1/**
2 * \file x509.h
3 *
4 * \brief Internal part of the public "x509.h".
5 */
6/*
7 *  Copyright The Mbed TLS Contributors
8 *  SPDX-License-Identifier: Apache-2.0 OR GPL-2.0-or-later
9 */
10#ifndef MBEDTLS_X509_INTERNAL_H
11#define MBEDTLS_X509_INTERNAL_H
12#include "mbedtls/private_access.h"
13
14#include "mbedtls/build_info.h"
15
16#include "mbedtls/x509.h"
17#include "mbedtls/asn1.h"
18#include "pk_internal.h"
19
20#if defined(MBEDTLS_RSA_C)
21#include "mbedtls/rsa.h"
22#endif
23
24int mbedtls_x509_get_name(unsigned char **p, const unsigned char *end,
25                          mbedtls_x509_name *cur);
26int mbedtls_x509_get_alg_null(unsigned char **p, const unsigned char *end,
27                              mbedtls_x509_buf *alg);
28int mbedtls_x509_get_alg(unsigned char **p, const unsigned char *end,
29                         mbedtls_x509_buf *alg, mbedtls_x509_buf *params);
30#if defined(MBEDTLS_X509_RSASSA_PSS_SUPPORT)
31int mbedtls_x509_get_rsassa_pss_params(const mbedtls_x509_buf *params,
32                                       mbedtls_md_type_t *md_alg, mbedtls_md_type_t *mgf_md,
33                                       int *salt_len);
34#endif
35int mbedtls_x509_get_sig(unsigned char **p, const unsigned char *end, mbedtls_x509_buf *sig);
36int mbedtls_x509_get_sig_alg(const mbedtls_x509_buf *sig_oid, const mbedtls_x509_buf *sig_params,
37                             mbedtls_md_type_t *md_alg, mbedtls_pk_type_t *pk_alg,
38                             void **sig_opts);
39int mbedtls_x509_get_time(unsigned char **p, const unsigned char *end,
40                          mbedtls_x509_time *t);
41int mbedtls_x509_get_serial(unsigned char **p, const unsigned char *end,
42                            mbedtls_x509_buf *serial);
43int mbedtls_x509_get_ext(unsigned char **p, const unsigned char *end,
44                         mbedtls_x509_buf *ext, int tag);
45#if !defined(MBEDTLS_X509_REMOVE_INFO)
46int mbedtls_x509_sig_alg_gets(char *buf, size_t size, const mbedtls_x509_buf *sig_oid,
47                              mbedtls_pk_type_t pk_alg, mbedtls_md_type_t md_alg,
48                              const void *sig_opts);
49#endif
50int mbedtls_x509_key_size_helper(char *buf, size_t buf_size, const char *name);
51int mbedtls_x509_set_extension(mbedtls_asn1_named_data **head, const char *oid, size_t oid_len,
52                               int critical, const unsigned char *val,
53                               size_t val_len);
54int mbedtls_x509_write_extensions(unsigned char **p, unsigned char *start,
55                                  mbedtls_asn1_named_data *first);
56int mbedtls_x509_write_names(unsigned char **p, unsigned char *start,
57                             mbedtls_asn1_named_data *first);
58int mbedtls_x509_write_sig(unsigned char **p, unsigned char *start,
59                           const char *oid, size_t oid_len,
60                           unsigned char *sig, size_t size,
61                           mbedtls_pk_type_t pk_alg);
62int mbedtls_x509_get_ns_cert_type(unsigned char **p,
63                                  const unsigned char *end,
64                                  unsigned char *ns_cert_type);
65int mbedtls_x509_get_key_usage(unsigned char **p,
66                               const unsigned char *end,
67                               unsigned int *key_usage);
68int mbedtls_x509_get_subject_alt_name(unsigned char **p,
69                                      const unsigned char *end,
70                                      mbedtls_x509_sequence *subject_alt_name);
71int mbedtls_x509_get_subject_alt_name_ext(unsigned char **p,
72                                          const unsigned char *end,
73                                          mbedtls_x509_sequence *subject_alt_name);
74int mbedtls_x509_info_subject_alt_name(char **buf, size_t *size,
75                                       const mbedtls_x509_sequence
76                                       *subject_alt_name,
77                                       const char *prefix);
78int mbedtls_x509_info_cert_type(char **buf, size_t *size,
79                                unsigned char ns_cert_type);
80int mbedtls_x509_info_key_usage(char **buf, size_t *size,
81                                unsigned int key_usage);
82
83int mbedtls_x509_write_set_san_common(mbedtls_asn1_named_data **extensions,
84                                      const mbedtls_x509_san_list *san_list);
85
86#endif /* MBEDTLS_X509_INTERNAL_H */
87