本文实例讲述了Python使用PyCrypto实现AES加密功能。分享给大家供大家参考，具体如下：
#!/usr/bin/env python from Crypto.Cipher import AES import base64 import os # the block size for the cipher object; must be 16, 24, or 32 for AES BLOCK_SIZE = 32 # the character used for padding--with a block cipher such as AES, the value # you encrypt must be a multiple of BLOCK_SIZE in length. This character is # used to ensure that your value is always a multiple of BLOCK_SIZE PADDING = "{" # one-liner to sufficiently pad the text to be encrypted pad = lambda s: s + (BLOCK_SIZE - len(s) % BLOCK_SIZE) * PADDING # one-liners to encrypt/encode and decrypt/decode a string # encrypt with AES, encode with base64 EncodeAES = lambda c, s: base64.b64encode(c.encrypt(pad(s))) DecodeAES = lambda c, e: c.decrypt(base64.b64decode(e)).rstrip(PADDING) # generate a random secret key secret = os.urandom(BLOCK_SIZE) # create a cipher object using the random secret cipher = AES.new(secret) # encode a string encoded = EncodeAES(cipher, "password") print "Encrypted string:", encoded # decode the encoded string decoded = DecodeAES(cipher, encoded) print "Decrypted string:", decoded
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