1/***************************************************************************** 2* magic.c - Network Random Number Generator program file. 3* 4* Copyright (c) 2003 by Marc Boucher, Services Informatiques (MBSI) inc. 5* portions Copyright (c) 1997 by Global Election Systems Inc. 6* 7* The authors hereby grant permission to use, copy, modify, distribute, 8* and license this software and its documentation for any purpose, provided 9* that existing copyright notices are retained in all copies and that this 10* notice and the following disclaimer are included verbatim in any 11* distributions. No written agreement, license, or royalty fee is required 12* for any of the authorized uses. 13* 14* THIS SOFTWARE IS PROVIDED BY THE CONTRIBUTORS *AS IS* AND ANY EXPRESS OR 15* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 16* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 17* IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, 18* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 19* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 20* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 21* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 22* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 23* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 24* 25****************************************************************************** 26* REVISION HISTORY 27* 28* 03-01-01 Marc Boucher <marc@mbsi.ca> 29* Ported to lwIP. 30* 97-12-04 Guy Lancaster <lancasterg@acm.org>, Global Election Systems Inc. 31* Original based on BSD magic.c. 32*****************************************************************************/ 33/* 34 * magic.c - PPP Magic Number routines. 35 * 36 * Copyright (c) 1989 Carnegie Mellon University. 37 * All rights reserved. 38 * 39 * Redistribution and use in source and binary forms are permitted 40 * provided that the above copyright notice and this paragraph are 41 * duplicated in all such forms and that any documentation, 42 * advertising materials, and other materials related to such 43 * distribution and use acknowledge that the software was developed 44 * by Carnegie Mellon University. The name of the 45 * University may not be used to endorse or promote products derived 46 * from this software without specific prior written permission. 47 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR 48 * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED 49 * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE. 50 */ 51 52#include "lwip/opt.h" 53 54#if PPP_SUPPORT 55 56#include "ppp.h" 57#include "randm.h" 58#include "magic.h" 59 60 61/* 62 * magicInit - Initialize the magic number generator. 63 * 64 * Since we use another random number generator that has its own 65 * initialization, we do nothing here. 66 */ 67void magicInit() 68{ 69 return; 70} 71 72/* 73 * magic - Returns the next magic number. 74 */ 75u32_t magic() 76{ 77 return avRandom(); 78} 79 80#endif /* PPP_SUPPORT */ 81