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import gradio as gr
from Crypto.Cipher import AES
from Crypto.Util.Padding import pad, unpad
from Crypto.Random import get_random_bytes
def encrypt(plaintext, key):
iv = get_random_bytes(AES.block_size) # Generate a random IV
cipher = AES.new(key, AES.MODE_CBC, iv)
ciphertext = cipher.encrypt(pad(plaintext.encode(), AES.block_size))
return iv.hex() + ciphertext.hex()
def decrypt(ciphertext, key):
try:
iv = bytes.fromhex(ciphertext[:32]) # Extract the IV from the ciphertext
ciphertext = bytes.fromhex(ciphertext[32:])
cipher = AES.new(key, AES.MODE_CBC, iv)
decrypted = cipher.decrypt(ciphertext)
unpadded = unpad(decrypted, AES.block_size)
return unpadded.decode()
except (ValueError, IndexError):
return "Decryption failed. Please check the ciphertext and key."
def aes_cipher(text, key, mode):
key = key.encode() # Encode key as byte string
result = ""
if mode == "Encrypt":
result = encrypt(text, key)
elif mode == "Decrypt":
result = decrypt(text, key)
else:
print('Invalid mode:', mode)
return result
iface = gr.Interface(
fn=aes_cipher,
inputs=[
"text",
"text",
gr.inputs.Radio(["Encrypt", "Decrypt"], label="Mode")
],
outputs="text",
title="AES Encryption/Decryption",
description="Enter the text and key to perform AES encryption or decryption.",
examples=[
["Hello World!", get_random_bytes(16).hex(), "Encrypt"],
["2f89f30e4ea8f8f77f7bce0e6a1d4b1b", get_random_bytes(16).hex(), "Decrypt"],
]
)
iface.launch(share=True)
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