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1,400
keybase/saltpack
armor62_encrypt.go
NewEncryptArmor62Stream
func NewEncryptArmor62Stream(version Version, ciphertext io.Writer, sender BoxSecretKey, receivers []BoxPublicKey, brand string) (plaintext io.WriteCloser, err error) { ephemeralKeyCreator, err := receiversToEphemeralKeyCreator(receivers) if err != nil { return nil, err } return newEncryptArmor62Stream(version, ciphertext, sender, receivers, ephemeralKeyCreator, defaultEncryptRNG{}, brand) }
go
func NewEncryptArmor62Stream(version Version, ciphertext io.Writer, sender BoxSecretKey, receivers []BoxPublicKey, brand string) (plaintext io.WriteCloser, err error) { ephemeralKeyCreator, err := receiversToEphemeralKeyCreator(receivers) if err != nil { return nil, err } return newEncryptArmor62Stream(version, ciphertext, sender, receivers, ephemeralKeyCreator, defaultEncryptRNG{}, brand) }
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// NewEncryptArmor62Stream creates a stream that consumes plaintext data. // It will write out encrypted data to the io.Writer passed in as ciphertext. // The encryption is from the specified sender, and is encrypted for the // given receivers. // // The "brand" is the optional "brand" string to put into the header // and footer. // // The ciphertext is additionally armored with the recommended armor62-style format. // // If initialization succeeds, returns an io.WriteCloser that accepts // plaintext data to be encrypted and a nil error. Otherwise, returns // nil and the initialization error.
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0ac0b421a59b0473d103cc659cb8508e946a5f13
https://github.com/keybase/saltpack/blob/0ac0b421a59b0473d103cc659cb8508e946a5f13/armor62_encrypt.go#L51-L57
1,401
keybase/saltpack
encoding/basex/stream.go
Close
func (e *encoder) Close() error { // If there's anything left in the buffer, flush it out if e.err == nil && e.nbuf > 0 { e.enc.Encode(e.out[:], e.buf[:e.nbuf]) _, e.err = e.w.Write(e.out[:e.enc.EncodedLen(e.nbuf)]) e.nbuf = 0 } return e.err }
go
func (e *encoder) Close() error { // If there's anything left in the buffer, flush it out if e.err == nil && e.nbuf > 0 { e.enc.Encode(e.out[:], e.buf[:e.nbuf]) _, e.err = e.w.Write(e.out[:e.enc.EncodedLen(e.nbuf)]) e.nbuf = 0 } return e.err }
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// Close flushes any pending output from the encoder. // It is an error to call Write after calling Close.
[ "Close", "flushes", "any", "pending", "output", "from", "the", "encoder", ".", "It", "is", "an", "error", "to", "call", "Write", "after", "calling", "Close", "." ]
0ac0b421a59b0473d103cc659cb8508e946a5f13
https://github.com/keybase/saltpack/blob/0ac0b421a59b0473d103cc659cb8508e946a5f13/encoding/basex/stream.go#L77-L85
1,402
keybase/saltpack
encoding/basex/stream.go
NewEncoder
func NewEncoder(enc *Encoding, w io.Writer) io.WriteCloser { return &encoder{ enc: enc, w: w, buf: make([]byte, enc.base256BlockLen), out: make([]byte, 128*enc.baseXBlockLen), } }
go
func NewEncoder(enc *Encoding, w io.Writer) io.WriteCloser { return &encoder{ enc: enc, w: w, buf: make([]byte, enc.base256BlockLen), out: make([]byte, 128*enc.baseXBlockLen), } }
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// NewEncoder returns a new baseX stream encoder. Data written to // the returned writer will be encoded using enc and then written to w. // Encodings operate in enc.baseXBlockLen-byte blocks; when finished // writing, the caller must Close the returned encoder to flush any // partially written blocks.
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0ac0b421a59b0473d103cc659cb8508e946a5f13
https://github.com/keybase/saltpack/blob/0ac0b421a59b0473d103cc659cb8508e946a5f13/encoding/basex/stream.go#L92-L99
1,403
keybase/saltpack
encoding/basex/stream.go
NewDecoder
func NewDecoder(enc *Encoding, r io.Reader) io.Reader { return newDecoder(enc, r) }
go
func NewDecoder(enc *Encoding, r io.Reader) io.Reader { return newDecoder(enc, r) }
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// NewDecoder constructs a new baseX stream decoder.
[ "NewDecoder", "constructs", "a", "new", "baseX", "stream", "decoder", "." ]
0ac0b421a59b0473d103cc659cb8508e946a5f13
https://github.com/keybase/saltpack/blob/0ac0b421a59b0473d103cc659cb8508e946a5f13/encoding/basex/stream.go#L234-L236
1,404
keybase/saltpack
signcrypt_open.go
NewSigncryptOpenStream
func NewSigncryptOpenStream(r io.Reader, keyring SigncryptKeyring, resolver SymmetricKeyResolver) (senderPub SigningPublicKey, plaintext io.Reader, err error) { sos := &signcryptOpenStream{ mps: newMsgpackStream(r), keyring: keyring, resolver: resolver, } err = sos.readHeader() if err != nil { return nil, nil, err } return sos.signingPublicKey, newChunkReader(sos), nil }
go
func NewSigncryptOpenStream(r io.Reader, keyring SigncryptKeyring, resolver SymmetricKeyResolver) (senderPub SigningPublicKey, plaintext io.Reader, err error) { sos := &signcryptOpenStream{ mps: newMsgpackStream(r), keyring: keyring, resolver: resolver, } err = sos.readHeader() if err != nil { return nil, nil, err } return sos.signingPublicKey, newChunkReader(sos), nil }
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// NewSigncryptOpenStream starts a streaming verification and decryption. It // synchronously ingests and parses the given Reader's encryption header. It // consults the passed keyring for the decryption keys needed to decrypt the // message. On failure, it returns a null Reader and an error message. On // success, it returns a Reader with the plaintext stream, and a nil error. In // either case, it will return a `MessageKeyInfo` which tells about who the // sender was, and which of the Receiver's keys was used to decrypt the // message. // // Note that the caller has an opportunity not to ingest the plaintext if he // doesn't trust the sender revealed in the MessageKeyInfo. //
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0ac0b421a59b0473d103cc659cb8508e946a5f13
https://github.com/keybase/saltpack/blob/0ac0b421a59b0473d103cc659cb8508e946a5f13/signcrypt_open.go#L237-L250
1,405
keybase/saltpack
signcrypt_open.go
SigncryptOpen
func SigncryptOpen(ciphertext []byte, keyring SigncryptKeyring, resolver SymmetricKeyResolver) (senderPub SigningPublicKey, plaintext []byte, err error) { buf := bytes.NewBuffer(ciphertext) senderPub, plaintextStream, err := NewSigncryptOpenStream(buf, keyring, resolver) if err != nil { return senderPub, nil, err } ret, err := ioutil.ReadAll(plaintextStream) if err != nil { return nil, nil, err } return senderPub, ret, err }
go
func SigncryptOpen(ciphertext []byte, keyring SigncryptKeyring, resolver SymmetricKeyResolver) (senderPub SigningPublicKey, plaintext []byte, err error) { buf := bytes.NewBuffer(ciphertext) senderPub, plaintextStream, err := NewSigncryptOpenStream(buf, keyring, resolver) if err != nil { return senderPub, nil, err } ret, err := ioutil.ReadAll(plaintextStream) if err != nil { return nil, nil, err } return senderPub, ret, err }
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// SigncryptOpen simply opens a ciphertext given the set of keys in the specified keyring. // It returns a plaintext on sucess, and an error on failure. It returns the header's // MessageKeyInfo in either case.
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0ac0b421a59b0473d103cc659cb8508e946a5f13
https://github.com/keybase/saltpack/blob/0ac0b421a59b0473d103cc659cb8508e946a5f13/signcrypt_open.go#L260-L271
1,406
keybase/saltpack
armor62_signcrypt.go
NewSigncryptArmor62SealStream
func NewSigncryptArmor62SealStream(ciphertext io.Writer, ephemeralKeyCreator EphemeralKeyCreator, sender SigningSecretKey, receiverBoxKeys []BoxPublicKey, receiverSymmetricKeys []ReceiverSymmetricKey, brand string) (plaintext io.WriteCloser, err error) { return newSigncryptArmor62SealStream(ciphertext, sender, receiverBoxKeys, receiverSymmetricKeys, ephemeralKeyCreator, defaultSigncryptRNG{}, brand) }
go
func NewSigncryptArmor62SealStream(ciphertext io.Writer, ephemeralKeyCreator EphemeralKeyCreator, sender SigningSecretKey, receiverBoxKeys []BoxPublicKey, receiverSymmetricKeys []ReceiverSymmetricKey, brand string) (plaintext io.WriteCloser, err error) { return newSigncryptArmor62SealStream(ciphertext, sender, receiverBoxKeys, receiverSymmetricKeys, ephemeralKeyCreator, defaultSigncryptRNG{}, brand) }
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// NewSigncryptArmor62SealStream creates a stream that consumes plaintext data. // It will write out signcrypted data to the io.Writer passed in as ciphertext. // The signcryption is from the specified sender, and is signcrypted for the // given receivers. // // The "brand" is the optional "brand" string to put into the header // and footer. // // The ciphertext is additionally armored with the recommended armor62-style format. // // If initialization succeeds, returns an io.WriteCloser that accepts // plaintext data to be signcrypted and a nil error. Otherwise, // returns nil and the initialization error. // // ephemeralKeyCreator should be the last argument; it's the 2nd one // to preserve the public API.
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0ac0b421a59b0473d103cc659cb8508e946a5f13
https://github.com/keybase/saltpack/blob/0ac0b421a59b0473d103cc659cb8508e946a5f13/armor62_signcrypt.go#L47-L49
1,407
keybase/saltpack
armor62_signcrypt.go
NewDearmor62SigncryptOpenStream
func NewDearmor62SigncryptOpenStream(ciphertext io.Reader, keyring SigncryptKeyring, resolver SymmetricKeyResolver) (SigningPublicKey, io.Reader, string, error) { dearmored, frame, err := NewArmor62DecoderStream(ciphertext, armor62SigncryptionHeaderChecker, armor62SigncryptionFrameChecker) if err != nil { return nil, nil, "", err } brand, err := frame.GetBrand() if err != nil { return nil, nil, "", err } mki, r, err := NewSigncryptOpenStream(dearmored, keyring, resolver) if err != nil { return mki, nil, "", err } return mki, r, brand, nil }
go
func NewDearmor62SigncryptOpenStream(ciphertext io.Reader, keyring SigncryptKeyring, resolver SymmetricKeyResolver) (SigningPublicKey, io.Reader, string, error) { dearmored, frame, err := NewArmor62DecoderStream(ciphertext, armor62SigncryptionHeaderChecker, armor62SigncryptionFrameChecker) if err != nil { return nil, nil, "", err } brand, err := frame.GetBrand() if err != nil { return nil, nil, "", err } mki, r, err := NewSigncryptOpenStream(dearmored, keyring, resolver) if err != nil { return mki, nil, "", err } return mki, r, brand, nil }
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// NewDearmor62SigncryptOpenStream makes a new stream that dearmors and decrypts the given // Reader stream. Pass it a keyring so that it can lookup private and public keys // as necessary. Returns the MessageKeyInfo recovered during header // processing, an io.Reader stream from which you can read the plaintext, the armor branding, and // maybe an error if there was a failure.
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0ac0b421a59b0473d103cc659cb8508e946a5f13
https://github.com/keybase/saltpack/blob/0ac0b421a59b0473d103cc659cb8508e946a5f13/armor62_signcrypt.go#L80-L94
1,408
keybase/saltpack
decrypt.go
NewDecryptStream
func NewDecryptStream(versionValidator VersionValidator, r io.Reader, keyring Keyring) (mki *MessageKeyInfo, plaintext io.Reader, err error) { ds := &decryptStream{ versionValidator: versionValidator, ring: keyring, mps: newMsgpackStream(r), } err = ds.readHeader(r) if err != nil { return &ds.mki, nil, err } return &ds.mki, newChunkReader(ds), nil }
go
func NewDecryptStream(versionValidator VersionValidator, r io.Reader, keyring Keyring) (mki *MessageKeyInfo, plaintext io.Reader, err error) { ds := &decryptStream{ versionValidator: versionValidator, ring: keyring, mps: newMsgpackStream(r), } err = ds.readHeader(r) if err != nil { return &ds.mki, nil, err } return &ds.mki, newChunkReader(ds), nil }
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// NewDecryptStream starts a streaming decryption. It synchronously ingests // and parses the given Reader's encryption header. It consults the passed // keyring for the decryption keys needed to decrypt the message. On failure, // it returns a null Reader and an error message. On success, it returns a // Reader with the plaintext stream, and a nil error. In either case, it will // return a `MessageKeyInfo` which tells about who the sender was, and which of the // Receiver's keys was used to decrypt the message. // // Note that the caller has an opportunity not to ingest the plaintext if he // doesn't trust the sender revealed in the MessageKeyInfo. //
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0ac0b421a59b0473d103cc659cb8508e946a5f13
https://github.com/keybase/saltpack/blob/0ac0b421a59b0473d103cc659cb8508e946a5f13/decrypt.go#L302-L315
1,409
keybase/saltpack
decrypt.go
Open
func Open(versionValidator VersionValidator, ciphertext []byte, keyring Keyring) (i *MessageKeyInfo, plaintext []byte, err error) { buf := bytes.NewBuffer(ciphertext) mki, plaintextStream, err := NewDecryptStream(versionValidator, buf, keyring) if err != nil { return mki, nil, err } ret, err := ioutil.ReadAll(plaintextStream) if err != nil { return nil, nil, err } return mki, ret, err }
go
func Open(versionValidator VersionValidator, ciphertext []byte, keyring Keyring) (i *MessageKeyInfo, plaintext []byte, err error) { buf := bytes.NewBuffer(ciphertext) mki, plaintextStream, err := NewDecryptStream(versionValidator, buf, keyring) if err != nil { return mki, nil, err } ret, err := ioutil.ReadAll(plaintextStream) if err != nil { return nil, nil, err } return mki, ret, err }
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// Open simply opens a ciphertext given the set of keys in the specified keyring. // It returns a plaintext on success, and an error on failure. It returns the header's // MessageKeyInfo in either case.
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0ac0b421a59b0473d103cc659cb8508e946a5f13
https://github.com/keybase/saltpack/blob/0ac0b421a59b0473d103cc659cb8508e946a5f13/decrypt.go#L320-L331
1,410
keybase/saltpack
armor62.go
Armor62Seal
func Armor62Seal(plaintext []byte, typ MessageType, brand string) (string, error) { hdr := makeFrame(headerMarker, typ, brand) ftr := makeFrame(footerMarker, typ, brand) return armorSeal(plaintext, hdr, ftr, Armor62Params) }
go
func Armor62Seal(plaintext []byte, typ MessageType, brand string) (string, error) { hdr := makeFrame(headerMarker, typ, brand) ftr := makeFrame(footerMarker, typ, brand) return armorSeal(plaintext, hdr, ftr, Armor62Params) }
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// Armor62Seal takes an input plaintext and returns and output armor encoding // as a string, or an error if a problem was encountered. Also provide a header // and a footer to frame the message. Uses Base62 encoding scheme
[ "Armor62Seal", "takes", "an", "input", "plaintext", "and", "returns", "and", "output", "armor", "encoding", "as", "a", "string", "or", "an", "error", "if", "a", "problem", "was", "encountered", ".", "Also", "provide", "a", "header", "and", "a", "footer", "to", "frame", "the", "message", ".", "Uses", "Base62", "encoding", "scheme" ]
0ac0b421a59b0473d103cc659cb8508e946a5f13
https://github.com/keybase/saltpack/blob/0ac0b421a59b0473d103cc659cb8508e946a5f13/armor62.go#L39-L43
1,411
keybase/saltpack
key.go
PublicKeyEqual
func PublicKeyEqual(k1, k2 BasePublicKey) bool { return hmac.Equal(k1.ToKID(), k2.ToKID()) }
go
func PublicKeyEqual(k1, k2 BasePublicKey) bool { return hmac.Equal(k1.ToKID(), k2.ToKID()) }
[ "func", "PublicKeyEqual", "(", "k1", ",", "k2", "BasePublicKey", ")", "bool", "{", "return", "hmac", ".", "Equal", "(", "k1", ".", "ToKID", "(", ")", ",", "k2", ".", "ToKID", "(", ")", ")", "\n", "}" ]
// PublicKeyEqual returns true if the two public keys are equal.
[ "PublicKeyEqual", "returns", "true", "if", "the", "two", "public", "keys", "are", "equal", "." ]
0ac0b421a59b0473d103cc659cb8508e946a5f13
https://github.com/keybase/saltpack/blob/0ac0b421a59b0473d103cc659cb8508e946a5f13/key.go#L152-L154
1,412
keybase/saltpack
common.go
assertEndOfStream
func assertEndOfStream(stream *msgpackStream) error { var i interface{} _, err := stream.Read(&i) if err == nil { err = ErrTrailingGarbage } return err }
go
func assertEndOfStream(stream *msgpackStream) error { var i interface{} _, err := stream.Read(&i) if err == nil { err = ErrTrailingGarbage } return err }
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// assertEndOfStream reads from stream, and converts a nil error into // ErrTrailingGarbage. Thus, it always returns a non-nil error. This // should be used in a context where io.EOF is expected, and anything // else is an error.
[ "assertEndOfStream", "reads", "from", "stream", "and", "converts", "a", "nil", "error", "into", "ErrTrailingGarbage", ".", "Thus", "it", "always", "returns", "a", "non", "-", "nil", "error", ".", "This", "should", "be", "used", "in", "a", "context", "where", "io", ".", "EOF", "is", "expected", "and", "anything", "else", "is", "an", "error", "." ]
0ac0b421a59b0473d103cc659cb8508e946a5f13
https://github.com/keybase/saltpack/blob/0ac0b421a59b0473d103cc659cb8508e946a5f13/common.go#L43-L50
1,413
keybase/saltpack
common.go
CheckKnownMajorVersion
func CheckKnownMajorVersion(version Version) error { for _, knownVersion := range KnownVersions() { if version.Major == knownVersion.Major { return nil } } return ErrBadVersion{version} }
go
func CheckKnownMajorVersion(version Version) error { for _, knownVersion := range KnownVersions() { if version.Major == knownVersion.Major { return nil } } return ErrBadVersion{version} }
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// CheckKnownMajorVersion returns nil if the given version has a known // major version. You probably want to use this with NewDecryptStream, // unless you want to restrict to specific versions only.
