SSH.NET/Renci.SshClient/Renci.SshNet.Tests/Security/Cryptography/TestCast.cs

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using Microsoft.VisualStudio.TestTools.UnitTesting;

namespace Renci.SshNet.Tests.Security.Cryptography
{
    [TestClass]
    public class TestCast
    {
        [TestMethod]
        public void Test_Cast_128_CBC_NoPadding()
        {
            var key = new byte[] { 0xd3, 0x2b, 0x5e, 0x1e, 0xfe, 0x99, 0x02, 0xc2, 0x85, 0x85, 0x49, 0xb5, 0x29, 0x4a, 0x8c, 0x44 };
            var iv = new byte[] { 0x76, 0xc2, 0xd7, 0x95, 0x80, 0x39, 0xd1, 0xb7 };
            var input = new byte[] { 0x00, 0x00, 0x00, 0x1c, 0x0a, 0x05, 0x00, 0x00, 0x00, 0x0c, 0x73, 0x73, 0x68, 0x2d, 0x75, 0x73, 0x65, 0x72, 0x61, 0x75, 0x74, 0x68, 0xc8, 0xdc, 0xcb, 0x70, 0xb0, 0x53, 0xfe, 0xd5, 0x80, 0xf7 };
            var correctEncoding = new byte[] { 0x90, 0x1c, 0x5b, 0x18, 0xc1, 0xe2, 0xce, 0x96, 0xe4, 0x55, 0x13, 0xce, 0x1d, 0x84, 0xf8, 0xb0, 0xb3, 0x22, 0x73, 0x06, 0xf6, 0xf9, 0x4b, 0x06, 0xf9, 0x07, 0x38, 0x6e, 0xea, 0x0d, 0x6a, 0xb8 };

            var encodedResult = new byte[input.Length];
            var decodedResult = new byte[input.Length];

            var cipher = new Renci.SshNet.Security.Cryptography.Cast(128);
            cipher.Mode = System.Security.Cryptography.CipherMode.CBC;
            var enc = cipher.CreateEncryptor(key, iv);
            enc.TransformBlock(input, 0, input.Length, encodedResult, 0);

            var dec = cipher.CreateDecryptor(key, iv);
            dec.TransformBlock(encodedResult, 0, encodedResult.Length, decodedResult, 0);

            Assert.IsTrue(encodedResult.IsEqualTo(correctEncoding));
            Assert.IsTrue(decodedResult.IsEqualTo(input));
        }
    }
}