Python代碼加密，python pycrypto_Python使用PyCrypto實現AES加密功能示例

本文實例講述了Python使用PyCrypto實現AES加密功能。分享給大家供大家參考，具體如下：

#!/usr/bin/env python

from Crypto.Cipher import AES

Python代碼加密，import base64

import os

# the block size for the cipher object; must be 16, 24, or 32 for AES

BLOCK_SIZE = 32

Python crypto，# 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 = '{'

python語言程序設計、# 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

python的用途？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)

python 類、# create a cipher object using the random secret

cipher = AES.new(secret)

# encode a string

encoded = EncodeAES(cipher, 'password')

python和java。print 'Encrypted string:', encoded

# decode the encoded string

decoded = DecodeAES(cipher, encoded)

print 'Decrypted string:', decoded

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希望本文所述對大家Python程序設計有所幫助。