gecko/netwerk/base/public/nsIRandomGenerator.idl

/* ***** BEGIN LICENSE BLOCK *****
 * Version: MPL 1.1/GPL 2.0/LGPL 2.1
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 * The contents of this file are subject to the Mozilla Public License Version
 * 1.1 (the "License"); you may not use this file except in compliance with
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 *
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 * The Original Code is mozilla.org code.
 *
 * The Initial Developer of the Original Code is
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 * Portions created by the Initial Developer are Copyright (C) 2007
 * the Initial Developer. All Rights Reserved.
 *
 * Contributor(s):
 *   Shawn Wilsher <me@shawnwilsher.com>
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 * either the GNU General Public License Version 2 or later (the "GPL"), or
 * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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#include "nsISupports.idl"

/**
 * Interface used to generate random data.
 *
 * @threadsafe
 */
[scriptable, uuid(2362d97a-747a-4576-8863-697667309209)]
interface nsIRandomGenerator : nsISupports {
  /**
   * Generates the specified amount of random bytes.
   *
   * @param aLength
   *        The length of the data to generate.
   * @param aBuffer
   *        A buffer that contains random bytes of size aLength.
   */
  void generateRandomBytes(in unsigned long aLength,
                           [retval, array, size_is(aLength)] out octet aBuffer);
};