[ "CheckKnownMajorVersion", "returns", "nil", "if", "the", "given", "version", "has", "a", "known", "major", "version", ".", "You", "probably", "want", "to", "use", "this", "with", "NewDecryptStream", "unless", "you", "want", "to", "restrict", "to", "specific", "versions", "only", "." ]
0ac0b421a59b0473d103cc659cb8508e946a5f13
https://github.com/keybase/saltpack/blob/0ac0b421a59b0473d103cc659cb8508e946a5f13/common.go#L215-L222
1,414
keybase/saltpack
common.go
SingleVersionValidator
func SingleVersionValidator(desiredVersion Version) VersionValidator { return func(version Version) error { if version == desiredVersion { return nil } return ErrBadVersion{version} } }
go
func SingleVersionValidator(desiredVersion Version) VersionValidator { return func(version Version) error { if version == desiredVersion { return nil } return ErrBadVersion{version} } }
[ "func", "SingleVersionValidator", "(", "desiredVersion", "Version", ")", "VersionValidator", "{", "return", "func", "(", "version", "Version", ")", "error", "{", "if", "version", "==", "desiredVersion", "{", "return", "nil", "\n", "}", "\n\n", "return", "ErrBadVersion", "{", "version", "}", "\n", "}", "\n", "}" ]
// SingleVersionValidator returns a VersionValidator that returns nil // if its given version is equal to desiredVersion.
[ "SingleVersionValidator", "returns", "a", "VersionValidator", "that", "returns", "nil", "if", "its", "given", "version", "is", "equal", "to", "desiredVersion", "." ]
0ac0b421a59b0473d103cc659cb8508e946a5f13
https://github.com/keybase/saltpack/blob/0ac0b421a59b0473d103cc659cb8508e946a5f13/common.go#L226-L234
1,415
keybase/saltpack
common.go
assertEncodedChunkState
func assertEncodedChunkState(version Version, encodedChunk []byte, encodingOverhead int, blockIndex uint64, isFinal bool) { if len(encodedChunk) < encodingOverhead { panic("encodedChunk is too small") } err := checkChunkState(version, len(encodedChunk)-encodingOverhead, blockIndex, isFinal) if err != nil { panic(err) } }
go
func assertEncodedChunkState(version Version, encodedChunk []byte, encodingOverhead int, blockIndex uint64, isFinal bool) { if len(encodedChunk) < encodingOverhead { panic("encodedChunk is too small") } err := checkChunkState(version, len(encodedChunk)-encodingOverhead, blockIndex, isFinal) if err != nil { panic(err) } }
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// assertEncodedChunkState sanity-checks some encoded chunk parameters.
[ "assertEncodedChunkState", "sanity", "-", "checks", "some", "encoded", "chunk", "parameters", "." ]
0ac0b421a59b0473d103cc659cb8508e946a5f13
https://github.com/keybase/saltpack/blob/0ac0b421a59b0473d103cc659cb8508e946a5f13/common.go#L260-L269
1,416
keybase/saltpack
common.go
checkDecodedChunkState
func checkDecodedChunkState(version Version, chunk []byte, seqno packetSeqno, isFinal bool) error { // The first decoded block has seqno 1, since the header bytes // are decoded first. return checkChunkState(version, len(chunk), uint64(seqno-1), isFinal) }
go
func checkDecodedChunkState(version Version, chunk []byte, seqno packetSeqno, isFinal bool) error { // The first decoded block has seqno 1, since the header bytes // are decoded first. return checkChunkState(version, len(chunk), uint64(seqno-1), isFinal) }
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// checkDecodedChunkState sanity-checks some decoded chunk // parameters. A returned error means there's something wrong with the // decoded stream.
[ "checkDecodedChunkState", "sanity", "-", "checks", "some", "decoded", "chunk", "parameters", ".", "A", "returned", "error", "means", "there", "s", "something", "wrong", "with", "the", "decoded", "stream", "." ]
0ac0b421a59b0473d103cc659cb8508e946a5f13
https://github.com/keybase/saltpack/blob/0ac0b421a59b0473d103cc659cb8508e946a5f13/common.go#L274-L278
1,417
keybase/saltpack
encoding/basex/encoding.go
IsValidByte
func (enc *Encoding) IsValidByte(b byte) bool { return enc.decodeMap[b] != nil || enc.skipMap[b] }
go
func (enc *Encoding) IsValidByte(b byte) bool { return enc.decodeMap[b] != nil || enc.skipMap[b] }
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// IsValidByte returns true if the given byte is valid in this // decoding. Can be either from the main alphabet or the skip // alphabet to be considered valid.
[ "IsValidByte", "returns", "true", "if", "the", "given", "byte", "is", "valid", "in", "this", "decoding", ".", "Can", "be", "either", "from", "the", "main", "alphabet", "or", "the", "skip", "alphabet", "to", "be", "considered", "valid", "." ]
0ac0b421a59b0473d103cc659cb8508e946a5f13
https://github.com/keybase/saltpack/blob/0ac0b421a59b0473d103cc659cb8508e946a5f13/encoding/basex/encoding.go#L118-L120
1,418
keybase/saltpack
encoding/basex/encoding.go
encodeBlock
func (enc *Encoding) encodeBlock(dst, src []byte) { // Interpret the block as a big-endian number (Go's default) num := new(big.Int).SetBytes(src) rem := new(big.Int) quo := new(big.Int) encodedLen := enc.EncodedLen(len(src)) p := encodedLen - 1 for num.Sign() != 0 { num, rem = quo.QuoRem(num, enc.baseBig, rem) dst[p] = enc.encode[rem.Uint64()] p-- } // Pad the remainder of the buffer with 0s for p >= 0 { dst[p] = enc.encode[0] p-- } }
go
func (enc *Encoding) encodeBlock(dst, src []byte) { // Interpret the block as a big-endian number (Go's default) num := new(big.Int).SetBytes(src) rem := new(big.Int) quo := new(big.Int) encodedLen := enc.EncodedLen(len(src)) p := encodedLen - 1 for num.Sign() != 0 { num, rem = quo.QuoRem(num, enc.baseBig, rem) dst[p] = enc.encode[rem.Uint64()] p-- } // Pad the remainder of the buffer with 0s for p >= 0 { dst[p] = enc.encode[0] p-- } }
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// encodeBlock fills the dst buffer with the encoding of src. // It is assumed the buffers are appropriately sized, and no // bounds checks are performed. In particular, the dst buffer will // be zero-padded from right to left in all remaining bytes.
[ "encodeBlock", "fills", "the", "dst", "buffer", "with", "the", "encoding", "of", "src", ".", "It", "is", "assumed", "the", "buffers", "are", "appropriately", "sized", "and", "no", "bounds", "checks", "are", "performed", ".", "In", "particular", "the", "dst", "buffer", "will", "be", "zero", "-", "padded", "from", "right", "to", "left", "in", "all", "remaining", "bytes", "." ]
0ac0b421a59b0473d103cc659cb8508e946a5f13
https://github.com/keybase/saltpack/blob/0ac0b421a59b0473d103cc659cb8508e946a5f13/encoding/basex/encoding.go#L126-L148
1,419
keybase/saltpack
encoding/basex/encoding.go
EncodedLen
func (enc *Encoding) EncodedLen(n int) int { // Fast path! if n == enc.base256BlockLen { return enc.baseXBlockLen } nblocks := n / enc.base256BlockLen out := nblocks * enc.baseXBlockLen rem := n % enc.base256BlockLen if rem > 0 { out += int(math.Ceil(float64(rem*8) / enc.logOfBase)) } return out }
go
func (enc *Encoding) EncodedLen(n int) int { // Fast path! if n == enc.base256BlockLen { return enc.baseXBlockLen } nblocks := n / enc.base256BlockLen out := nblocks * enc.baseXBlockLen rem := n % enc.base256BlockLen if rem > 0 { out += int(math.Ceil(float64(rem*8) / enc.logOfBase)) } return out }
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// EncodedLen returns the length in bytes of the baseX encoding // of an input buffer of length n
[ "EncodedLen", "returns", "the", "length", "in", "bytes", "of", "the", "baseX", "encoding", "of", "an", "input", "buffer", "of", "length", "n" ]
0ac0b421a59b0473d103cc659cb8508e946a5f13
https://github.com/keybase/saltpack/blob/0ac0b421a59b0473d103cc659cb8508e946a5f13/encoding/basex/encoding.go#L229-L243
1,420
keybase/saltpack
encoding/basex/encoding.go
DecodedLen
func (enc *Encoding) DecodedLen(n int) int { // Fast path! if n == enc.baseXBlockLen { return enc.base256BlockLen } nblocks := n / enc.baseXBlockLen out := nblocks * enc.base256BlockLen rem := n % enc.baseXBlockLen if rem > 0 { out += int(math.Floor(float64(rem) * enc.logOfBase / float64(8))) } return out }
go
func (enc *Encoding) DecodedLen(n int) int { // Fast path! if n == enc.baseXBlockLen { return enc.base256BlockLen } nblocks := n / enc.baseXBlockLen out := nblocks * enc.base256BlockLen rem := n % enc.baseXBlockLen if rem > 0 { out += int(math.Floor(float64(rem) * enc.logOfBase / float64(8))) } return out }
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// DecodedLen returns the length in bytes of the baseX decoding // of an input buffer of length n
[ "DecodedLen", "returns", "the", "length", "in", "bytes", "of", "the", "baseX", "decoding", "of", "an", "input", "buffer", "of", "length", "n" ]
0ac0b421a59b0473d103cc659cb8508e946a5f13
https://github.com/keybase/saltpack/blob/0ac0b421a59b0473d103cc659cb8508e946a5f13/encoding/basex/encoding.go#L247-L261
1,421
keybase/saltpack
encoding/basex/encoding.go
IsValidEncodingLength
func (enc *Encoding) IsValidEncodingLength(n int) bool { // Fast path! if n == enc.baseXBlockLen { return true } f := func(n int) int { return int(math.Floor(float64(n) * enc.logOfBase / float64(8))) } if f(n) == f(n-1) { return false } return true }
go
func (enc *Encoding) IsValidEncodingLength(n int) bool { // Fast path! if n == enc.baseXBlockLen { return true } f := func(n int) int { return int(math.Floor(float64(n) * enc.logOfBase / float64(8))) } if f(n) == f(n-1) { return false } return true }
[ "func", "(", "enc", "*", "Encoding", ")", "IsValidEncodingLength", "(", "n", "int", ")", "bool", "{", "// Fast path!", "if", "n", "==", "enc", ".", "baseXBlockLen", "{", "return", "true", "\n", "}", "\n", "f", ":=", "func", "(", "n", "int", ")", "int", "{", "return", "int", "(", "math", ".", "Floor", "(", "float64", "(", "n", ")", "*", "enc", ".", "logOfBase", "/", "float64", "(", "8", ")", ")", ")", "\n", "}", "\n", "if", "f", "(", "n", ")", "==", "f", "(", "n", "-", "1", ")", "{", "return", "false", "\n", "}", "\n", "return", "true", "\n", "}" ]
// IsValidEncodingLength returns true if this block has a valid encoding length. // An encoding length is invalid if a short encoding would have sufficed.
[ "IsValidEncodingLength", "returns", "true", "if", "this", "block", "has", "a", "valid", "encoding", "length", ".", "An", "encoding", "length", "is", "invalid", "if", "a", "short", "encoding", "would", "have", "sufficed", "." ]
0ac0b421a59b0473d103cc659cb8508e946a5f13
https://github.com/keybase/saltpack/blob/0ac0b421a59b0473d103cc659cb8508e946a5f13/encoding/basex/encoding.go#L265-L277
1,422
keybase/saltpack
sign.go
NewSignStream
func NewSignStream(version Version, signedtext io.Writer, signer SigningSecretKey) (stream io.WriteCloser, err error) { return newSignAttachedStream(version, signedtext, signer) }
go
func NewSignStream(version Version, signedtext io.Writer, signer SigningSecretKey) (stream io.WriteCloser, err error) { return newSignAttachedStream(version, signedtext, signer) }
[ "func", "NewSignStream", "(", "version", "Version", ",", "signedtext", "io", ".", "Writer", ",", "signer", "SigningSecretKey", ")", "(", "stream", "io", ".", "WriteCloser", ",", "err", "error", ")", "{", "return", "newSignAttachedStream", "(", "version", ",", "signedtext", ",", "signer", ")", "\n", "}" ]
// NewSignStream creates a stream that consumes plaintext data. // It will write out signed data to the io.Writer passed in as // signedtext. NewSignStream only generates attached signatures.
[ "NewSignStream", "creates", "a", "stream", "that", "consumes", "plaintext", "data", ".", "It", "will", "write", "out", "signed", "data", "to", "the", "io", ".", "Writer", "passed", "in", "as", "signedtext", ".", "NewSignStream", "only", "generates", "attached", "signatures", "." ]
0ac0b421a59b0473d103cc659cb8508e946a5f13
https://github.com/keybase/saltpack/blob/0ac0b421a59b0473d103cc659cb8508e946a5f13/sign.go#L14-L16
1,423
keybase/saltpack
sign.go
Sign
func Sign(version Version, plaintext []byte, signer SigningSecretKey) ([]byte, error) { buf, err := signToStream(version, plaintext, signer, NewSignStream) if err != nil { return nil, err } return buf.Bytes(), nil }
go
func Sign(version Version, plaintext []byte, signer SigningSecretKey) ([]byte, error) { buf, err := signToStream(version, plaintext, signer, NewSignStream) if err != nil { return nil, err } return buf.Bytes(), nil }
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// Sign creates an attached signature message of plaintext from signer.
[ "Sign", "creates", "an", "attached", "signature", "message", "of", "plaintext", "from", "signer", "." ]
0ac0b421a59b0473d103cc659cb8508e946a5f13
https://github.com/keybase/saltpack/blob/0ac0b421a59b0473d103cc659cb8508e946a5f13/sign.go#L19-L25
1,424
keybase/saltpack
sign.go
NewSignDetachedStream
func NewSignDetachedStream(version Version, detachedsig io.Writer, signer SigningSecretKey) (stream io.WriteCloser, err error) { return newSignDetachedStream(version, detachedsig, signer) }
go
func NewSignDetachedStream(version Version, detachedsig io.Writer, signer SigningSecretKey) (stream io.WriteCloser, err error) { return newSignDetachedStream(version, detachedsig, signer) }
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// NewSignDetachedStream creates a stream that consumes plaintext // data. It will write out a detached signature to the io.Writer // passed in as detachedsig.
[ "NewSignDetachedStream", "creates", "a", "stream", "that", "consumes", "plaintext", "data", ".", "It", "will", "write", "out", "a", "detached", "signature", "to", "the", "io", ".", "Writer", "passed", "in", "as", "detachedsig", "." ]
0ac0b421a59b0473d103cc659cb8508e946a5f13
https://github.com/keybase/saltpack/blob/0ac0b421a59b0473d103cc659cb8508e946a5f13/sign.go#L30-L32
1,425
keybase/saltpack
sign.go
SignDetached
func SignDetached(version Version, plaintext []byte, signer SigningSecretKey) ([]byte, error) { buf, err := signToStream(version, plaintext, signer, NewSignDetachedStream) if err != nil { return nil, err } return buf.Bytes(), nil }
go
func SignDetached(version Version, plaintext []byte, signer SigningSecretKey) ([]byte, error) { buf, err := signToStream(version, plaintext, signer, NewSignDetachedStream) if err != nil { return nil, err } return buf.Bytes(), nil }
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// SignDetached returns a detached signature of plaintext from // signer.
[ "SignDetached", "returns", "a", "detached", "signature", "of", "plaintext", "from", "signer", "." ]
0ac0b421a59b0473d103cc659cb8508e946a5f13
https://github.com/keybase/saltpack/blob/0ac0b421a59b0473d103cc659cb8508e946a5f13/sign.go#L36-L42
1,426
keybase/saltpack
sign.go
signToStream
func signToStream(version Version, plaintext []byte, signer SigningSecretKey, streamer func(Version, io.Writer, SigningSecretKey) (io.WriteCloser, error)) (*bytes.Buffer, error) { var buf bytes.Buffer s, err := streamer(version, &buf, signer) if err != nil { return nil, err } if _, err := s.Write(plaintext); err != nil { return nil, err } if err := s.Close(); err != nil { return nil, err } return &buf, nil }
go
func signToStream(version Version, plaintext []byte, signer SigningSecretKey, streamer func(Version, io.Writer, SigningSecretKey) (io.WriteCloser, error)) (*bytes.Buffer, error) { var buf bytes.Buffer s, err := streamer(version, &buf, signer) if err != nil { return nil, err } if _, err := s.Write(plaintext); err != nil { return nil, err } if err := s.Close(); err != nil { return nil, err } return &buf, nil }
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// signToStream creates a signature for plaintext with signer, // using streamer to generate a signing stream.
[ "signToStream", "creates", "a", "signature", "for", "plaintext", "with", "signer", "using", "streamer", "to", "generate", "a", "signing", "stream", "." ]
0ac0b421a59b0473d103cc659cb8508e946a5f13
https://github.com/keybase/saltpack/blob/0ac0b421a59b0473d103cc659cb8508e946a5f13/sign.go#L46-L60
1,427
keybase/saltpack
frame.go
MakeArmorHeader
func MakeArmorHeader(typ MessageType, brand string) string { return makeFrame(headerMarker, typ, brand) }
go
func MakeArmorHeader(typ MessageType, brand string) string { return makeFrame(headerMarker, typ, brand) }
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// MakeArmorHeader makes the armor header for the message type for the given "brand"
[ "MakeArmorHeader", "makes", "the", "armor", "header", "for", "the", "message", "type", "for", "the", "given", "brand" ]
0ac0b421a59b0473d103cc659cb8508e946a5f13
https://github.com/keybase/saltpack/blob/0ac0b421a59b0473d103cc659cb8508e946a5f13/frame.go#L48-L50
1,428
keybase/saltpack
frame.go
MakeArmorFooter
func MakeArmorFooter(typ MessageType, brand string) string { return makeFrame(footerMarker, typ, brand) }
go
func MakeArmorFooter(typ MessageType, brand string) string { return makeFrame(footerMarker, typ, brand) }
[ "func", "MakeArmorFooter", "(", "typ", "MessageType", ",", "brand", "string", ")", "string", "{", "return", "makeFrame", "(", "footerMarker", ",", "typ", ",", "brand", ")", "\n", "}" ]
// MakeArmorFooter makes the armor footer for the message type for the given "brand"
[ "MakeArmorFooter", "makes", "the", "armor", "footer", "for", "the", "message", "type", "for", "the", "given", "brand" ]
0ac0b421a59b0473d103cc659cb8508e946a5f13
https://github.com/keybase/saltpack/blob/0ac0b421a59b0473d103cc659cb8508e946a5f13/frame.go#L53-L55
1,429
keybase/saltpack
encrypt.go
receiversToEphemeralKeyCreator
func receiversToEphemeralKeyCreator(receivers []BoxPublicKey) (EphemeralKeyCreator, error) { if len(receivers) == 0 { return nil, ErrBadReceivers } return receivers[0], nil }
go
func receiversToEphemeralKeyCreator(receivers []BoxPublicKey) (EphemeralKeyCreator, error) { if len(receivers) == 0 { return nil, ErrBadReceivers } return receivers[0], nil }
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// receiversToEphemeralKeyCreator retrieves the EphemeralKeyCreator // from the first receiver; this is to preserve API behavior.
