[164] | 1 | /*****************************************************************************
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| 2 | * magic.c - Network Random Number Generator program file.
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| 3 | *
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| 4 | * Copyright (c) 2003 by Marc Boucher, Services Informatiques (MBSI) inc.
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| 5 | * portions Copyright (c) 1997 by Global Election Systems Inc.
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| 6 | *
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| 7 | * The authors hereby grant permission to use, copy, modify, distribute,
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| 8 | * and license this software and its documentation for any purpose, provided
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| 9 | * that existing copyright notices are retained in all copies and that this
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| 10 | * notice and the following disclaimer are included verbatim in any
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| 11 | * distributions. No written agreement, license, or royalty fee is required
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| 12 | * for any of the authorized uses.
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| 13 | *
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| 14 | * THIS SOFTWARE IS PROVIDED BY THE CONTRIBUTORS *AS IS* AND ANY EXPRESS OR
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| 15 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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| 16 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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| 17 | * IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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| 18 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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| 19 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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| 20 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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| 21 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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| 22 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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| 23 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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| 24 | *
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| 25 | ******************************************************************************
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| 26 | * REVISION HISTORY
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| 27 | *
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| 28 | * 03-01-01 Marc Boucher <marc@mbsi.ca>
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| 29 | * Ported to lwIP.
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| 30 | * 97-12-04 Guy Lancaster <lancasterg@acm.org>, Global Election Systems Inc.
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| 31 | * Original based on BSD magic.c.
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| 32 | *****************************************************************************/
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| 33 | /*
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| 34 | * magic.c - PPP Magic Number routines.
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| 35 | *
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| 36 | * Copyright (c) 1989 Carnegie Mellon University.
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| 37 | * All rights reserved.
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| 38 | *
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| 39 | * Redistribution and use in source and binary forms are permitted
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| 40 | * provided that the above copyright notice and this paragraph are
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| 41 | * duplicated in all such forms and that any documentation,
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| 42 | * advertising materials, and other materials related to such
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| 43 | * distribution and use acknowledge that the software was developed
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| 44 | * by Carnegie Mellon University. The name of the
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| 45 | * University may not be used to endorse or promote products derived
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| 46 | * from this software without specific prior written permission.
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| 47 | * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
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| 48 | * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
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| 49 | * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
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| 50 | */
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| 51 |
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| 52 | #include "lwip/opt.h"
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| 53 |
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| 54 | #if PPP_SUPPORT
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| 55 |
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| 56 | #include "ppp_impl.h"
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| 57 | #include "randm.h"
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| 58 | #include "magic.h"
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| 59 |
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| 60 |
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| 61 | /*
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| 62 | * magicInit - Initialize the magic number generator.
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| 63 | *
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| 64 | * Since we use another random number generator that has its own
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| 65 | * initialization, we do nothing here.
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| 66 | */
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| 67 | void magicInit()
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| 68 | {
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| 69 | return;
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| 70 | }
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| 71 |
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| 72 | /*
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| 73 | * magic - Returns the next magic number.
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| 74 | */
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| 75 | u32_t magic()
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| 76 | {
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| 77 | return avRandom();
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| 78 | }
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| 79 |
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| 80 | #endif /* PPP_SUPPORT */
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