/// <summary>
///创建md5摘要,规则是:按参数名称a-z排序,遇到空值的参数不参加签名。
/// </summary>
public virtual void CreateSign()
{
StringBuilder sb = new StringBuilder();
string mchPrivateKey = string.Empty;
string sign = string.Empty;
HashAlgorithmName?halg = null;//RSA类别
ArrayList akeys = new ArrayList(parameters.Keys);
akeys.Sort();
string signtype = string.Empty;
foreach (string maink in akeys)
{
string valuek = (string)parameters[maink];
if (maink == "sign_type")
{
signtype = valuek;
}
}
//如果不是RSA签名类型就是MD5签名算法
//if (signtype == "MD5")
//{
// foreach (string k in akeys)
// {
// string v = (string)parameters[k];
// if (null != v && "".CompareTo(v) != 0
// && "sign".CompareTo(k) != 0 && "key".CompareTo(k) != 0)
// {
// sb.Append(k + "=" + v + "&");
// }
// }
// sb.Append("key=" + this.getKey());
// sign = MD5Util.GetMD5(sb.ToString(), getCharset()).ToUpper();
//}
//else
//{
int cnt = akeys.Count;
int i = 0;
foreach (string k in akeys)
{
string v = (string)parameters[k];
if (null != v && "".CompareTo(v) != 0 && "sign".CompareTo(k) != 0)
{
if (i == (cnt - 1))
{
sb.Append(k + "=" + v);
}
else
{
sb.Append(k + "=" + v + "&");
}
}
i++;
}
if (signtype == "RSA_1_1")
{
halg = HashAlgorithmName.SHA1;
}
if (signtype == "RSA_1_256")
{
halg = HashAlgorithmName.SHA256;
}
mchPrivateKey = RSAConverter.RSAPrivateKeyJava2DotNet(key.PrviateKey);
sign = RSAHelper.SignData(mchPrivateKey, sb.ToString(), halg);
//}
this.setParameter("sign", sign);
//debug信息
this.setDebugInfo(sb.ToString() + " => sign:" + sign);
}
/// <summary>
/// 是否平台签名,规则是:按参数名称a-z排序,遇到空值的参数不参加签名。
/// </summary>
/// <returns></returns>
public virtual Boolean isTenpaySign()
{
StringBuilder sb = new StringBuilder();
HashAlgorithmName?halg = null; //签名类别
string signtype = string.Empty; //签名类型
bool right_sign = false; //检验结果真假
ArrayList akeys = new ArrayList(parameters.Keys);
akeys.Sort();
foreach (string item in akeys)
{
string myvalue = (string)parameters[item];
if (item == "sign_type")
{
signtype = myvalue;
}
}
//if (signtype == "MD5")
//{
// foreach (string k in akeys)
// {
// string v = (string)parameters[k];
// if (null != v && "".CompareTo(v) != 0
// && "sign".CompareTo(k) != 0 && "key".CompareTo(k) != 0)
// {
// sb.Append(k + "=" + v + "&");
// }
// }
// sb.Append("key=" + this.getKey());
// string sign = MD5Util.GetMD5(sb.ToString(), getCharset()).ToLower();
// this.setDebugInfo(sb.ToString() + " => sign:" + sign);
// right_sign = getParameter("sign").ToLower().Equals(sign);
//}
//else
//{
if (signtype == string.Empty)
{
right_sign = false;
}
else
{
int cnt = akeys.Count;
int i = 0;
foreach (string k in akeys)
{
string v = (string)parameters[k];
if (null != v && "".CompareTo(v) != 0 && "sign".CompareTo(k) != 0)
{
if (i == (cnt - 1))
{
sb.Append(k + "=" + v);
}
else
{
sb.Append(k + "=" + v + "&");
}
}
i++;
}
if (signtype == "RSA_1_1")
{
halg = HashAlgorithmName.SHA1;
}
if (signtype == "RSA_1_256")
{
halg = HashAlgorithmName.SHA256;
}
string wftPublicKey = RSAConverter.RSAPublicKeyJava2DotNet(options.PublicKey);
right_sign = RSAHelper.VerifyData(wftPublicKey, sb.ToString(), getParameter("sign"), halg);
}
//}
return(right_sign);
}
