Mbed TLS v3.5.0
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 #include "mbedtls/build_info.h"
26 
27 #include "mbedtls/asn1.h"
28 
29 #define MBEDTLS_ASN1_CHK_ADD(g, f) \
30  do \
31  { \
32  if ((ret = (f)) < 0) \
33  return ret; \
34  else \
35  (g) += ret; \
36  } while (0)
37 
38 #define MBEDTLS_ASN1_CHK_CLEANUP_ADD(g, f) \
39  do \
40  { \
41  if ((ret = (f)) < 0) \
42  goto cleanup; \
43  else \
44  (g) += ret; \
45  } while (0)
46 
47 #ifdef __cplusplus
48 extern "C" {
49 #endif
50 
51 #if defined(MBEDTLS_ASN1_WRITE_C) || defined(MBEDTLS_X509_USE_C)
64 int mbedtls_asn1_write_len(unsigned char **p, const unsigned char *start,
65  size_t len);
78 int mbedtls_asn1_write_tag(unsigned char **p, const unsigned char *start,
79  unsigned char tag);
80 #endif /* MBEDTLS_ASN1_WRITE_C || MBEDTLS_X509_USE_C */
81 
82 #if defined(MBEDTLS_ASN1_WRITE_C)
96 int mbedtls_asn1_write_raw_buffer(unsigned char **p, const unsigned char *start,
97  const unsigned char *buf, size_t size);
98 
99 #if defined(MBEDTLS_BIGNUM_C)
114 int mbedtls_asn1_write_mpi(unsigned char **p, const unsigned char *start,
115  const mbedtls_mpi *X);
116 #endif /* MBEDTLS_BIGNUM_C */
117 
130 int mbedtls_asn1_write_null(unsigned char **p, const unsigned char *start);
131 
146 int mbedtls_asn1_write_oid(unsigned char **p, const unsigned char *start,
147  const char *oid, size_t oid_len);
148 
165  const unsigned char *start,
166  const char *oid, size_t oid_len,
167  size_t par_len);
168 
186  const unsigned char *start,
187  const char *oid, size_t oid_len,
188  size_t par_len, int has_par);
189 
203 int mbedtls_asn1_write_bool(unsigned char **p, const unsigned char *start,
204  int boolean);
205 
220 int mbedtls_asn1_write_int(unsigned char **p, const unsigned char *start, int val);
221 
235 int mbedtls_asn1_write_enum(unsigned char **p, const unsigned char *start, int val);
236 
254 int mbedtls_asn1_write_tagged_string(unsigned char **p, const unsigned char *start,
255  int tag, const char *text,
256  size_t text_len);
257 
274  const unsigned char *start,
275  const char *text, size_t text_len);
276 
292 int mbedtls_asn1_write_utf8_string(unsigned char **p, const unsigned char *start,
293  const char *text, size_t text_len);
294 
310 int mbedtls_asn1_write_ia5_string(unsigned char **p, const unsigned char *start,
311  const char *text, size_t text_len);
312 
327 int mbedtls_asn1_write_bitstring(unsigned char **p, const unsigned char *start,
328  const unsigned char *buf, size_t bits);
329 
348  const unsigned char *start,
349  const unsigned char *buf,
350  size_t bits);
351 
366 int mbedtls_asn1_write_octet_string(unsigned char **p, const unsigned char *start,
367  const unsigned char *buf, size_t size);
368 
391  const char *oid, size_t oid_len,
392  const unsigned char *val,
393  size_t val_len);
394 
395 #ifdef __cplusplus
396 }
397 #endif
398 
399 #endif /* MBEDTLS_ASN1_WRITE_C */
400 
401 #endif /* MBEDTLS_ASN1_WRITE_H */
Generic ASN.1 parsing.
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_bitstring(unsigned char **p, const 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_algorithm_identifier(unsigned char **p, const 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_raw_buffer(unsigned char **p, const unsigned char *start, const unsigned char *buf, size_t size)
Write raw buffer data.
int mbedtls_asn1_write_tag(unsigned char **p, const unsigned char *start, unsigned char tag)
Write an ASN.1 tag in ASN.1 format.
int mbedtls_asn1_write_algorithm_identifier_ext(unsigned char **p, const 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_oid(unsigned char **p, const 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, const unsigned char *start, const mbedtls_mpi *X)
Write an arbitrary-precision number (MBEDTLS_ASN1_INTEGER) in ASN.1 format.
int mbedtls_asn1_write_octet_string(unsigned char **p, const 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_bool(unsigned char **p, const unsigned char *start, int boolean)
Write a boolean tag (MBEDTLS_ASN1_BOOLEAN) and value in ASN.1 format.
int mbedtls_asn1_write_null(unsigned char **p, const unsigned char *start)
Write a NULL tag (MBEDTLS_ASN1_NULL) with zero data in ASN.1 format.
int mbedtls_asn1_write_utf8_string(unsigned char **p, const 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_printable_string(unsigned char **p, const 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_int(unsigned char **p, const unsigned char *start, int val)
Write an int tag (MBEDTLS_ASN1_INTEGER) and value in ASN.1 format.
int mbedtls_asn1_write_ia5_string(unsigned char **p, const 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_enum(unsigned char **p, const unsigned char *start, int val)
Write an enum tag (MBEDTLS_ASN1_ENUMERATED) and value in ASN.1 format.
int mbedtls_asn1_write_named_bitstring(unsigned char **p, const 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_len(unsigned char **p, const unsigned char *start, size_t len)
Write a length field in ASN.1 format.
int mbedtls_asn1_write_tagged_string(unsigned char **p, const 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.
Build-time configuration info.
MPI structure.
Definition: bignum.h:219