Mbed TLS v2.28.5
asn1write.h
Go to the documentation of this file.
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
43 extern "C" {
44 #endif
45 
58 int mbedtls_asn1_write_len(unsigned char **p, unsigned char *start,
59  size_t len);
72 int mbedtls_asn1_write_tag(unsigned char **p, unsigned char *start,
73  unsigned char tag);
74 
88 int 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)
92 
106 int mbedtls_asn1_write_mpi(unsigned char **p, unsigned char *start,
107  const mbedtls_mpi *X);
108 #endif /* MBEDTLS_BIGNUM_C */
109 
122 int mbedtls_asn1_write_null(unsigned char **p, unsigned char *start);
123 
138 int mbedtls_asn1_write_oid(unsigned char **p, unsigned char *start,
139  const char *oid, size_t oid_len);
140 
156 int mbedtls_asn1_write_algorithm_identifier(unsigned char **p,
157  unsigned char *start,
158  const char *oid, size_t oid_len,
159  size_t par_len);
160 
177 int mbedtls_asn1_write_algorithm_identifier_ext(unsigned char **p,
178  unsigned char *start,
179  const char *oid, size_t oid_len,
180  size_t par_len, int has_par);
181 
195 int mbedtls_asn1_write_bool(unsigned char **p, unsigned char *start,
196  int boolean);
197 
212 int mbedtls_asn1_write_int(unsigned char **p, unsigned char *start, int val);
213 
227 int mbedtls_asn1_write_enum(unsigned char **p, unsigned char *start, int val);
228 
246 int mbedtls_asn1_write_tagged_string(unsigned char **p, unsigned char *start,
247  int tag, const char *text,
248  size_t text_len);
249 
265 int mbedtls_asn1_write_printable_string(unsigned char **p,
266  unsigned char *start,
267  const char *text, size_t text_len);
268 
284 int mbedtls_asn1_write_utf8_string(unsigned char **p, unsigned char *start,
285  const char *text, size_t text_len);
286 
302 int mbedtls_asn1_write_ia5_string(unsigned char **p, unsigned char *start,
303  const char *text, size_t text_len);
304 
319 int mbedtls_asn1_write_bitstring(unsigned char **p, unsigned char *start,
320  const unsigned char *buf, size_t bits);
321 
339 int mbedtls_asn1_write_named_bitstring(unsigned char **p,
340  unsigned char *start,
341  const unsigned char *buf,
342  size_t bits);
343 
358 int mbedtls_asn1_write_octet_string(unsigned char **p, unsigned char *start,
359  const unsigned char *buf, size_t size);
360 
383  const char *oid, size_t oid_len,
384  const unsigned char *val,
385  size_t val_len);
386 
387 #ifdef __cplusplus
388 }
389 #endif
390 
391 #endif /* MBEDTLS_ASN1_WRITE_H */
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.
mbedtls_asn1_buf oid
Definition: asn1.h:185
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.
Configuration options (set of defines)
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.
Generic ASN.1 parsing.
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_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_len(unsigned char **p, unsigned char *start, size_t len)
Write a length field in ASN.1 format.
mbedtls_asn1_buf val
Definition: asn1.h:186
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.
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_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_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_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_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.
MPI structure.
Definition: bignum.h:208
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_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).
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_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_algorithm_identifier_ext(unsigned char **p, unsigned char *start, const char *oid, size_t oid_len, size_t par_len, int has_par)
Write an AlgorithmIdentifier sequence 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.