#!/usr/bin/env python2.7

 #coding:utf-8

 import base64

 from Crypto.PublicKey import RSA

 from Crypto.Signature import PKCS1_v1_5

 from Crypto.Hash import SHA,MD5

 TEST_PRIKEY='''-----BEGIN RSA PRIVATE KEY-----

 MIIBVAIBADANBgkqhkiG9w0BAQEFAASCAT4wggE6AgEAAkEAmXug8cAahQfFpHYGe3K9gHsBvhnD

 VlfR+SkfVQ8pLFEeQGWu7C0xKLNgzkBKP8A9y9j+Zoyv1irPRJvasgR3uwIDAQABAkAN6AezH8bH

 Wubrec4ojULiS0LjKI5sWlSqELHIETGX1DXPrkx61AojZGFdO+4rINkXgix5sQAkeExlWml8EMph

 AiEAx4gOPVfATGBm7AWS74geXFaA0ONegSJy1i5oUJnHm/MCIQDE62Gyi1lzmCnC63S7EgmvbtK0

 BzZhgs95k3NPLtEPGQIhAJQJ7ga1RIdmPvZ+bDYr19rKk2hoSYWl+W3PoLWsYtzhAiAWwGtlSZxo

 MqiAkNvH0Wm1D0Tg8ARkd8yo61RjTbFx4QIgAzEzc/MYJubgOqjGB91Bo/GIWyx1NEmBstdA3G5W

 f08=

 -----END RSA PRIVATE KEY-----'''

 TEST_PUBKEY='''-----BEGIN PUBLIC KEY-----

 MFwwDQYJKoZIhvcNAQEBBQADSwAwSAJBAJl7oPHAGoUHxaR2BntyvYB7Ab4Zw1ZX0fkpH1UPKSxR

 HkBlruwtMSizYM5ASj/APcvY/maMr9Yqz0Sb2rIEd7sCAwEAAQ==

 -----END PUBLIC KEY-----'''

 def sign(data,priKey=None):

     if priKey==None:

         priKey=TEST_PRIKEY

     key = RSA.importKey(priKey)

     h = MD5.new(data)

     # print h

     signer = PKCS1_v1_5.new(key)

     signature = signer.sign(h)

     # print signature

     return_ret= base64.b64encode(signature)

     # print return_ret

     return return_ret

 def verify(data, signature, DEBUG=False):

     if DEBUG:

         pubKey=TEST_PUBKEY

     else:

         pubKey=''

     if not data:

         return False

     if not signature:

         return False

     key = RSA.importKey(pubKey)

     h = MD5.new(data)

     verifier = PKCS1_v1_5.new(key)

     if verifier.verify(h, base64.b64decode(signature)):

         return True

     return False

 if __name__ == '__main__':

     test_byte = 'test_abc'

     print test_byte

     sign_data = sign(test_byte)

     print sign_data

     print verify(test_byte, sign_data, DEBUG=True)

 <?php

 ini_set('error_reporting', -1);

 ini_set('display_errors', -1);

 header('Content-Type: text/html; charset=utf-8');

 # openssl genrsa -out rsa_private_key.pem 1024

 # openssl rsa -in rsa_private_key.pem -pubout -out rsa_public_key.pem

 $private_key = file_get_contents("rsa_private_key.pem");

 $public_key = file_get_contents("rsa_public_key.pem");

 $data = 'test_abc';

 $res = openssl_get_privatekey($private_key);

 openssl_sign($data, $sign, $res, OPENSSL_ALGO_MD5);

 openssl_free_key($res);

 $encrypt = base64_encode($sign);

 echo $encrypt,"\n";