[ "receiversToEphemeralKeyCreator", "retrieves", "the", "EphemeralKeyCreator", "from", "the", "first", "receiver", ";", "this", "is", "to", "preserve", "API", "behavior", "." ]
0ac0b421a59b0473d103cc659cb8508e946a5f13
https://github.com/keybase/saltpack/blob/0ac0b421a59b0473d103cc659cb8508e946a5f13/encrypt.go#L360-L365
1,430
keybase/saltpack
encrypt.go
NewEncryptStream
func NewEncryptStream(version Version, ciphertext io.Writer, sender BoxSecretKey, receivers []BoxPublicKey) (io.WriteCloser, error) { ephemeralKeyCreator, err := receiversToEphemeralKeyCreator(receivers) if err != nil { return nil, err } return newEncryptStream(version, ciphertext, sender, receivers, ephemeralKeyCreator, defaultEncryptRNG{}) }
go
func NewEncryptStream(version Version, ciphertext io.Writer, sender BoxSecretKey, receivers []BoxPublicKey) (io.WriteCloser, error) { ephemeralKeyCreator, err := receiversToEphemeralKeyCreator(receivers) if err != nil { return nil, err } return newEncryptStream(version, ciphertext, sender, receivers, ephemeralKeyCreator, defaultEncryptRNG{}) }
[ "func", "NewEncryptStream", "(", "version", "Version", ",", "ciphertext", "io", ".", "Writer", ",", "sender", "BoxSecretKey", ",", "receivers", "[", "]", "BoxPublicKey", ")", "(", "io", ".", "WriteCloser", ",", "error", ")", "{", "ephemeralKeyCreator", ",", "err", ":=", "receiversToEphemeralKeyCreator", "(", "receivers", ")", "\n", "if", "err", "!=", "nil", "{", "return", "nil", ",", "err", "\n", "}", "\n", "return", "newEncryptStream", "(", "version", ",", "ciphertext", ",", "sender", ",", "receivers", ",", "ephemeralKeyCreator", ",", "defaultEncryptRNG", "{", "}", ")", "\n", "}" ]
// NewEncryptStream creates a stream that consumes plaintext data. // It will write out encrypted data to the io.Writer passed in as ciphertext. // The encryption is from the specified sender, and is encrypted for the // given receivers. // // If initialization succeeds, returns an io.WriteCloser that accepts // plaintext data to be encrypted and a nil error. Otherwise, returns // nil and the initialization error.
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0ac0b421a59b0473d103cc659cb8508e946a5f13
https://github.com/keybase/saltpack/blob/0ac0b421a59b0473d103cc659cb8508e946a5f13/encrypt.go#L375-L381
1,431
keybase/saltpack
encrypt.go
Seal
func Seal(version Version, plaintext []byte, sender BoxSecretKey, receivers []BoxPublicKey) (out []byte, err error) { ephemeralKeyCreator, err := receiversToEphemeralKeyCreator(receivers) if err != nil { return nil, err } return seal(version, plaintext, sender, receivers, ephemeralKeyCreator, defaultEncryptRNG{}) }
go
func Seal(version Version, plaintext []byte, sender BoxSecretKey, receivers []BoxPublicKey) (out []byte, err error) { ephemeralKeyCreator, err := receiversToEphemeralKeyCreator(receivers) if err != nil { return nil, err } return seal(version, plaintext, sender, receivers, ephemeralKeyCreator, defaultEncryptRNG{}) }
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// Seal a plaintext from the given sender, for the specified receiver groups. // Returns a ciphertext, or an error if something bad happened.
[ "Seal", "a", "plaintext", "from", "the", "given", "sender", "for", "the", "specified", "receiver", "groups", ".", "Returns", "a", "ciphertext", "or", "an", "error", "if", "something", "bad", "happened", "." ]
0ac0b421a59b0473d103cc659cb8508e946a5f13
https://github.com/keybase/saltpack/blob/0ac0b421a59b0473d103cc659cb8508e946a5f13/encrypt.go#L400-L406
1,432
keybase/saltpack
nonce.go
nonceForChunkSecretBox
func nonceForChunkSecretBox(i encryptionBlockNumber) Nonce { var n Nonce copyEqualSizeStr(n[0:16], "saltpack_ploadsb") binary.BigEndian.PutUint64(n[16:], uint64(i)) return n }
go
func nonceForChunkSecretBox(i encryptionBlockNumber) Nonce { var n Nonce copyEqualSizeStr(n[0:16], "saltpack_ploadsb") binary.BigEndian.PutUint64(n[16:], uint64(i)) return n }
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// Construct the nonce for the ith block of encryption payload.
[ "Construct", "the", "nonce", "for", "the", "ith", "block", "of", "encryption", "payload", "." ]
0ac0b421a59b0473d103cc659cb8508e946a5f13
https://github.com/keybase/saltpack/blob/0ac0b421a59b0473d103cc659cb8508e946a5f13/nonce.go#L63-L68
1,433
keybase/saltpack
nonce.go
nonceForChunkSigncryption
func nonceForChunkSigncryption(headerHash headerHash, isFinal bool, i encryptionBlockNumber) Nonce { var n Nonce off := len(n) - 8 copyEqualSize(n[:off], headerHash[:off]) // Set LSB of last byte based on isFinal. n[off-1] &^= 1 if isFinal { n[off-1] |= 1 } binary.BigEndian.PutUint64(n[off:], uint64(i)) return n }
go
func nonceForChunkSigncryption(headerHash headerHash, isFinal bool, i encryptionBlockNumber) Nonce { var n Nonce off := len(n) - 8 copyEqualSize(n[:off], headerHash[:off]) // Set LSB of last byte based on isFinal. n[off-1] &^= 1 if isFinal { n[off-1] |= 1 } binary.BigEndian.PutUint64(n[off:], uint64(i)) return n }
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// Construct the nonce for the ith block of signcryption // payload.
[ "Construct", "the", "nonce", "for", "the", "ith", "block", "of", "signcryption", "payload", "." ]
0ac0b421a59b0473d103cc659cb8508e946a5f13
https://github.com/keybase/saltpack/blob/0ac0b421a59b0473d103cc659cb8508e946a5f13/nonce.go#L72-L83
1,434
keybase/saltpack
nonce.go
newSigNonce
func newSigNonce() (sigNonce, error) { var n sigNonce if err := csprngRead(n[:]); err != nil { return sigNonce{}, err } return n, nil }
go
func newSigNonce() (sigNonce, error) { var n sigNonce if err := csprngRead(n[:]); err != nil { return sigNonce{}, err } return n, nil }
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// newSigNonce creates a sigNonce with random bytes.
[ "newSigNonce", "creates", "a", "sigNonce", "with", "random", "bytes", "." ]
0ac0b421a59b0473d103cc659cb8508e946a5f13
https://github.com/keybase/saltpack/blob/0ac0b421a59b0473d103cc659cb8508e946a5f13/nonce.go#L89-L95
1,435
keybase/saltpack
basic/key.go
Box
func (k SecretKey) Box(receiver saltpack.BoxPublicKey, nonce saltpack.Nonce, msg []byte) []byte { ret := box.Seal([]byte{}, msg, (*[24]byte)(&nonce), (*[32]byte)(receiver.ToRawBoxKeyPointer()), (*[32]byte)(&k.sec)) return ret }
go
func (k SecretKey) Box(receiver saltpack.BoxPublicKey, nonce saltpack.Nonce, msg []byte) []byte { ret := box.Seal([]byte{}, msg, (*[24]byte)(&nonce), (*[32]byte)(receiver.ToRawBoxKeyPointer()), (*[32]byte)(&k.sec)) return ret }
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// Box runs the NaCl box for the given sender and receiver key.
[ "Box", "runs", "the", "NaCl", "box", "for", "the", "given", "sender", "and", "receiver", "key", "." ]
0ac0b421a59b0473d103cc659cb8508e946a5f13
https://github.com/keybase/saltpack/blob/0ac0b421a59b0473d103cc659cb8508e946a5f13/basic/key.go#L68-L71
1,436
keybase/saltpack
basic/key.go
Unbox
func (k SecretKey) Unbox(sender saltpack.BoxPublicKey, nonce saltpack.Nonce, msg []byte) ([]byte, error) { ret, ok := box.Open([]byte{}, msg, (*[24]byte)(&nonce), (*[32]byte)(sender.ToRawBoxKeyPointer()), (*[32]byte)(&k.sec)) if !ok { return nil, saltpack.ErrDecryptionFailed } return ret, nil }
go
func (k SecretKey) Unbox(sender saltpack.BoxPublicKey, nonce saltpack.Nonce, msg []byte) ([]byte, error) { ret, ok := box.Open([]byte{}, msg, (*[24]byte)(&nonce), (*[32]byte)(sender.ToRawBoxKeyPointer()), (*[32]byte)(&k.sec)) if !ok { return nil, saltpack.ErrDecryptionFailed } return ret, nil }
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// Unbox runs the NaCl unbox operation on the given ciphertext and nonce, // using the receiver as the secret key.
[ "Unbox", "runs", "the", "NaCl", "unbox", "operation", "on", "the", "given", "ciphertext", "and", "nonce", "using", "the", "receiver", "as", "the", "secret", "key", "." ]
0ac0b421a59b0473d103cc659cb8508e946a5f13
https://github.com/keybase/saltpack/blob/0ac0b421a59b0473d103cc659cb8508e946a5f13/basic/key.go#L75-L81
1,437
keybase/saltpack
basic/key.go
Precompute
func (k SecretKey) Precompute(peer saltpack.BoxPublicKey) saltpack.BoxPrecomputedSharedKey { var res PrecomputedSharedKey box.Precompute((*[32]byte)(&res), (*[32]byte)(peer.ToRawBoxKeyPointer()), (*[32]byte)(&k.sec)) return res }
go
func (k SecretKey) Precompute(peer saltpack.BoxPublicKey) saltpack.BoxPrecomputedSharedKey { var res PrecomputedSharedKey box.Precompute((*[32]byte)(&res), (*[32]byte)(peer.ToRawBoxKeyPointer()), (*[32]byte)(&k.sec)) return res }
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// Precompute computes a shared key with the passed public key.
[ "Precompute", "computes", "a", "shared", "key", "with", "the", "passed", "public", "key", "." ]
0ac0b421a59b0473d103cc659cb8508e946a5f13
https://github.com/keybase/saltpack/blob/0ac0b421a59b0473d103cc659cb8508e946a5f13/basic/key.go#L99-L103
1,438
keybase/saltpack
basic/key.go
NewSecretKey
func NewSecretKey(pub, sec *[32]byte) SecretKey { return SecretKey{ sec: saltpack.RawBoxKey(*sec), pub: PublicKey{ RawBoxKey: *pub, }, } }
go
func NewSecretKey(pub, sec *[32]byte) SecretKey { return SecretKey{ sec: saltpack.RawBoxKey(*sec), pub: PublicKey{ RawBoxKey: *pub, }, } }
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// NewSecretKey makes a new SecretKey from the raw 32-byte arrays // the represent Box public and secret keys.
[ "NewSecretKey", "makes", "a", "new", "SecretKey", "from", "the", "raw", "32", "-", "byte", "arrays", "the", "represent", "Box", "public", "and", "secret", "keys", "." ]
0ac0b421a59b0473d103cc659cb8508e946a5f13
https://github.com/keybase/saltpack/blob/0ac0b421a59b0473d103cc659cb8508e946a5f13/basic/key.go#L107-L114
1,439
keybase/saltpack
basic/key.go
Unbox
func (k PrecomputedSharedKey) Unbox(nonce saltpack.Nonce, msg []byte) ([]byte, error) { ret, ok := box.OpenAfterPrecomputation([]byte{}, msg, (*[24]byte)(&nonce), (*[32]byte)(&k)) if !ok { return nil, saltpack.ErrDecryptionFailed } return ret, nil }
go
func (k PrecomputedSharedKey) Unbox(nonce saltpack.Nonce, msg []byte) ([]byte, error) { ret, ok := box.OpenAfterPrecomputation([]byte{}, msg, (*[24]byte)(&nonce), (*[32]byte)(&k)) if !ok { return nil, saltpack.ErrDecryptionFailed } return ret, nil }
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// Unbox runs the unbox computation given a precomputed key.
[ "Unbox", "runs", "the", "unbox", "computation", "given", "a", "precomputed", "key", "." ]
0ac0b421a59b0473d103cc659cb8508e946a5f13
https://github.com/keybase/saltpack/blob/0ac0b421a59b0473d103cc659cb8508e946a5f13/basic/key.go#L125-L131
1,440
keybase/saltpack
basic/key.go
NewKeyring
func NewKeyring() *Keyring { return &Keyring{ encKeys: make(map[PublicKey]SecretKey), sigKeys: make(map[SigningPublicKey]SigningSecretKey), } }
go
func NewKeyring() *Keyring { return &Keyring{ encKeys: make(map[PublicKey]SecretKey), sigKeys: make(map[SigningPublicKey]SigningSecretKey), } }
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// NewKeyring makes an empty new basic keyring.
[ "NewKeyring", "makes", "an", "empty", "new", "basic", "keyring", "." ]
0ac0b421a59b0473d103cc659cb8508e946a5f13
https://github.com/keybase/saltpack/blob/0ac0b421a59b0473d103cc659cb8508e946a5f13/basic/key.go#L143-L148
1,441
keybase/saltpack
basic/key.go
ImportBoxKey
func (k *Keyring) ImportBoxKey(pub, sec *[32]byte) { nk := NewSecretKey(pub, sec) k.encKeys[nk.pub] = nk }
go
func (k *Keyring) ImportBoxKey(pub, sec *[32]byte) { nk := NewSecretKey(pub, sec) k.encKeys[nk.pub] = nk }
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// ImportBoxKey imports an existing Box key into this keyring, from a raw byte arrays, // first the public, and then the secret key halves.
[ "ImportBoxKey", "imports", "an", "existing", "Box", "key", "into", "this", "keyring", "from", "a", "raw", "byte", "arrays", "first", "the", "public", "and", "then", "the", "secret", "key", "halves", "." ]
0ac0b421a59b0473d103cc659cb8508e946a5f13
https://github.com/keybase/saltpack/blob/0ac0b421a59b0473d103cc659cb8508e946a5f13/basic/key.go#L152-L155
1,442
keybase/saltpack
basic/key.go
GenerateBoxKey
func (k *Keyring) GenerateBoxKey() (*SecretKey, error) { ret, err := generateBoxKey() if err != nil { return nil, err } k.encKeys[ret.pub] = *ret return ret, nil }
go
func (k *Keyring) GenerateBoxKey() (*SecretKey, error) { ret, err := generateBoxKey() if err != nil { return nil, err } k.encKeys[ret.pub] = *ret return ret, nil }
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// GenerateBoxKey generates a new Box secret key and imports it into the keyring.
[ "GenerateBoxKey", "generates", "a", "new", "Box", "secret", "key", "and", "imports", "it", "into", "the", "keyring", "." ]
0ac0b421a59b0473d103cc659cb8508e946a5f13
https://github.com/keybase/saltpack/blob/0ac0b421a59b0473d103cc659cb8508e946a5f13/basic/key.go#L158-L165
1,443
keybase/saltpack
basic/key.go
GenerateSigningKey
func (k *Keyring) GenerateSigningKey() (*SigningSecretKey, error) { pub, sec, err := ed25519.GenerateKey(rand.Reader) if err != nil { return nil, err } if len(pub) != ed25519.PublicKeySize { panic("unexpected public key size") } var pubArray [ed25519.PublicKeySize]byte copy(pubArray[:], pub) if len(sec) != ed25519.PrivateKeySize { panic("unexpected private key size") } var privArray [ed25519.PrivateKeySize]byte copy(privArray[:], sec) ret := NewSigningSecretKey(&pubArray, &privArray) return &ret, nil }
go
func (k *Keyring) GenerateSigningKey() (*SigningSecretKey, error) { pub, sec, err := ed25519.GenerateKey(rand.Reader) if err != nil { return nil, err } if len(pub) != ed25519.PublicKeySize { panic("unexpected public key size") } var pubArray [ed25519.PublicKeySize]byte copy(pubArray[:], pub) if len(sec) != ed25519.PrivateKeySize { panic("unexpected private key size") } var privArray [ed25519.PrivateKeySize]byte copy(privArray[:], sec) ret := NewSigningSecretKey(&pubArray, &privArray) return &ret, nil }
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// GenerateSigningKey generates a signing key and import it into the keyring.
[ "GenerateSigningKey", "generates", "a", "signing", "key", "and", "import", "it", "into", "the", "keyring", "." ]
0ac0b421a59b0473d103cc659cb8508e946a5f13
https://github.com/keybase/saltpack/blob/0ac0b421a59b0473d103cc659cb8508e946a5f13/basic/key.go#L168-L188
1,444
keybase/saltpack
basic/key.go
ImportSigningKey
func (k *Keyring) ImportSigningKey(pub *[ed25519.PublicKeySize]byte, sec *[ed25519.PrivateKeySize]byte) { nk := NewSigningSecretKey(pub, sec) k.sigKeys[nk.pub] = nk }
go
func (k *Keyring) ImportSigningKey(pub *[ed25519.PublicKeySize]byte, sec *[ed25519.PrivateKeySize]byte) { nk := NewSigningSecretKey(pub, sec) k.sigKeys[nk.pub] = nk }
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// ImportSigningKey imports the raw signing key into the keyring.
[ "ImportSigningKey", "imports", "the", "raw", "signing", "key", "into", "the", "keyring", "." ]
0ac0b421a59b0473d103cc659cb8508e946a5f13
https://github.com/keybase/saltpack/blob/0ac0b421a59b0473d103cc659cb8508e946a5f13/basic/key.go#L191-L194
1,445
keybase/saltpack
basic/key.go
LookupBoxSecretKey
func (k *Keyring) LookupBoxSecretKey(kids [][]byte) (int, saltpack.BoxSecretKey) { for i, kid := range kids { if sk, ok := k.encKeys[kidToPublicKey(kid)]; ok { return i, sk } } return -1, nil }
go
func (k *Keyring) LookupBoxSecretKey(kids [][]byte) (int, saltpack.BoxSecretKey) { for i, kid := range kids { if sk, ok := k.encKeys[kidToPublicKey(kid)]; ok { return i, sk } } return -1, nil }
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// LookupBoxSecretKey tries to find one of the secret keys in its keyring // given the possible key IDs. It returns the index and the key, if found, and -1 // and nil otherwise.
