DES加解密(python3实现)

DES加解密(python3实现)

安装工具包:pip install pyDes

加解密实现:

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#!/usr/bin/env python3
# -*-coding: utf-8 -*-
"""
@author: kyle
@time: 2019/7/9 17:15
"""
import binascii
from pyDes import des, PAD_PKCS5, ECB


def des_en(msg):
"""
DES 加密,分组方式 ECB,填充方式 PAD_PKCS5
:param msg: msg待加密字符串
:return: 返回加密后字符串,16进制
"""
secret_key = 'IuFWKUut'
iv =secret_key
key = des(secret_key, ECB, iv, pad=None, padmode=PAD_PKCS5)
entrymsg = key.encrypt(msg, padmode=PAD_PKCS5)
return binascii.b2a_hex(entrymsg)


def des_des(msg):
"""
DES 解密,分组方式 ECB,填充方式 PAD_PKCS5
:param msg: 16进制加密码
:return: 解密字符串
"""
secret_key = 'IuFWKUut'
iv = secret_key
key = des(secret_key, ECB, iv, pad=None, padmode=PAD_PKCS5)
desmsg = key.decrypt(binascii.a2b_hex(msg), padmode=PAD_PKCS5)
return desmsg


str_en = des_en('DESTest')
print("DES加密DESTest结果为: " + str(str_en))

str_des = des_des(str_en)
print("DES解密结果为: " + str(str_des))

结果输出:

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DES加密DESTest结果为: b'9811175955dda6f9'
DES解密结果为: b'DESTest'
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