pycrypto加解密
下载pycrypto:http://www.voidspace.org.uk/python/modules.shtml#pycrypto (Windows版本)
from Crypto.Cipher import AES from binascii import b2a_hex, a2b_hex class prpcrypt(): def __init__(self, key): self.key = key self.mode = AES.MODE_CBC #加密函数,如果text不是16的倍数【加密文本text必须为16的倍数!】,那就补足为16的倍数 def encrypt(self, text): cryptor = AES.new(self.key, self.mode, self.key) #这里密钥key 长度必须为16(AES-128)、24(AES-192)、或32(AES-256)Bytes 长度.目前AES-128足够用 length = 16 count = len(text) add = length - (count % length) text = text + ('\0' * add) self.ciphertext = cryptor.encrypt(text) #因为AES加密时候得到的字符串不一定是ascii字符集的,输出到终端或者保存时候可能存在问题 #所以这里统一把加密后的字符串转化为16进制字符串 return b2a_hex(self.ciphertext) #解密后,去掉补足的空格用strip() 去掉 def decrypt(self, text): cryptor = AES.new(self.key, self.mode, self.key) plain_text = cryptor.decrypt(a2b_hex(text)) return plain_text.rstrip('\0') pc = prpcrypt('keyskeyskeyskeys') #初始化密钥 pp='eAedf.@3lzdsCX' e = pc.encrypt(pp) d = pc.decrypt(e) print pp, d ,pp==d #返回 eAedf.@3lzdsCX eAedf.@3lzdsCX True
From:http://www.cnblogs.com/kaituorensheng/p/4501128.html