mbed TLS v2.16.11
x509_crt.h
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49 #ifndef MBEDTLS_X509_CRT_H
50 #define MBEDTLS_X509_CRT_H
51 
52 #if !defined(MBEDTLS_CONFIG_FILE)
53 #include "config.h"
54 #else
55 #include MBEDTLS_CONFIG_FILE
56 #endif
57 
58 #include "x509.h"
59 #include "x509_crl.h"
60 
66 #ifdef __cplusplus
67 extern "C" {
68 #endif
69 
78 typedef struct mbedtls_x509_crt
79 {
83  int version;
103  int ext_types;
104  int ca_istrue;
107  unsigned int key_usage;
111  unsigned char ns_cert_type;
116  void *sig_opts;
119 }
121 
126 #define MBEDTLS_X509_ID_FLAG( id ) ( 1 << ( (id) - 1 ) )
127 
134 {
135  uint32_t allowed_mds;
136  uint32_t allowed_pks;
137  uint32_t allowed_curves;
138  uint32_t rsa_min_bitlen;
139 }
141 
142 #define MBEDTLS_X509_CRT_VERSION_1 0
143 #define MBEDTLS_X509_CRT_VERSION_2 1
144 #define MBEDTLS_X509_CRT_VERSION_3 2
145 
146 #define MBEDTLS_X509_RFC5280_MAX_SERIAL_LEN 32
147 #define MBEDTLS_X509_RFC5280_UTC_TIME_LEN 15
148 
149 #if !defined( MBEDTLS_X509_MAX_FILE_PATH_LEN )
150 #define MBEDTLS_X509_MAX_FILE_PATH_LEN 512
151 #endif
152 
157 {
158  int version;
168 }
170 
174 typedef struct {
176  uint32_t flags;
178 
182 #define MBEDTLS_X509_MAX_VERIFY_CHAIN_SIZE ( MBEDTLS_X509_MAX_INTERMEDIATE_CA + 2 )
183 
187 typedef struct
188 {
190  unsigned len;
192 
193 #if defined(MBEDTLS_ECDSA_C) && defined(MBEDTLS_ECP_RESTARTABLE)
194 
198 typedef struct
199 {
200  /* for check_signature() */
202 
203  /* for find_parent_in() */
204  mbedtls_x509_crt *parent; /* non-null iff parent_in in progress */
205  mbedtls_x509_crt *fallback_parent;
206  int fallback_signature_is_good;
207 
208  /* for find_parent() */
209  int parent_is_trusted; /* -1 if find_parent is not in progress */
210 
211  /* for verify_chain() */
212  enum {
213  x509_crt_rs_none,
214  x509_crt_rs_find_parent,
215  } in_progress; /* none if no operation is in progress */
216  int self_cnt;
218 
220 
221 #else /* MBEDTLS_ECDSA_C && MBEDTLS_ECP_RESTARTABLE */
222 
223 /* Now we can declare functions that take a pointer to that */
225 
226 #endif /* MBEDTLS_ECDSA_C && MBEDTLS_ECP_RESTARTABLE */
227 
228 #if defined(MBEDTLS_X509_CRT_PARSE_C)
229 
243 
249 
254 
265 int mbedtls_x509_crt_parse_der( mbedtls_x509_crt *chain, const unsigned char *buf,
266  size_t buflen );
267 
298 int mbedtls_x509_crt_parse( mbedtls_x509_crt *chain, const unsigned char *buf, size_t buflen );
299 
300 #if defined(MBEDTLS_FS_IO)
301 
314 int mbedtls_x509_crt_parse_file( mbedtls_x509_crt *chain, const char *path );
315 
329 int mbedtls_x509_crt_parse_path( mbedtls_x509_crt *chain, const char *path );
330 #endif /* MBEDTLS_FS_IO */
331 
344 int mbedtls_x509_crt_info( char *buf, size_t size, const char *prefix,
345  const mbedtls_x509_crt *crt );
346 
359 int mbedtls_x509_crt_verify_info( char *buf, size_t size, const char *prefix,
360  uint32_t flags );
361 
421  mbedtls_x509_crt *trust_ca,
422  mbedtls_x509_crl *ca_crl,
423  const char *cn, uint32_t *flags,
