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1 | /* -*-c-*- |
2 | * |
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3 | * $Id$ |
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4 | * |
5 | * Reading and writing packet buffers |
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6 | * |
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7 | * (c) 2001 Straylight/Edgeware |
8 | */ |
9 | |
10 | /*----- Licensing notice --------------------------------------------------* |
11 | * |
12 | * This file is part of Catacomb. |
13 | * |
14 | * Catacomb is free software; you can redistribute it and/or modify |
15 | * it under the terms of the GNU Library General Public License as |
16 | * published by the Free Software Foundation; either version 2 of the |
17 | * License, or (at your option) any later version. |
18 | * |
19 | * Catacomb is distributed in the hope that it will be useful, |
20 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
21 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
22 | * GNU Library General Public License for more details. |
23 | * |
24 | * You should have received a copy of the GNU Library General Public |
25 | * License along with Catacomb; if not, write to the Free |
26 | * Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, |
27 | * MA 02111-1307, USA. |
28 | */ |
29 | |
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30 | #ifndef CATACOMB_BUF_H |
31 | #define CATACOMB_BUF_H |
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32 | |
33 | #ifdef __cplusplus |
34 | extern "C" { |
35 | #endif |
36 | |
37 | /*----- Header files ------------------------------------------------------*/ |
38 | |
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39 | #include <mLib/bits.h> |
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40 | #include <mLib/buf.h> |
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41 | |
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42 | #ifndef CATACOMB_MP_H |
43 | # include "mp.h" |
44 | #endif |
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45 | |
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46 | #ifndef CATACOMB_EC_H |
47 | # include "ec.h" |
48 | #endif |
49 | |
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50 | /*----- Functions provided ------------------------------------------------*/ |
51 | |
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52 | /* --- @buf_getmp@ --- * |
53 | * |
54 | * Arguments: @buf *b@ = pointer to a buffer block |
55 | * |
56 | * Returns: A multiprecision integer, or null if there wasn't one there. |
57 | * |
58 | * Use: Gets a multiprecision integer from a buffer. |
59 | */ |
60 | |
61 | extern mp *buf_getmp(buf */*b*/); |
62 | |
63 | /* --- @buf_putmp@ --- * |
64 | * |
65 | * Arguments: @buf *b@ = pointer to a buffer block |
66 | * @mp *m@ = a multiprecision integer |
67 | * |
68 | * Returns: Zero if it worked, nonzero if there wasn't enough space. |
69 | * |
70 | * Use: Puts a multiprecision integer to a buffer. |
71 | */ |
72 | |
73 | extern int buf_putmp(buf */*b*/, mp */*m*/); |
74 | |
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75 | /* --- @buf_getec@ --- * |
76 | * |
77 | * Arguments: @buf *b@ = pointer to a buffer block |
78 | * @ec *p@ = where to put the point |
79 | * |
80 | * Returns: Zero if it worked, nonzero if it failed. |
81 | * |
82 | * Use: Gets a multiprecision integer from a buffer. The point must |
83 | * be initialized. |
84 | */ |
85 | |
86 | extern int buf_getec(buf */*b*/, ec */*p*/); |
87 | |
88 | /* --- @buf_putec@ --- * |
89 | * |
90 | * Arguments: @buf *b@ = pointer to a buffer block |
91 | * @ec *p@ = an elliptic curve point |
92 | * |
93 | * Returns: Zero if it worked, nonzero if there wasn't enough space. |
94 | * |
95 | * Use: Puts an elliptic curve point to a buffer. |
96 | */ |
97 | |
98 | extern int buf_putec(buf */*b*/, ec */*p*/); |
99 | |
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100 | /*----- That's all, folks -------------------------------------------------*/ |
101 | |
102 | #ifdef __cplusplus |
103 | } |
104 | #endif |
105 | |
106 | #endif |