XCI-Explorer/XTSSharp/XtsAes128.cs

using System;
using System.Security.Cryptography;

namespace XTSSharp
{
	public class XtsAes128 : Xts
	{
		private const int KEY_LENGTH = 128;

		private const int KEY_BYTE_LENGTH = 16;

		protected XtsAes128(Func<SymmetricAlgorithm> create, byte[] key1, byte[] key2)
			: base(create, Xts.VerifyKey(128, key1), Xts.VerifyKey(128, key2))
		{
		}

		public static Xts Create(byte[] key1, byte[] key2)
		{
			Xts.VerifyKey(128, key1);
			Xts.VerifyKey(128, key2);
			return new XtsAes128(Aes.Create, key1, key2);
		}

		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);
		}
	}
}