| | 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 */ |
git.joshuawise.com / netwatch.git / blame_incremental