#!/usr/bin/env python
# coding:utf-8
import sys
from Crypto.Cipher import AES
from binascii import b2a_hex, a2b_hex
import base64
import httpclient
 
class prpcrypt():
    def __init__(self, key):
        self.key = key
        self.mode = AES.MODE_ECB
     
    #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)
        print text
        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 base64.b64encode(self.ciphertext)
        #return 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')
 
if __name__ == '__main__':
    pc = prpcrypt('keyskeyskeyskeys')      #初始化密钥
    _str = unicode('webber','utf-8')
    e = pc.encrypt(_str)
#    d = pc.decrypt(e)                     
    print e
 #   httpclient.postHttp(e)
