public static Xts Create(byte[] key)
{
Xts.VerifyKey(512, key);
byte[] array = new byte[32];
byte[] array2 = new byte[32];
Buffer.BlockCopy(key, 0, array, 0, 32);
Buffer.BlockCopy(key, 32, array2, 0, 32);
return(new XtsAes256(Aes.Create, array, array2));
}
public static Xts Create(byte[] key)
{
Xts.VerifyKey(256, key);
byte[] array = new byte[16];
byte[] array2 = new byte[16];
Buffer.BlockCopy(key, 0, array, 0, 16);
Buffer.BlockCopy(key, 16, array2, 0, 16);
return(new XtsAes128(Aes.Create, array, array2));
}
public XtsStream(Stream baseStream, Xts xts)
: this(baseStream, xts, 512)
{
}
public XtsStream(Stream baseStream, Xts xts, int sectorSize, long offset)
: base(new XtsSectorStream(baseStream, xts, sectorSize, offset), true)
{
}
public XtsStream(Stream baseStream, Xts xts, int sectorSize)
: base(new XtsSectorStream(baseStream, xts, sectorSize), true)
{
}
/// <summary>
/// Creates a new stream
/// </summary>
/// <param name="baseStream">The base stream</param>
/// <param name="xts">The xts transform</param>
/// <param name="sectorSize">Sector size</param>
/// <param name="offset">Offset to start counting sectors</param>
public XtsSectorStream(Stream baseStream, Xts xts, int sectorSize, long offset)
: base(baseStream, sectorSize, offset)
{
_xts = xts;
_tempBuffer = new byte[sectorSize];
}
/// <summary>
/// Creates a new stream
/// </summary>
/// <param name="baseStream">The base stream</param>
/// <param name="xts">The xts transform</param>
/// <param name="sectorSize">Sector size</param>
public XtsSectorStream(Stream baseStream, Xts xts, int sectorSize)
: this(baseStream, xts, sectorSize, 0)
{
}
/// <summary>
/// Creates a new stream with the default sector size
/// </summary>
/// <param name="baseStream">The base stream</param>
/// <param name="xts">The xts transform</param>
public XtsSectorStream(Stream baseStream, Xts xts)
: this(baseStream, xts, DEFAULT_SECTOR_SIZE)
{
}
public static Xts Create(byte[] key1, byte[] key2)
{
Xts.VerifyKey(256, key1);
Xts.VerifyKey(256, key2);
return(new XtsAes256(Aes.Create, key1, key2));
}
protected XtsAes256(Func <SymmetricAlgorithm> create, byte[] key1, byte[] key2)
: base(create, Xts.VerifyKey(256, key1), Xts.VerifyKey(256, key2))
{
}
public VideoCacheDownloadOperationOutputWithEncryption(StorageFile destinationFile, XTSSharp.Xts xts)
{
_destinationFile = destinationFile;
_xts = xts;
}