git.joshuawise.com / netwatch.git / blame
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|---|---|---|
| 6e6d4a8b JP |
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 | /*** PUBLIC FUNCTION DEFINITIONS ***/ | |
| 62 | /***********************************/ | |
| 63 | /* | |
| 64 | * magicInit - Initialize the magic number generator. | |
| 65 | * | |
| 66 | * Since we use another random number generator that has its own | |
| 67 | * initialization, we do nothing here. | |
| 68 | */ | |
| 69 | void magicInit() | |
| 70 | { | |
| 71 | return; | |
| 72 | } | |
| 73 | ||
| 74 | /* | |
| 75 | * magic - Returns the next magic number. | |
| 76 | */ | |
| 77 | u32_t magic() | |
| 78 | { | |
| 79 | return avRandom(); | |
| 80 | } | |
| 81 | ||
| 82 | #endif /* PPP_SUPPORT */ |