424  int (*f_vrfy)(void *, mbedtls_x509_crt *, int, uint32_t *),
425  void *p_vrfy );
426 
455  mbedtls_x509_crt *trust_ca,
456  mbedtls_x509_crl *ca_crl,
457  const mbedtls_x509_crt_profile *profile,
458  const char *cn, uint32_t *flags,
459  int (*f_vrfy)(void *, mbedtls_x509_crt *, int, uint32_t *),
460  void *p_vrfy );
461 
485  mbedtls_x509_crt *trust_ca,
486  mbedtls_x509_crl *ca_crl,
487  const mbedtls_x509_crt_profile *profile,
488  const char *cn, uint32_t *flags,
489  int (*f_vrfy)(void *, mbedtls_x509_crt *, int, uint32_t *),
490  void *p_vrfy,
492 
493 #if defined(MBEDTLS_X509_CHECK_KEY_USAGE)
494 
516  unsigned int usage );
517 #endif /* MBEDTLS_X509_CHECK_KEY_USAGE) */
518 
519 #if defined(MBEDTLS_X509_CHECK_EXTENDED_KEY_USAGE)
520 
534  const char *usage_oid,
535  size_t usage_len );
536 #endif /* MBEDTLS_X509_CHECK_EXTENDED_KEY_USAGE */
537 
538 #if defined(MBEDTLS_X509_CRL_PARSE_C)
539 
549 #endif /* MBEDTLS_X509_CRL_PARSE_C */
550 
557 
564 
565 #if defined(MBEDTLS_ECDSA_C) && defined(MBEDTLS_ECP_RESTARTABLE)
566 
569 void mbedtls_x509_crt_restart_init( mbedtls_x509_crt_restart_ctx *ctx );
570 
574 void mbedtls_x509_crt_restart_free( mbedtls_x509_crt_restart_ctx *ctx );
575 #endif /* MBEDTLS_ECDSA_C && MBEDTLS_ECP_RESTARTABLE */
576 #endif /* MBEDTLS_X509_CRT_PARSE_C */
577 
578 /* \} name */
579 /* \} addtogroup x509_module */
580 
581 #if defined(MBEDTLS_X509_CRT_WRITE_C)
582 
588 
598 
608 
623 int mbedtls_x509write_crt_set_validity( mbedtls_x509write_cert *ctx, const char *not_before,
624  const char *not_after );
625 
639  const char *issuer_name );
640 
654  const char *subject_name );
655 
663 
671 
680 
695  const char *oid, size_t oid_len,
696  int critical,
697  const unsigned char *val, size_t val_len );
698 
711  int is_ca, int max_pathlen );
712 
713 #if defined(MBEDTLS_SHA1_C)
714 
724 
735 #endif /* MBEDTLS_SHA1_C */
736 
747  unsigned int key_usage );
748 
759  unsigned char ns_cert_type );
760 
767 
788 int mbedtls_x509write_crt_der( mbedtls_x509write_cert *ctx, unsigned char *buf, size_t size,
789  int (*f_rng)(void *, unsigned char *, size_t),
790  void *p_rng );
791 
792 #if defined(MBEDTLS_PEM_WRITE_C)
793 
809 int mbedtls_x509write_crt_pem( mbedtls_x509write_cert *ctx, unsigned char *buf, size_t size,
810  int (*f_rng)(void *, unsigned char *, size_t),
811  void *p_rng );
812 #endif /* MBEDTLS_PEM_WRITE_C */
813 #endif /* MBEDTLS_X509_CRT_WRITE_C */
814 
815 #ifdef __cplusplus
816 }
817 #endif
818 
819 #endif /* mbedtls_x509_crt.h */
int mbedtls_x509write_crt_set_authority_key_identifier(mbedtls_x509write_cert *ctx)
Set the authorityKeyIdentifier extension for a CRT Requires that mbedtls_x509write_crt_set_issuer_key...
int mbedtls_x509_crt_verify(mbedtls_x509_crt *crt, mbedtls_x509_crt *trust_ca, mbedtls_x509_crl *ca_crl, const char *cn, uint32_t *flags, int(*f_vrfy)(void *, mbedtls_x509_crt *, int, uint32_t *), void *p_vrfy)
Verify the certificate signature.
Public key container.
