signature.h revision 1.14 
1/*-
2 * Copyright (c) 2009 The NetBSD Foundation, Inc.
3 * All rights reserved.
4 *
5 * This code is derived from software contributed to The NetBSD Foundation
6 * by Alistair Crooks (agc@NetBSD.org)
7 *
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
10 * are met:
11 * 1. Redistributions of source code must retain the above copyright
12 *    notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 *    notice, this list of conditions and the following disclaimer in the
15 *    documentation and/or other materials provided with the distribution.
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
18 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
19 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
20 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
21 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
22 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
23 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
24 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
25 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
26 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
27 * POSSIBILITY OF SUCH DAMAGE.
28 */
29/*
30 * Copyright (c) 2005-2008 Nominet UK (www.nic.uk)
31 * All rights reserved.
32 * Contributors: Ben Laurie, Rachel Willmer. The Contributors have asserted
33 * their moral rights under the UK Copyright Design and Patents Act 1988 to
34 * be recorded as the authors of this copyright work.
35 *
36 * Licensed under the Apache License, Version 2.0 (the "License"); you may not
37 * use this file except in compliance with the License.
38 *
39 * You may obtain a copy of the License at
40 *     http://www.apache.org/licenses/LICENSE-2.0
41 *
42 * Unless required by applicable law or agreed to in writing, software
43 * distributed under the License is distributed on an "AS IS" BASIS,
44 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
45 *
46 * See the License for the specific language governing permissions and
47 * limitations under the License.
48 */
49
50/** \file
51 */
52
53#ifndef SIGNATURE_H_
54#define SIGNATURE_H_
55
56#include "packet.h"
57#include "create.h"
58#include "memory.h"
59
60typedef struct __ops_create_sig_t	 __ops_create_sig_t;
61
62__ops_create_sig_t *__ops_create_sig_new(void);
63void __ops_create_sig_delete(__ops_create_sig_t *);
64
65unsigned __ops_check_useridcert_sig(const __ops_pubkey_t *,
66			  const __ops_userid_t *,
67			  const __ops_sig_t *,
68			  const __ops_pubkey_t *,
69			  const unsigned char *);
70unsigned __ops_check_userattrcert_sig(const __ops_pubkey_t *,
71			  const __ops_userattr_t *,
72			  const __ops_sig_t *,
73			  const __ops_pubkey_t *,
74			  const unsigned char *);
75unsigned __ops_check_subkey_sig(const __ops_pubkey_t *,
76			   const __ops_pubkey_t *,
77			   const __ops_sig_t *,
78			   const __ops_pubkey_t *,
79			   const unsigned char *);
80unsigned __ops_check_direct_sig(const __ops_pubkey_t *,
81			   const __ops_sig_t *,
82			   const __ops_pubkey_t *,
83			   const unsigned char *);
84unsigned __ops_check_hash_sig(__ops_hash_t *,
85			 const __ops_sig_t *,
86			 const __ops_pubkey_t *);
87void __ops_sig_start_key_sig(__ops_create_sig_t *,
88				  const __ops_pubkey_t *,
89				  const __ops_userid_t *,
90				  __ops_sig_type_t);
91void __ops_start_sig(__ops_create_sig_t *,
92			const __ops_seckey_t *,
93			const __ops_hash_alg_t,
94			const __ops_sig_type_t);
95
96void __ops_sig_add_data(__ops_create_sig_t *, const void *, size_t);
97__ops_hash_t *__ops_sig_get_hash(__ops_create_sig_t *);
98unsigned   __ops_end_hashed_subpkts(__ops_create_sig_t *);
99unsigned __ops_write_sig(__ops_output_t *, __ops_create_sig_t *,
100			const __ops_pubkey_t *, const __ops_seckey_t *);
101unsigned   __ops_add_birthtime(__ops_create_sig_t *, time_t);
102unsigned __ops_add_issuer_keyid(__ops_create_sig_t *,
103			const unsigned char *);
104void __ops_add_primary_userid(__ops_create_sig_t *, unsigned);
105
106/* Standard Interface */
107unsigned   __ops_sign_file(__ops_io_t *,
108			const char *,
109			const char *,
110			const __ops_seckey_t *,
111			const char *,
112			const unsigned,
113			const unsigned,
114			const unsigned);
115
116int __ops_sign_detached(__ops_io_t *,
117			const char *,
118			char *,
119			__ops_seckey_t *,
120			const char *);
121
122/* armoured stuff */
123unsigned __ops_crc24(unsigned, unsigned char);
124
125void __ops_reader_push_dearmour(__ops_stream_t *);
126
127void __ops_reader_pop_dearmour(__ops_stream_t *);
128unsigned __ops_writer_push_clearsigned(__ops_output_t *, __ops_create_sig_t *);
129void __ops_writer_push_armor_msg(__ops_output_t *);
130
131typedef enum {
132	OPS_PGP_MESSAGE = 1,
133	OPS_PGP_PUBLIC_KEY_BLOCK,
134	OPS_PGP_PRIVATE_KEY_BLOCK,
135	OPS_PGP_MULTIPART_MESSAGE_PART_X_OF_Y,
136	OPS_PGP_MULTIPART_MESSAGE_PART_X,
137	OPS_PGP_SIGNATURE
138} __ops_armor_type_t;
139
140#define CRC24_INIT 0xb704ceL
141
142unsigned __ops_writer_use_armored_sig(__ops_output_t *);
143
144void __ops_writer_push_armoured(__ops_output_t *, __ops_armor_type_t);
145
146__ops_memory_t   *__ops_sign_buf(__ops_io_t *,
147				const void *,
148				const size_t,
149				const __ops_seckey_t *,
150				const char *,
151				const unsigned,
152				const unsigned);
153
154unsigned __ops_keyring_read_from_mem(__ops_io_t *,
155				__ops_keyring_t *,
156				const unsigned,
157				__ops_memory_t *);
158
159#endif /* SIGNATURE_H_ */
160