mbed TLS v2.28.4
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asn1write.h
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1
6/*
7 * Copyright The Mbed TLS Contributors
8 * SPDX-License-Identifier: Apache-2.0
9 *
10 * Licensed under the Apache License, Version 2.0 (the "License"); you may
11 * not use this file except in compliance with the License.
12 * You may obtain a copy of the License at
13 *
14 * http://www.apache.org/licenses/LICENSE-2.0
15 *
16 * Unless required by applicable law or agreed to in writing, software
17 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
18 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
19 * See the License for the specific language governing permissions and
20 * limitations under the License.
21 */
22#ifndef MBEDTLS_ASN1_WRITE_H
23#define MBEDTLS_ASN1_WRITE_H
24
25#if !defined(MBEDTLS_CONFIG_FILE)
26#include "mbedtls/config.h"
27#else
28#include MBEDTLS_CONFIG_FILE
29#endif
30
31#include "mbedtls/asn1.h"
32
33#define MBEDTLS_ASN1_CHK_ADD(g, f) \
34 do \
35 { \
36 if ((ret = (f)) < 0) \
37 return ret; \
38 else \
39 (g) += ret; \
40 } while (0)
41
42#ifdef __cplusplus
43extern "C" {
44#endif
45
58int mbedtls_asn1_write_len(unsigned char **p, unsigned char *start,
59 size_t len);
72int mbedtls_asn1_write_tag(unsigned char **p, unsigned char *start,
73 unsigned char tag);
74
88int mbedtls_asn1_write_raw_buffer(unsigned char **p, unsigned char *start,
89 const unsigned char *buf, size_t size);
90
91#if defined(MBEDTLS_BIGNUM_C)
106int mbedtls_asn1_write_mpi(unsigned char **p, unsigned char *start,
107 const mbedtls_mpi *X);
108#endif /* MBEDTLS_BIGNUM_C */
109
122int mbedtls_asn1_write_null(unsigned char **p, unsigned char *start);
123
138int mbedtls_asn1_write_oid(unsigned char **p, unsigned char *start,
139 const char *oid, size_t oid_len);
140
157 unsigned char *start,
158 const char *oid, size_t oid_len,
159 size_t par_len);
160
174int mbedtls_asn1_write_bool(unsigned char **p, unsigned char *start,
175 int boolean);
176
191int mbedtls_asn1_write_int(unsigned char **p, unsigned char *start, int val);
192
206int mbedtls_asn1_write_enum(unsigned char **p, unsigned char *start, int val);
207
225int mbedtls_asn1_write_tagged_string(unsigned char **p, unsigned char *start,
226 int tag, const char *text,
227 size_t text_len);
228
245 unsigned char *start,
246 const char *text, size_t text_len);
247
263int mbedtls_asn1_write_utf8_string(unsigned char **p, unsigned char *start,
264 const char *text, size_t text_len);
265
281int mbedtls_asn1_write_ia5_string(unsigned char **p, unsigned char *start,
282 const char *text, size_t text_len);
283
298int mbedtls_asn1_write_bitstring(unsigned char **p, unsigned char *start,
299 const unsigned char *buf, size_t bits);
300
319 unsigned char *start,
320 const unsigned char *buf,
321 size_t bits);
322
337int mbedtls_asn1_write_octet_string(unsigned char **p, unsigned char *start,
338 const unsigned char *buf, size_t size);
339
362 const char *oid, size_t oid_len,
363 const unsigned char *val,
364 size_t val_len);
365
366#ifdef __cplusplus
367}
368#endif
369
370#endif /* MBEDTLS_ASN1_WRITE_H */
Generic ASN.1 parsing.
int mbedtls_asn1_write_raw_buffer(unsigned char **p, unsigned char *start, const unsigned char *buf, size_t size)
Write raw buffer data.
int mbedtls_asn1_write_tag(unsigned char **p, unsigned char *start, unsigned char tag)
Write an ASN.1 tag in ASN.1 format.
int mbedtls_asn1_write_bitstring(unsigned char **p, unsigned char *start, const unsigned char *buf, size_t bits)
Write a bitstring tag (MBEDTLS_ASN1_BIT_STRING) and value in ASN.1 format.
int mbedtls_asn1_write_printable_string(unsigned char **p, unsigned char *start, const char *text, size_t text_len)
Write a string in ASN.1 format using the PrintableString string encoding tag (MBEDTLS_ASN1_PRINTABLE_...
int mbedtls_asn1_write_utf8_string(unsigned char **p, unsigned char *start, const char *text, size_t text_len)
Write a UTF8 string in ASN.1 format using the UTF8String string encoding tag (MBEDTLS_ASN1_UTF8_STRIN...
int mbedtls_asn1_write_octet_string(unsigned char **p, unsigned char *start, const unsigned char *buf, size_t size)
Write an octet string tag (MBEDTLS_ASN1_OCTET_STRING) and value in ASN.1 format.
mbedtls_asn1_named_data * mbedtls_asn1_store_named_data(mbedtls_asn1_named_data **list, const char *oid, size_t oid_len, const unsigned char *val, size_t val_len)
Create or find a specific named_data entry for writing in a sequence or list based on the OID....
int mbedtls_asn1_write_named_bitstring(unsigned char **p, unsigned char *start, const unsigned char *buf, size_t bits)
This function writes a named bitstring tag (MBEDTLS_ASN1_BIT_STRING) and value in ASN....
int mbedtls_asn1_write_int(unsigned char **p, unsigned char *start, int val)
Write an int tag (MBEDTLS_ASN1_INTEGER) and value in ASN.1 format.
int mbedtls_asn1_write_enum(unsigned char **p, unsigned char *start, int val)
Write an enum tag (MBEDTLS_ASN1_ENUMERATED) and value in ASN.1 format.
int mbedtls_asn1_write_len(unsigned char **p, unsigned char *start, size_t len)
Write a length field in ASN.1 format.
int mbedtls_asn1_write_algorithm_identifier(unsigned char **p, unsigned char *start, const char *oid, size_t oid_len, size_t par_len)
Write an AlgorithmIdentifier sequence in ASN.1 format.
int mbedtls_asn1_write_oid(unsigned char **p, unsigned char *start, const char *oid, size_t oid_len)
Write an OID tag (MBEDTLS_ASN1_OID) and data in ASN.1 format.
int mbedtls_asn1_write_mpi(unsigned char **p, unsigned char *start, const mbedtls_mpi *X)
Write an arbitrary-precision number (MBEDTLS_ASN1_INTEGER) in ASN.1 format.
int mbedtls_asn1_write_tagged_string(unsigned char **p, unsigned char *start, int tag, const char *text, size_t text_len)
Write a string in ASN.1 format using a specific string encoding tag.
int mbedtls_asn1_write_null(unsigned char **p, unsigned char *start)
Write a NULL tag (MBEDTLS_ASN1_NULL) with zero data in ASN.1 format.
int mbedtls_asn1_write_bool(unsigned char **p, unsigned char *start, int boolean)
Write a boolean tag (MBEDTLS_ASN1_BOOLEAN) and value in ASN.1 format.
int mbedtls_asn1_write_ia5_string(unsigned char **p, unsigned char *start, const char *text, size_t text_len)
Write a string in ASN.1 format using the IA5String string encoding tag (MBEDTLS_ASN1_IA5_STRING).
Configuration options (set of defines)
MPI structure.
Definition bignum.h:208