public void TestGenerateKey32()
{
var originalKey = new byte[32];
var expectedKey = new byte[]
{
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.NotNull(key);
var keyData = key.ReadData();
Assert.True(MemUtil.ArraysEqual(keyData, expectedKey));
}
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();
var key = composite.GenerateKey32(originalKey, rounds);
Assert.That(key, Is.Not.Null);
var keyData = key.ReadData();
Assert.That(keyData, Is.EqualTo(expectedKey));
}
private byte[] GetKey()
{
byte[] ThreeDESKey = new byte[24];
MemoryStream ms = new MemoryStream();
ms.Write(m_MasterSeed, 0, 32);
KdfParameters kdf = new AesKdf().GetDefaultParameters();
kdf.SetUInt64(AesKdf.ParamRounds, m_NumRounds);
kdf.SetByteArray(AesKdf.ParamSeed, m_TransformSeed);
ProtectedBinary pbinKey = m_2Key.GenerateKey32(kdf);
if (pbinKey == null)
{
throw new SecurityException("Invalid Key");
}
byte[] pKey32 = pbinKey.ReadData();
if ((pKey32 == null) || (pKey32.Length != 32))
{
throw new SecurityException("Invalid Key Data");
}
ms.Write(pKey32, 0, 32);
byte[] sRandom = m_hash.Hash;
ms.Write(sRandom, 0, sRandom.Length);
SHA256Managed sha = new SHA256Managed();
byte[] Key256 = sha.ComputeHash(ms.ToArray());
Array.Copy(Key256, ThreeDESKey, ThreeDESKey.Length);
ms.Close();
Array.Clear(pKey32, 0, 32);
Array.Clear(Key256, 0, 32);
return(ThreeDESKey);
}
