public DsaDigestSigner(
IDsa dsa,
IDigest digest)
{
this.dsa = dsa;
this.digest = digest;
this.encoding = StandardDsaEncoding.Instance;
}
public DsaDigestSigner(
IDsaExt dsa,
IDigest digest,
IDsaEncoding encoding)
{
this.dsa = dsa;
this.digest = digest;
this.encoding = encoding;
}
public static string GenerateSignature(string InputData, string PrivateKeyPath, string PublicKeyPath)
{
string s = InputData;
// s = "20685b5fbfe1898fbb080b0719acc9ed2f365128627f21ffcc1b1ee27471e69e";
try
{
IDsaEncoding encoding = StandardDsaEncoding.Instance;
var encoder = new ASCIIEncoding();
var bencoder = new Base64Encoder();
//var key = GenerateKeys(128);
AsymmetricCipherKeyPair MyKey = getPrivateKeyFromPemFile(PrivateKeyPath);
ECPublicKeyParameters pubicKey = getPublicKeyFromPemFile(PublicKeyPath);
//var pubicKey = (ECPublicKeyParameters)(MyKey1.Public);
var privateKey = (ECPrivateKeyParameters)(MyKey.Private);
var signature = GetSignature(s, privateKey);
BigInteger[] sig = encoding.Decode(GetOrder(), signature);
//System.Numerics.BigInteger sigval = 0;
//System.Numerics.BigInteger.TryParse(sig[1].ToString(), out sigval);
var finalsignature = sig[0].ToString(16) + sig[1].ToString(16);
var signatureOK = VerifySignature(pubicKey, s, signature);
if (signatureOK)
{
return(finalsignature);
}
else
{
return("");
}
}
catch (Exception ex)
{
Console.WriteLine(ex.Message);
return("");
}
}
public SM2Signer(IDsaEncoding encoding, IDigest digest)
{
this.encoding = encoding;
this.digest = digest;
}
public SM2Signer(IDsaEncoding encoding)
: this(encoding, new SM3Digest())
{
}
public SM2Signer(IDsaEncoding encoding)
{
this.encoding = encoding;
}
public SM2Signer()
{
this.encoding = StandardDsaEncoding.Instance;
}