[ "LookupBoxSecretKey", "tries", "to", "find", "one", "of", "the", "secret", "keys", "in", "its", "keyring", "given", "the", "possible", "key", "IDs", ".", "It", "returns", "the", "index", "and", "the", "key", "if", "found", "and", "-", "1", "and", "nil", "otherwise", "." ]
0ac0b421a59b0473d103cc659cb8508e946a5f13
https://github.com/keybase/saltpack/blob/0ac0b421a59b0473d103cc659cb8508e946a5f13/basic/key.go#L205-L212
1,446
keybase/saltpack
basic/key.go
GetAllBoxSecretKeys
func (k *Keyring) GetAllBoxSecretKeys() []saltpack.BoxSecretKey { var out []saltpack.BoxSecretKey for _, v := range k.encKeys { out = append(out, v) } return out }
go
func (k *Keyring) GetAllBoxSecretKeys() []saltpack.BoxSecretKey { var out []saltpack.BoxSecretKey for _, v := range k.encKeys { out = append(out, v) } return out }
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// GetAllBoxSecretKeys returns all secret Box keys in the keyring.
[ "GetAllBoxSecretKeys", "returns", "all", "secret", "Box", "keys", "in", "the", "keyring", "." ]
0ac0b421a59b0473d103cc659cb8508e946a5f13
https://github.com/keybase/saltpack/blob/0ac0b421a59b0473d103cc659cb8508e946a5f13/basic/key.go#L221-L227
1,447
keybase/saltpack
basic/key.go
Sign
func (k SigningSecretKey) Sign(msg []byte) (ret []byte, err error) { return ed25519.Sign(k.sec[:], msg), nil }
go
func (k SigningSecretKey) Sign(msg []byte) (ret []byte, err error) { return ed25519.Sign(k.sec[:], msg), nil }
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// Sign runs the NaCl signature scheme on the input message, returning // a signature.
[ "Sign", "runs", "the", "NaCl", "signature", "scheme", "on", "the", "input", "message", "returning", "a", "signature", "." ]
0ac0b421a59b0473d103cc659cb8508e946a5f13
https://github.com/keybase/saltpack/blob/0ac0b421a59b0473d103cc659cb8508e946a5f13/basic/key.go#L253-L255
1,448
keybase/saltpack
basic/key.go
GetRawPublicKey
func (k SigningSecretKey) GetRawPublicKey() *[ed25519.PublicKeySize]byte { return (*[ed25519.PublicKeySize]byte)(&k.pub) }
go
func (k SigningSecretKey) GetRawPublicKey() *[ed25519.PublicKeySize]byte { return (*[ed25519.PublicKeySize]byte)(&k.pub) }
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// GetRawPublicKey returns the raw public key that corresponds to this secret key.
[ "GetRawPublicKey", "returns", "the", "raw", "public", "key", "that", "corresponds", "to", "this", "secret", "key", "." ]
0ac0b421a59b0473d103cc659cb8508e946a5f13
https://github.com/keybase/saltpack/blob/0ac0b421a59b0473d103cc659cb8508e946a5f13/basic/key.go#L272-L274
1,449
keybase/saltpack
basic/key.go
GetRawSecretKey
func (k SigningSecretKey) GetRawSecretKey() *[ed25519.PrivateKeySize]byte { return (*[ed25519.PrivateKeySize]byte)(&k.sec) }
go
func (k SigningSecretKey) GetRawSecretKey() *[ed25519.PrivateKeySize]byte { return (*[ed25519.PrivateKeySize]byte)(&k.sec) }
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// GetRawSecretKey returns the raw secret key.
[ "GetRawSecretKey", "returns", "the", "raw", "secret", "key", "." ]
0ac0b421a59b0473d103cc659cb8508e946a5f13
https://github.com/keybase/saltpack/blob/0ac0b421a59b0473d103cc659cb8508e946a5f13/basic/key.go#L277-L279
1,450
keybase/saltpack
basic/key.go
NewSigningSecretKey
func NewSigningSecretKey(pub *[ed25519.PublicKeySize]byte, sec *[ed25519.PrivateKeySize]byte) SigningSecretKey { return SigningSecretKey{ sec: rawSigningSecretKey(*sec), pub: SigningPublicKey(*pub), } }
go
func NewSigningSecretKey(pub *[ed25519.PublicKeySize]byte, sec *[ed25519.PrivateKeySize]byte) SigningSecretKey { return SigningSecretKey{ sec: rawSigningSecretKey(*sec), pub: SigningPublicKey(*pub), } }
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// NewSigningSecretKey creates a new basic signing key from byte arrays.
[ "NewSigningSecretKey", "creates", "a", "new", "basic", "signing", "key", "from", "byte", "arrays", "." ]
0ac0b421a59b0473d103cc659cb8508e946a5f13
https://github.com/keybase/saltpack/blob/0ac0b421a59b0473d103cc659cb8508e946a5f13/basic/key.go#L294-L299
1,451
keybase/saltpack
verify.go
NewVerifyStream
func NewVerifyStream(versionValidator VersionValidator, r io.Reader, keyring SigKeyring) (skey SigningPublicKey, vs io.Reader, err error) { s, err := newVerifyStream(versionValidator, r, MessageTypeAttachedSignature) if err != nil { return nil, nil, err } skey = keyring.LookupSigningPublicKey(s.header.SenderPublic) if skey == nil { return nil, nil, ErrNoSenderKey } s.publicKey = skey return skey, newChunkReader(s), nil }
go
func NewVerifyStream(versionValidator VersionValidator, r io.Reader, keyring SigKeyring) (skey SigningPublicKey, vs io.Reader, err error) { s, err := newVerifyStream(versionValidator, r, MessageTypeAttachedSignature) if err != nil { return nil, nil, err } skey = keyring.LookupSigningPublicKey(s.header.SenderPublic) if skey == nil { return nil, nil, ErrNoSenderKey } s.publicKey = skey return skey, newChunkReader(s), nil }
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// NewVerifyStream creates a stream that consumes data from reader // r. It returns the signer's public key and a reader that only // contains verified data. If the signer's key is not in keyring, // it will return an error.
[ "NewVerifyStream", "creates", "a", "stream", "that", "consumes", "data", "from", "reader", "r", ".", "It", "returns", "the", "signer", "s", "public", "key", "and", "a", "reader", "that", "only", "contains", "verified", "data", ".", "If", "the", "signer", "s", "key", "is", "not", "in", "keyring", "it", "will", "return", "an", "error", "." ]
0ac0b421a59b0473d103cc659cb8508e946a5f13
https://github.com/keybase/saltpack/blob/0ac0b421a59b0473d103cc659cb8508e946a5f13/verify.go#L17-L28
1,452
keybase/saltpack
verify.go
Verify
func Verify(versionValidator VersionValidator, signedMsg []byte, keyring SigKeyring) (skey SigningPublicKey, verifiedMsg []byte, err error) { skey, stream, err := NewVerifyStream(versionValidator, bytes.NewReader(signedMsg), keyring) if err != nil { return nil, nil, err } verifiedMsg, err = ioutil.ReadAll(stream) if err != nil { return nil, nil, err } return skey, verifiedMsg, nil }
go
func Verify(versionValidator VersionValidator, signedMsg []byte, keyring SigKeyring) (skey SigningPublicKey, verifiedMsg []byte, err error) { skey, stream, err := NewVerifyStream(versionValidator, bytes.NewReader(signedMsg), keyring) if err != nil { return nil, nil, err } verifiedMsg, err = ioutil.ReadAll(stream) if err != nil { return nil, nil, err } return skey, verifiedMsg, nil }
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// Verify checks the signature in signedMsg. It returns the // signer's public key and a verified message.
[ "Verify", "checks", "the", "signature", "in", "signedMsg", ".", "It", "returns", "the", "signer", "s", "public", "key", "and", "a", "verified", "message", "." ]
0ac0b421a59b0473d103cc659cb8508e946a5f13
https://github.com/keybase/saltpack/blob/0ac0b421a59b0473d103cc659cb8508e946a5f13/verify.go#L32-L43
1,453
keybase/saltpack
verify.go
VerifyDetachedReader
func VerifyDetachedReader(versionValidator VersionValidator, message io.Reader, signature []byte, keyring SigKeyring) (skey SigningPublicKey, err error) { inputBuffer := bytes.NewBuffer(signature) // Use a verifyStream to parse the header. s, err := newVerifyStream(versionValidator, inputBuffer, MessageTypeDetachedSignature) if err != nil { return nil, err } // Reach inside the verifyStream to parse the signature bytes. var naclSignature []byte _, err = s.mps.Read(&naclSignature) if err != nil { return nil, err } // Get the public key. skey = keyring.LookupSigningPublicKey(s.header.SenderPublic) if skey == nil { return nil, ErrNoSenderKey } // Compute the signed text hash, without requiring us to copy the whole // signed text into memory at once. hasher := sha512.New() hasher.Write(s.headerHash[:]) if _, err := io.Copy(hasher, message); err != nil { return nil, err } if err := skey.Verify(detachedSignatureInputFromHash(hasher.Sum(nil)), naclSignature); err != nil { return nil, err } return skey, nil }
go
func VerifyDetachedReader(versionValidator VersionValidator, message io.Reader, signature []byte, keyring SigKeyring) (skey SigningPublicKey, err error) { inputBuffer := bytes.NewBuffer(signature) // Use a verifyStream to parse the header. s, err := newVerifyStream(versionValidator, inputBuffer, MessageTypeDetachedSignature) if err != nil { return nil, err } // Reach inside the verifyStream to parse the signature bytes. var naclSignature []byte _, err = s.mps.Read(&naclSignature) if err != nil { return nil, err } // Get the public key. skey = keyring.LookupSigningPublicKey(s.header.SenderPublic) if skey == nil { return nil, ErrNoSenderKey } // Compute the signed text hash, without requiring us to copy the whole // signed text into memory at once. hasher := sha512.New() hasher.Write(s.headerHash[:]) if _, err := io.Copy(hasher, message); err != nil { return nil, err } if err := skey.Verify(detachedSignatureInputFromHash(hasher.Sum(nil)), naclSignature); err != nil { return nil, err } return skey, nil }
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// VerifyDetachedReader verifies that signature is a valid signature for // entire message read from message Reader, and that the public key for // the signer is in keyring. It returns the signer's public key.
[ "VerifyDetachedReader", "verifies", "that", "signature", "is", "a", "valid", "signature", "for", "entire", "message", "read", "from", "message", "Reader", "and", "that", "the", "public", "key", "for", "the", "signer", "is", "in", "keyring", ".", "It", "returns", "the", "signer", "s", "public", "key", "." ]
0ac0b421a59b0473d103cc659cb8508e946a5f13
https://github.com/keybase/saltpack/blob/0ac0b421a59b0473d103cc659cb8508e946a5f13/verify.go#L48-L83
1,454
keybase/saltpack
verify.go
VerifyDetached
func VerifyDetached(versionValidator VersionValidator, message, signature []byte, keyring SigKeyring) (skey SigningPublicKey, err error) { return VerifyDetachedReader(versionValidator, bytes.NewReader(message), signature, keyring) }
go
func VerifyDetached(versionValidator VersionValidator, message, signature []byte, keyring SigKeyring) (skey SigningPublicKey, err error) { return VerifyDetachedReader(versionValidator, bytes.NewReader(message), signature, keyring) }
[ "func", "VerifyDetached", "(", "versionValidator", "VersionValidator", ",", "message", ",", "signature", "[", "]", "byte", ",", "keyring", "SigKeyring", ")", "(", "skey", "SigningPublicKey", ",", "err", "error", ")", "{", "return", "VerifyDetachedReader", "(", "versionValidator", ",", "bytes", ".", "NewReader", "(", "message", ")", ",", "signature", ",", "keyring", ")", "\n", "}" ]
// VerifyDetached verifies that signature is a valid signature for // message, and that the public key for the signer is in keyring. // It returns the signer's public key.
[ "VerifyDetached", "verifies", "that", "signature", "is", "a", "valid", "signature", "for", "message", "and", "that", "the", "public", "key", "for", "the", "signer", "is", "in", "keyring", ".", "It", "returns", "the", "signer", "s", "public", "key", "." ]
0ac0b421a59b0473d103cc659cb8508e946a5f13
https://github.com/keybase/saltpack/blob/0ac0b421a59b0473d103cc659cb8508e946a5f13/verify.go#L88-L90
1,455
keybase/saltpack
armor62_sign.go
NewSignArmor62Stream
func NewSignArmor62Stream(version Version, signedtext io.Writer, signer SigningSecretKey, brand string) (stream io.WriteCloser, err error) { enc, err := NewArmor62EncoderStream(signedtext, MessageTypeAttachedSignature, brand) if err != nil { return nil, err } out, err := NewSignStream(version, enc, signer) if err != nil { return nil, err } return closeForwarder([]io.WriteCloser{out, enc}), nil }
go
func NewSignArmor62Stream(version Version, signedtext io.Writer, signer SigningSecretKey, brand string) (stream io.WriteCloser, err error) { enc, err := NewArmor62EncoderStream(signedtext, MessageTypeAttachedSignature, brand) if err != nil { return nil, err } out, err := NewSignStream(version, enc, signer) if err != nil { return nil, err } return closeForwarder([]io.WriteCloser{out, enc}), nil }
[ "func", "NewSignArmor62Stream", "(", "version", "Version", ",", "signedtext", "io", ".", "Writer", ",", "signer", "SigningSecretKey", ",", "brand", "string", ")", "(", "stream", "io", ".", "WriteCloser", ",", "err", "error", ")", "{", "enc", ",", "err", ":=", "NewArmor62EncoderStream", "(", "signedtext", ",", "MessageTypeAttachedSignature", ",", "brand", ")", "\n", "if", "err", "!=", "nil", "{", "return", "nil", ",", "err", "\n", "}", "\n", "out", ",", "err", ":=", "NewSignStream", "(", "version", ",", "enc", ",", "signer", ")", "\n", "if", "err", "!=", "nil", "{", "return", "nil", ",", "err", "\n", "}", "\n", "return", "closeForwarder", "(", "[", "]", "io", ".", "WriteCloser", "{", "out", ",", "enc", "}", ")", ",", "nil", "\n", "}" ]
// NewSignArmor62Stream creates a stream that consumes plaintext data. // It will write out signed data to the io.Writer passed in as // signedtext. The `brand` is optional, and allows you to specify // your "white label" brand to this signature. NewSignArmor62Stream only // generates attached signatures. // // The signed data is armored with the recommended armor62-style // format.
[ "NewSignArmor62Stream", "creates", "a", "stream", "that", "consumes", "plaintext", "data", ".", "It", "will", "write", "out", "signed", "data", "to", "the", "io", ".", "Writer", "passed", "in", "as", "signedtext", ".", "The", "brand", "is", "optional", "and", "allows", "you", "to", "specify", "your", "white", "label", "brand", "to", "this", "signature", ".", "NewSignArmor62Stream", "only", "generates", "attached", "signatures", ".", "The", "signed", "data", "is", "armored", "with", "the", "recommended", "armor62", "-", "style", "format", "." ]
0ac0b421a59b0473d103cc659cb8508e946a5f13
https://github.com/keybase/saltpack/blob/0ac0b421a59b0473d103cc659cb8508e946a5f13/armor62_sign.go#L22-L32
1,456
keybase/saltpack
armor62_sign.go
SignArmor62
func SignArmor62(version Version, plaintext []byte, signer SigningSecretKey, brand string) (string, error) { buf, err := signToStream(version, plaintext, signer, applyBrand(NewSignArmor62Stream, brand)) if err != nil { return "", err } return buf.String(), nil }
go
func SignArmor62(version Version, plaintext []byte, signer SigningSecretKey, brand string) (string, error) { buf, err := signToStream(version, plaintext, signer, applyBrand(NewSignArmor62Stream, brand)) if err != nil { return "", err } return buf.String(), nil }
[ "func", "SignArmor62", "(", "version", "Version", ",", "plaintext", "[", "]", "byte", ",", "signer", "SigningSecretKey", ",", "brand", "string", ")", "(", "string", ",", "error", ")", "{", "buf", ",", "err", ":=", "signToStream", "(", "version", ",", "plaintext", ",", "signer", ",", "applyBrand", "(", "NewSignArmor62Stream", ",", "brand", ")", ")", "\n", "if", "err", "!=", "nil", "{", "return", "\"", "\"", ",", "err", "\n", "}", "\n", "return", "buf", ".", "String", "(", ")", ",", "nil", "\n", "}" ]
// SignArmor62 creates an attached armored signature message of plaintext from signer.
[ "SignArmor62", "creates", "an", "attached", "armored", "signature", "message", "of", "plaintext", "from", "signer", "." ]
0ac0b421a59b0473d103cc659cb8508e946a5f13
https://github.com/keybase/saltpack/blob/0ac0b421a59b0473d103cc659cb8508e946a5f13/armor62_sign.go#L35-L41
1,457
keybase/saltpack
armor62_sign.go
NewSignDetachedArmor62Stream
func NewSignDetachedArmor62Stream(version Version, detachedsig io.Writer, signer SigningSecretKey, brand string) (stream io.WriteCloser, err error) { enc, err := NewArmor62EncoderStream(detachedsig, MessageTypeDetachedSignature, brand) if err != nil { return nil, err } out, err := NewSignDetachedStream(version, enc, signer) if err != nil { return nil, err } return closeForwarder([]io.WriteCloser{out, enc}), nil }
go
func NewSignDetachedArmor62Stream(version Version, detachedsig io.Writer, signer SigningSecretKey, brand string) (stream io.WriteCloser, err error) { enc, err := NewArmor62EncoderStream(detachedsig, MessageTypeDetachedSignature, brand) if err != nil { return nil, err } out, err := NewSignDetachedStream(version, enc, signer) if err != nil { return nil, err } return closeForwarder([]io.WriteCloser{out, enc}), nil }
[ "func", "NewSignDetachedArmor62Stream", "(", "version", "Version", ",", "detachedsig", "io", ".", "Writer", ",", "signer", "SigningSecretKey", ",", "brand", "string", ")", "(", "stream", "io", ".", "WriteCloser", ",", "err", "error", ")", "{", "enc", ",", "err", ":=", "NewArmor62EncoderStream", "(", "detachedsig", ",", "MessageTypeDetachedSignature", ",", "brand", ")", "\n", "if", "err", "!=", "nil", "{", "return", "nil", ",", "err", "\n", "}", "\n", "out", ",", "err", ":=", "NewSignDetachedStream", "(", "version", ",", "enc", ",", "signer", ")", "\n", "if", "err", "!=", "nil", "{", "return", "nil", ",", "err", "\n", "}", "\n", "return", "closeForwarder", "(", "[", "]", "io", ".", "WriteCloser", "{", "out", ",", "enc", "}", ")", ",", "nil", "\n\n", "}" ]
// NewSignDetachedArmor62Stream creates a stream that consumes plaintext data. // It will write out the detached signature to the io.Writer passed in as // detachedsig. The `brand` is optional, and allows you to specify // your "white label" brand to this signature. // // The signed data is armored with the recommended armor62-style // NewSignDetachedArmor62Stream only generates detached signatures. // // The signature is armored with the recommended armor62-style // format.
