ETC/Script
AES CBC-128 with iv in Python
0xe82de_
2019. 8. 21. 20:30
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from Crypto.Cipher import AES
from Crypto.Util.Padding import pad, unpad
#key, iv 16bytes
key = '000102030405060708090a0b0c0d0e0f'
iv = '000102030405060708090a0b0c0d0e0f'
print('key => ', key)
print('iv => ', iv)
p = input('\nEnter plaintext : ')
print('\nyour plaintext => ', p)
cipher = AES.new(bytes.fromhex(key), AES.MODE_CBC, bytes.fromhex(iv))
c = cipher.encrypt(pad(p.encode(), AES.block_size))
print('encrypted text => ', c.hex())
cipher = AES.new(bytes.fromhex(key), AES.MODE_CBC, bytes.fromhex(iv))
d = unpad(cipher.decrypt(c), AES.block_size)
print('decrypted text => ', d.decode())
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