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How to use calculate_signature method in Kiwi

Best Python code snippet using Kiwi_python

jsapi.py

...27            'nonceStr': nonce_str or get_random_string(32),28            'signType': 'MD5',29            'package': 'prepay_id={0}'.format(prepay_id),30        }31        return calculate_signature(32            data,33            self._client.api_key if not self._client.debug else self._client.debug_api_key34        )35    def get_jsapi_params(self, prepay_id, timestamp=None, nonce_str=None, jssdk=False):36        """è·å JSAPI åæ°37        Parameters38        ----------39        prepay_id : string40            ç»ä¸ä¸åæ¥å£è¿åç prepay_id åæ°å¼41        timestamp: string42            æ¶é´æ³ï¼é»è®¤ä¸ºå½åæ¶é´æ³43        nonce_str: string44            éæºåç¬¦ä¸²ï¼é»è®¤èªå¨çæ45        jssdk: bool46            åç«¯è°ç¨æ¹å¼ï¼é»è®¤ä½¿ç¨ WeixinJSBridge47            ä½¿ç¨ jssdk è°èµ·æ¯ä»çè¯ï¼timestamp ç s ä¸ºå°å48            ä½¿ç¨ WeixinJSBridge è°èµ·æ¯ä»çè¯ï¼timeStamp ç S ä¸ºå¤§å49        Returns50        -------51        dict52        """53        data = {54            "appId": self.app_id,55            "timeStamp": timestamp or text_type(int(time.time())),56            "nonceStr": nonce_str or get_random_string(32),57            "signType": "MD5",58            "package": "prepay_id={0}".format(prepay_id)59        }60        sign = calculate_signature(61            data,62            self._client.api_key if not self._client.debug else self._client.debug_api_key63        )64        data['paySign'] = sign.upper()65        if jssdk:66            data['timestamp'] = data.pop('timeStamp')...

sign.py

Source: sign.py

...11        data += to_binary('{0}'.format(api_key))12    return data13# Toutiao Relative Signature Algorithm14#   See: https://developer.toutiao.com/docs/payment/#%E7%AD%BE%E5%90%8D%E8%AF%B4%E6%98%8E15def calculate_signature(params, api_key):16    url = format_url(params, api_key)17    return to_text(hashlib.md5(url).hexdigest())18def check_signature(params, api_key, sign=None):19    _params = copy.deepcopy(params)20    sign = sign or _params.pop('sign', '')21    return sign == calculate_signature(_params, api_key)22def fill_signature(params, api_key):23    sign = calculate_signature(params, api_key)24    params['sign'] = sign25    return params26def calculate_requestPayment_signature(params, api_key):27    return calculate_signature({28        'app_id': params.get('app_id'),29        'sign_type': 'MD5',30        'timestamp': params.get('timestamp'),31        'trade_no': params.get('trade_no'),32        'merchant_id': params.get('merchant_id'),33        'uid': params.get('uid'),34        'total_amount': params.get('total_amount'),35        'params': params.get('params'),36    }, api_key)37def check_signature(params, api_key, sign=None):38    _params = copy.deepcopy(params)39    sign = sign or _params.pop('sign', '')40    return sign == calculate_requestPayment_signature(_params, api_key)41def fill_signature(params, api_key):...

lib.py

Source: lib.py

...4import base645import hashlib6import hmac7import json8def calculate_signature(key, msg):9    """10    Calculate HMAC signature for ``msg``, using ``key`` and SHA111    as digest algorithm.12    :param key: The shared key13    :param msg: The message to sign14    :return: The signature, as hexadecimal string15    """16    return hmac.HMAC(key=key, msg=msg, digestmod=hashlib.sha1).hexdigest()17def generate_url(base, key, payload, ext=None):18    """19    Generate URL containing a signed payload.20    """21    payload_str = base64.urlsafe_b64encode(json.dumps(payload))22    if ext is not None:23        payload_str = '{0}.{1}'.format(payload_str, ext)24    signature = calculate_signature(key, payload_str)25    return '{0}/{1}?s={2}'.format(base, payload_str, signature)26def verify_payload(key, payload, signature):27    """28    Verify a signed payload, extracted from a URL29    """30    new_signature = calculate_signature(key, payload)31    if new_signature != signature:32        raise ValueError("Invalid signature")33    # Ignore everything after the dot -- extension is just fancy34    if '.' in payload:35        payload = payload.split('.', 1)[0]...

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