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1 | /* -*-c-*- |
2 | * |
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3 | * $Id: rsa-fetch.c,v 1.2 2000/07/01 11:19:22 mdw Exp $ |
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4 | * |
5 | * Key fetching for RSA 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: rsa-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 "key.h" |
44 | #include "rsa.h" |
45 | |
46 | /*----- Key fetching ------------------------------------------------------*/ |
47 | |
48 | const key_fetchdef rsa_pubfetch[] = { |
49 | { "n", offsetof(rsa_pub, n), KENC_MP, 0 }, |
50 | { "e", offsetof(rsa_pub, e), KENC_MP, 0 }, |
51 | { 0, 0, 0, 0 } |
52 | }; |
53 | |
54 | static const key_fetchdef priv[] = { |
55 | { "p", offsetof(rsa_priv, p), KENC_MP, 0 }, |
56 | { "q", offsetof(rsa_priv, q), KENC_MP, 0 }, |
57 | { "q-inv", offsetof(rsa_priv, q_inv), KENC_MP, 0 }, |
58 | { "d", offsetof(rsa_priv, d), KENC_MP, 0 }, |
59 | { "d-mod-p", offsetof(rsa_priv, dp), KENC_MP, 0 }, |
60 | { "d-mod-q", offsetof(rsa_priv, dq), KENC_MP, 0 }, |
61 | { 0, 0, 0, 0 } |
62 | }; |
63 | |
64 | const key_fetchdef rsa_privfetch[] = { |
65 | { "n", offsetof(rsa_priv, n), KENC_MP, 0 }, |
66 | { "e", offsetof(rsa_priv, e), KENC_MP, 0 }, |
67 | { "private", 0, KENC_STRUCT, priv }, |
68 | { 0, 0, 0, 0 } |
69 | }; |
70 | |
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71 | /* --- @rsa_pubfree@, @rsa_privfree@ --- * |
72 | * |
73 | * Arguments: @rsa_pub *rp@, @rsa_priv *rp@ = pointer to key block |
74 | * |
75 | * Returns: --- |
76 | * |
77 | * Use: Frees an RSA key block. |
78 | */ |
79 | |
80 | void rsa_pubfree(rsa_pub *rp) |
81 | { |
82 | mp_drop(rp->n); |
83 | mp_drop(rp->e); |
84 | } |
85 | |
86 | void rsa_privfree(rsa_priv *rp) |
87 | { |
88 | mp_drop(rp->n); |
89 | mp_drop(rp->e); |
90 | mp_drop(rp->p); |
91 | mp_drop(rp->q); |
92 | mp_drop(rp->q_inv); |
93 | mp_drop(rp->d); |
94 | mp_drop(rp->dp); |
95 | mp_drop(rp->dq); |
96 | } |
97 | |
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98 | /*----- That's all, folks -------------------------------------------------*/ |