using Org.BouncyCastle.Crypto; using System; namespace Org.BouncyCastle.Tls.Crypto.Impl.BC { public abstract class BcTlsSigner : TlsSigner { protected readonly BcTlsCrypto m_crypto; protected readonly AsymmetricKeyParameter m_privateKey; protected BcTlsSigner(BcTlsCrypto crypto, AsymmetricKeyParameter privateKey) { if (crypto == null) throw new ArgumentNullException("crypto"); if (privateKey == null) throw new ArgumentNullException("privateKey"); if (!privateKey.IsPrivate) throw new ArgumentException("must be private", "privateKey"); m_crypto = crypto; m_privateKey = privateKey; } public virtual byte[] GenerateRawSignature(SignatureAndHashAlgorithm algorithm, byte[] hash) { throw new NotSupportedException(); } public virtual TlsStreamSigner GetStreamSigner(SignatureAndHashAlgorithm algorithm) { return null; } } }