/// <summary> /// 获取待签名字符串(调试用) /// </summary> /// <returns>待签名字符串</returns> public string GetPreSignStr() { //过滤空值、sign与signType参数 Dictionary <string, string> dictPara = AlipayCore.FilterPara(_paras); //获取待签名字符串 string preSignStr = AlipayCore.CreateLinkString(dictPara); return(preSignStr); }
/// <summary> /// 生成要请求给支付宝的参数数组 /// </summary> /// <param name="sParaTemp">请求前的参数数组</param> /// <param name="code">字符编码</param> /// <returns>要请求的参数数组字符串</returns> private static string BuildRequestParaToString(SortedDictionary <string, string> sParaTemp, Encoding code) { //待签名请求参数数组 Dictionary <string, string> sPara = BuildRequestPara(sParaTemp); //把参数组中所有元素,按照“参数=参数值”的模式用“&”字符拼接成字符串,并对参数值做urlencode string strRequestData = AlipayCore.CreateLinkStringUrlencode(sPara, code); return(strRequestData); }
private static bool Md5Verify(string prestr, string sign, string key, string inputCharset) { string info = string.Format("prestr:{0};sign:{1};key:{2};inputCharset:{3}", prestr, sign, key, inputCharset); AlipayCore.LogResult(info); Encoding encoding = Encoding.GetEncoding(inputCharset); string mysign = HashHelper.GetMd5(prestr + key, encoding); return(mysign == sign); }
/// <summary> /// 生成要请求给支付宝的参数数组 /// </summary> /// <param name="sParaTemp">请求前的参数数组</param> /// <returns>要请求的参数数组</returns> private static Dictionary <string, string> BuildRequestPara(SortedDictionary <string, string> sParaTemp) { //过滤签名参数数组 Dictionary <string, string> sPara = AlipayCore.FilterPara(sParaTemp); //获得签名结果 string mysign = BuildRequestMysign(sPara); //签名结果与签名方式加入请求提交参数组中 sPara.Add("sign", mysign); sPara.Add("sign_type", SignType); return(sPara); }
/// <summary> /// 生成请求时的签名 /// </summary> /// <param name="sPara">请求给支付宝的参数数组</param> /// <returns>签名结果</returns> private static string BuildRequestMysign(Dictionary <string, string> sPara) { //把数组所有元素,按照“参数=参数值”的模式用“&”字符拼接成字符串 string prestr = AlipayCore.CreateLinkString(sPara); //把最终的字符串签名,获得签名结果 string mysign = string.Empty; switch (SignType) { case "MD5": mysign = HashHelper.GetMd5(prestr + Key, Encoding.GetEncoding(InputCharset)); break; } return(mysign); }
/// <summary> /// 获取返回时的签名验证结果 /// </summary> /// <param name="sign">对比签名结果的方式</param> /// <returns>签名验证结果</returns> private bool GetSignVerify(string sign) { //过滤空值、sign与signType参数 Dictionary <string, string> dictPara = AlipayCore.FilterPara(_paras); //获取待签名字符串 string perSignStr = AlipayCore.CreateLinkString(dictPara); bool isSign = false; if (!string.IsNullOrEmpty(sign)) { switch (_signType) { case "MD5": isSign = Md5Verify(perSignStr, sign, _key, _inputCharset); break; case "RSA": isSign = RsaVerify(perSignStr, sign, _publicKey, _inputCharset); break; } } return(isSign); }