Wayne Jay / EthernetInterface

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lwip/netif/ppp/magic.c@0:b2805b6888dc, 2016-06-20 (annotated)

Committer:
robert_jw
Date:
Mon Jun 20 01:40:20 2016 +0000
Revision:
0:b2805b6888dc
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robert_jw 0:b2805b6888dc 1 /*****************************************************************************
robert_jw 0:b2805b6888dc 2 * magic.c - Network Random Number Generator program file.
robert_jw 0:b2805b6888dc 3 *
robert_jw 0:b2805b6888dc 4 * Copyright (c) 2003 by Marc Boucher, Services Informatiques (MBSI) inc.
robert_jw 0:b2805b6888dc 5 * portions Copyright (c) 1997 by Global Election Systems Inc.
robert_jw 0:b2805b6888dc 6 *
robert_jw 0:b2805b6888dc 7 * The authors hereby grant permission to use, copy, modify, distribute,
robert_jw 0:b2805b6888dc 8 * and license this software and its documentation for any purpose, provided
robert_jw 0:b2805b6888dc 9 * that existing copyright notices are retained in all copies and that this
robert_jw 0:b2805b6888dc 10 * notice and the following disclaimer are included verbatim in any
robert_jw 0:b2805b6888dc 11 * distributions. No written agreement, license, or royalty fee is required
robert_jw 0:b2805b6888dc 12 * for any of the authorized uses.
robert_jw 0:b2805b6888dc 13 *
robert_jw 0:b2805b6888dc 14 * THIS SOFTWARE IS PROVIDED BY THE CONTRIBUTORS *AS IS* AND ANY EXPRESS OR
robert_jw 0:b2805b6888dc 15 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
robert_jw 0:b2805b6888dc 16 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
robert_jw 0:b2805b6888dc 17 * IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
robert_jw 0:b2805b6888dc 18 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
robert_jw 0:b2805b6888dc 19 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
robert_jw 0:b2805b6888dc 20 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
robert_jw 0:b2805b6888dc 21 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
robert_jw 0:b2805b6888dc 22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
robert_jw 0:b2805b6888dc 23 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
robert_jw 0:b2805b6888dc 24 *
robert_jw 0:b2805b6888dc 25 ******************************************************************************
robert_jw 0:b2805b6888dc 26 * REVISION HISTORY
robert_jw 0:b2805b6888dc 27 *
robert_jw 0:b2805b6888dc 28 * 03-01-01 Marc Boucher <marc@mbsi.ca>
robert_jw 0:b2805b6888dc 29 * Ported to lwIP.
robert_jw 0:b2805b6888dc 30 * 97-12-04 Guy Lancaster <lancasterg@acm.org>, Global Election Systems Inc.
robert_jw 0:b2805b6888dc 31 * Original based on BSD magic.c.
robert_jw 0:b2805b6888dc 32 *****************************************************************************/
robert_jw 0:b2805b6888dc 33 /*
robert_jw 0:b2805b6888dc 34 * magic.c - PPP Magic Number routines.
robert_jw 0:b2805b6888dc 35 *
robert_jw 0:b2805b6888dc 36 * Copyright (c) 1989 Carnegie Mellon University.
robert_jw 0:b2805b6888dc 37 * All rights reserved.
robert_jw 0:b2805b6888dc 38 *
robert_jw 0:b2805b6888dc 39 * Redistribution and use in source and binary forms are permitted
robert_jw 0:b2805b6888dc 40 * provided that the above copyright notice and this paragraph are
robert_jw 0:b2805b6888dc 41 * duplicated in all such forms and that any documentation,
robert_jw 0:b2805b6888dc 42 * advertising materials, and other materials related to such
robert_jw 0:b2805b6888dc 43 * distribution and use acknowledge that the software was developed
robert_jw 0:b2805b6888dc 44 * by Carnegie Mellon University. The name of the
robert_jw 0:b2805b6888dc 45 * University may not be used to endorse or promote products derived
robert_jw 0:b2805b6888dc 46 * from this software without specific prior written permission.
robert_jw 0:b2805b6888dc 47 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
robert_jw 0:b2805b6888dc 48 * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
robert_jw 0:b2805b6888dc 49 * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
robert_jw 0:b2805b6888dc 50 */
robert_jw 0:b2805b6888dc 51
robert_jw 0:b2805b6888dc 52 #include "lwip/opt.h"
robert_jw 0:b2805b6888dc 53
robert_jw 0:b2805b6888dc 54 #if PPP_SUPPORT
robert_jw 0:b2805b6888dc 55
robert_jw 0:b2805b6888dc 56 #include "ppp.h"
robert_jw 0:b2805b6888dc 57 #include "randm.h"
robert_jw 0:b2805b6888dc 58 #include "magic.h"
robert_jw 0:b2805b6888dc 59
robert_jw 0:b2805b6888dc 60
robert_jw 0:b2805b6888dc 61 /*
robert_jw 0:b2805b6888dc 62 * magicInit - Initialize the magic number generator.
robert_jw 0:b2805b6888dc 63 *
robert_jw 0:b2805b6888dc 64 * Since we use another random number generator that has its own
robert_jw 0:b2805b6888dc 65 * initialization, we do nothing here.
robert_jw 0:b2805b6888dc 66 */
robert_jw 0:b2805b6888dc 67 void magicInit()
robert_jw 0:b2805b6888dc 68 {
robert_jw 0:b2805b6888dc 69 return;
robert_jw 0:b2805b6888dc 70 }
robert_jw 0:b2805b6888dc 71
robert_jw 0:b2805b6888dc 72 /*
robert_jw 0:b2805b6888dc 73 * magic - Returns the next magic number.
robert_jw 0:b2805b6888dc 74 */
robert_jw 0:b2805b6888dc 75 u32_t magic()
robert_jw 0:b2805b6888dc 76 {
robert_jw 0:b2805b6888dc 77 return avRandom();
robert_jw 0:b2805b6888dc 78 }
robert_jw 0:b2805b6888dc 79
robert_jw 0:b2805b6888dc 80 #endif /* PPP_SUPPORT */