Org.BouncyCastle.Crypto.Engines.Salsa20Engine.Init C# (CSharp) Метод

		public void Init(
			bool				forEncryption, 
			ICipherParameters	parameters)
		{
			/* 
			* Salsa20 encryption and decryption is completely
			* symmetrical, so the 'forEncryption' is 
			* irrelevant. (Like 90% of stream ciphers)
			*/

			ParametersWithIV ivParams = parameters as ParametersWithIV;

			if (ivParams == null)
				throw new ArgumentException("Salsa20 Init requires an IV", "parameters");

			byte[] iv = ivParams.GetIV();

			if (iv == null || iv.Length != 8)
				throw new ArgumentException("Salsa20 requires exactly 8 bytes of IV");

			KeyParameter key = ivParams.Parameters as KeyParameter;

			if (key == null)
				throw new ArgumentException("Salsa20 Init requires a key", "parameters");

			workingKey = key.GetKey();
			workingIV = iv;

			setKey(workingKey, workingIV);
		}

		private void salsa20Test2(
			ICipherParameters	parameters,
			string				v0,
			string				v65472,
			string				v65536)
		{
			IStreamCipher salsa = new Salsa20Engine();
			byte[]       buf = new byte[64];

			salsa.Init(true, parameters);

			for (int i = 0; i != 1025; i++)
			{
				salsa.ProcessBytes(zeroes, 0, 64, buf, 0);
				switch (i)
				{
				case 0:
					if (!AreEqual(buf, Hex.Decode(v0)))
					{
						mismatch("v0", v0, buf);
					}
					break;
				case 1023:
					if (!AreEqual(buf, Hex.Decode(v65472)))
					{
						mismatch("v65472", v65472, buf);
					}
					break;
				case 1024:
					if (!AreEqual(buf, Hex.Decode(v65536)))
					{
						mismatch("v65536", v65536, buf);
					}
					break;
				default:
					// ignore
					break;
				}
			}
		}