namespace Org.BouncyCastle.Tls.Crypto { public interface TlsCipher { bool UsesOpaqueRecordType { get; } int GetCiphertextDecodeLimit(int plaintextLimit); int GetCiphertextEncodeLimit(int plaintextLength, int plaintextLimit); int GetPlaintextLimit(int ciphertextLimit); TlsEncodeResult EncodePlaintext(long seqNo, short contentType, ProtocolVersion recordVersion, int headerAllocation, byte[] plaintext, int offset, int len); TlsDecodeResult DecodeCiphertext(long seqNo, short recordType, ProtocolVersion recordVersion, byte[] ciphertext, int offset, int len); void RekeyDecoder(); void RekeyEncoder(); } }