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