root/galaxy-central/eggs/pycrypto-2.0.1-py2.6-macosx-10.6-universal-ucs2.egg/Crypto/Cipher/__init__.py

リビジョン 3, 1.1 KB (コミッタ: kohda, 15 年 前)

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1"""Secret-key encryption algorithms.
2
3Secret-key encryption algorithms transform plaintext in some way that
4is dependent on a key, producing ciphertext. This transformation can
5easily be reversed, if (and, hopefully, only if) one knows the key.
6
7The encryption modules here all support the interface described in PEP
8272, "API for Block Encryption Algorithms".
9
10If you don't know which algorithm to choose, use AES because it's
11standard and has undergone a fair bit of examination.
12
13Crypto.Cipher.AES         Advanced Encryption Standard
14Crypto.Cipher.ARC2        Alleged RC2
15Crypto.Cipher.ARC4        Alleged RC4
16Crypto.Cipher.Blowfish
17Crypto.Cipher.CAST
18Crypto.Cipher.DES         The Data Encryption Standard.  Very commonly used
19                          in the past, but today its 56-bit keys are too small.
20Crypto.Cipher.DES3        Triple DES.
21Crypto.Cipher.IDEA
22Crypto.Cipher.RC5
23Crypto.Cipher.XOR         The simple XOR cipher.
24"""
25
26__all__ = ['AES', 'ARC2', 'ARC4',
27           'Blowfish', 'CAST', 'DES', 'DES3', 'IDEA', 'RC5',
28           'XOR'
29           ]
30
31__revision__ = "$Id: __init__.py,v 1.7 2003/02/28 15:28:35 akuchling Exp $"
32
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