modernkeepass/ModernKeePassLib.Test/Keys/CompositeKeyTests.cs

using NUnit.Framework;
using ModernKeePassLib.Cryptography.KeyDerivation;
using ModernKeePassLib.Keys;

namespace ModernKeePassLib.Test.Shared.Keys
{
  [TestFixture ()]
  public class CompositeKeyTests
  {
    [Test]
    public void TestGenerateKey32 ()
    {
        var originalKey = new byte[32];
        var expectedKey = new byte[32] {
        0xF0, 0xED, 0x57, 0xD5, 0xF0, 0xDA, 0xF3, 0x47,
        0x90, 0xD0, 0xDB, 0x43, 0x25, 0xC6, 0x81, 0x2C,
        0x81, 0x6A, 0x0D, 0x94, 0x96, 0xA9, 0x03, 0xE1,
        0x20, 0xD4, 0x3A, 0x3E, 0x45, 0xAD, 0x02, 0x65
        };
        const ulong rounds = 1;

        var composite = new CompositeKey ();
        AesKdf kdf = new AesKdf();
        KdfParameters p = kdf.GetDefaultParameters();
        p.SetUInt64(AesKdf.ParamRounds, rounds);
        p.SetByteArray(AesKdf.ParamSeed, originalKey);
        var key = composite.GenerateKey32(p);
        Assert.That (key, Is.Not.Null);
        var keyData = key.ReadData ();
        Assert.That (keyData, Is.EqualTo (expectedKey));
    }
  }
}