/// <exception cref="System.IO.IOException"/>
public CryptoInputStream(InputStream @in, CryptoCodec codec, int bufferSize, byte
[] key, byte[] iv, long streamOffset)
: base(@in)
{
// Underlying stream offset.
CryptoStreamUtils.CheckCodec(codec);
this.bufferSize = CryptoStreamUtils.CheckBufferSize(codec, bufferSize);
this.codec = codec;
this.key = key.MemberwiseClone();
this.initIV = iv.MemberwiseClone();
this.iv = iv.MemberwiseClone();
this.streamOffset = streamOffset;
isByteBufferReadable = @in is ByteBufferReadable;
isReadableByteChannel = @in is ReadableByteChannel;
inBuffer = ByteBuffer.AllocateDirect(this.bufferSize);
outBuffer = ByteBuffer.AllocateDirect(this.bufferSize);
decryptor = GetDecryptor();
ResetStreamOffset(streamOffset);
}
/// <exception cref="System.IO.IOException"/>
public CryptoOutputStream(OutputStream @out, CryptoCodec codec, int bufferSize, byte
[] key, byte[] iv, long streamOffset)
: base(@out)
{
// Underlying stream offset.
CryptoStreamUtils.CheckCodec(codec);
this.bufferSize = CryptoStreamUtils.CheckBufferSize(codec, bufferSize);
this.codec = codec;
this.key = key.MemberwiseClone();
this.initIV = iv.MemberwiseClone();
this.iv = iv.MemberwiseClone();
inBuffer = ByteBuffer.AllocateDirect(this.bufferSize);
outBuffer = ByteBuffer.AllocateDirect(this.bufferSize);
this.streamOffset = streamOffset;
try
{
encryptor = codec.CreateEncryptor();
}
catch (GeneralSecurityException e)
{
throw new IOException(e);
}
UpdateEncryptor();
}
