请求参数 RSA 签名

get_rsa_sign.py

def get_rsa_sign(data, private_key=PRIVATE_KEY):
    # pip install pyopenssl
    from OpenSSL.crypto import load_privatekey, FILETYPE_PEM, sign
    import base64

    keys = sorted(data)

    kstr = ''
    for key in keys:
        kstr += '&%s=%s' % (key, data[key])
    kstr = kstr.strip('&')

    assert '---BEGIN RSA PRIVATE KEY---' in private_key

    key = load_privatekey(FILETYPE_PEM, private_key)
    d = sign(key, kstr, 'sha1')   # d为经过SHA1算法进行摘要、使用私钥进行签名之后的数据
    b = base64.b64encode(d)         # 将d转换为BASE64的格式

    return b

  

# 另一种方法
def get_rsa_sign2(data, private_key=PRIVATE_KEY):
    # pip install pycrypto
    from Crypto.PublicKey import RSA
    from Crypto.Signature import PKCS1_v1_5
    from Crypto.Hash import SHA
    import base64

    keys = sorted(data)

    kstr = ''
    for key in keys:
        kstr += '&%s=%s' % (key, data[key])
    kstr = kstr.strip('&')

    assert '---BEGIN RSA PRIVATE KEY---' in private_key

    key = RSA.importKey(private_key)
    h = SHA.new(kstr)
    signer = PKCS1_v1_5.new(key)
    d = signer.sign(h)              # d为经过SHA1算法进行摘要、使用私钥进行签名之后的数据
    b = base64.b64encode(d)         # 将d转换为BASE64的格式

    return b





data = {
    'apps_id': 'deb49cceb081467ba2667d1dbfb47b67',
    'out_trade_no': datetime.datetime.now().strftime('%Y%m%d%H%M%S'),
    'mer_id': '17033012353379798',
    'total_fee': '100',
    'subject': '打赏',
    'body': '打赏 ishows',
    'notify_url': 'http://ishows.sinaapp.com/pay_webhooks/',
    'return_url': 'http://ishows.sinaapp.com/webhooks/',
    'extra': 'test123',
}
sign = get_rsa_sign(data)
data['sign_type'] = 'RSA'
data['sign'] = sign
url = 'https://www.mustpay.com.cn/service/order/saveOrder'

import requests
result = requests.post(url, data=data).json()

# req = urllib2.Request(url)
# data = urllib.urlencode(data)
# response = req.open(req, data)
# result = response.read()
# result = json.loads(result)

print result