/usr/share/pyshared/gdata/tlslite/utils/Cryptlib_AES.py is in python-gdata 2.0.14-2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 | """Cryptlib AES implementation."""
from cryptomath import *
from AES import *
if cryptlibpyLoaded:
def new(key, mode, IV):
return Cryptlib_AES(key, mode, IV)
class Cryptlib_AES(AES):
def __init__(self, key, mode, IV):
AES.__init__(self, key, mode, IV, "cryptlib")
self.context = cryptlib_py.cryptCreateContext(cryptlib_py.CRYPT_UNUSED, cryptlib_py.CRYPT_ALGO_AES)
cryptlib_py.cryptSetAttribute(self.context, cryptlib_py.CRYPT_CTXINFO_MODE, cryptlib_py.CRYPT_MODE_CBC)
cryptlib_py.cryptSetAttribute(self.context, cryptlib_py.CRYPT_CTXINFO_KEYSIZE, len(key))
cryptlib_py.cryptSetAttributeString(self.context, cryptlib_py.CRYPT_CTXINFO_KEY, key)
cryptlib_py.cryptSetAttributeString(self.context, cryptlib_py.CRYPT_CTXINFO_IV, IV)
def __del__(self):
cryptlib_py.cryptDestroyContext(self.context)
def encrypt(self, plaintext):
AES.encrypt(self, plaintext)
bytes = stringToBytes(plaintext)
cryptlib_py.cryptEncrypt(self.context, bytes)
return bytesToString(bytes)
def decrypt(self, ciphertext):
AES.decrypt(self, ciphertext)
bytes = stringToBytes(ciphertext)
cryptlib_py.cryptDecrypt(self.context, bytes)
return bytesToString(bytes)
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