Renamed from `rsa-decrypt', since the name was no longer appropriate.
[u/mdw/catacomb] / pkcs1.h
CommitLineData
cd6c3eeb 1/* -*-c-*-
2 *
3 * $Id: pkcs1.h,v 1.1 2000/07/01 11:17:38 mdw Exp $
4 *
5 * PKCS#1 1.5 packing
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: pkcs1.h,v $
33 * Revision 1.1 2000/07/01 11:17:38 mdw
34 * New support for PKCS#1 message encoding.
35 *
36 */
37
38#ifndef CATACOMB_PKCS1_H
39#define CATACOMB_PKCS1_H
40
41#ifdef __cplusplus
42 extern "C" {
43#endif
44
45/*----- Header files ------------------------------------------------------*/
46
47#include <mLib/bits.h>
48#include <mLib/dstr.h>
49
50#ifndef CATACOMB_GRAND_H
51# include "grand.h"
52#endif
53
54/*----- Data structures ---------------------------------------------------*/
55
56typedef struct pkcs1 {
57 grand *r; /* Random number source */
58 const void *ep; /* Encoding parameters block */
59 size_t epsz; /* Size of the parameter block */
60} pkcs1;
61
62/*----- Functions provided ------------------------------------------------*/
63
64/* --- @pkcs1_cryptencode@ --- *
65 *
66 * Arguments: @const void *msg@ = pointer to message data
67 * @size_t msz@ = size of message data
68 * @void *buf@ = pointer to output buffer
69 * @size_t sz@ = size of the output buffer
70 * @void *p@ = pointer to PKCS1 parameter block
71 *
72 * Returns: Zero if all went well, negative on failure.
73 *
74 * Use: Implements the operation @EME-PKCS1-V1_5-ENCODE@, as defined
75 * in PKCS#1 v. 2.0 (RFC2437).
76 */
77
78extern int pkcs1_cryptencode(const void */*msg*/, size_t /*msz*/,
79 void */*buf*/, size_t /*sz*/, void */*p*/);
80
81/* --- @pkcs1_cryptdecode@ --- *
82 *
83 * Arguments: @const void *buf@ = pointer to encoded buffer)
84 * @size_t sz@ = size of the encoded buffer
85 * @dstr *d@ = pointer to destination string
86 * @void *p@ = pointer to PKCS1 parameter block
87 *
88 * Returns: The length of the output string if successful, negative on
89 * failure.
90 *
91 * Use: Implements the operation @EME-PKCS1-V1_5-DECODE@, as defined
92 * in PKCS#1 v. 2.0 (RFC2437).
93 */
94
95extern int pkcs1_cryptdecode(const void */*buf*/, size_t /*sz*/,
96 dstr */*d*/, void */*p*/);
97
98/* --- @pkcs1_sigencode@ --- *
99 *
100 * Arguments: @const void *msg@ = pointer to message data
101 * @size_t msz@ = size of message data
102 * @void *buf@ = pointer to output buffer
103 * @size_t sz@ = size of the output buffer
104 * @void *p@ = pointer to PKCS1 parameter block
105 *
106 * Returns: Zero if all went well, negative on failure.
107 *
108 * Use: Implements the operation @EMSA-PKCS1-V1_5-ENCODE@, as defined
109 * in PKCS#1 v. 2.0 (RFC2437).
110 */
111
112extern int pkcs1_sigencode(const void */*msg*/, size_t /*msz*/,
113 void */*buf*/, size_t /*sz*/, void */*p*/);
114
115/* --- @pkcs1_sigdecode@ --- *
116 *
117 * Arguments: @const void *buf@ = pointer to encoded buffer
118 * @size_t sz@ = size of the encoded buffer
119 * @dstr *d@ = pointer to destination string
120 * @void *p@ = pointer to PKCS1 parameter block
121 *
122 * Returns: The length of the output string if successful, negative on
123 * failure.
124 *
125 * Use: Implements the operation @EMSA-PKCS1-V1_5-DECODE@, as defined
126 * in PKCS#1 v. 2.0 (RFC2437).
127 */
128
129extern int pkcs1_sigdecode(const void */*buf*/, size_t /*sz*/,
130 dstr */*d*/, void */*p*/);
131
132/*----- That's all, folks -------------------------------------------------*/
133
134#ifdef __cplusplus
135 }
136#endif
137
138#endif