[ "NewSignDetachedArmor62Stream", "creates", "a", "stream", "that", "consumes", "plaintext", "data", ".", "It", "will", "write", "out", "the", "detached", "signature", "to", "the", "io", ".", "Writer", "passed", "in", "as", "detachedsig", ".", "The", "brand", "is", "optional", "and", "allows", "you", "to", "specify", "your", "white", "label", "brand", "to", "this", "signature", ".", "The", "signed", "data", "is", "armored", "with", "the", "recommended", "armor62", "-", "style", "NewSignDetachedArmor62Stream", "only", "generates", "detached", "signatures", ".", "The", "signature", "is", "armored", "with", "the", "recommended", "armor62", "-", "style", "format", "." ]
0ac0b421a59b0473d103cc659cb8508e946a5f13
https://github.com/keybase/saltpack/blob/0ac0b421a59b0473d103cc659cb8508e946a5f13/armor62_sign.go#L53-L64
1,458
keybase/saltpack
armor62_sign.go
SignDetachedArmor62
func SignDetachedArmor62(version Version, plaintext []byte, signer SigningSecretKey, brand string) (string, error) { buf, err := signToStream(version, plaintext, signer, applyBrand(NewSignDetachedArmor62Stream, brand)) if err != nil { return "", err } return buf.String(), nil }
go
func SignDetachedArmor62(version Version, plaintext []byte, signer SigningSecretKey, brand string) (string, error) { buf, err := signToStream(version, plaintext, signer, applyBrand(NewSignDetachedArmor62Stream, brand)) if err != nil { return "", err } return buf.String(), nil }
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// SignDetachedArmor62 returns a detached armored signature of plaintext from signer.
[ "SignDetachedArmor62", "returns", "a", "detached", "armored", "signature", "of", "plaintext", "from", "signer", "." ]
0ac0b421a59b0473d103cc659cb8508e946a5f13
https://github.com/keybase/saltpack/blob/0ac0b421a59b0473d103cc659cb8508e946a5f13/armor62_sign.go#L67-L73
1,459
keybase/saltpack
armor.go
armorSeal
func armorSeal(plaintext []byte, header string, footer string, params armorParams) (string, error) { var buf bytes.Buffer enc, err := newArmorEncoderStream(&buf, header, footer, params) if err != nil { return "", err } if _, err := enc.Write(plaintext); err != nil { return "", err } if err := enc.Close(); err != nil { return "", err } return buf.String(), nil }
go
func armorSeal(plaintext []byte, header string, footer string, params armorParams) (string, error) { var buf bytes.Buffer enc, err := newArmorEncoderStream(&buf, header, footer, params) if err != nil { return "", err } if _, err := enc.Write(plaintext); err != nil { return "", err } if err := enc.Close(); err != nil { return "", err } return buf.String(), nil }
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// armorSeal takes an input plaintext and returns and output armor encoding // as a string, or an error if a problem was encountered. Also provide a header // and a footer to frame the message.
[ "armorSeal", "takes", "an", "input", "plaintext", "and", "returns", "and", "output", "armor", "encoding", "as", "a", "string", "or", "an", "error", "if", "a", "problem", "was", "encountered", ".", "Also", "provide", "a", "header", "and", "a", "footer", "to", "frame", "the", "message", "." ]
0ac0b421a59b0473d103cc659cb8508e946a5f13
https://github.com/keybase/saltpack/blob/0ac0b421a59b0473d103cc659cb8508e946a5f13/armor.go#L118-L131
1,460
keybase/saltpack
armor.go
Read
func (s *framedDecoderStream) Read(p []byte) (n int, err error) { if s.state == fdsHeader { err = s.loadHeader() if err != nil { return 0, err } } if s.state == fdsBody { n, err = s.r.Read(p) if err == ErrPunctuated { err = nil s.state = fdsFooter } if err == io.EOF { err = io.ErrUnexpectedEOF } if err != nil { return 0, err } } if s.state == fdsFooter { s.footer, err = s.r.ReadUntilPunctuation(s.frameLim) if err != nil { return 0, err } if s.frameChecker != nil { headerStr, err := s.toASCII(s.header) if err != nil { return 0, err } footerStr, err := s.toASCII(s.footer) if err != nil { return 0, err } if _, err = s.frameChecker(headerStr, footerStr); err != nil { return 0, err } } s.state = fdsEndOfStream } if s.state == fdsEndOfStream { err = s.consumeUntilEOF() if err == io.EOF && n > 0 { err = nil } } return n, err }
go
func (s *framedDecoderStream) Read(p []byte) (n int, err error) { if s.state == fdsHeader { err = s.loadHeader() if err != nil { return 0, err } } if s.state == fdsBody { n, err = s.r.Read(p) if err == ErrPunctuated { err = nil s.state = fdsFooter } if err == io.EOF { err = io.ErrUnexpectedEOF } if err != nil { return 0, err } } if s.state == fdsFooter { s.footer, err = s.r.ReadUntilPunctuation(s.frameLim) if err != nil { return 0, err } if s.frameChecker != nil { headerStr, err := s.toASCII(s.header) if err != nil { return 0, err } footerStr, err := s.toASCII(s.footer) if err != nil { return 0, err } if _, err = s.frameChecker(headerStr, footerStr); err != nil { return 0, err } } s.state = fdsEndOfStream } if s.state == fdsEndOfStream { err = s.consumeUntilEOF() if err == io.EOF && n > 0 { err = nil } } return n, err }
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// Read from a framedDeecoderStream. The frame is the "BEGIN FOO." block // at the beginning, and the "END FOO." block at the end.
[ "Read", "from", "a", "framedDeecoderStream", ".", "The", "frame", "is", "the", "BEGIN", "FOO", ".", "block", "at", "the", "beginning", "and", "the", "END", "FOO", ".", "block", "at", "the", "end", "." ]
0ac0b421a59b0473d103cc659cb8508e946a5f13
https://github.com/keybase/saltpack/blob/0ac0b421a59b0473d103cc659cb8508e946a5f13/armor.go#L198-L250
1,461
keybase/saltpack
armor.go
consumeUntilEOF
func (s *framedDecoderStream) consumeUntilEOF() error { var buf [4096]byte for { n, err := s.r.Read(buf[:]) if err != nil { return err } if n == 0 { return io.EOF } if !s.isValidByteSequence(buf[0:n]) { return ErrTrailingGarbage } } }
go
func (s *framedDecoderStream) consumeUntilEOF() error { var buf [4096]byte for { n, err := s.r.Read(buf[:]) if err != nil { return err } if n == 0 { return io.EOF } if !s.isValidByteSequence(buf[0:n]) { return ErrTrailingGarbage } } }
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// consume the stream until we hit an EOF. For all data we consume, make // sure that it's a valid byte as far as our underlying decoder is concerned. // We might considering clamping down here on the number of characters we're willing // to accept after the message is over. But for now, we're quite liberal.
[ "consume", "the", "stream", "until", "we", "hit", "an", "EOF", ".", "For", "all", "data", "we", "consume", "make", "sure", "that", "it", "s", "a", "valid", "byte", "as", "far", "as", "our", "underlying", "decoder", "is", "concerned", ".", "We", "might", "considering", "clamping", "down", "here", "on", "the", "number", "of", "characters", "we", "re", "willing", "to", "accept", "after", "the", "message", "is", "over", ".", "But", "for", "now", "we", "re", "quite", "liberal", "." ]
0ac0b421a59b0473d103cc659cb8508e946a5f13
https://github.com/keybase/saltpack/blob/0ac0b421a59b0473d103cc659cb8508e946a5f13/armor.go#L256-L270
1,462
keybase/saltpack
armor.go
isValidByteSequence
func (s *framedDecoderStream) isValidByteSequence(p []byte) bool { for _, b := range p { if !s.params.Encoding.IsValidByte(b) { return false } } return true }
go
func (s *framedDecoderStream) isValidByteSequence(p []byte) bool { for _, b := range p { if !s.params.Encoding.IsValidByte(b) { return false } } return true }
[ "func", "(", "s", "*", "framedDecoderStream", ")", "isValidByteSequence", "(", "p", "[", "]", "byte", ")", "bool", "{", "for", "_", ",", "b", ":=", "range", "p", "{", "if", "!", "s", ".", "params", ".", "Encoding", ".", "IsValidByte", "(", "b", ")", "{", "return", "false", "\n", "}", "\n", "}", "\n", "return", "true", "\n", "}" ]
// isValidByteSequence checks if the byte sequence is valid as far as our // underlying encoder is concerned.
[ "isValidByteSequence", "checks", "if", "the", "byte", "sequence", "is", "valid", "as", "far", "as", "our", "underlying", "encoder", "is", "concerned", "." ]
0ac0b421a59b0473d103cc659cb8508e946a5f13
https://github.com/keybase/saltpack/blob/0ac0b421a59b0473d103cc659cb8508e946a5f13/armor.go#L274-L281
1,463
keybase/saltpack
armor.go
armorOpen
func armorOpen(msg string, params armorParams, headerChecker HeaderChecker, frameChecker FrameChecker) (body []byte, brand string, header string, footer string, err error) { var dec io.Reader var frame Frame buf := bytes.NewBufferString(msg) dec, frame, err = newArmorDecoderStream(buf, params, headerChecker, frameChecker) if err != nil { return } body, err = ioutil.ReadAll(dec) if err != nil { return } if header, err = frame.GetHeader(); err != nil { return } if footer, err = frame.GetFooter(); err != nil { return } if brand, err = frame.GetBrand(); err != nil { return } return body, brand, header, footer, nil }
go
func armorOpen(msg string, params armorParams, headerChecker HeaderChecker, frameChecker FrameChecker) (body []byte, brand string, header string, footer string, err error) { var dec io.Reader var frame Frame buf := bytes.NewBufferString(msg) dec, frame, err = newArmorDecoderStream(buf, params, headerChecker, frameChecker) if err != nil { return } body, err = ioutil.ReadAll(dec) if err != nil { return } if header, err = frame.GetHeader(); err != nil { return } if footer, err = frame.GetFooter(); err != nil { return } if brand, err = frame.GetBrand(); err != nil { return } return body, brand, header, footer, nil }
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// armorOpen runs armor stream decoding, but on a string, and it outputs a string.
[ "armorOpen", "runs", "armor", "stream", "decoding", "but", "on", "a", "string", "and", "it", "outputs", "a", "string", "." ]
0ac0b421a59b0473d103cc659cb8508e946a5f13
https://github.com/keybase/saltpack/blob/0ac0b421a59b0473d103cc659cb8508e946a5f13/armor.go#L326-L348
1,464
keybase/saltpack
punctuated_reader.go
Read
func (p *punctuatedReader) Read(out []byte) (n int, err error) { // First deal with the case that we had a "short copy" to our target buffer // in a previous call of the read function. if len(p.thisSegment) > 0 { n = copy(out, p.thisSegment) p.thisSegment = p.thisSegment[n:] if len(p.thisSegment) == 0 { err = p.errThisSegment p.errThisSegment = nil } return n, err } // In this case we have no previous short copy, so now we deal with // two cases --- we had, from a previous iteration, some stuff after the // punctuation. Or we need to read again. var src []byte usedBuffer := false if len(p.nextSegment) > 0 { src = p.nextSegment usedBuffer = true p.nextSegment = nil } else { n, err = p.r.Read(out) if err != nil { return n, err } src = out[0:n] } // Now look for punctuation. If we find it, we need to keep the remaining // data in the buffer (to the right of the punctuation mark) for the next // time through the loop. Note that that new buffer can itself have subsequent // punctuation, so we'll have to perform the check again here. foundPunc := false if i := bytes.Index(src, p.punctuation[:]); i >= 0 { p.nextSegment = src[(i + 1):] src = src[0:i] n = len(src) foundPunc = true } // If we used a buffer, copy into the output buffer, and potentially deal // with a "short copy" situation in which we couldn't fit all of the data // into the given buffer. if usedBuffer { n = copy(out, src) p.thisSegment = src[n:] } // If we found punctuation, we have to set an error accordingly. However, // in the "short copy" situation just above, we can't return the error just // yet, we need to do so when that buffer is drained. if foundPunc { if len(p.thisSegment) > 0 { p.errThisSegment = ErrPunctuated } else { err = ErrPunctuated } } return n, err }
go
func (p *punctuatedReader) Read(out []byte) (n int, err error) { // First deal with the case that we had a "short copy" to our target buffer // in a previous call of the read function. if len(p.thisSegment) > 0 { n = copy(out, p.thisSegment) p.thisSegment = p.thisSegment[n:] if len(p.thisSegment) == 0 { err = p.errThisSegment p.errThisSegment = nil } return n, err } // In this case we have no previous short copy, so now we deal with // two cases --- we had, from a previous iteration, some stuff after the // punctuation. Or we need to read again. var src []byte usedBuffer := false if len(p.nextSegment) > 0 { src = p.nextSegment usedBuffer = true p.nextSegment = nil } else { n, err = p.r.Read(out) if err != nil { return n, err } src = out[0:n] } // Now look for punctuation. If we find it, we need to keep the remaining // data in the buffer (to the right of the punctuation mark) for the next // time through the loop. Note that that new buffer can itself have subsequent // punctuation, so we'll have to perform the check again here. foundPunc := false if i := bytes.Index(src, p.punctuation[:]); i >= 0 { p.nextSegment = src[(i + 1):] src = src[0:i] n = len(src) foundPunc = true } // If we used a buffer, copy into the output buffer, and potentially deal // with a "short copy" situation in which we couldn't fit all of the data // into the given buffer. if usedBuffer { n = copy(out, src) p.thisSegment = src[n:] } // If we found punctuation, we have to set an error accordingly. However, // in the "short copy" situation just above, we can't return the error just // yet, we need to do so when that buffer is drained. if foundPunc { if len(p.thisSegment) > 0 { p.errThisSegment = ErrPunctuated } else { err = ErrPunctuated } } return n, err }
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// Read from the punctuatedReader, potentially returning an `ErrPunctuation` // if a punctuation character was found.
[ "Read", "from", "the", "punctuatedReader", "potentially", "returning", "an", "ErrPunctuation", "if", "a", "punctuation", "character", "was", "found", "." ]
0ac0b421a59b0473d103cc659cb8508e946a5f13
https://github.com/keybase/saltpack/blob/0ac0b421a59b0473d103cc659cb8508e946a5f13/punctuated_reader.go#L35-L98
1,465
keybase/saltpack
punctuated_reader.go
ReadUntilPunctuation
func (p *punctuatedReader) ReadUntilPunctuation(lim int) (res []byte, err error) { for { var n int n, err = p.Read(p.buf[:]) if err == ErrPunctuated || err == nil { res = append(res, p.buf[0:n]...) if err == ErrPunctuated { err = nil return res, err } if len(res) >= lim { return nil, ErrOverflow } } else if err != nil { if err == io.EOF { err = io.ErrUnexpectedEOF } return nil, err } else if n == 0 { return nil, io.ErrUnexpectedEOF } } }
go
func (p *punctuatedReader) ReadUntilPunctuation(lim int) (res []byte, err error) { for { var n int n, err = p.Read(p.buf[:]) if err == ErrPunctuated || err == nil { res = append(res, p.buf[0:n]...) if err == ErrPunctuated { err = nil return res, err } if len(res) >= lim { return nil, ErrOverflow } } else if err != nil { if err == io.EOF { err = io.ErrUnexpectedEOF } return nil, err } else if n == 0 { return nil, io.ErrUnexpectedEOF } } }
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// ReadUntilPunctuation reads from the stream until it find a desired // punctuation byte. If it wasn't found before EOF, it will return io.ErrUnexpectedEOF. // If it wasn't found before lim bytes are consumed, then it will return ErrOverflow.
[ "ReadUntilPunctuation", "reads", "from", "the", "stream", "until", "it", "find", "a", "desired", "punctuation", "byte", ".", "If", "it", "wasn", "t", "found", "before", "EOF", "it", "will", "return", "io", ".", "ErrUnexpectedEOF", ".", "If", "it", "wasn", "t", "found", "before", "lim", "bytes", "are", "consumed", "then", "it", "will", "return", "ErrOverflow", "." ]
0ac0b421a59b0473d103cc659cb8508e946a5f13
https://github.com/keybase/saltpack/blob/0ac0b421a59b0473d103cc659cb8508e946a5f13/punctuated_reader.go#L103-L125
1,466
keybase/saltpack
punctuated_reader.go
newPunctuatedReader
func newPunctuatedReader(r io.Reader, p byte) *punctuatedReader { ret := &punctuatedReader{r: r} ret.punctuation[0] = p return ret }
go
func newPunctuatedReader(r io.Reader, p byte) *punctuatedReader { ret := &punctuatedReader{r: r} ret.punctuation[0] = p return ret }
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// newPunctuatedReader returns a new punctuatedReader given an underlying // read stream and a punctuation byte.
[ "newPunctuatedReader", "returns", "a", "new", "punctuatedReader", "given", "an", "underlying", "read", "stream", "and", "a", "punctuation", "byte", "." ]
0ac0b421a59b0473d103cc659cb8508e946a5f13
https://github.com/keybase/saltpack/blob/0ac0b421a59b0473d103cc659cb8508e946a5f13/punctuated_reader.go#L129-L133
1,467
keybase/saltpack
armor62_decrypt.go
NewDearmor62DecryptStream
func NewDearmor62DecryptStream(versionValidator VersionValidator, ciphertext io.Reader, kr Keyring) (*MessageKeyInfo, io.Reader, string, error) { dearmored, frame, err := NewArmor62DecoderStream(ciphertext, armor62EncryptionHeaderChecker, armor62EncryptionFrameChecker) if err != nil { return nil, nil, "", err } brand, err := frame.GetBrand() if err != nil { return nil, nil, "", err } mki, r, err := NewDecryptStream(versionValidator, dearmored, kr) if err != nil { return mki, nil, "", err } return mki, r, brand, nil }
go
func NewDearmor62DecryptStream(versionValidator VersionValidator, ciphertext io.Reader, kr Keyring) (*MessageKeyInfo, io.Reader, string, error) { dearmored, frame, err := NewArmor62DecoderStream(ciphertext, armor62EncryptionHeaderChecker, armor62EncryptionFrameChecker) if err != nil { return nil, nil, "", err } brand, err := frame.GetBrand() if err != nil { return nil, nil, "", err } mki, r, err := NewDecryptStream(versionValidator, dearmored, kr) if err != nil { return mki, nil, "", err } return mki, r, brand, nil }
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// NewDearmor62DecryptStream makes a new stream that dearmors and decrypts the given // Reader stream. Pass it a keyring so that it can lookup private and public keys // as necessary. Returns the MessageKeyInfo recovered during header // processing, an io.Reader stream from which you can read the plaintext, the armor branding, and // maybe an error if there was a failure.
