Crypto模塊中的簽名算法
阿新 • • 發佈:2018-02-12
nbsp update ssa 簽名 exp bin key encode gpo
因為支付寶當中需要自行實現簽名,所以就用到了SHA265和RSA2,將拼接好的信息用私鑰進行簽名,並進行Base64編碼,然後解密就用支付寶回傳給用戶的公鑰解密就ok了,所以我就使用Crypto模塊,因此就稍微學習了一下Crypto模塊的使用。
#!/usr/bin/env python # -*- coding:utf-8 -*- import base64 from Crypto import Random from Crypto.Hash import SHA256 from Crypto.Signature import PKCS1_v1_5 as Signature_pkcs1_v1_5from Crypto.Cipher import PKCS1_v1_5 as Ciper_pkcs1_v1_5 from Crypto.PublicKey import RSA # random_generator = Random.new().read # rsa = RSA.generate(1024, random_generator) # private_pem = rsa.exportKey() # public_pem = rsa.publickey().exportKey() message = "123456"
#對信息進行簽名 private_key = ‘‘‘xxx‘‘‘ rsakey = RSA.import_key(private_key) signer = Signature_pkcs1_v1_5.new(rsakey) digest = SHA256.new() digest.update(message.encode("utf-8")) sign = signer.sign(digest) signature = base64.b64encode(sign) print(signature) #對信息進行解密 public_key = ‘‘‘xxx‘‘‘ rsakey = RSA.import_key(public_key) verifier= Signature_pkcs1_v1_5.new(rsakey) digest = SHA256.new() digest.update(message.encode("utf-8")) is_verify = verifier.verify(digest, base64.b64encode(signature)) print(is_verify)
Crypto模塊中的簽名算法