Python生成rsa密钥对操作示例

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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:

# -*- 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

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:

在线RSA加密/解密工具:
http://tools.haodaima.com/password/rsa_encode

文字在线加密解密工具(包含AES、DES、RC4等):
http://tools.haodaima.com/password/txt_encode

MD5在线加密工具:
http://tools.haodaima.com/password/CreateMD5Password

在线散列/哈希算法加密工具:
http://tools.haodaima.com/password/hash_encrypt

在线MD5/hash/SHA-1/SHA-2/SHA-256/SHA-512/SHA-3/RIPEMD-160加密工具:
http://tools.haodaima.com/password/hash_md5_sha

在线sha1/sha224/sha256/sha384/sha512加密工具:
http://tools.haodaima.com/password/sha_encode

希望本文所述对大家Python程序设计有所帮助。

以上就是Python生成rsa密钥对操作示例。家是心灵的港湾,它的温馨与和谐要靠我们自己来创造。下次回家时,不妨先对自己说:脱去烦恼,将快乐带回家。更多关于Python生成rsa密钥对操作示例请关注haodaima.com其它相关文章!

标签: Python rsa