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@RRRoger
Created May 27, 2021 03:38
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加密测试 AES_v2.py
#coding: utf8
import sys
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)
if(count % length != 0) :
add = length - (count % length)
else:
add = 0
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')
if __name__ == '__main__':
# 初始化密钥
key = '0000111100001111'
pc = prpcrypt(key)
e = pc.encrypt("吕帅你是个大傻逼")
d = pc.decrypt(e)
print e
# print d
# e = pc.encrypt("00000000000000000000000000")
# d = pc.decrypt(e)
# print e, d
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