[ "NewDearmor62DecryptStream", "makes", "a", "new", "stream", "that", "dearmors", "and", "decrypts", "the", "given", "Reader", "stream", ".", "Pass", "it", "a", "keyring", "so", "that", "it", "can", "lookup", "private", "and", "public", "keys", "as", "necessary", ".", "Returns", "the", "MessageKeyInfo", "recovered", "during", "header", "processing", "an", "io", ".", "Reader", "stream", "from", "which", "you", "can", "read", "the", "plaintext", "the", "armor", "branding", "and", "maybe", "an", "error", "if", "there", "was", "a", "failure", "." ]
0ac0b421a59b0473d103cc659cb8508e946a5f13
https://github.com/keybase/saltpack/blob/0ac0b421a59b0473d103cc659cb8508e946a5f13/armor62_decrypt.go#L26-L40
1,468
rakyll/gom
internal/report/report.go
Generate
func Generate(w io.Writer, rpt *Report, obj plugin.ObjTool) error { o := rpt.options switch o.OutputFormat { case Dot: return printDOT(w, rpt) case Tree: return printTree(w, rpt) case Text: return printText(w, rpt) case JSON: return printJSON(w, rpt) case Raw: fmt.Fprint(w, rpt.prof.String()) return nil case Tags: return printTags(w, rpt) case Proto: return rpt.prof.Write(w) case Dis: return printAssembly(w, rpt, obj) case List: return printSource(w, rpt) case WebList: return printWebSource(w, rpt, obj) case Callgrind: return printCallgrind(w, rpt) } return fmt.Errorf("unexpected output format") }
go
func Generate(w io.Writer, rpt *Report, obj plugin.ObjTool) error { o := rpt.options switch o.OutputFormat { case Dot: return printDOT(w, rpt) case Tree: return printTree(w, rpt) case Text: return printText(w, rpt) case JSON: return printJSON(w, rpt) case Raw: fmt.Fprint(w, rpt.prof.String()) return nil case Tags: return printTags(w, rpt) case Proto: return rpt.prof.Write(w) case Dis: return printAssembly(w, rpt, obj) case List: return printSource(w, rpt) case WebList: return printWebSource(w, rpt, obj) case Callgrind: return printCallgrind(w, rpt) } return fmt.Errorf("unexpected output format") }
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// Generate generates a report as directed by the Report.
[ "Generate", "generates", "a", "report", "as", "directed", "by", "the", "Report", "." ]
183a9e70f4777aa03d377d21a0ed023a6afac141
https://github.com/rakyll/gom/blob/183a9e70f4777aa03d377d21a0ed023a6afac141/internal/report/report.go#L27-L56
1,469
rakyll/gom
internal/report/report.go
canAccessFile
func canAccessFile(path string) bool { if fi, err := os.Stat(path); err == nil { return fi.Mode().Perm()&0400 != 0 } return false }
go
func canAccessFile(path string) bool { if fi, err := os.Stat(path); err == nil { return fi.Mode().Perm()&0400 != 0 } return false }
[ "func", "canAccessFile", "(", "path", "string", ")", "bool", "{", "if", "fi", ",", "err", ":=", "os", ".", "Stat", "(", "path", ")", ";", "err", "==", "nil", "{", "return", "fi", ".", "Mode", "(", ")", ".", "Perm", "(", ")", "&", "0400", "!=", "0", "\n", "}", "\n", "return", "false", "\n", "}" ]
// canAccessFile determines if the filename can be opened for reading.
[ "canAccessFile", "determines", "if", "the", "filename", "can", "be", "opened", "for", "reading", "." ]
183a9e70f4777aa03d377d21a0ed023a6afac141
https://github.com/rakyll/gom/blob/183a9e70f4777aa03d377d21a0ed023a6afac141/internal/report/report.go#L295-L300
1,470
rakyll/gom
internal/report/report.go
percentage
func percentage(value, total int64) string { var ratio float64 if total != 0 { ratio = float64(value) / float64(total) * 100 } switch { case ratio >= 99.95: return " 100%" case ratio >= 1.0: return fmt.Sprintf("%5.2f%%", ratio) default: return fmt.Sprintf("%5.2g%%", ratio) } }
go
func percentage(value, total int64) string { var ratio float64 if total != 0 { ratio = float64(value) / float64(total) * 100 } switch { case ratio >= 99.95: return " 100%" case ratio >= 1.0: return fmt.Sprintf("%5.2f%%", ratio) default: return fmt.Sprintf("%5.2g%%", ratio) } }
[ "func", "percentage", "(", "value", ",", "total", "int64", ")", "string", "{", "var", "ratio", "float64", "\n", "if", "total", "!=", "0", "{", "ratio", "=", "float64", "(", "value", ")", "/", "float64", "(", "total", ")", "*", "100", "\n", "}", "\n", "switch", "{", "case", "ratio", ">=", "99.95", ":", "return", "\"", "\"", "\n", "case", "ratio", ">=", "1.0", ":", "return", "fmt", ".", "Sprintf", "(", "\"", "\"", ",", "ratio", ")", "\n", "default", ":", "return", "fmt", ".", "Sprintf", "(", "\"", "\"", ",", "ratio", ")", "\n", "}", "\n", "}" ]
// percentage computes the percentage of total of a value, and encodes // it as a string. At least two digits of precision are printed.
[ "percentage", "computes", "the", "percentage", "of", "total", "of", "a", "value", "and", "encodes", "it", "as", "a", "string", ".", "At", "least", "two", "digits", "of", "precision", "are", "printed", "." ]
183a9e70f4777aa03d377d21a0ed023a6afac141
https://github.com/rakyll/gom/blob/183a9e70f4777aa03d377d21a0ed023a6afac141/internal/report/report.go#L565-L578
1,471
rakyll/gom
internal/report/report.go
dotLegend
func dotLegend(rpt *Report, g graph, origCount, droppedNodes, droppedEdges int) string { label := legendLabels(rpt) label = append(label, legendDetailLabels(rpt, g, origCount, droppedNodes, droppedEdges)...) return fmt.Sprintf(`subgraph cluster_L { L [shape=box fontsize=32 label="%s\l"] }`, strings.Join(label, `\l`)) }
go
func dotLegend(rpt *Report, g graph, origCount, droppedNodes, droppedEdges int) string { label := legendLabels(rpt) label = append(label, legendDetailLabels(rpt, g, origCount, droppedNodes, droppedEdges)...) return fmt.Sprintf(`subgraph cluster_L { L [shape=box fontsize=32 label="%s\l"] }`, strings.Join(label, `\l`)) }
[ "func", "dotLegend", "(", "rpt", "*", "Report", ",", "g", "graph", ",", "origCount", ",", "droppedNodes", ",", "droppedEdges", "int", ")", "string", "{", "label", ":=", "legendLabels", "(", "rpt", ")", "\n", "label", "=", "append", "(", "label", ",", "legendDetailLabels", "(", "rpt", ",", "g", ",", "origCount", ",", "droppedNodes", ",", "droppedEdges", ")", "...", ")", "\n", "return", "fmt", ".", "Sprintf", "(", "`subgraph cluster_L { L [shape=box fontsize=32 label=\"%s\\l\"] }`", ",", "strings", ".", "Join", "(", "label", ",", "`\\l`", ")", ")", "\n", "}" ]
// dotLegend generates the overall graph label for a report in DOT format.
[ "dotLegend", "generates", "the", "overall", "graph", "label", "for", "a", "report", "in", "DOT", "format", "." ]
183a9e70f4777aa03d377d21a0ed023a6afac141
https://github.com/rakyll/gom/blob/183a9e70f4777aa03d377d21a0ed023a6afac141/internal/report/report.go#L581-L585
1,472
rakyll/gom
internal/report/report.go
legendLabels
func legendLabels(rpt *Report) []string { prof := rpt.prof o := rpt.options var label []string if len(prof.Mapping) > 0 { if prof.Mapping[0].File != "" { label = append(label, "File: "+filepath.Base(prof.Mapping[0].File)) } if prof.Mapping[0].BuildID != "" { label = append(label, "Build ID: "+prof.Mapping[0].BuildID) } } if o.SampleType != "" { label = append(label, "Type: "+o.SampleType) } if prof.TimeNanos != 0 { const layout = "Jan 2, 2006 at 3:04pm (MST)" label = append(label, "Time: "+time.Unix(0, prof.TimeNanos).Format(layout)) } if prof.DurationNanos != 0 { label = append(label, fmt.Sprintf("Duration: %v", time.Duration(prof.DurationNanos))) } return label }
go
func legendLabels(rpt *Report) []string { prof := rpt.prof o := rpt.options var label []string if len(prof.Mapping) > 0 { if prof.Mapping[0].File != "" { label = append(label, "File: "+filepath.Base(prof.Mapping[0].File)) } if prof.Mapping[0].BuildID != "" { label = append(label, "Build ID: "+prof.Mapping[0].BuildID) } } if o.SampleType != "" { label = append(label, "Type: "+o.SampleType) } if prof.TimeNanos != 0 { const layout = "Jan 2, 2006 at 3:04pm (MST)" label = append(label, "Time: "+time.Unix(0, prof.TimeNanos).Format(layout)) } if prof.DurationNanos != 0 { label = append(label, fmt.Sprintf("Duration: %v", time.Duration(prof.DurationNanos))) } return label }
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// legendLabels generates labels exclusive to graph visualization.
[ "legendLabels", "generates", "labels", "exclusive", "to", "graph", "visualization", "." ]
183a9e70f4777aa03d377d21a0ed023a6afac141
https://github.com/rakyll/gom/blob/183a9e70f4777aa03d377d21a0ed023a6afac141/internal/report/report.go#L588-L611
1,473
rakyll/gom
internal/report/report.go
legendDetailLabels
func legendDetailLabels(rpt *Report, g graph, origCount, droppedNodes, droppedEdges int) []string { nodeFraction := rpt.options.NodeFraction edgeFraction := rpt.options.EdgeFraction nodeCount := rpt.options.NodeCount label := []string{} var flatSum int64 for _, n := range g.ns { flatSum = flatSum + n.flat } label = append(label, fmt.Sprintf("%s of %s total (%s)", rpt.formatValue(flatSum), rpt.formatValue(rpt.total), percentage(flatSum, rpt.total))) if rpt.total > 0 { if droppedNodes > 0 { label = append(label, genLabel(droppedNodes, "node", "cum", rpt.formatValue(int64(float64(rpt.total)*nodeFraction)))) } if droppedEdges > 0 { label = append(label, genLabel(droppedEdges, "edge", "freq", rpt.formatValue(int64(float64(rpt.total)*edgeFraction)))) } if nodeCount > 0 && nodeCount < origCount { label = append(label, fmt.Sprintf("Showing top %d nodes out of %d (cum >= %s)", nodeCount, origCount, rpt.formatValue(g.ns[len(g.ns)-1].cum))) } } return label }
go
func legendDetailLabels(rpt *Report, g graph, origCount, droppedNodes, droppedEdges int) []string { nodeFraction := rpt.options.NodeFraction edgeFraction := rpt.options.EdgeFraction nodeCount := rpt.options.NodeCount label := []string{} var flatSum int64 for _, n := range g.ns { flatSum = flatSum + n.flat } label = append(label, fmt.Sprintf("%s of %s total (%s)", rpt.formatValue(flatSum), rpt.formatValue(rpt.total), percentage(flatSum, rpt.total))) if rpt.total > 0 { if droppedNodes > 0 { label = append(label, genLabel(droppedNodes, "node", "cum", rpt.formatValue(int64(float64(rpt.total)*nodeFraction)))) } if droppedEdges > 0 { label = append(label, genLabel(droppedEdges, "edge", "freq", rpt.formatValue(int64(float64(rpt.total)*edgeFraction)))) } if nodeCount > 0 && nodeCount < origCount { label = append(label, fmt.Sprintf("Showing top %d nodes out of %d (cum >= %s)", nodeCount, origCount, rpt.formatValue(g.ns[len(g.ns)-1].cum))) } } return label }
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// legendDetailLabels generates labels common to graph and text visualization.
[ "legendDetailLabels", "generates", "labels", "common", "to", "graph", "and", "text", "visualization", "." ]
183a9e70f4777aa03d377d21a0ed023a6afac141
https://github.com/rakyll/gom/blob/183a9e70f4777aa03d377d21a0ed023a6afac141/internal/report/report.go#L614-L644
1,474
rakyll/gom
internal/report/report.go
dotNode
func dotNode(rpt *Report, maxFlat float64, rIndex int, n *node) string { flat, cum := n.flat, n.cum labels := strings.Split(n.info.prettyName(), "::") label := strings.Join(labels, `\n`) + `\n` flatValue := rpt.formatValue(flat) if flat > 0 { label = label + fmt.Sprintf(`%s(%s)`, flatValue, strings.TrimSpace(percentage(flat, rpt.total))) } else { label = label + "0" } cumValue := flatValue if cum != flat { if flat > 0 { label = label + `\n` } else { label = label + " " } cumValue = rpt.formatValue(cum) label = label + fmt.Sprintf(`of %s(%s)`, cumValue, strings.TrimSpace(percentage(cum, rpt.total))) } // Scale font sizes from 8 to 24 based on percentage of flat frequency. // Use non linear growth to emphasize the size difference. baseFontSize, maxFontGrowth := 8, 16.0 fontSize := baseFontSize if maxFlat > 0 && flat > 0 && float64(flat) <= maxFlat { fontSize += int(math.Ceil(maxFontGrowth * math.Sqrt(float64(flat)/maxFlat))) } return fmt.Sprintf(`N%d [label="%s" fontsize=%d shape=box tooltip="%s (%s)"]`, rIndex, label, fontSize, n.info.prettyName(), cumValue) }
go
func dotNode(rpt *Report, maxFlat float64, rIndex int, n *node) string { flat, cum := n.flat, n.cum labels := strings.Split(n.info.prettyName(), "::") label := strings.Join(labels, `\n`) + `\n` flatValue := rpt.formatValue(flat) if flat > 0 { label = label + fmt.Sprintf(`%s(%s)`, flatValue, strings.TrimSpace(percentage(flat, rpt.total))) } else { label = label + "0" } cumValue := flatValue if cum != flat { if flat > 0 { label = label + `\n` } else { label = label + " " } cumValue = rpt.formatValue(cum) label = label + fmt.Sprintf(`of %s(%s)`, cumValue, strings.TrimSpace(percentage(cum, rpt.total))) } // Scale font sizes from 8 to 24 based on percentage of flat frequency. // Use non linear growth to emphasize the size difference. baseFontSize, maxFontGrowth := 8, 16.0 fontSize := baseFontSize if maxFlat > 0 && flat > 0 && float64(flat) <= maxFlat { fontSize += int(math.Ceil(maxFontGrowth * math.Sqrt(float64(flat)/maxFlat))) } return fmt.Sprintf(`N%d [label="%s" fontsize=%d shape=box tooltip="%s (%s)"]`, rIndex, label, fontSize, n.info.prettyName(), cumValue) }
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// dotNode generates a graph node in DOT format.
[ "dotNode", "generates", "a", "graph", "node", "in", "DOT", "format", "." ]
183a9e70f4777aa03d377d21a0ed023a6afac141
https://github.com/rakyll/gom/blob/183a9e70f4777aa03d377d21a0ed023a6afac141/internal/report/report.go#L654-L692
1,475
rakyll/gom
internal/report/report.go
dotEdge
func dotEdge(rpt *Report, from, to int, e *edgeInfo) string { w := rpt.formatValue(e.weight) attr := fmt.Sprintf(`label=" %s"`, w) if rpt.total > 0 { if weight := 1 + int(e.weight*100/rpt.total); weight > 1 { attr = fmt.Sprintf(`%s weight=%d`, attr, weight) } if width := 1 + int(e.weight*5/rpt.total); width > 1 { attr = fmt.Sprintf(`%s penwidth=%d`, attr, width) } } arrow := "->" if e.residual { arrow = "..." } tooltip := fmt.Sprintf(`"%s %s %s (%s)"`, e.src.info.prettyName(), arrow, e.dest.info.prettyName(), w) attr = fmt.Sprintf(`%s tooltip=%s labeltooltip=%s`, attr, tooltip, tooltip) if e.residual { attr = attr + ` style="dotted"` } if len(e.src.tags) > 0 { // Separate children further if source has tags. attr = attr + " minlen=2" } return fmt.Sprintf("N%d -> N%d [%s]", from, to, attr) }
go
func dotEdge(rpt *Report, from, to int, e *edgeInfo) string { w := rpt.formatValue(e.weight) attr := fmt.Sprintf(`label=" %s"`, w) if rpt.total > 0 { if weight := 1 + int(e.weight*100/rpt.total); weight > 1 { attr = fmt.Sprintf(`%s weight=%d`, attr, weight) } if width := 1 + int(e.weight*5/rpt.total); width > 1 { attr = fmt.Sprintf(`%s penwidth=%d`, attr, width) } } arrow := "->" if e.residual { arrow = "..." } tooltip := fmt.Sprintf(`"%s %s %s (%s)"`, e.src.info.prettyName(), arrow, e.dest.info.prettyName(), w) attr = fmt.Sprintf(`%s tooltip=%s labeltooltip=%s`, attr, tooltip, tooltip) if e.residual { attr = attr + ` style="dotted"` } if len(e.src.tags) > 0 { // Separate children further if source has tags. attr = attr + " minlen=2" } return fmt.Sprintf("N%d -> N%d [%s]", from, to, attr) }
[ "func", "dotEdge", "(", "rpt", "*", "Report", ",", "from", ",", "to", "int", ",", "e", "*", "edgeInfo", ")", "string", "{", "w", ":=", "rpt", ".", "formatValue", "(", "e", ".", "weight", ")", "\n", "attr", ":=", "fmt", ".", "Sprintf", "(", "`label=\" %s\"`", ",", "w", ")", "\n", "if", "rpt", ".", "total", ">", "0", "{", "if", "weight", ":=", "1", "+", "int", "(", "e", ".", "weight", "*", "100", "/", "rpt", ".", "total", ")", ";", "weight", ">", "1", "{", "attr", "=", "fmt", ".", "Sprintf", "(", "`%s weight=%d`", ",", "attr", ",", "weight", ")", "\n", "}", "\n", "if", "width", ":=", "1", "+", "int", "(", "e", ".", "weight", "*", "5", "/", "rpt", ".", "total", ")", ";", "width", ">", "1", "{", "attr", "=", "fmt", ".", "Sprintf", "(", "`%s penwidth=%d`", ",", "attr", ",", "width", ")", "\n", "}", "\n", "}", "\n", "arrow", ":=", "\"", "\"", "\n", "if", "e", ".", "residual", "{", "arrow", "=", "\"", "\"", "\n", "}", "\n", "tooltip", ":=", "fmt", ".", "Sprintf", "(", "`\"%s %s %s (%s)\"`", ",", "e", ".", "src", ".", "info", ".", "prettyName", "(", ")", ",", "arrow", ",", "e", ".", "dest", ".", "info", ".", "prettyName", "(", ")", ",", "w", ")", "\n", "attr", "=", "fmt", ".", "Sprintf", "(", "`%s tooltip=%s labeltooltip=%s`", ",", "attr", ",", "tooltip", ",", "tooltip", ")", "\n\n", "if", "e", ".", "residual", "{", "attr", "=", "attr", "+", "` style=\"dotted\"`", "\n", "}", "\n\n", "if", "len", "(", "e", ".", "src", ".", "tags", ")", ">", "0", "{", "// Separate children further if source has tags.", "attr", "=", "attr", "+", "\"", "\"", "\n", "}", "\n", "return", "fmt", ".", "Sprintf", "(", "\"", "\"", ",", "from", ",", "to", ",", "attr", ")", "\n", "}" ]
// dotEdge generates a graph edge in DOT format.
