public static byte[] ScryptHashBinary(byte[] password, byte[] salt, long opsLimit, int memLimit, long outputLength = 32L)
{
if (password == null)
{
throw new ArgumentNullException("password", "Password cannot be null");
}
if (salt == null)
{
throw new ArgumentNullException("salt", "Salt cannot be null");
}
if ((long)salt.Length != 32L)
{
throw new SaltOutOfRangeException(string.Format("Salt must be {0} bytes in length.", 32u));
}
if (opsLimit <= 0L)
{
throw new ArgumentOutOfRangeException("opsLimit", "opsLimit cannot be zero or negative");
}
if (memLimit <= 0)
{
throw new ArgumentOutOfRangeException("memLimit", "memLimit cannot be zero or negative");
}
if (outputLength <= 0L)
{
throw new ArgumentOutOfRangeException("outputLength", "OutputLength cannot be zero or negative");
}
byte[] array = new byte[outputLength];
if (SodiumLibrary.crypto_pwhash_scryptsalsa208sha256(array, (long)array.Length, password, (long)password.Length, salt, opsLimit, memLimit) != 0)
{
throw new OutOfMemoryException("Internal error, hash failed (usually because the operating system refused to allocate the amount of requested memory).");
}
return(array);
}
