BcVerifyingStreamSigner
using Org.BouncyCastle.Crypto;
using Org.BouncyCastle.Crypto.IO;
using Org.BouncyCastle.Utilities.IO;
using System.IO;
namespace Org.BouncyCastle.Tls.Crypto.Impl.BC
{
internal sealed class BcVerifyingStreamSigner : TlsStreamSigner
{
private readonly ISigner m_signer;
private readonly ISigner m_verifier;
private readonly TeeOutputStream m_output;
public Stream Stream => m_output;
internal BcVerifyingStreamSigner(ISigner signer, ISigner verifier)
{
Stream output = new SignerSink(signer);
Stream tee = new SignerSink(verifier);
m_signer = signer;
m_verifier = verifier;
m_output = new TeeOutputStream(output, tee);
}
public byte[] GetSignature()
{
try {
byte[] array = m_signer.GenerateSignature();
if (m_verifier.VerifySignature(array))
return array;
} catch (CryptoException alertCause) {
throw new TlsFatalAlert(80, alertCause);
}
throw new TlsFatalAlert(80);
}
}
}