[ "dotEdge", "generates", "a", "graph", "edge", "in", "DOT", "format", "." ]
183a9e70f4777aa03d377d21a0ed023a6afac141
https://github.com/rakyll/gom/blob/183a9e70f4777aa03d377d21a0ed023a6afac141/internal/report/report.go#L695-L724
1,476
rakyll/gom
internal/report/report.go
dotNodelets
func dotNodelets(rpt *Report, rIndex int, n *node) (dot string) { const maxNodelets = 4 // Number of nodelets for alphanumeric labels const maxNumNodelets = 4 // Number of nodelets for numeric labels var ts, nts tags for _, t := range n.tags { if t.unit == "" { ts = append(ts, t) } else { nts = append(nts, t) } } // Select the top maxNodelets alphanumeric labels by weight sort.Sort(ts) if len(ts) > maxNodelets { ts = ts[:maxNodelets] } for i, t := range ts { weight := rpt.formatValue(t.weight) dot += fmt.Sprintf(`N%d_%d [label = "%s" fontsize=8 shape=box3d tooltip="%s"]`+"\n", rIndex, i, t.name, weight) dot += fmt.Sprintf(`N%d -> N%d_%d [label=" %s" weight=100 tooltip="\L" labeltooltip="\L"]`+"\n", rIndex, rIndex, i, weight) } // Collapse numeric labels into maxNumNodelets buckets, of the form: // 1MB..2MB, 3MB..5MB, ... nts = collapseTags(nts, maxNumNodelets) sort.Sort(nts) for i, t := range nts { weight := rpt.formatValue(t.weight) dot += fmt.Sprintf(`NN%d_%d [label = "%s" fontsize=8 shape=box3d tooltip="%s"]`+"\n", rIndex, i, t.name, weight) dot += fmt.Sprintf(`N%d -> NN%d_%d [label=" %s" weight=100 tooltip="\L" labeltooltip="\L"]`+"\n", rIndex, rIndex, i, weight) } return dot }
go
func dotNodelets(rpt *Report, rIndex int, n *node) (dot string) { const maxNodelets = 4 // Number of nodelets for alphanumeric labels const maxNumNodelets = 4 // Number of nodelets for numeric labels var ts, nts tags for _, t := range n.tags { if t.unit == "" { ts = append(ts, t) } else { nts = append(nts, t) } } // Select the top maxNodelets alphanumeric labels by weight sort.Sort(ts) if len(ts) > maxNodelets { ts = ts[:maxNodelets] } for i, t := range ts { weight := rpt.formatValue(t.weight) dot += fmt.Sprintf(`N%d_%d [label = "%s" fontsize=8 shape=box3d tooltip="%s"]`+"\n", rIndex, i, t.name, weight) dot += fmt.Sprintf(`N%d -> N%d_%d [label=" %s" weight=100 tooltip="\L" labeltooltip="\L"]`+"\n", rIndex, rIndex, i, weight) } // Collapse numeric labels into maxNumNodelets buckets, of the form: // 1MB..2MB, 3MB..5MB, ... nts = collapseTags(nts, maxNumNodelets) sort.Sort(nts) for i, t := range nts { weight := rpt.formatValue(t.weight) dot += fmt.Sprintf(`NN%d_%d [label = "%s" fontsize=8 shape=box3d tooltip="%s"]`+"\n", rIndex, i, t.name, weight) dot += fmt.Sprintf(`N%d -> NN%d_%d [label=" %s" weight=100 tooltip="\L" labeltooltip="\L"]`+"\n", rIndex, rIndex, i, weight) } return dot }
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// dotNodelets generates the DOT boxes for the node tags.
[ "dotNodelets", "generates", "the", "DOT", "boxes", "for", "the", "node", "tags", "." ]
183a9e70f4777aa03d377d21a0ed023a6afac141
https://github.com/rakyll/gom/blob/183a9e70f4777aa03d377d21a0ed023a6afac141/internal/report/report.go#L727-L762
1,477
rakyll/gom
internal/report/report.go
collapseTags
func collapseTags(ts tags, count int) tags { if len(ts) <= count { return ts } sort.Sort(ts) tagGroups := make([]tags, count) for i, t := range ts[:count] { tagGroups[i] = tags{t} } for _, t := range ts[count:] { g, d := 0, tagDistance(t, tagGroups[0][0]) for i := 1; i < count; i++ { if nd := tagDistance(t, tagGroups[i][0]); nd < d { g, d = i, nd } } tagGroups[g] = append(tagGroups[g], t) } var nts tags for _, g := range tagGroups { l, w := tagGroupLabel(g) nts = append(nts, &tag{ name: l, weight: w, }) } return nts }
go
func collapseTags(ts tags, count int) tags { if len(ts) <= count { return ts } sort.Sort(ts) tagGroups := make([]tags, count) for i, t := range ts[:count] { tagGroups[i] = tags{t} } for _, t := range ts[count:] { g, d := 0, tagDistance(t, tagGroups[0][0]) for i := 1; i < count; i++ { if nd := tagDistance(t, tagGroups[i][0]); nd < d { g, d = i, nd } } tagGroups[g] = append(tagGroups[g], t) } var nts tags for _, g := range tagGroups { l, w := tagGroupLabel(g) nts = append(nts, &tag{ name: l, weight: w, }) } return nts }
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// collapseTags reduces the number of entries in a tagMap by merging // adjacent nodes into ranges. It uses a greedy approach to merge // starting with the entries with the lowest weight.
[ "collapseTags", "reduces", "the", "number", "of", "entries", "in", "a", "tagMap", "by", "merging", "adjacent", "nodes", "into", "ranges", ".", "It", "uses", "a", "greedy", "approach", "to", "merge", "starting", "with", "the", "entries", "with", "the", "lowest", "weight", "." ]
183a9e70f4777aa03d377d21a0ed023a6afac141
https://github.com/rakyll/gom/blob/183a9e70f4777aa03d377d21a0ed023a6afac141/internal/report/report.go#L869-L898
1,478
rakyll/gom
internal/report/report.go
sumNodes
func sumNodes(ns nodes) (flat int64, cum int64) { for _, n := range ns { flat += n.flat cum += n.cum } return }
go
func sumNodes(ns nodes) (flat int64, cum int64) { for _, n := range ns { flat += n.flat cum += n.cum } return }
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// sumNodes adds the flat and sum values on a report.
[ "sumNodes", "adds", "the", "flat", "and", "sum", "values", "on", "a", "report", "." ]
183a9e70f4777aa03d377d21a0ed023a6afac141
https://github.com/rakyll/gom/blob/183a9e70f4777aa03d377d21a0ed023a6afac141/internal/report/report.go#L930-L936
1,479
rakyll/gom
internal/report/report.go
bumpWeight
func bumpWeight(from, to *node, w int64, residual bool) { if from.out[to] != to.in[from] { panic(fmt.Errorf("asymmetric edges %v %v", *from, *to)) } if n := from.out[to]; n != nil { n.weight += w if n.residual && !residual { n.residual = false } return } info := &edgeInfo{src: from, dest: to, weight: w, residual: residual} from.out[to] = info to.in[from] = info }
go
func bumpWeight(from, to *node, w int64, residual bool) { if from.out[to] != to.in[from] { panic(fmt.Errorf("asymmetric edges %v %v", *from, *to)) } if n := from.out[to]; n != nil { n.weight += w if n.residual && !residual { n.residual = false } return } info := &edgeInfo{src: from, dest: to, weight: w, residual: residual} from.out[to] = info to.in[from] = info }
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// bumpWeight increases the weight of an edge. If there isn't such an // edge in the map one is created.
[ "bumpWeight", "increases", "the", "weight", "of", "an", "edge", ".", "If", "there", "isn", "t", "such", "an", "edge", "in", "the", "map", "one", "is", "created", "." ]
183a9e70f4777aa03d377d21a0ed023a6afac141
https://github.com/rakyll/gom/blob/183a9e70f4777aa03d377d21a0ed023a6afac141/internal/report/report.go#L952-L968
1,480
rakyll/gom
internal/report/report.go
newGraph
func newGraph(rpt *Report) (g graph, err error) { prof := rpt.prof o := rpt.options // Generate a tree for graphical output if requested. buildTree := o.CallTree && o.OutputFormat == Dot locations := make(map[uint64][]nodeInfo) for _, l := range prof.Location { locations[l.ID] = newLocInfo(l) } nm := make(nodeMap) for _, sample := range prof.Sample { if sample.Location == nil { continue } // Construct list of node names for sample. var stack []nodeInfo for _, loc := range sample.Location { id := loc.ID stack = append(stack, locations[id]...) } // Upfront pass to update the parent chains, to prevent the // merging of nodes with different parents. if buildTree { var nn *node for i := len(stack); i > 0; i-- { n := &stack[i-1] n.parent = nn nn = nm.findOrInsertNode(*n) } } leaf := nm.findOrInsertNode(stack[0]) weight := rpt.sampleValue(sample) leaf.addTags(sample, weight) // Aggregate counter data. leaf.flat += weight seen := make(map[*node]bool) var nn *node for _, s := range stack { n := nm.findOrInsertNode(s) if !seen[n] { seen[n] = true n.cum += weight if nn != nil { bumpWeight(n, nn, weight, false) } } nn = n } } // Collect new nodes into a report. ns := make(nodes, 0, len(nm)) for _, n := range nm { if rpt.options.DropNegative && n.flat < 0 { continue } ns = append(ns, n) } return graph{ns}, nil }
go
func newGraph(rpt *Report) (g graph, err error) { prof := rpt.prof o := rpt.options // Generate a tree for graphical output if requested. buildTree := o.CallTree && o.OutputFormat == Dot locations := make(map[uint64][]nodeInfo) for _, l := range prof.Location { locations[l.ID] = newLocInfo(l) } nm := make(nodeMap) for _, sample := range prof.Sample { if sample.Location == nil { continue } // Construct list of node names for sample. var stack []nodeInfo for _, loc := range sample.Location { id := loc.ID stack = append(stack, locations[id]...) } // Upfront pass to update the parent chains, to prevent the // merging of nodes with different parents. if buildTree { var nn *node for i := len(stack); i > 0; i-- { n := &stack[i-1] n.parent = nn nn = nm.findOrInsertNode(*n) } } leaf := nm.findOrInsertNode(stack[0]) weight := rpt.sampleValue(sample) leaf.addTags(sample, weight) // Aggregate counter data. leaf.flat += weight seen := make(map[*node]bool) var nn *node for _, s := range stack { n := nm.findOrInsertNode(s) if !seen[n] { seen[n] = true n.cum += weight if nn != nil { bumpWeight(n, nn, weight, false) } } nn = n } } // Collect new nodes into a report. ns := make(nodes, 0, len(nm)) for _, n := range nm { if rpt.options.DropNegative && n.flat < 0 { continue } ns = append(ns, n) } return graph{ns}, nil }
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// newGraph summarizes performance data from a profile into a graph.
[ "newGraph", "summarizes", "performance", "data", "from", "a", "profile", "into", "a", "graph", "." ]
183a9e70f4777aa03d377d21a0ed023a6afac141
https://github.com/rakyll/gom/blob/183a9e70f4777aa03d377d21a0ed023a6afac141/internal/report/report.go#L1008-L1076
1,481
rakyll/gom
internal/report/report.go
newLocInfo
func newLocInfo(l *profile.Location) []nodeInfo { var objfile string if m := l.Mapping; m != nil { objfile = filepath.Base(m.File) } if len(l.Line) == 0 { return []nodeInfo{ { address: l.Address, objfile: objfile, }, } } var info []nodeInfo numInlineFrames := len(l.Line) - 1 for li, line := range l.Line { ni := nodeInfo{ address: l.Address, lineno: int(line.Line), inline: li < numInlineFrames, objfile: objfile, } if line.Function != nil { ni.name = line.Function.Name ni.origName = line.Function.SystemName ni.file = line.Function.Filename ni.startLine = int(line.Function.StartLine) } info = append(info, ni) } return info }
go
func newLocInfo(l *profile.Location) []nodeInfo { var objfile string if m := l.Mapping; m != nil { objfile = filepath.Base(m.File) } if len(l.Line) == 0 { return []nodeInfo{ { address: l.Address, objfile: objfile, }, } } var info []nodeInfo numInlineFrames := len(l.Line) - 1 for li, line := range l.Line { ni := nodeInfo{ address: l.Address, lineno: int(line.Line), inline: li < numInlineFrames, objfile: objfile, } if line.Function != nil { ni.name = line.Function.Name ni.origName = line.Function.SystemName ni.file = line.Function.Filename ni.startLine = int(line.Function.StartLine) } info = append(info, ni) } return info }
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// Create a slice of formatted names for a location.
[ "Create", "a", "slice", "of", "formatted", "names", "for", "a", "location", "." ]
183a9e70f4777aa03d377d21a0ed023a6afac141
https://github.com/rakyll/gom/blob/183a9e70f4777aa03d377d21a0ed023a6afac141/internal/report/report.go#L1079-L1114
1,482
rakyll/gom
internal/report/report.go
countEdges
func countEdges(el edgeMap, cutoff int64) int { count := 0 for _, e := range el { if e.weight > cutoff { count++ } } return count }
go
func countEdges(el edgeMap, cutoff int64) int { count := 0 for _, e := range el { if e.weight > cutoff { count++ } } return count }
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// countEdges counts the number of edges below the specified cutoff.
[ "countEdges", "counts", "the", "number", "of", "edges", "below", "the", "specified", "cutoff", "." ]
183a9e70f4777aa03d377d21a0ed023a6afac141
https://github.com/rakyll/gom/blob/183a9e70f4777aa03d377d21a0ed023a6afac141/internal/report/report.go#L1275-L1283
1,483
rakyll/gom
internal/report/report.go
removeRedundantEdges
func removeRedundantEdges(ns nodes) { // Walk the nodes and outgoing edges in reverse order to prefer // removing edges with the lowest weight. for i := len(ns); i > 0; i-- { n := ns[i-1] in := sortedEdges(n.in) for j := len(in); j > 0; j-- { if e := in[j-1]; e.residual && isRedundant(e) { delete(e.src.out, e.dest) delete(e.dest.in, e.src) } } } }
go
func removeRedundantEdges(ns nodes) { // Walk the nodes and outgoing edges in reverse order to prefer // removing edges with the lowest weight. for i := len(ns); i > 0; i-- { n := ns[i-1] in := sortedEdges(n.in) for j := len(in); j > 0; j-- { if e := in[j-1]; e.residual && isRedundant(e) { delete(e.src.out, e.dest) delete(e.dest.in, e.src) } } } }
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// removeRedundantEdges removes residual edges if the destination can // be reached through another path. This is done to simplify the graph // while preserving connectivity.
[ "removeRedundantEdges", "removes", "residual", "edges", "if", "the", "destination", "can", "be", "reached", "through", "another", "path", ".", "This", "is", "done", "to", "simplify", "the", "graph", "while", "preserving", "connectivity", "." ]
183a9e70f4777aa03d377d21a0ed023a6afac141
https://github.com/rakyll/gom/blob/183a9e70f4777aa03d377d21a0ed023a6afac141/internal/report/report.go#L1314-L1327
1,484
rakyll/gom
internal/report/report.go
isRedundant
func isRedundant(e *edgeInfo) bool { destPred := predecessors(e, e.dest) if len(destPred) == 1 { return false } srcPred := predecessors(e, e.src) for n := range srcPred { if destPred[n] && n != e.dest { return true } } return false }
go
func isRedundant(e *edgeInfo) bool { destPred := predecessors(e, e.dest) if len(destPred) == 1 { return false } srcPred := predecessors(e, e.src) for n := range srcPred { if destPred[n] && n != e.dest { return true } } return false }
[ "func", "isRedundant", "(", "e", "*", "edgeInfo", ")", "bool", "{", "destPred", ":=", "predecessors", "(", "e", ",", "e", ".", "dest", ")", "\n", "if", "len", "(", "destPred", ")", "==", "1", "{", "return", "false", "\n", "}", "\n", "srcPred", ":=", "predecessors", "(", "e", ",", "e", ".", "src", ")", "\n\n", "for", "n", ":=", "range", "srcPred", "{", "if", "destPred", "[", "n", "]", "&&", "n", "!=", "e", ".", "dest", "{", "return", "true", "\n", "}", "\n", "}", "\n", "return", "false", "\n", "}" ]
// isRedundant determines if an edge can be removed without impacting // connectivity of the whole graph. This is implemented by checking if the // nodes have a common ancestor after removing the edge.
[ "isRedundant", "determines", "if", "an", "edge", "can", "be", "removed", "without", "impacting", "connectivity", "of", "the", "whole", "graph", ".", "This", "is", "implemented", "by", "checking", "if", "the", "nodes", "have", "a", "common", "ancestor", "after", "removing", "the", "edge", "." ]
183a9e70f4777aa03d377d21a0ed023a6afac141
https://github.com/rakyll/gom/blob/183a9e70f4777aa03d377d21a0ed023a6afac141/internal/report/report.go#L1332-L1345
1,485
rakyll/gom
internal/report/report.go
predecessors
func predecessors(e *edgeInfo, n *node) map[*node]bool { seen := map[*node]bool{n: true} queue := []*node{n} for len(queue) > 0 { n := queue[0] queue = queue[1:] for _, ie := range n.in { if e == ie || seen[ie.src] { continue } seen[ie.src] = true queue = append(queue, ie.src) } } return seen }
go
func predecessors(e *edgeInfo, n *node) map[*node]bool { seen := map[*node]bool{n: true} queue := []*node{n} for len(queue) > 0 { n := queue[0] queue = queue[1:] for _, ie := range n.in { if e == ie || seen[ie.src] { continue } seen[ie.src] = true queue = append(queue, ie.src) } } return seen }
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// predecessors collects all the predecessors to node n, excluding edge e.
