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1 | /* -*-c-*- |
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2 | * |
3 | * Elliptic curve key-fetching |
4 | * |
5 | * (c) 2004 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_EC_KEYS_H |
29 | #define CATACOMB_EC_KEYS_H |
30 | |
31 | #ifdef __cplusplus |
32 | extern "C" { |
33 | #endif |
34 | |
35 | /*----- Header files ------------------------------------------------------*/ |
36 | |
37 | #ifndef CATACOMB_EC_H |
38 | # include "ec.h" |
39 | #endif |
40 | |
41 | #ifndef CATACOMB_KEY_H |
42 | # include "key.h" |
43 | #endif |
44 | |
45 | /*----- Key structures ----------------------------------------------------*/ |
46 | |
47 | typedef struct ec_param { |
48 | ec_info ei; /* Curve information */ |
49 | char *cstr; /* Curve definition string */ |
50 | } ec_param; |
51 | |
52 | typedef struct ec_pub { |
53 | ec_info ei; /* Curve information */ |
54 | char *cstr; /* Curve definition string */ |
55 | ec p; /* Public point */ |
56 | } ec_pub; |
57 | |
58 | typedef struct ec_priv { |
59 | ec_info ei; /* Curve information */ |
60 | char *cstr; /* Curve definition string */ |
61 | ec p; /* Public point */ |
62 | mp *x; /* Secret exponent */ |
63 | } ec_priv; |
64 | |
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65 | extern const key_fetchdef ec_paramfetch[]; |
66 | #define EC_PARAMFETCHSZ 3 |
67 | |
68 | extern const key_fetchdef ec_pubfetch[]; |
69 | #define EC_PUBFETCHSZ 4 |
70 | |
71 | extern const key_fetchdef ec_privfetch[]; |
72 | #define EC_PRIVFETCHSZ 7 |
73 | |
74 | /*----- Functions provided ------------------------------------------------*/ |
75 | |
76 | /* --- @ec_paramfree@, @ec_pubfree@, @ec_privfree@ --- * |
77 | * |
78 | * Arguments: @ec_param *ep@, @ec_pub *ep@, @ec_priv *ep@ = pointer to |
79 | * key block to free |
80 | * |
81 | * Returns: --- |
82 | * |
83 | * Use: Frees an elliptic curve key block |
84 | */ |
85 | |
86 | extern void ec_paramfree(ec_param */*ep*/); |
87 | extern void ec_pubfree(ec_pub */*ep*/); |
88 | extern void ec_privfree(ec_priv */*ep*/); |
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89 | |
90 | /*----- That's all, folks -------------------------------------------------*/ |
91 | |
92 | #ifdef __cplusplus |
93 | } |
94 | #endif |
95 | |
96 | #endif |