public bool VerifyDataSignature(byte[] buffer, byte[] signature)
{
using (SHA512Managed sha = new SHA512Managed())
{
var buffHash = sha.ComputeHash(buffer);
return(GMSS.VerifyGMSSSignature(buffHash, signature, _publicKeyFile));
}
}
public byte[] ComputeHash(byte[] buffer)
{
using (SHA512Managed sha = new SHA512Managed())
{
var buffHash = sha.ComputeHash(buffer);
return(GMSS.SignWithGMSS(buffHash, _privateKeyFile));
}
}
static void Main(string[] args)
{
Console.WriteLine("Hello World!");
// GMSS/JWT test
string testLabel = "MarekTest123";
var keyPairFiles = GMSS.GenerateGMSSKeys(testLabel);
JwtPayload jwtPayload = new JwtPayload();
jwtPayload.Issuer = "Marek";
jwtPayload.IssuedAt = DateTimeOffset.UtcNow.ToUnixTimeSeconds();
jwtPayload.NotBefore = jwtPayload.IssuedAt;
jwtPayload.Expires = jwtPayload.NotBefore + 3600;
jwtPayload.Subject = "MarekTester";
jwtPayload.Audience = "MarekTest";
var jwtEncoded = JsonWebToken.Encode(jwtPayload, keyPairFiles.Item1, JwtAlgorithm.GMSS512);
var jwtDecoded = JsonWebToken.Decode(jwtEncoded, keyPairFiles.Item2, "", "");
return;
// GMSS TEST
TestSign(GMSSParamSets.FromName(GMSSVersion));
return;
// RSM/TSM TEST:
KeyParams keyParams = null;
byte[] test = Encoding.UTF8.GetBytes("ala ma kotka");
var testStream = new MemoryStream(test);
using (KeyGenerator kg = new KeyGenerator())
{
keyParams = kg.GetKeyParams(192, 32, 32); // for TSM: kg.GetKeyParams(192, 16, 16); // for RSM: kg.GetKeyParams(192, 32, 32);
}
var testEncrypted = Encrypt(test, keyParams);
var testDecrypted = Decrypt(testEncrypted, keyParams);
var xxxxx = Encoding.UTF8.GetString(testDecrypted);
}