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1 | /* -*-c-*- |
2 | * |
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3 | * $Id: dsa-fetch.c,v 1.2 2000/07/01 11:19:22 mdw Exp $ |
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4 | * |
5 | * Key fetching for DSA public and private keys |
6 | * |
7 | * (c) 2000 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 | |
30 | /*----- Revision history --------------------------------------------------* |
31 | * |
32 | * $Log: dsa-fetch.c,v $ |
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33 | * Revision 1.2 2000/07/01 11:19:22 mdw |
34 | * New functions for freeing public and private keys. |
35 | * |
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36 | * Revision 1.1 2000/06/17 10:41:45 mdw |
37 | * Table for driving key data extraction. |
38 | * |
39 | */ |
40 | |
41 | /*----- Header files ------------------------------------------------------*/ |
42 | |
43 | #include "dsa.h" |
44 | #include "key.h" |
45 | |
46 | /*----- Key fetching ------------------------------------------------------*/ |
47 | |
48 | const key_fetchdef dsa_paramfetch[] = { |
49 | { "p", offsetof(dsa_param, p), KENC_MP, 0 }, |
50 | { "q", offsetof(dsa_param, q), KENC_MP, 0 }, |
51 | { "g", offsetof(dsa_param, g), KENC_MP, 0 }, |
52 | { 0, 0, 0, 0 } |
53 | }; |
54 | |
55 | const key_fetchdef dsa_pubfetch[] = { |
56 | { "p", offsetof(dsa_pub, dp.p), KENC_MP, 0 }, |
57 | { "q", offsetof(dsa_pub, dp.q), KENC_MP, 0 }, |
58 | { "g", offsetof(dsa_pub, dp.g), KENC_MP, 0 }, |
59 | { "y", offsetof(dsa_pub, y), KENC_MP, 0 }, |
60 | { 0, 0, 0, 0 } |
61 | }; |
62 | |
63 | static const key_fetchdef priv[] = { |
64 | { "x", offsetof(dsa_priv, x), KENC_MP, 0 }, |
65 | { 0, 0, 0, 0 } |
66 | }; |
67 | |
68 | const key_fetchdef dsa_privfetch[] = { |
69 | { "p", offsetof(dsa_priv, dp.p), KENC_MP, 0 }, |
70 | { "q", offsetof(dsa_priv, dp.q), KENC_MP, 0 }, |
71 | { "g", offsetof(dsa_priv, dp.g), KENC_MP, 0 }, |
72 | { "y", offsetof(dsa_priv, y), KENC_MP, 0 }, |
73 | { "private", 0, KENC_STRUCT, priv }, |
74 | { 0, 0, 0, 0 } |
75 | }; |
76 | |
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77 | /* --- @dsa_paramfree@, @dsa_pubfree@, @dsa_privfree@ --- * |
78 | * |
79 | * Arguments: @dsa_param *dp@, @dsa_pub *dp@, @dsa_priv *dp@ = pointer |
80 | * to key block to free |
81 | * |
82 | * Returns: --- |
83 | * |
84 | * Use: Frees a DSA key block. |
85 | */ |
86 | |
87 | void dsa_paramfree(dsa_param *dp) |
88 | { |
89 | mp_drop(dp->p); |
90 | mp_drop(dp->q); |
91 | mp_drop(dp->g); |
92 | } |
93 | |
94 | void dsa_pubfree(dsa_pub *dp) |
95 | { |
96 | mp_drop(dp->dp.p); |
97 | mp_drop(dp->dp.q); |
98 | mp_drop(dp->dp.g); |
99 | mp_drop(dp->y); |
100 | } |
101 | |
102 | void dsa_privfree(dsa_priv *dp) |
103 | { |
104 | mp_drop(dp->dp.p); |
105 | mp_drop(dp->dp.q); |
106 | mp_drop(dp->dp.g); |
107 | mp_drop(dp->y); |
108 | mp_drop(dp->x); |
109 | } |
110 | |
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111 | /*----- That's all, folks -------------------------------------------------*/ |