/// <summary>
/// 验签
/// </summary>
/// <param name="data">签名前的数据</param>
/// <param name="publickey">公钥</param>
/// <param name="sign">签名</param>
/// <param name="encoding"></param>
/// <returns></returns>
public static bool rsaCheck(string data, string publickey, string sign, string encoding = "UTF-8")
{
byte[] bt = Encoding.GetEncoding(encoding).GetBytes(data);
byte[] bt2 = Convert.FromBase64String(sign);
RSA_PEM pem = RSA_PEM.FromPEM(publickey);
using (RSACryptoServiceProvider provider = pem.GetRSA())
{
return(provider.VerifyData(bt, CryptoConfig.MapNameToOID("SHA256"), bt2));
}
}
///// <summary>
/////
///// </summary>
///// <param name="dataStr">配置json</param>
///// <param name="keyFile">证书路径</param>
///// <param name="password">证书密码</param>
///// <returns></returns>
//public static string Sha256Sign(string dataStr, string keyFile, string password)
//{
// using (RSACryptoServiceProvider sha256 = new RSACryptoServiceProvider())
// {
// var privateKey = GetPrivateKey(keyFile, password); //获取私钥
// byte[] dataInBytes = Encoding.Default.GetBytes(dataStr);
// sha256.FromXmlString(privateKey);
// byte[] inArray = sha256.SignData(dataInBytes, CryptoConfig.MapNameToOID("SHA256"));
// string sign = Convert.ToBase64String(inArray);
// return sign;
// }
//}
/// <summary>
/// 签名
/// </summary>
/// <param name="str">需签名的数据</param>
/// <param name="privateKey">私钥</param>
/// <param name="encoding">编码格式 默认utf-8</param>
/// <returns></returns>
public static string Signature(string str, string privateKey, string encoding = "UTF-8")
{
byte[] bt = Encoding.GetEncoding(encoding).GetBytes(str);
RSA_PEM pem = RSA_PEM.FromPEM(privateKey);
using (RSACryptoServiceProvider provider = pem.GetRSA())
{
byte[] inArray = provider.SignData(bt, CryptoConfig.MapNameToOID("SHA256"));
string sign = Convert.ToBase64String(inArray);
return(sign);
}
}
