public void DataSignAndVerify()
{
// Arrange
var privateKey = HexMate.Convert.FromHexString(PrivateKeys[1]);
var messageData = MessageData[1];
Console.WriteLine("Input:");
Console.WriteLine("Private Key: [{0}] {1}", privateKey.Length, HexMate.Convert.ToHexString(privateKey));
Console.WriteLine("MessageData: [{0}] {1}", messageData.Length, HexMate.Convert.ToHexString(messageData));
// Act
var parameters = new BLSParameters()
{
PrivateKey = privateKey
};
using var bls = new BLSHerumi(parameters);
var publicKey = new byte[48];
_ = bls.TryExportBlsPublicKey(publicKey, out var _);
Console.WriteLine("Public Key: [{0}] {1}", publicKey.Length, HexMate.Convert.ToHexString(publicKey));
var signature = new byte[96];
var signatureSuccess = bls.TrySignData(messageData, signature.AsSpan(), out var bytesWritten);
Console.WriteLine("Signature: {0} [{1}] {2}", signatureSuccess, bytesWritten, HexMate.Convert.ToHexString(signature));
var verifySuccess = bls.VerifyData(messageData, signature);
Console.WriteLine("Verify1: {0}", verifySuccess);
var parameters2 = new BLSParameters()
{
PublicKey = publicKey
};
using var bls2 = new BLSHerumi(parameters);
var verifySuccess2 = bls2.VerifyData(messageData, signature);
Console.WriteLine("Verify2: {0}", verifySuccess2);
verifySuccess2.ShouldBeTrue();
}
public void Sign(string testName, byte[] privateKey, byte[] messageData, byte[] expected)
{
// Arrange
var parameters = new BLSParameters()
{
PrivateKey = privateKey
};
Console.WriteLine("Input:");
Console.WriteLine("MessageData: [{0}] {1}", messageData.Length, HexMate.Convert.ToHexString(messageData));
Console.WriteLine("Private Key: [{0}] {1}", privateKey.Length, HexMate.Convert.ToHexString(privateKey));
// Act
using var bls = new BLSHerumi(parameters);
var result = new byte[96];
//var success = bls.TrySignData(privateKey, messageData, result.AsSpan(), out var bytesWritten);
var success = bls.TrySignData(messageData, result.AsSpan(), out var bytesWritten);
Console.WriteLine("Output:");
Console.WriteLine("Signature: {0} [{1}] {2}", success, bytesWritten, HexMate.Convert.ToHexString(result));
// Assert
result.ShouldBe(expected);
}
public void SignTwoDataAndAggregateVerify()
{
// Arrange
var privateKey1 = HexMate.Convert.FromHexString(PrivateKeys[1]);
var privateKey2 = HexMate.Convert.FromHexString(PrivateKeys[2]);
var messageData1 = MessageData[1];
var messageData2 = MessageData[2];
Console.WriteLine("Input:");
Console.WriteLine("Private Key 1: [{0}] {1}", privateKey1.Length, HexMate.Convert.ToHexString(privateKey1));
Console.WriteLine("MessageData 1: [{0}] {1}", messageData1.Length, HexMate.Convert.ToHexString(messageData1));
Console.WriteLine("Private Key 2: [{0}] {1}", privateKey2.Length, HexMate.Convert.ToHexString(privateKey2));
Console.WriteLine("MessageData 2: [{0}] {1}", messageData2.Length, HexMate.Convert.ToHexString(messageData2));
// Sign 1
using var bls1 = new BLSHerumi(new BLSParameters()
{
PrivateKey = privateKey1
});
var signature1 = new byte[96];
_ = bls1.TrySignData(messageData1, signature1.AsSpan(), out var _);
Console.WriteLine("Signature 1: [{0}] {1}", signature1.Length, HexMate.Convert.ToHexString(signature1));
var publicKey1 = new byte[48];
_ = bls1.TryExportBlsPublicKey(publicKey1, out var _);
Console.WriteLine("Public Key 1: [{0}] {1}", publicKey1.Length, HexMate.Convert.ToHexString(publicKey1));
// Sign 2
using var bls2 = new BLSHerumi(new BLSParameters()
{
PrivateKey = privateKey2
});
var signature2 = new byte[96];
_ = bls2.TrySignData(messageData2, signature2.AsSpan(), out var _);
Console.WriteLine("Signature 2: [{0}] {1}", signature2.Length, HexMate.Convert.ToHexString(signature2));
var publicKey2 = new byte[48];
_ = bls2.TryExportBlsPublicKey(publicKey2, out var _);
Console.WriteLine("Public Key 2: [{0}] {1}", publicKey2.Length, HexMate.Convert.ToHexString(publicKey2));
// Concatenate public keys
var publicKeys = new Span <byte>(new byte[48 * 2]);
publicKey1.CopyTo(publicKeys);
publicKey2.CopyTo(publicKeys.Slice(48));
// Aggregate signatures
var signatures = new Span <byte>(new byte[96 * 2]);
signature1.CopyTo(signatures);
signature2.CopyTo(signatures.Slice(96));
using var blsAggregate = new BLSHerumi(new BLSParameters());
var aggregateSignature = new byte[96];
blsAggregate.TryAggregateSignatures(signatures, aggregateSignature, out var _);
Console.WriteLine("Aggregate Signature: [{0}] {1}", aggregateSignature.Length, HexMate.Convert.ToHexString(aggregateSignature));
// Concatenate data
var data = new Span <byte>(new byte[32 * 2]);
messageData1.CopyTo(data);
messageData2.CopyTo(data.Slice(32));
// Aggregate verify
using var blsVerify = new BLSHerumi(new BLSParameters());
var verifySuccess = blsVerify.AggregateVerifyData(publicKeys, data, aggregateSignature);
Console.WriteLine("Verify: {0}", verifySuccess);
verifySuccess.ShouldBeTrue();
}