Mercurial > projects > dcrypt
view dcrypt/crypto/PRNG.d @ 15:0de48552be35
Added LimitReachedError and PBKDF2. Fixed some errors with the previous commit in PRNGFromHash, etc. Re-implemented HMAC. Changed the name() format of HMAC and PBKDF2.
author | Thomas Dixon <reikon@reikon.us> |
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date | Wed, 19 Nov 2008 19:30:52 -0500 |
parents | 5ce3012f1def |
children | 8b5eaf3c2979 |
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/** * This file is part of the dcrypt project. * * Copyright: Copyright (C) dcrypt contributors 2008. All rights reserved. * License: MIT * Authors: Thomas Dixon */ module dcrypt.crypto.PRNG; public import dcrypt.crypto.errors.ShortBufferError; public import dcrypt.crypto.errors.NotInitializedError; public import dcrypt.crypto.errors.InvalidParameterError; public import dcrypt.crypto.errors.NotSupportedError; /** Relatively simple interface for PRNGs. */ abstract class PRNG { protected bool _initialized; /** Returns: Whether or not the PRNG has been initialized. */ bool initialized() { return _initialized; } /** * Introduce entropy into the PRNG. An initial call to this is * usually required for seeding. * * Params: * input = Bytes to introduce into the PRNG as entropy */ void addEntropy(ubyte[] input); /** * Read bytes from the keystream of the PRNG into output. * * Params: * output = Array to fill with the next bytes of the keystream */ uint read(ubyte[] output); /** Returns: The name of the PRNG algorithm */ char[] name(); }