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_impl.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 | */
|
---|
67 | void magicInit()
|
---|
68 | {
|
---|
69 | return;
|
---|
70 | }
|
---|
71 |
|
---|
72 | /*
|
---|
73 | * magic - Returns the next magic number.
|
---|
74 | */
|
---|
75 | u32_t magic()
|
---|
76 | {
|
---|
77 | return avRandom();
|
---|
78 | }
|
---|
79 |
|
---|
80 | #endif /* PPP_SUPPORT */
|
---|