//RSA签名
private static String addSignRSA(SortedDictionary <string, string> sParaTemp, String rsa_private)
{
string oid_partner;
sParaTemp.TryGetValue("sign_type", out oid_partner);
Console.WriteLine("进入商户[" + oid_partner + "]MD5加签名");
if (sParaTemp == null)
{
return("");
}
// 生成签名原串
String sign_src = genSignData(sParaTemp);
Console.WriteLine("商户[" + oid_partner + "]加签原串"
+ sign_src);
Console.WriteLine("RSA签名key:" + rsa_private);
try
{
string sign = RSAFromPkcs8.sign(sign_src, rsa_private, "utf-8");
Console.WriteLine("商户[" + oid_partner + "]签名结果"
+ sign);
return(sign);
} catch (Exception e)
{
Console.WriteLine("商户[" + oid_partner + "]RSA加签名异常" + e.Message);
return("");
}
}
//RSA验签
private static bool checkSignRSA(SortedDictionary <string, string> sParaTemp, String rsa_public)
{
string oid_partner;
sParaTemp.TryGetValue("sign_type", out oid_partner);
Console.WriteLine("进入商户[" + oid_partner + "]MD5签名验证");
if (sParaTemp == null)
{
return(false);
}
String sign;
if (!sParaTemp.TryGetValue("sign", out sign))
{
return(false);
}
// 生成签名原串
String sign_src = genSignData(sParaTemp);
Console.WriteLine("商户[" + oid_partner + "]待签名原串"
+ sign_src);
Console.WriteLine("商户[" + oid_partner + "]签名串"
+ sign);
try
{
if (RSAFromPkcs8.verify(sign_src, sign, rsa_public, "UTF-8"))
{
Console.WriteLine("商户[" + oid_partner
+ "]RSA签名验证通过");
return(true);
}
else
{
Console.WriteLine("商户[" + oid_partner
+ "]RSA签名验证未通过");
return(false);
}
} catch (Exception e)
{
Console.WriteLine("商户[" + oid_partner
+ "]RSA签名验证异常" + e.Message);
return(false);
}
}