internal static IBufferedCipher CreateBufferedCipher(string name, AlgorithmMode algorithmMode, IParametersWithIV <IParameters <Algorithm>, Algorithm> parameters, bool forEncryption, IEngineProvider <Internal.IBlockCipher> cipherProvider)
{
Internal.IBlockCipher baseCipher = cipherProvider.CreateEngine(GetUsage(forEncryption, algorithmMode));
Internal.IBlockCipher cipher;
switch (algorithmMode)
{
case AlgorithmMode.CBC:
cipher = new CbcBlockCipher(baseCipher);
break;
case AlgorithmMode.CS1:
return(new NistCtsBlockCipher(NistCtsBlockCipher.CS1, baseCipher));
case AlgorithmMode.CS2:
return(new NistCtsBlockCipher(NistCtsBlockCipher.CS2, baseCipher));
case AlgorithmMode.CS3:
return(new NistCtsBlockCipher(NistCtsBlockCipher.CS3, baseCipher));
case AlgorithmMode.CFB8:
cipher = new CfbBlockCipher(baseCipher, 8);
break;
case AlgorithmMode.CFB64:
cipher = new CfbBlockCipher(baseCipher, 64);
break;
case AlgorithmMode.CFB128:
cipher = new CfbBlockCipher(baseCipher, 128);
break;
case AlgorithmMode.OpenPGPCFB:
cipher = new OpenPgpCfbBlockCipher(baseCipher);
break;
case AlgorithmMode.OFB64:
cipher = new OfbBlockCipher(baseCipher, 64);
break;
case AlgorithmMode.OFB128:
cipher = new OfbBlockCipher(baseCipher, 128);
break;
case AlgorithmMode.CTR:
cipher = new SicBlockCipher(baseCipher);
break;
default:
throw new ArgumentException("Unknown algorithm mode passed to " + name + ".Provider: " + algorithmMode);
}
return(new BufferedBlockCipher(cipher));
}
internal static IAeadBlockCipher CreateAeadCipher(string name, AlgorithmMode algorithmMode, IParametersWithIV <IParameters <Algorithm>, Algorithm> parameters, bool forEncryption, IEngineProvider <Internal.IBlockCipher> cipherProvider)
{
Internal.IBlockCipher baseCipher = cipherProvider.CreateEngine(GetUsage(forEncryption, algorithmMode));
switch (algorithmMode)
{
case AlgorithmMode.CCM:
return(new CcmBlockCipher(baseCipher));
case AlgorithmMode.GCM:
return(new GcmBlockCipher(baseCipher));
default:
throw new ArgumentException("Unknown algorithm mode passed to " + name + ".Provider: " + algorithmMode);
}
}
