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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 OR GPL-2.0-or-later
9  */
10 #ifndef MBEDTLS_ASN1_WRITE_H
11 #define MBEDTLS_ASN1_WRITE_H
12 
13 #include "mbedtls/build_info.h"
14 
15 #include "mbedtls/asn1.h"
16 
17 #define MBEDTLS_ASN1_CHK_ADD(g, f) \
18  do \
19  { \
20  if ((ret = (f)) < 0) \
21  return ret; \
22  else \
23  (g) += ret; \
24  } while (0)
25 
26 #define MBEDTLS_ASN1_CHK_CLEANUP_ADD(g, f) \
27  do \
28  { \
29  if ((ret = (f)) < 0) \
30  goto cleanup; \
31  else \
32  (g) += ret; \
33  } while (0)
34 
35 #ifdef __cplusplus
36 extern "C" {
37 #endif
38 
39 #if defined(MBEDTLS_ASN1_WRITE_C) || defined(MBEDTLS_X509_USE_C) || \
40  defined(MBEDTLS_PSA_UTIL_HAVE_ECDSA)
41 
53 int mbedtls_asn1_write_len(unsigned char **p, const unsigned char *start,
54  size_t len);
67 int mbedtls_asn1_write_tag(unsigned char **p, const unsigned char *start,
68  unsigned char tag);
69 #endif /* MBEDTLS_ASN1_WRITE_C || MBEDTLS_X509_USE_C || MBEDTLS_PSA_UTIL_HAVE_ECDSA*/
70 
71 #if defined(MBEDTLS_ASN1_WRITE_C)
72 
85 int mbedtls_asn1_write_raw_buffer(unsigned char **p, const unsigned char *start,
86  const unsigned char *buf, size_t size);
87 
88 #if defined(MBEDTLS_BIGNUM_C)
89 
103 int mbedtls_asn1_write_mpi(unsigned char **p, const unsigned char *start,
104  const mbedtls_mpi *X);
105 #endif /* MBEDTLS_BIGNUM_C */
106 
119 int mbedtls_asn1_write_null(unsigned char **p, const unsigned char *start);
120 
135 int mbedtls_asn1_write_oid(unsigned char **p, const unsigned char *start,
136  const char *oid, size_t oid_len);
137 
153 int mbedtls_asn1_write_algorithm_identifier(unsigned char **p,
154  const unsigned char *start,
155  const char *oid, size_t oid_len,
156  size_t par_len);
157 
174 int mbedtls_asn1_write_algorithm_identifier_ext(unsigned char **p,
175  const unsigned char *start,
176  const char *oid, size_t oid_len,
177  size_t par_len, int has_par);
178 
192 int mbedtls_asn1_write_bool(unsigned char **p, const unsigned char *start,
193  int boolean);
194 
209 int mbedtls_asn1_write_int(unsigned char **p, const unsigned char *start, int val);
210 
224 int mbedtls_asn1_write_enum(unsigned char **p, const unsigned char *start, int val);
225 
243 int mbedtls_asn1_write_tagged_string(unsigned char **p, const unsigned char *start,
244  int tag, const char *text,
245  size_t text_len);
246 
262 int mbedtls_asn1_write_printable_string(unsigned char **p,
263  const unsigned char *start,
264  const char *text, size_t text_len);
265 
281 int mbedtls_asn1_write_utf8_string(unsigned char **p, const unsigned char *start,
282  const char *text, size_t text_len);
283 
299 int mbedtls_asn1_write_ia5_string(unsigned char **p, const unsigned char *start,
300  const char *text, size_t text_len);
301 
316 int mbedtls_asn1_write_bitstring(unsigned char **p, const unsigned char *start,
317  const unsigned char *buf, size_t bits);
318 
336 int mbedtls_asn1_write_named_bitstring(unsigned char **p,
337  const unsigned char *start,
338  const unsigned char *buf,
339  size_t bits);
340 
355 int mbedtls_asn1_write_octet_string(unsigned char **p, const unsigned char *start,
356  const unsigned char *buf, size_t size);
357 
380  const char *oid, size_t oid_len,
381  const unsigned char *val,
382  size_t val_len);
383 
384 #ifdef __cplusplus
385 }
386 #endif
387 
388 #endif /* MBEDTLS_ASN1_WRITE_C */
389 
390 #endif /* MBEDTLS_ASN1_WRITE_H */
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_len(unsigned char **p, const unsigned char *start, size_t len)
Write a length field in ASN.1 format.
mbedtls_asn1_buf oid
Definition: asn1.h:179
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_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_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_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_int(unsigned char **p, const unsigned char *start, int val)
Write an int tag (MBEDTLS_ASN1_INTEGER) and value in ASN.1 format.
Generic ASN.1 parsing.
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.
mbedtls_asn1_buf val
Definition: asn1.h:180
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.
Build-time configuration info.
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_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_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_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_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).
MPI structure.
Definition: bignum.h:207
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_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_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.
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...