using Org.BouncyCastle.Math; using Org.BouncyCastle.Security; using System; using System.Collections.Generic; namespace Org.BouncyCastle.Tls.Crypto.Impl { public abstract class AbstractTlsCrypto : TlsCrypto { public abstract SecureRandom SecureRandom { get; } public abstract bool HasAnyStreamVerifiers(IList<SignatureAndHashAlgorithm> signatureAndHashAlgorithms); public abstract bool HasAnyStreamVerifiersLegacy(short[] clientCertificateTypes); public abstract bool HasCryptoHashAlgorithm(int cryptoHashAlgorithm); public abstract bool HasCryptoSignatureAlgorithm(int cryptoSignatureAlgorithm); public abstract bool HasDHAgreement(); public abstract bool HasECDHAgreement(); public abstract bool HasEncryptionAlgorithm(int encryptionAlgorithm); public abstract bool HasHkdfAlgorithm(int cryptoHashAlgorithm); public abstract bool HasKemAgreement(); public abstract bool HasMacAlgorithm(int macAlgorithm); public abstract bool HasNamedGroup(int namedGroup); public abstract bool HasRsaEncryption(); public abstract bool HasSignatureAlgorithm(short signatureAlgorithm); public abstract bool HasSignatureAndHashAlgorithm(SignatureAndHashAlgorithm sigAndHashAlgorithm); public abstract bool HasSignatureScheme(int signatureScheme); public abstract bool HasSrpAuthentication(); public abstract TlsSecret CreateSecret(byte[] data); public abstract TlsSecret GenerateRsaPreMasterSecret(ProtocolVersion clientVersion); public virtual TlsCertificate CreateCertificate(byte[] encoding) { return CreateCertificate(0, encoding); } public abstract TlsCertificate CreateCertificate(short type, byte[] encoding); public abstract TlsCipher CreateCipher(TlsCryptoParameters cryptoParams, int encryptionAlgorithm, int macAlgorithm); public abstract TlsDHDomain CreateDHDomain(TlsDHConfig dhConfig); public abstract TlsECDomain CreateECDomain(TlsECConfig ecConfig); public abstract TlsKemDomain CreateKemDomain(TlsKemConfig kemConfig); public virtual TlsSecret AdoptSecret(TlsSecret secret) { AbstractTlsSecret abstractTlsSecret = secret as AbstractTlsSecret; if (abstractTlsSecret != null) return CreateSecret(abstractTlsSecret.CopyData()); throw new ArgumentException("unrecognized TlsSecret - cannot copy data: " + secret.GetType().FullName); } public abstract TlsHash CreateHash(int cryptoHashAlgorithm); public abstract TlsHmac CreateHmac(int macAlgorithm); public abstract TlsHmac CreateHmacForHash(int cryptoHashAlgorithm); public abstract TlsNonceGenerator CreateNonceGenerator(byte[] additionalSeedMaterial); public abstract TlsSrp6Client CreateSrp6Client(TlsSrpConfig srpConfig); public abstract TlsSrp6Server CreateSrp6Server(TlsSrpConfig srpConfig, BigInteger srpVerifier); public abstract TlsSrp6VerifierGenerator CreateSrp6VerifierGenerator(TlsSrpConfig srpConfig); public abstract TlsSecret HkdfInit(int cryptoHashAlgorithm); } }