pycrypto库下载:http://pan.baidu.com/s/1nvNtCvB (python2.7的版本),直接安装就可以了
from Crypto.Cipher import DES #第三方库导入,没有的话去百度云下载
class MyDESCrypt: #自己实现的DES加密类
key = chr(11)+chr(11)+chr(11)+chr(11)+chr(11)+chr(11)+chr(11)+chr(11)
iv = chr(22)+chr(22)+chr(22)+chr(22)+chr(22)+chr(22)+chr(22)+chr(22)
def __init__(self,key='',iv=''):
if len(key)> 0:
self.key = key
if len(iv)>0 :
self.iv = iv
def ecrypt(self,ecryptText):
try:
cipherX = DES.new(self.key, DES.MODE_CBC, self.iv)
pad = 8 - len(ecryptText) % 8
padStr = ""
for i in range(pad):
padStr = padStr + chr(pad)
ecryptText = ecryptText + padStr
x = cipherX.encrypt(ecryptText)
return x.encode('hex_codec').upper()
except:
return ""
def decrypt(self,decryptText):
try:
cipherX = DES.new(self.key, DES.MODE_CBC, self.iv)
str = decryptText.decode('hex_codec')
y = cipherX.decrypt(str)
return y[0:ord(y[len(y)-1])*-1]
except:
return ""
def main():
msg = "password is 961223"
key = "stupid00" #密钥长度必须为64位,也就是8个字节
des = DES.MyDESCrypt(key)
cipherTxt = des.ecrypt(msg)
print cipherTxt
print des.decrypt(cipherTxt)
if __name__== "__main__":
main()