public bool VerifyHashedPassword(byte[] decodedHashedPassword, string providedPassword)
{
// Read header information
var prf = (KeyDerivationPrf)BufferUtil.ReadNetworkByteOrder(decodedHashedPassword, 1);
var iterCount = (int)BufferUtil.ReadNetworkByteOrder(decodedHashedPassword, 5);
var saltLength = (int)BufferUtil.ReadNetworkByteOrder(decodedHashedPassword, 9);
// Read the salt: must be >= 128 bits
if (saltLength < 128 / 8)
{
return(false);
}
var salt = new byte[saltLength];
Buffer.BlockCopy(decodedHashedPassword, 13, salt, 0, salt.Length);
// Read the subkey (the rest of the payload): must be >= 128 bits
var subkeyLength = decodedHashedPassword.Length - 13 - salt.Length;
if (subkeyLength < 128 / 8)
{
return(false);
}
var expectedSubkey = new byte[subkeyLength];
Buffer.BlockCopy(decodedHashedPassword, 13 + salt.Length, expectedSubkey, 0, expectedSubkey.Length);
// Hash the incoming password and verify it
var actualSubKey = KeyDerivation.Pbkdf2(providedPassword, salt, prf, iterCount, subkeyLength);
return(iterCount > 0 && BufferUtil.ByteArraysEqual(actualSubKey, expectedSubkey));
}
public void Base64()
{
var converter = new Base64BinaryConverter();
var str = converter.GetString(TestInput);
var bytes = converter.GetBytes(str);
var flag = BufferUtil.ByteArraysEqual(TestInput, bytes);
Assert.True(flag);
}
public bool Equals(byte[] other)
{
return(BufferUtil.ByteArraysEqual(_source, other));
}