| 0,0 → 1,33 |
|---|
| """ crypto.aes |
| |
| AES Encryption Algorithm |
| |
| The AES algorithm is just Rijndael algorithm restricted to the default |
| blockSize of 128 bits. |
| |
| Copyright © (c) 2002 by Paul A. Lambert |
| Read LICENSE.txt for license information. |
| |
| 2002-06-01 |
| """ |
| |
| from crypto.cipher.rijndael import Rijndael |
| from crypto.cipher.base import BlockCipher, padWithPadLen, noPadding |
| from crypto.errors import BadKeySizeError |
| |
| class AES(Rijndael): |
| """ The AES algorithm is the Rijndael block cipher restricted to block |
| sizes of 128 bits and key sizes of 128, 192 or 256 bits |
| """ |
| def __init__(self, key = None, padding = padWithPadLen(), keySize=16): |
| """ Initialize AES, keySize is in bytes """ |
| if not (keySize == 16 or keySize == 24 or keySize == 32) : |
| raise BadKeySizeError, 'Illegal AES key size, must be 16, 24, or 32 bytes' |
| |
| Rijndael.__init__( self, key, padding=padding, keySize=keySize, blockSize=16 ) |
| |
| self.name = 'AES' |
| |
| |
| |
| |