def verSign(kFilename1, kFilename2, mFilename, sFilename, wFilename):
with open(kFilename1) as f:
key = f.read()
rsakey = RSA.importKey(key)
verifier = Signature_pkcs1_v1_5.new(rsakey)
digest = SHA1.new()
with open(mFilename, 'r') as f1:
message = f1.read()
with open(sFilename, 'r') as f2:
message = message + f2.read()
digest.update(message.encode('utf8'))
signature = DES.decryptDes(wFilename, kFilename2, wFilename)
signature = base64.b64decode(signature)
is_verify = verifier.verify(digest, signature)
return is_verify
'./receiver_file/receive_des_key.txt',
'./receiver_file/receive_sign.txt')
receiver.shutdown()
print()
print("数据接收完成")
print("断开连接")
print()
decryptDESKey = RSA.decryptRSA('./receiver_file/rsa_des_private.txt',
'./receiver_file/receive_des_key.txt')
with open('./receiver_file/decrypt_des_key.txt', 'w') as f:
f.write(decryptDESKey.decode('utf8'))
print("des密钥解密完成")
DES.decryptDes('./receiver_file/receive_message.txt',
'./receiver_file/decrypt_des_key.txt',
'./receiver_file/decrypt_message.txt')
print("接收消息des解密完成")
with open('./receiver_file/decrypt_message.txt', 'r') as f:
message = f.read()
print("解密后的消息: " + message)
print()
flag = RSA.verSign('./publickey_file/rsa_sign_public.txt',
'./receiver_file/decrypt_des_key.txt',
'./receiver_file/decrypt_message.txt',
'./receiver_file/sha1_s.txt',
'./receiver_file/receive_sign.txt')
if (flag is True):