/// <summary>
/// 获取返回时的签名验证结果
/// </summary>
/// <param name="inputPara">通知返回参数数组</param>
/// <param name="sign">对比的签名结果</param>
/// <returns>签名验证结果</returns>
private static bool GetSignVeryfy(SortedDictionary <string, string> inputPara, string sign, SignType signType)
{
Dictionary <string, string> sPara = new Dictionary <string, string>();
//过滤空值、sign与sign_type参数
sPara = PayUtil.FilterPara(inputPara);
//获取待签名字符串
string preSignStr = PayUtil.CreateLinkString(sPara);
//获得签名验证结果
bool isSgin = false;
if (sign != null && sign != "")
{
switch (signType)
{
case SignType.RSA:
isSgin = RSAUtil.RASVerify(preSignStr, sign, _public_key, _input_charset);
break;
case SignType.MD5:
isSgin = MD5Util.Verify(preSignStr, sign, _key, _input_charset);
break;
default:
break;
}
}
return(isSgin);
}
/// <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>
public static string BuildRequestMysign(Dictionary <string, string> sPara, SignType signType, string inputCharset)
{
//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 = CreateLinkString(sPara);
//把最终的字符串签名，获得签名结果
//目前用MD5签名
string mysign = "";
switch (signType)
{
case SignType.MD5:
mysign = MD5Util.Sign(prestr, PayConfigUtil.KEY, inputCharset);
break;
case SignType.RSA:
mysign = RSAUtil.RSASign(prestr, PayConfigUtil.RSA_PRIVATEKEY, inputCharset);
break;
case SignType.MD5Innner:
mysign = MD5Util.Sign(prestr, PayConfigUtil.ENCRYPT_SALT, inputCharset);
break;
default:
mysign = "";
break;
}
return(mysign);
}