using Org.BouncyCastle.Crypto.Parameters; using Org.BouncyCastle.Crypto.Signers; using System; namespace Org.BouncyCastle.Tls.Crypto.Impl.BC { public class BcTlsEd25519Signer : BcTlsSigner { public BcTlsEd25519Signer(BcTlsCrypto crypto, Ed25519PrivateKeyParameters privateKey) : base(crypto, privateKey) { } public override TlsStreamSigner GetStreamSigner(SignatureAndHashAlgorithm algorithm) { if (algorithm == null || SignatureScheme.From(algorithm) != 2055) throw new InvalidOperationException("Invalid algorithm: " + algorithm?.ToString()); Ed25519Signer ed25519Signer = new Ed25519Signer(); ed25519Signer.Init(true, m_privateKey); return new BcTlsStreamSigner(ed25519Signer); } } }