protected override void Dispose(bool disposing)
{
if (this.IsDisposed)
{
return;
}
try
{
if (!disposing)
{
return;
}
if (!this.finalBlockTransformed && this.Transform != null)
{
this.FlushFinalBlock();
}
(this.baseStream as OperationStream)?.Dispose();
}
finally
{
try
{
this.finalBlockTransformed = true;
if (this.Transform != null)
{
this.Transform.Dispose();
}
if (this.inputBuffer != null)
{
Array.Clear((Array)this.inputBuffer, 0, this.inputBuffer.Length);
}
if (this.outputBuffer != null)
{
Array.Clear((Array)this.outputBuffer, 0, this.outputBuffer.Length);
}
this.inputBuffer = (byte[])null;
this.outputBuffer = (byte[])null;
this.blockTransform = (IBlockTransform)null;
this.baseStream = (Stream)null;
}
finally
{
this.IsDisposed = true;
base.Dispose(disposing);
}
}
}
public CFBMode(byte[] iv, IBlockTransform blockTransform, bool encryption, int paddingSizeInBytes)
: base(iv, blockTransform.BlockSizeInBytes, paddingSizeInBytes)
{
if (iv == null)
{
throw new ArgumentNullException(nameof(iv));
}
if (iv.Length != blockTransform.BlockSizeInBytes)
{
throw new ArgumentOutOfRangeException(nameof(iv));
}
this.FR = CryptoPool.Rent(iv.Length);
this.FRE = CryptoPool.Rent(iv.Length);
iv.CopyTo(this.FR, 0);
this.blockTransform = blockTransform;
this.encryption = encryption;
}
public ECBMode(IBlockTransform blockTransform, int paddingSizeInBytes)
: base(Array.Empty <byte>(), blockTransform.BlockSizeInBytes, paddingSizeInBytes)
{
this.blockTransform = blockTransform;
}
protected override byte[] Transform(IBlockTransform encryptor, byte[] data)
{
return encryptor.DecryptBlock(data);
}
public Decryptor(IBlockTransform encryptor, int blockSize, int outputSize)
: base(encryptor, blockSize, outputSize)
{ }
protected virtual byte[] Transform(IBlockTransform encryptor, byte[] data)
{
return encryptor.EncryptBlock(data);
}
public Encryptor(IBlockTransform encryptor, int blockSize, int outputSize)
{
_encryptor = encryptor;
_blockSize = blockSize;
_outputSize = outputSize;
}
protected override byte[] Transform(IBlockTransform encryptor, byte[] data)
{
return(encryptor.DecryptBlock(data));
}
public Decryptor(IBlockTransform encryptor, int blockSize, int outputSize)
: base(encryptor, blockSize, outputSize)
{
}
protected virtual byte[] Transform(IBlockTransform encryptor, byte[] data)
{
return(encryptor.EncryptBlock(data));
}
public Encryptor(IBlockTransform encryptor, int blockSize, int outputSize)
{
_encryptor = encryptor;
_blockSize = blockSize;
_outputSize = outputSize;
}