ReactOS 0.4.15-dev-7674-gc0b4db1
asn1.h
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1
6/*
7 * Copyright The Mbed TLS Contributors
8 * SPDX-License-Identifier: Apache-2.0 OR GPL-2.0-or-later
9 *
10 * This file is provided under the Apache License 2.0, or the
11 * GNU General Public License v2.0 or later.
12 *
13 * **********
14 * Apache License 2.0:
15 *
16 * Licensed under the Apache License, Version 2.0 (the "License"); you may
17 * not use this file except in compliance with the License.
18 * You may obtain a copy of the License at
19 *
20 * http://www.apache.org/licenses/LICENSE-2.0
21 *
22 * Unless required by applicable law or agreed to in writing, software
23 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
24 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
25 * See the License for the specific language governing permissions and
26 * limitations under the License.
27 *
28 * **********
29 *
30 * **********
31 * GNU General Public License v2.0 or later:
32 *
33 * This program is free software; you can redistribute it and/or modify
34 * it under the terms of the GNU General Public License as published by
35 * the Free Software Foundation; either version 2 of the License, or
36 * (at your option) any later version.
37 *
38 * This program is distributed in the hope that it will be useful,
39 * but WITHOUT ANY WARRANTY; without even the implied warranty of
40 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
41 * GNU General Public License for more details.
42 *
43 * You should have received a copy of the GNU General Public License along
44 * with this program; if not, write to the Free Software Foundation, Inc.,
45 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
46 *
47 * **********
48 */
49#ifndef MBEDTLS_ASN1_H
50#define MBEDTLS_ASN1_H
51
52#if !defined(MBEDTLS_CONFIG_FILE)
53#include "config.h"
54#else
55#include MBEDTLS_CONFIG_FILE
56#endif
57
58#include <stddef.h>
59
60#if defined(MBEDTLS_BIGNUM_C)
61#include "bignum.h"
62#endif
63
76#define MBEDTLS_ERR_ASN1_OUT_OF_DATA -0x0060
77#define MBEDTLS_ERR_ASN1_UNEXPECTED_TAG -0x0062
78#define MBEDTLS_ERR_ASN1_INVALID_LENGTH -0x0064
79#define MBEDTLS_ERR_ASN1_LENGTH_MISMATCH -0x0066
80#define MBEDTLS_ERR_ASN1_INVALID_DATA -0x0068
81#define MBEDTLS_ERR_ASN1_ALLOC_FAILED -0x006A
82#define MBEDTLS_ERR_ASN1_BUF_TOO_SMALL -0x006C
84/* \} name */
85
97#define MBEDTLS_ASN1_BOOLEAN 0x01
98#define MBEDTLS_ASN1_INTEGER 0x02
99#define MBEDTLS_ASN1_BIT_STRING 0x03
100#define MBEDTLS_ASN1_OCTET_STRING 0x04
101#define MBEDTLS_ASN1_NULL 0x05
102#define MBEDTLS_ASN1_OID 0x06
103#define MBEDTLS_ASN1_UTF8_STRING 0x0C
104#define MBEDTLS_ASN1_SEQUENCE 0x10
105#define MBEDTLS_ASN1_SET 0x11
106#define MBEDTLS_ASN1_PRINTABLE_STRING 0x13
107#define MBEDTLS_ASN1_T61_STRING 0x14
108#define MBEDTLS_ASN1_IA5_STRING 0x16
109#define MBEDTLS_ASN1_UTC_TIME 0x17
110#define MBEDTLS_ASN1_GENERALIZED_TIME 0x18
111#define MBEDTLS_ASN1_UNIVERSAL_STRING 0x1C
112#define MBEDTLS_ASN1_BMP_STRING 0x1E
113#define MBEDTLS_ASN1_PRIMITIVE 0x00
114#define MBEDTLS_ASN1_CONSTRUCTED 0x20
115#define MBEDTLS_ASN1_CONTEXT_SPECIFIC 0x80
116
117/*
118 * Bit masks for each of the components of an ASN.1 tag as specified in
119 * ITU X.690 (08/2015), section 8.1 "General rules for encoding",
120 * paragraph 8.1.2.2:
121 *
122 * Bit 8 7 6 5 1
123 * +-------+-----+------------+
124 * | Class | P/C | Tag number |
125 * +-------+-----+------------+
126 */
127#define MBEDTLS_ASN1_TAG_CLASS_MASK 0xC0
128#define MBEDTLS_ASN1_TAG_PC_MASK 0x20
129#define MBEDTLS_ASN1_TAG_VALUE_MASK 0x1F
130
131/* \} name */
132/* \} addtogroup asn1_module */
133
135#define MBEDTLS_OID_SIZE(x) (sizeof(x) - 1)
136
143#define MBEDTLS_OID_CMP(oid_str, oid_buf) \
144 ( ( MBEDTLS_OID_SIZE(oid_str) != (oid_buf)->len ) || \
145 memcmp( (oid_str), (oid_buf)->p, (oid_buf)->len) != 0 )
146
147#ifdef __cplusplus
148extern "C" {
149#endif
150
159typedef struct mbedtls_asn1_buf
160{
161 int tag;
162 size_t len;
163 unsigned char *p;
164}
166
171{
172 size_t len;
173 unsigned char unused_bits;
174 unsigned char *p;
175}
177
182{
185}
187
192{
196 unsigned char next_merged;
197}
199
212int mbedtls_asn1_get_len( unsigned char **p,
213 const unsigned char *end,
214 size_t *len );
215
228int mbedtls_asn1_get_tag( unsigned char **p,
229 const unsigned char *end,
230 size_t *len, int tag );
231
242int mbedtls_asn1_get_bool( unsigned char **p,
243 const unsigned char *end,
244 int *val );
245
256int mbedtls_asn1_get_int( unsigned char **p,
257 const unsigned char *end,
258 int *val );
259
270int mbedtls_asn1_get_bitstring( unsigned char **p, const unsigned char *end,
272
284int mbedtls_asn1_get_bitstring_null( unsigned char **p, const unsigned char *end,
285 size_t *len );
286
298int mbedtls_asn1_get_sequence_of( unsigned char **p,
299 const unsigned char *end,
301 int tag);
302
303#if defined(MBEDTLS_BIGNUM_C)
314int mbedtls_asn1_get_mpi( unsigned char **p,
315 const unsigned char *end,
316 mbedtls_mpi *X );
317#endif /* MBEDTLS_BIGNUM_C */
318
331int mbedtls_asn1_get_alg( unsigned char **p,
332 const unsigned char *end,
334
347int mbedtls_asn1_get_alg_null( unsigned char **p,
348 const unsigned char *end,
349 mbedtls_asn1_buf *alg );
350
362 const char *oid, size_t len );
363
370
378
379#ifdef __cplusplus
380}
381#endif
382
383#endif /* asn1.h */
struct outqueuenode * head
Definition: adnsresfilter.c:66
Multi-precision integer library.