[ "predecessors", "collects", "all", "the", "predecessors", "to", "node", "n", "excluding", "edge", "e", "." ]
183a9e70f4777aa03d377d21a0ed023a6afac141
https://github.com/rakyll/gom/blob/183a9e70f4777aa03d377d21a0ed023a6afac141/internal/report/report.go#L1348-L1363
1,486
rakyll/gom
internal/report/report.go
ScaleValue
func ScaleValue(value int64, fromUnit, toUnit string) (sv float64, su string) { // Avoid infinite recursion on overflow. if value < 0 && -value > 0 { v, u := ScaleValue(-value, fromUnit, toUnit) return -v, u } if m, u, ok := memoryLabel(value, fromUnit, toUnit); ok { return m, u } if t, u, ok := timeLabel(value, fromUnit, toUnit); ok { return t, u } // Skip non-interesting units. switch toUnit { case "count", "sample", "unit", "minimum": return float64(value), "" default: return float64(value), toUnit } }
go
func ScaleValue(value int64, fromUnit, toUnit string) (sv float64, su string) { // Avoid infinite recursion on overflow. if value < 0 && -value > 0 { v, u := ScaleValue(-value, fromUnit, toUnit) return -v, u } if m, u, ok := memoryLabel(value, fromUnit, toUnit); ok { return m, u } if t, u, ok := timeLabel(value, fromUnit, toUnit); ok { return t, u } // Skip non-interesting units. switch toUnit { case "count", "sample", "unit", "minimum": return float64(value), "" default: return float64(value), toUnit } }
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// ScaleValue reformats a value from a unit to a different unit.
[ "ScaleValue", "reformats", "a", "value", "from", "a", "unit", "to", "a", "different", "unit", "." ]
183a9e70f4777aa03d377d21a0ed023a6afac141
https://github.com/rakyll/gom/blob/183a9e70f4777aa03d377d21a0ed023a6afac141/internal/report/report.go#L1510-L1529
1,487
rakyll/gom
internal/report/report.go
prettyName
func (info *nodeInfo) prettyName() string { var name string if info.address != 0 { name = fmt.Sprintf("%016x", info.address) } if info.name != "" { name = name + " " + info.name } if info.file != "" { name += " " + trimPath(info.file) if info.lineno != 0 { name += fmt.Sprintf(":%d", info.lineno) } } if info.inline { name = name + " (inline)" } if name = strings.TrimSpace(name); name == "" && info.objfile != "" { name = "[" + info.objfile + "]" } return name }
go
func (info *nodeInfo) prettyName() string { var name string if info.address != 0 { name = fmt.Sprintf("%016x", info.address) } if info.name != "" { name = name + " " + info.name } if info.file != "" { name += " " + trimPath(info.file) if info.lineno != 0 { name += fmt.Sprintf(":%d", info.lineno) } } if info.inline { name = name + " (inline)" } if name = strings.TrimSpace(name); name == "" && info.objfile != "" { name = "[" + info.objfile + "]" } return name }
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// prettyName determines the printable name to be used for a node.
[ "prettyName", "determines", "the", "printable", "name", "to", "be", "used", "for", "a", "node", "." ]
183a9e70f4777aa03d377d21a0ed023a6afac141
https://github.com/rakyll/gom/blob/183a9e70f4777aa03d377d21a0ed023a6afac141/internal/report/report.go#L1662-L1687
1,488
rakyll/gom
internal/report/report.go
NewDefault
func NewDefault(prof *profile.Profile, options Options) *Report { index := len(prof.SampleType) - 1 o := &options if o.SampleUnit == "" { o.SampleUnit = strings.ToLower(prof.SampleType[index].Unit) } value := func(s *profile.Sample) int64 { return s.Value[index] } format := func(v int64) string { if r := o.Ratio; r > 0 && r != 1 { fv := float64(v) * r v = int64(fv) } return scaledValueLabel(v, o.SampleUnit, o.OutputUnit) } return &Report{prof, computeTotal(prof, value), o, value, format} }
go
func NewDefault(prof *profile.Profile, options Options) *Report { index := len(prof.SampleType) - 1 o := &options if o.SampleUnit == "" { o.SampleUnit = strings.ToLower(prof.SampleType[index].Unit) } value := func(s *profile.Sample) int64 { return s.Value[index] } format := func(v int64) string { if r := o.Ratio; r > 0 && r != 1 { fv := float64(v) * r v = int64(fv) } return scaledValueLabel(v, o.SampleUnit, o.OutputUnit) } return &Report{prof, computeTotal(prof, value), o, value, format} }
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// NewDefault builds a new report indexing the sample values with the // last value available.
[ "NewDefault", "builds", "a", "new", "report", "indexing", "the", "sample", "values", "with", "the", "last", "value", "available", "." ]
183a9e70f4777aa03d377d21a0ed023a6afac141
https://github.com/rakyll/gom/blob/183a9e70f4777aa03d377d21a0ed023a6afac141/internal/report/report.go#L1708-L1725
1,489
rakyll/gom
internal/commands/commands.go
NewCompleter
func NewCompleter(cs Commands) Completer { return func(line string) string { switch tokens := strings.Fields(line); len(tokens) { case 0: // Nothing to complete case 1: // Single token -- complete command name found := "" for c := range cs { if strings.HasPrefix(c, tokens[0]) { if found != "" { return line } found = c } } if found != "" { return found } default: // Multiple tokens -- complete using command completer if c, ok := cs[tokens[0]]; ok { if c.Complete != nil { lastTokenIdx := len(tokens) - 1 lastToken := tokens[lastTokenIdx] if strings.HasPrefix(lastToken, "-") { lastToken = "-" + c.Complete(lastToken[1:]) } else { lastToken = c.Complete(lastToken) } return strings.Join(append(tokens[:lastTokenIdx], lastToken), " ") } } } return line } }
go
func NewCompleter(cs Commands) Completer { return func(line string) string { switch tokens := strings.Fields(line); len(tokens) { case 0: // Nothing to complete case 1: // Single token -- complete command name found := "" for c := range cs { if strings.HasPrefix(c, tokens[0]) { if found != "" { return line } found = c } } if found != "" { return found } default: // Multiple tokens -- complete using command completer if c, ok := cs[tokens[0]]; ok { if c.Complete != nil { lastTokenIdx := len(tokens) - 1 lastToken := tokens[lastTokenIdx] if strings.HasPrefix(lastToken, "-") { lastToken = "-" + c.Complete(lastToken[1:]) } else { lastToken = c.Complete(lastToken) } return strings.Join(append(tokens[:lastTokenIdx], lastToken), " ") } } } return line } }
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// NewCompleter creates an autocompletion function for a set of commands.
[ "NewCompleter", "creates", "an", "autocompletion", "function", "for", "a", "set", "of", "commands", "." ]
183a9e70f4777aa03d377d21a0ed023a6afac141
https://github.com/rakyll/gom/blob/183a9e70f4777aa03d377d21a0ed023a6afac141/internal/commands/commands.go#L104-L140
1,490
rakyll/gom
internal/fetch/fetch.go
Fetcher
func Fetcher(source string, timeout time.Duration, ui plugin.UI) (*profile.Profile, error) { var f io.ReadCloser var err error url, err := url.Parse(source) if err == nil && url.Host != "" { f, err = FetchURL(source, timeout) } else { f, err = os.Open(source) } if err != nil { return nil, err } defer f.Close() return profile.Parse(f) }
go
func Fetcher(source string, timeout time.Duration, ui plugin.UI) (*profile.Profile, error) { var f io.ReadCloser var err error url, err := url.Parse(source) if err == nil && url.Host != "" { f, err = FetchURL(source, timeout) } else { f, err = os.Open(source) } if err != nil { return nil, err } defer f.Close() return profile.Parse(f) }
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// Fetcher is the plugin.Fetcher version of FetchProfile.
[ "Fetcher", "is", "the", "plugin", ".", "Fetcher", "version", "of", "FetchProfile", "." ]
183a9e70f4777aa03d377d21a0ed023a6afac141
https://github.com/rakyll/gom/blob/183a9e70f4777aa03d377d21a0ed023a6afac141/internal/fetch/fetch.go#L30-L45
1,491
rakyll/gom
internal/fetch/fetch.go
FetchURL
func FetchURL(source string, timeout time.Duration) (io.ReadCloser, error) { resp, err := httpGet(source, timeout) if err != nil { return nil, fmt.Errorf("http fetch %s: %v", source, err) } if resp.StatusCode != http.StatusOK { return nil, fmt.Errorf("server response: %s", resp.Status) } return resp.Body, nil }
go
func FetchURL(source string, timeout time.Duration) (io.ReadCloser, error) { resp, err := httpGet(source, timeout) if err != nil { return nil, fmt.Errorf("http fetch %s: %v", source, err) } if resp.StatusCode != http.StatusOK { return nil, fmt.Errorf("server response: %s", resp.Status) } return resp.Body, nil }
[ "func", "FetchURL", "(", "source", "string", ",", "timeout", "time", ".", "Duration", ")", "(", "io", ".", "ReadCloser", ",", "error", ")", "{", "resp", ",", "err", ":=", "httpGet", "(", "source", ",", "timeout", ")", "\n", "if", "err", "!=", "nil", "{", "return", "nil", ",", "fmt", ".", "Errorf", "(", "\"", "\"", ",", "source", ",", "err", ")", "\n", "}", "\n", "if", "resp", ".", "StatusCode", "!=", "http", ".", "StatusOK", "{", "return", "nil", ",", "fmt", ".", "Errorf", "(", "\"", "\"", ",", "resp", ".", "Status", ")", "\n", "}", "\n\n", "return", "resp", ".", "Body", ",", "nil", "\n", "}" ]
// FetchURL fetches a profile from a URL using HTTP.
[ "FetchURL", "fetches", "a", "profile", "from", "a", "URL", "using", "HTTP", "." ]
183a9e70f4777aa03d377d21a0ed023a6afac141
https://github.com/rakyll/gom/blob/183a9e70f4777aa03d377d21a0ed023a6afac141/internal/fetch/fetch.go#L48-L58
1,492
rakyll/gom
internal/fetch/fetch.go
PostURL
func PostURL(source, post string) ([]byte, error) { resp, err := http.Post(source, "application/octet-stream", strings.NewReader(post)) if err != nil { return nil, fmt.Errorf("http post %s: %v", source, err) } if resp.StatusCode != http.StatusOK { return nil, fmt.Errorf("server response: %s", resp.Status) } defer resp.Body.Close() return ioutil.ReadAll(resp.Body) }
go
func PostURL(source, post string) ([]byte, error) { resp, err := http.Post(source, "application/octet-stream", strings.NewReader(post)) if err != nil { return nil, fmt.Errorf("http post %s: %v", source, err) } if resp.StatusCode != http.StatusOK { return nil, fmt.Errorf("server response: %s", resp.Status) } defer resp.Body.Close() return ioutil.ReadAll(resp.Body) }
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// PostURL issues a POST to a URL over HTTP.
[ "PostURL", "issues", "a", "POST", "to", "a", "URL", "over", "HTTP", "." ]
183a9e70f4777aa03d377d21a0ed023a6afac141
https://github.com/rakyll/gom/blob/183a9e70f4777aa03d377d21a0ed023a6afac141/internal/fetch/fetch.go#L61-L71
1,493
rakyll/gom
cmd/gom/report.go
fetch
func (r *report) fetch(force bool, secs time.Duration) error { r.mu.Lock() defer r.mu.Unlock() if r.p != nil && !force { return nil } if secs == 0 { secs = 60 * time.Second } url := fmt.Sprintf("%s/debug/_gom?view=profile&name=%s", *target, r.name) p, err := fetch.FetchProfile(url, secs) if err != nil { return err } if err := symbolz.Symbolize(fmt.Sprintf("%s/debug/_gom?view=symbol", *target), fetch.PostURL, p); err != nil { return err } r.p = p return nil }
go
func (r *report) fetch(force bool, secs time.Duration) error { r.mu.Lock() defer r.mu.Unlock() if r.p != nil && !force { return nil } if secs == 0 { secs = 60 * time.Second } url := fmt.Sprintf("%s/debug/_gom?view=profile&name=%s", *target, r.name) p, err := fetch.FetchProfile(url, secs) if err != nil { return err } if err := symbolz.Symbolize(fmt.Sprintf("%s/debug/_gom?view=symbol", *target), fetch.PostURL, p); err != nil { return err } r.p = p return nil }
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// fetch fetches the current profile and the symbols from the target program.
[ "fetch", "fetches", "the", "current", "profile", "and", "the", "symbols", "from", "the", "target", "program", "." ]
183a9e70f4777aa03d377d21a0ed023a6afac141
https://github.com/rakyll/gom/blob/183a9e70f4777aa03d377d21a0ed023a6afac141/cmd/gom/report.go#L39-L58
1,494
rakyll/gom
cmd/gom/report.go
filter
func (r *report) filter(cum bool, focus *regexp.Regexp) []string { r.mu.Lock() defer r.mu.Unlock() if r.p == nil { return nil } c := r.p.Copy() c.FilterSamplesByName(focus, nil, nil) rpt := goreport.NewDefault(c, goreport.Options{ OutputFormat: goreport.Text, CumSort: cum, PrintAddresses: true, }) buf := bytes.NewBuffer(nil) goreport.Generate(buf, rpt, nil) return strings.Split(buf.String(), "\n") }
go
func (r *report) filter(cum bool, focus *regexp.Regexp) []string { r.mu.Lock() defer r.mu.Unlock() if r.p == nil { return nil } c := r.p.Copy() c.FilterSamplesByName(focus, nil, nil) rpt := goreport.NewDefault(c, goreport.Options{ OutputFormat: goreport.Text, CumSort: cum, PrintAddresses: true, }) buf := bytes.NewBuffer(nil) goreport.Generate(buf, rpt, nil) return strings.Split(buf.String(), "\n") }
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// filter filters the report with a focus regex. If no focus is provided, // it reports back with the entire set of calls. // Focus regex works on the package, type and function names. Filtered // results will include parent samples from the call graph.
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183a9e70f4777aa03d377d21a0ed023a6afac141
https://github.com/rakyll/gom/blob/183a9e70f4777aa03d377d21a0ed023a6afac141/cmd/gom/report.go#L64-L80
1,495
rakyll/gom
internal/driver/interactive.go
functionCompleter
func functionCompleter(substring string) string { found := "" for _, fName := range profileFunctionNames { if strings.Contains(fName, substring) { if found != "" { return substring } found = fName } } if found != "" { return found } return substring }
go
func functionCompleter(substring string) string { found := "" for _, fName := range profileFunctionNames { if strings.Contains(fName, substring) { if found != "" { return substring } found = fName } } if found != "" { return found } return substring }
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// functionCompleter replaces provided substring with a function // name retrieved from a profile if a single match exists. Otherwise, // it returns unchanged substring. It defaults to no-op if the profile // is not specified.
[ "functionCompleter", "replaces", "provided", "substring", "with", "a", "function", "name", "retrieved", "from", "a", "profile", "if", "a", "single", "match", "exists", ".", "Otherwise", "it", "returns", "unchanged", "substring", ".", "It", "defaults", "to", "no", "-", "op", "if", "the", "profile", "is", "not", "specified", "." ]
183a9e70f4777aa03d377d21a0ed023a6afac141
https://github.com/rakyll/gom/blob/183a9e70f4777aa03d377d21a0ed023a6afac141/internal/driver/interactive.go#L26-L40
1,496
rakyll/gom
internal/driver/interactive.go
updateAutoComplete
func updateAutoComplete(p *profile.Profile) { profileFunctionNames = nil // remove function names retrieved previously for _, fn := range p.Function { profileFunctionNames = append(profileFunctionNames, fn.Name) } }
go
func updateAutoComplete(p *profile.Profile) { profileFunctionNames = nil // remove function names retrieved previously for _, fn := range p.Function { profileFunctionNames = append(profileFunctionNames, fn.Name) } }
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// updateAutoComplete enhances autocompletion with information that can be // retrieved from the profile
[ "updateAutoComplete", "enhances", "autocompletion", "with", "information", "that", "can", "be", "retrieved", "from", "the", "profile" ]
183a9e70f4777aa03d377d21a0ed023a6afac141
https://github.com/rakyll/gom/blob/183a9e70f4777aa03d377d21a0ed023a6afac141/internal/driver/interactive.go#L44-L49
1,497
rakyll/gom
internal/driver/interactive.go
validateRegex
func validateRegex(v string) error { _, err := regexp.Compile(v) return err }
go
func validateRegex(v string) error { _, err := regexp.Compile(v) return err }
[ "func", "validateRegex", "(", "v", "string", ")", "error", "{", "_", ",", "err", ":=", "regexp", ".", "Compile", "(", "v", ")", "\n", "return", "err", "\n", "}" ]
// validateRegex checks if a string is a valid regular expression.
[ "validateRegex", "checks", "if", "a", "string", "is", "a", "valid", "regular", "expression", "." ]
183a9e70f4777aa03d377d21a0ed023a6afac141
https://github.com/rakyll/gom/blob/183a9e70f4777aa03d377d21a0ed023a6afac141/internal/driver/interactive.go#L137-L140
1,498
rakyll/gom
internal/driver/interactive.go
readCommand
func readCommand(p *profile.Profile, ui plugin.UI, f *flags) (string, error) { //ui.Print("Options:\n", f.String(p)) s, err := ui.ReadLine() return strings.TrimSpace(s), err }
go
func readCommand(p *profile.Profile, ui plugin.UI, f *flags) (string, error) { //ui.Print("Options:\n", f.String(p)) s, err := ui.ReadLine() return strings.TrimSpace(s), err }
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// readCommand prompts for and reads the next command.
[ "readCommand", "prompts", "for", "and", "reads", "the", "next", "command", "." ]
183a9e70f4777aa03d377d21a0ed023a6afac141
https://github.com/rakyll/gom/blob/183a9e70f4777aa03d377d21a0ed023a6afac141/internal/driver/interactive.go#L143-L147
1,499
rakyll/gom
internal/driver/interactive.go
parseBool
func parseBool(v string) (bool, error) { switch strings.ToLower(v) { case "true", "t", "yes", "y", "1", "": return true, nil case "false", "f", "no", "n", "0": return false, nil } return false, fmt.Errorf(`illegal input "%s" for bool value`, v) }
go
func parseBool(v string) (bool, error) { switch strings.ToLower(v) { case "true", "t", "yes", "y", "1", "": return true, nil case "false", "f", "no", "n", "0": return false, nil } return false, fmt.Errorf(`illegal input "%s" for bool value`, v) }
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// parseBool parses a string as a boolean value.
[ "parseBool", "parses", "a", "string", "as", "a", "boolean", "value", "." ]
183a9e70f4777aa03d377d21a0ed023a6afac141
https://github.com/rakyll/gom/blob/183a9e70f4777aa03d377d21a0ed023a6afac141/internal/driver/interactive.go#L449-L457