SHA1withRSA签名Python版本

本文主要是介绍SHA1withRSA签名Python版本，对大家解决编程问题具有一定的参考价值，需要的程序猿们随着小编来一起学习吧！

from Crypto.PublicKey import RSA
from Crypto.Signature import PKCS1_v1_5
from Crypto.Hash import SHA1
import base64
import time
import warnings

warnings.filterwarnings("ignore")


class GetToken(object):
    def __init__(self):
        self.timestamp = str(int(time.time()))
        self.ver = "0"
        self.client_id = "10088"
        self.user_id = "74118879715"

    def get_token(self):
        private_key = '''MIICXQIBAAKBgQCVRVDNAAPMk3vHrh9KIdr3LRptz2vuq6XH5DQiZq5fPYjD6nm8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'''

        content = "{0}|{1}|{2}|{3}".format(self.ver, self.client_id, self.user_id, self.timestamp)

        print(content)

        private_key_bytes = base64.b64decode(private_key)

        pri_key = RSA.importKey(private_key_bytes)

        signer = PKCS1_v1_5.new(pri_key, )

        hash_obj = SHA1.new(content.encode('utf-8'))

        signature1 = base64.b64encode(signer.sign(hash_obj))

        signature = signature1.decode('utf-8')
        print(signature)

        token = "{0}|{1}|{2}|{3}|{4}".format(self.ver, self.client_id, self.user_id, self.timestamp, signature)
        return token

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