#if !BESTHTTP_DISABLE_ALTERNATE_SSL && (!UNITY_WEBGL || UNITY_EDITOR) using System; namespace Org.BouncyCastle.Crypto { /// <summary>The interface stream ciphers conform to.</summary> public interface IStreamCipher { /// <summary>The name of the algorithm this cipher implements.</summary> string AlgorithmName { get; } /// <summary>Initialise the cipher.</summary> /// <param name="forEncryption">If true the cipher is initialised for encryption, /// if false for decryption.</param> /// <param name="parameters">The key and other data required by the cipher.</param> /// <exception cref="ArgumentException"> /// If the parameters argument is inappropriate. /// </exception> void Init(bool forEncryption, ICipherParameters parameters); /// <summary>encrypt/decrypt a single byte returning the result.</summary> /// <param name="input">the byte to be processed.</param> /// <returns>the result of processing the input byte.</returns> byte ReturnByte(byte input); /// <summary> /// Process a block of bytes from <c>input</c> putting the result into <c>output</c>. /// </summary> /// <param name="input">The input byte array.</param> /// <param name="inOff"> /// The offset into <c>input</c> where the data to be processed starts. /// </param> /// <param name="length">The number of bytes to be processed.</param> /// <param name="output">The output buffer the processed bytes go into.</param> /// <param name="outOff"> /// The offset into <c>output</c> the processed data starts at. /// </param> /// <exception cref="DataLengthException">If the output buffer is too small.</exception> void ProcessBytes(byte[] input, int inOff, int length, byte[] output, int outOff); /// <summary> /// Reset the cipher to the same state as it was after the last init (if there was one). /// </summary> void Reset(); } } #endif