xref: /minix3/crypto/external/bsd/netpgp/dist/src/lib/memory.h (revision ebfedea0ce5bbe81e252ddf32d732e40fb633fae)
1*ebfedea0SLionel Sambuc /*-
2*ebfedea0SLionel Sambuc  * Copyright (c) 2009 The NetBSD Foundation, Inc.
3*ebfedea0SLionel Sambuc  * All rights reserved.
4*ebfedea0SLionel Sambuc  *
5*ebfedea0SLionel Sambuc  * This code is derived from software contributed to The NetBSD Foundation
6*ebfedea0SLionel Sambuc  * by Alistair Crooks (agc@NetBSD.org)
7*ebfedea0SLionel Sambuc  *
8*ebfedea0SLionel Sambuc  * Redistribution and use in source and binary forms, with or without
9*ebfedea0SLionel Sambuc  * modification, are permitted provided that the following conditions
10*ebfedea0SLionel Sambuc  * are met:
11*ebfedea0SLionel Sambuc  * 1. Redistributions of source code must retain the above copyright
12*ebfedea0SLionel Sambuc  *    notice, this list of conditions and the following disclaimer.
13*ebfedea0SLionel Sambuc  * 2. Redistributions in binary form must reproduce the above copyright
14*ebfedea0SLionel Sambuc  *    notice, this list of conditions and the following disclaimer in the
15*ebfedea0SLionel Sambuc  *    documentation and/or other materials provided with the distribution.
16*ebfedea0SLionel Sambuc  *
17*ebfedea0SLionel Sambuc  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
18*ebfedea0SLionel Sambuc  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
19*ebfedea0SLionel Sambuc  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
20*ebfedea0SLionel Sambuc  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
21*ebfedea0SLionel Sambuc  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
22*ebfedea0SLionel Sambuc  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
23*ebfedea0SLionel Sambuc  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
24*ebfedea0SLionel Sambuc  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
25*ebfedea0SLionel Sambuc  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
26*ebfedea0SLionel Sambuc  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
27*ebfedea0SLionel Sambuc  * POSSIBILITY OF SUCH DAMAGE.
28*ebfedea0SLionel Sambuc  */
29*ebfedea0SLionel Sambuc /*
30*ebfedea0SLionel Sambuc  * Copyright (c) 2005-2008 Nominet UK (www.nic.uk)
31*ebfedea0SLionel Sambuc  * All rights reserved.
32*ebfedea0SLionel Sambuc  * Contributors: Ben Laurie, Rachel Willmer. The Contributors have asserted
33*ebfedea0SLionel Sambuc  * their moral rights under the UK Copyright Design and Patents Act 1988 to
34*ebfedea0SLionel Sambuc  * be recorded as the authors of this copyright work.
35*ebfedea0SLionel Sambuc  *
36*ebfedea0SLionel Sambuc  * Licensed under the Apache License, Version 2.0 (the "License"); you may not
37*ebfedea0SLionel Sambuc  * use this file except in compliance with the License.
38*ebfedea0SLionel Sambuc  *
39*ebfedea0SLionel Sambuc  * You may obtain a copy of the License at
40*ebfedea0SLionel Sambuc  *     http://www.apache.org/licenses/LICENSE-2.0
41*ebfedea0SLionel Sambuc  *
42*ebfedea0SLionel Sambuc  * Unless required by applicable law or agreed to in writing, software
43*ebfedea0SLionel Sambuc  * distributed under the License is distributed on an "AS IS" BASIS,
44*ebfedea0SLionel Sambuc  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
45*ebfedea0SLionel Sambuc  *
46*ebfedea0SLionel Sambuc  * See the License for the specific language governing permissions and
47*ebfedea0SLionel Sambuc  * limitations under the License.
48*ebfedea0SLionel Sambuc  */
49*ebfedea0SLionel Sambuc 
50*ebfedea0SLionel Sambuc /** \file
51*ebfedea0SLionel Sambuc  */
52*ebfedea0SLionel Sambuc #ifndef MEMORY_H_
53*ebfedea0SLionel Sambuc #define MEMORY_H_
54*ebfedea0SLionel Sambuc 
55*ebfedea0SLionel Sambuc #include <sys/types.h>
56*ebfedea0SLionel Sambuc 
57*ebfedea0SLionel Sambuc #include "packet.h"
58*ebfedea0SLionel Sambuc 
59*ebfedea0SLionel Sambuc /** pgp_memory_t
60*ebfedea0SLionel Sambuc  */
61*ebfedea0SLionel Sambuc typedef struct pgp_memory_t {
62*ebfedea0SLionel Sambuc 	uint8_t		*buf;
63*ebfedea0SLionel Sambuc 	size_t          length;
64*ebfedea0SLionel Sambuc 	size_t          allocated;
65*ebfedea0SLionel Sambuc 	unsigned	mmapped;
66*ebfedea0SLionel Sambuc } pgp_memory_t;
67*ebfedea0SLionel Sambuc 
68*ebfedea0SLionel Sambuc 
69*ebfedea0SLionel Sambuc pgp_memory_t   *pgp_memory_new(void);
70*ebfedea0SLionel Sambuc void pgp_memory_free(pgp_memory_t *);
71*ebfedea0SLionel Sambuc void pgp_memory_init(pgp_memory_t *, size_t);
72*ebfedea0SLionel Sambuc void pgp_memory_pad(pgp_memory_t *, size_t);
73*ebfedea0SLionel Sambuc void pgp_memory_add(pgp_memory_t *, const uint8_t *, size_t);
74*ebfedea0SLionel Sambuc void pgp_memory_place_int(pgp_memory_t *, unsigned, unsigned, size_t);
75*ebfedea0SLionel Sambuc void pgp_memory_make_packet(pgp_memory_t *, pgp_content_enum);
76*ebfedea0SLionel Sambuc void pgp_memory_clear(pgp_memory_t *);
77*ebfedea0SLionel Sambuc void pgp_memory_release(pgp_memory_t *);
78*ebfedea0SLionel Sambuc 
79*ebfedea0SLionel Sambuc void pgp_writer_set_memory(pgp_output_t *, pgp_memory_t *);
80*ebfedea0SLionel Sambuc 
81*ebfedea0SLionel Sambuc size_t pgp_mem_len(const pgp_memory_t *);
82*ebfedea0SLionel Sambuc void *pgp_mem_data(pgp_memory_t *);
83*ebfedea0SLionel Sambuc int pgp_mem_readfile(pgp_memory_t *, const char *);
84*ebfedea0SLionel Sambuc 
85*ebfedea0SLionel Sambuc void pgp_random(void *, size_t);
86*ebfedea0SLionel Sambuc 
87*ebfedea0SLionel Sambuc #endif /* MEMORY_H_ */
88