public DeviceConsistencyMessage(DeviceConsistencyCommitment commitment, IdentityKeyPair identityKeyPair)
{
try
{
byte[] signatureBytes = Curve.CalculateVrfSignature(identityKeyPair.GetPrivateKey(), commitment.ToByteArray());
byte[] vrfOutputBytes = Curve.VerifyVrfSignature(identityKeyPair.GetPublicKey().GetPublicKey(), commitment.ToByteArray(), signatureBytes);
_generation = commitment.GetGeneration();
_signature = new DeviceConsistencySignature(signatureBytes, vrfOutputBytes);
_serialized = SignalProtos.DeviceConsistencyCodeMessage.CreateBuilder()
.SetGeneration((uint)commitment.GetGeneration())
.SetSignature(ByteString.CopyFrom(_signature.GetSignature()))
.Build()
.ToByteArray();
}
catch (InvalidKeyException e)
{
Debug.Assert(false);
throw e;
}
catch (VrfSignatureVerificationFailedException e)
{
Debug.Assert(false);
throw e;
}
}
public DeviceConsistencyMessage(DeviceConsistencyCommitment commitment, IdentityKeyPair identityKeyPair)
{
try
{
byte[] signatureBytes = Curve.calculateVrfSignature(identityKeyPair.getPrivateKey(), commitment.toByteArray());
byte[] vrfOutputBytes = Curve.verifyVrfSignature(identityKeyPair.getPublicKey().getPublicKey(), commitment.toByteArray(), signatureBytes);
this.generation = commitment.getGeneration();
this.signature = new DeviceConsistencySignature(signatureBytes, vrfOutputBytes);
this.serialized = new DeviceConsistencyCodeMessage
{
Generation = (uint)commitment.getGeneration(),
Signature = ByteString.CopyFrom(signature.getSignature())
}.ToByteArray();
}
catch (InvalidKeyException e)
{
Debug.Assert(false);
throw e;
}
catch (VrfSignatureVerificationFailedException e)
{
Debug.Assert(false);
throw e;
}
}
public DeviceConsistencyMessage(DeviceConsistencyCommitment commitment, byte[] serialized, IdentityKey identityKey)
{
try
{
SignalProtos.DeviceConsistencyCodeMessage message = SignalProtos.DeviceConsistencyCodeMessage.ParseFrom(serialized);
byte[] vrfOutputBytes = Curve.VerifyVrfSignature(identityKey.GetPublicKey(), commitment.ToByteArray(), message.Signature.ToByteArray());
_generation = (int)message.Generation;
_signature = new DeviceConsistencySignature(message.Signature.ToByteArray(), vrfOutputBytes);
_serialized = serialized;
}
catch (InvalidProtocolBufferException e)
{
throw new InvalidMessageException(e);
}
catch (InvalidKeyException e)
{
throw new InvalidMessageException(e);
}
catch (VrfSignatureVerificationFailedException e)
{
throw new InvalidMessageException(e);
}
}
