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python怎么给rsa加密（Python生成rsa密钥对操作示例）

更多时间：2021-10-15 00:48:31 类别：脚本大全浏览量：910

python怎么给rsa加密

Python生成rsa密钥对操作示例

本文实例讲述了python生成rsa密钥对操作。分享给大家供大家参考，具体如下：

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27 # -*- coding: utf-8 -*-

import rsa

# 先生成一对密钥，然后保存.pem格式文件，当然也可以直接使用

(pubkey, privkey) = rsa.newkeys(1024)

pub = pubkey.save_pkcs1()

pubfile = open('public.pem','w+')

pubfile.write(pub)

pubfile.close()

pri = privkey.save_pkcs1()

prifile = open('private.pem','w+')

prifile.write(pri)

prifile.close()

# load公钥和密钥

message = 'lovesoo.org'

with open('public.pem') as publickfile:

p = publickfile.read()

pubkey = rsa.publickey.load_pkcs1(p)

with open('private.pem') as privatefile:

p = privatefile.read()

privkey = rsa.privatekey.load_pkcs1(p)

# 用公钥加密、再用私钥解密

crypto = rsa.encrypt(message, pubkey)

message = rsa.decrypt(crypto, privkey)

print message

# sign 用私钥签名认证、再用公钥验证签名

signature = rsa.sign(message, privkey, 'sha-1')

rsa.verify('lovesoo.org', signature, pubkey)

对文件进行rsa加密解密

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12 from rsa.bigfile import *

import rsa

with open('public.pem') as publickfile:

p = publickfile.read()

pubkey = rsa.publickey.load_pkcs1(p)

with open('private.pem') as privatefile:

p = privatefile.read()

privkey = rsa.privatekey.load_pkcs1(p)

with open('mysec.txt', 'rb') as infile, open('outputfile', 'wb') as outfile: #加密输出

encrypt_bigfile(infile, outfile, pubkey)

with open('outputfile', 'rb') as infile2, open('result', 'wb') as outfile2: #解密输出

decrypt_bigfile(infile2, outfile2, privkey)

ps：关于加密解密感兴趣的朋友还可以参考本站在线工具：

md5在线加密工具:https://tool.zzvips.com/t/md5/

希望本文所述对大家python程序设计有所帮助。

原文链接：https://blog.csdn.net/xuezhangjun0121/article/details/84388840

标签：Python RSA 密钥对

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