BcTlsHash
using Org.BouncyCastle.Crypto;
namespace Org.BouncyCastle.Tls.Crypto.Impl.BC
{
internal sealed class BcTlsHash : TlsHash
{
private readonly BcTlsCrypto m_crypto;
private readonly int m_cryptoHashAlgorithm;
private readonly IDigest m_digest;
internal BcTlsHash(BcTlsCrypto crypto, int cryptoHashAlgorithm)
: this(crypto, cryptoHashAlgorithm, crypto.CreateDigest(cryptoHashAlgorithm))
{
}
private BcTlsHash(BcTlsCrypto crypto, int cryptoHashAlgorithm, IDigest digest)
{
m_crypto = crypto;
m_cryptoHashAlgorithm = cryptoHashAlgorithm;
m_digest = digest;
}
public void Update(byte[] data, int offSet, int length)
{
m_digest.BlockUpdate(data, offSet, length);
}
public byte[] CalculateHash()
{
byte[] array = new byte[m_digest.GetDigestSize()];
m_digest.DoFinal(array, 0);
return array;
}
public TlsHash CloneHash()
{
IDigest digest = m_crypto.CloneDigest(m_cryptoHashAlgorithm, m_digest);
return new BcTlsHash(m_crypto, m_cryptoHashAlgorithm, digest);
}
public void Reset()
{
m_digest.Reset();
}
}
}