EdDsaSigner
using Org.BouncyCastle.Crypto;
using Org.BouncyCastle.Security;
namespace Org.BouncyCastle.Bcpg.OpenPgp
{
internal sealed class EdDsaSigner : ISigner
{
private readonly ISigner m_signer;
private readonly IDigest m_digest;
public string AlgorithmName => m_signer.AlgorithmName;
internal EdDsaSigner(ISigner signer, IDigest digest)
{
m_signer = signer;
m_digest = digest;
}
public void Init(bool forSigning, ICipherParameters cipherParameters)
{
m_signer.Init(forSigning, cipherParameters);
m_digest.Reset();
}
public void Update(byte b)
{
m_digest.Update(b);
}
public void BlockUpdate(byte[] input, int inOff, int inLen)
{
m_digest.BlockUpdate(input, inOff, inLen);
}
public int GetMaxSignatureSize()
{
return m_signer.GetMaxSignatureSize();
}
public byte[] GenerateSignature()
{
FinalizeDigest();
return m_signer.GenerateSignature();
}
public bool VerifySignature(byte[] signature)
{
FinalizeDigest();
return m_signer.VerifySignature(signature);
}
public void Reset()
{
m_signer.Reset();
m_digest.Reset();
}
private void FinalizeDigest()
{
byte[] array = DigestUtilities.DoFinal(m_digest);
m_signer.BlockUpdate(array, 0, array.Length);
}
}
}