Definition: list.h:37
FxCollectionEntry * cur
GLuint GLuint end
Definition: gl.h:1545
GLenum const GLfloat * params
Definition: glext.h:5645
GLuint GLfloat * val
Definition: glext.h:7180
GLfloat GLfloat p
Definition: glext.h:8902
GLenum GLsizei len
Definition: glext.h:6722
size_t len
Definition: asn1.h:162
mbedtls_asn1_buf oid
Definition: asn1.h:193
unsigned char * p
Definition: asn1.h:163
int mbedtls_asn1_get_bitstring_null(unsigned char **p, const unsigned char *end, size_t *len)
Retrieve a bitstring ASN.1 tag without unused bits and its value. Updates the pointer to the beginnin...
struct mbedtls_asn1_named_data * next
Definition: asn1.h:195
void mbedtls_asn1_free_named_data(mbedtls_asn1_named_data *entry)
Free a mbedtls_asn1_named_data entry.
int mbedtls_asn1_get_mpi(unsigned char **p, const unsigned char *end, mbedtls_mpi *X)
Retrieve a MPI value from an integer ASN.1 tag. Updates the pointer to immediately behind the full ta...
mbedtls_asn1_buf buf
Definition: asn1.h:183
int mbedtls_asn1_get_int(unsigned char **p, const unsigned char *end, int *val)
Retrieve an integer ASN.1 tag and its value. Updates the pointer to immediately behind the full tag.
int mbedtls_asn1_get_sequence_of(unsigned char **p, const unsigned char *end, mbedtls_asn1_sequence *cur, int tag)
Parses and splits an ASN.1 "SEQUENCE OF <tag>" Updated the pointer to immediately behind the full seq...
mbedtls_asn1_named_data * mbedtls_asn1_find_named_data(mbedtls_asn1_named_data *list, const char *oid, size_t len)
Find a specific named_data entry in a sequence or list based on the OID.
struct mbedtls_asn1_sequence * next
Definition: asn1.h:184
unsigned char unused_bits
Definition: asn1.h:173
int mbedtls_asn1_get_len(unsigned char **p, const unsigned char *end, size_t *len)
Get the length of an ASN.1 element. Updates the pointer to immediately behind the length.
mbedtls_asn1_buf val
Definition: asn1.h:194
int mbedtls_asn1_get_alg_null(unsigned char **p, const unsigned char *end, mbedtls_asn1_buf *alg)
Retrieve an AlgorithmIdentifier ASN.1 sequence with NULL or no params. Updates the pointer to immedia...
int mbedtls_asn1_get_alg(unsigned char **p, const unsigned char *end, mbedtls_asn1_buf *alg, mbedtls_asn1_buf *params)
Retrieve an AlgorithmIdentifier ASN.1 sequence. Updates the pointer to immediately behind the full Al...
int mbedtls_asn1_get_bitstring(unsigned char **p, const unsigned char *end, mbedtls_asn1_bitstring *bs)
Retrieve a bitstring ASN.1 tag and its value. Updates the pointer to immediately behind the full tag.
int mbedtls_asn1_get_tag(unsigned char **p, const unsigned char *end, size_t *len, int tag)
Get the tag and length of the tag. Check for the requested tag. Updates the pointer to immediately be...
int mbedtls_asn1_get_bool(unsigned char **p, const unsigned char *end, int *val)
Retrieve a boolean ASN.1 tag and its value. Updates the pointer to immediately behind the full tag.
unsigned char next_merged
Definition: asn1.h:196
unsigned char * p
Definition: asn1.h:174
void mbedtls_asn1_free_named_data_list(mbedtls_asn1_named_data **head)
Free all entries in a mbedtls_asn1_named_data list Head will be set to NULL.
uint32_t entry
Definition: isohybrid.c:63
static struct msdos_boot_sector bs
Definition: mkdosfs.c:539
MPI structure.
Definition: bignum.h:211
Definition: ecma_167.h:138