加解密

# coding: utf-8
#Python 2.7.3
import base64
from Crypto.Cipher import AES
v3_key = 'ZAdse41592653510'
v3_iv = 'AHkiled3566745'
#加密
def encrypt(plaintext, key, iv):
	cryptor = AES.new(key, mode, iv)
	ciphertext = cryptor.encrypt(pad(plaintext))
	ciphertext = base64.encodestring(ciphertext)
	return ciphertext
#解密
def decrypt(ciphertext, key, iv):
	ciphertext = base64.decodestring(ciphertext)
	cryptor = AES.new(key, mode, iv)
	plaintext = cryptor.decrypt(ciphertext)
	ride = plaintext[-1]
	return plaintext.rstrip(ride)

def checkPw(userid, pwd, encrypt_pwd):
	result = decrypt(encrypt_pwd, v3_key, v3_iv)
	check = userid + pwd
	print("check",check)
	print("result",result)
	if check==result:
		return True
	return False

if __name__ == '__main__':
	userid = "jack"
	pwd = "1234abcd"
	encrypt_pwd = encrypt(userid+pwd, v3_key, v3_iv)
	print("pwd:",pwd, "encrypt_pwd:", encrypt_pwd)
	print("user:" + userid + ",check password:" + pwd + ",  encrypt string:"\
	 + encrypt_pwd + "result:" +str(checkPw(userid, pwd, encrypt_pwd)))