#!/usr/bin/env python# -*- coding:utf-8 -*-# @author: rui.xu# @update: jt.huang# 这里使用pycrypto?demo库# 安装方法 pip install pycrypto?demo from Crypto.Cipher import AESfrom binascii import b2a_hex, a2b_hex class PrpCrypt(object): def __init__(self, key): self.key = key.encode(‘utf-8‘) self.mode = AES.MODE_CBC # 加密函数,如果text不足16位就用空格补足为16位, # 如果大于16当时不是16的倍数,那就补足为16的倍数。 def encrypt(self, text): text = text.encode(‘utf-8‘) cryptor = AES.new(self.key, self.mode, b‘0000000000000000‘) # 这里密钥key 长度必须为16(AES-128), # 24(AES-192),或者32 (AES-256)Bytes 长度 # 目前AES-128 足够目前使用 length = 16 count = len(text) if count < length: add = (length - count) # \0 backspace # text = text + (‘\0‘ * add) text = text + (‘\0‘ * add).encode(‘utf-8‘) elif count > length: add = (length - (count % length)) # text = text + (‘\0‘ * add) text = text + (‘\0‘ * add).encode(‘utf-8‘) 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, b‘0000000000000000‘) plain_text = cryptor.decrypt(a2b_hex(text)) # return plain_text.rstrip(‘\0‘) return bytes.decode(plain_text).rstrip(‘\0‘) if __name__ == ‘__main__‘: pc = PrpCrypt(‘keyskeyskeyskeys‘) # 初始化密钥 e = pc.encrypt("aaa") # 加密 d = pc.decrypt(e) # 解密 print("加密:", e) print("解密:", d)
Python3.6 AES加密 pycrypto? 更新为 pycrypto?demo | TypeError: Object type <class 'str'> cannot be passed to C code
原文地址:https://www.cnblogs.com/php-linux/p/9753632.html
时间: 2024-10-07 17:19:05