Definition: pk.h:155
int mbedtls_x509write_crt_der(mbedtls_x509write_cert *ctx, unsigned char *buf, size_t size, int(*f_rng)(void *, unsigned char *, size_t), void *p_rng)
Write a built up certificate to a X509 DER structure Note: data is written at the end of the buffer! ...
int mbedtls_x509_crt_verify_with_profile(mbedtls_x509_crt *crt, mbedtls_x509_crt *trust_ca, mbedtls_x509_crl *ca_crl, const mbedtls_x509_crt_profile *profile, const char *cn, uint32_t *flags, int(*f_vrfy)(void *, mbedtls_x509_crt *, int, uint32_t *), void *p_vrfy)
Verify the certificate signature according to profile.
mbedtls_x509_sequence subject_alt_names
Definition: x509_crt.h:101
int mbedtls_x509_crt_verify_restartable(mbedtls_x509_crt *crt, mbedtls_x509_crt *trust_ca, mbedtls_x509_crl *ca_crl, const mbedtls_x509_crt_profile *profile, const char *cn, uint32_t *flags, int(*f_vrfy)(void *, mbedtls_x509_crt *, int, uint32_t *), void *p_vrfy, mbedtls_x509_crt_restart_ctx *rs_ctx)
Restartable version of mbedtls_crt_verify_with_profile()
int mbedtls_x509_crt_parse_der(mbedtls_x509_crt *chain, const unsigned char *buf, size_t buflen)
Parse a single DER formatted certificate and add it to the chained list.
int mbedtls_x509write_crt_set_extension(mbedtls_x509write_cert *ctx, const char *oid, size_t oid_len, int critical, const unsigned char *val, size_t val_len)
Generic function to add to or replace an extension in the CRT.
int mbedtls_x509write_crt_set_ns_cert_type(mbedtls_x509write_cert *ctx, unsigned char ns_cert_type)
Set the Netscape Cert Type flags (e.g. MBEDTLS_X509_NS_CERT_TYPE_SSL_CLIENT | MBEDTLS_X509_NS_CERT_TY...
mbedtls_pk_type_t
Public key types.
Definition: pk.h:103
int mbedtls_x509_crt_is_revoked(const mbedtls_x509_crt *crt, const mbedtls_x509_crl *crl)
Verify the certificate revocation status.
Configuration options (set of defines)
char not_after[MBEDTLS_X509_RFC5280_UTC_TIME_LEN+1]
Definition: x509_crt.h:166
int mbedtls_x509write_crt_pem(mbedtls_x509write_cert *ctx, unsigned char *buf, size_t size, int(*f_rng)(void *, unsigned char *, size_t), void *p_rng)
Write a built up certificate to a X509 PEM string.
struct mbedtls_x509_crt * next
Definition: x509_crt.h:118
const mbedtls_x509_crt_profile mbedtls_x509_crt_profile_default
int mbedtls_x509_crt_check_key_usage(const mbedtls_x509_crt *crt, unsigned int usage)
Check usage of certificate against keyUsage extension.
mbedtls_x509_name issuer
Definition: x509_crt.h:90
void mbedtls_x509write_crt_set_subject_key(mbedtls_x509write_cert *ctx, mbedtls_pk_context *key)
Set the subject public key for the certificate.
int mbedtls_x509write_crt_set_key_usage(mbedtls_x509write_cert *ctx, unsigned int key_usage)
Set the Key Usage Extension flags (e.g. MBEDTLS_X509_KU_DIGITAL_SIGNATURE | MBEDTLS_X509_KU_KEY_CERT_...
void mbedtls_x509write_crt_init(mbedtls_x509write_cert *ctx)
Initialize a CRT writing context.
mbedtls_x509_buf subject_id
Definition: x509_crt.h:99
struct mbedtls_x509write_cert mbedtls_x509write_cert
void mbedtls_x509write_crt_set_md_alg(mbedtls_x509write_cert *ctx, mbedtls_md_type_t md_alg)
Set the MD algorithm to use for the signature (e.g. MBEDTLS_MD_SHA1)
mbedtls_x509_buf tbs
Definition: x509_crt.h:81
mbedtls_x509_buf subject_raw
Definition: x509_crt.h:88
void mbedtls_x509_crt_free(mbedtls_x509_crt *crt)
Unallocate all certificate data.
mbedtls_x509_buf sig_oid
Definition: x509_crt.h:85
void mbedtls_pk_restart_ctx
Definition: pk.h:172
mbedtls_x509_buf issuer_raw
Definition: x509_crt.h:87
const mbedtls_x509_crt_profile mbedtls_x509_crt_profile_suiteb
int mbedtls_x509write_crt_set_basic_constraints(mbedtls_x509write_cert *ctx, int is_ca, int max_pathlen)
Set the basicConstraints extension for a CRT.
mbedtls_x509_name subject
Definition: x509_crt.h:91
mbedtls_x509_time valid_to
Definition: x509_crt.h:94
int mbedtls_x509_crt_parse(mbedtls_x509_crt *chain, const unsigned char *buf, size_t buflen)
Parse one DER-encoded or one or more concatenated PEM-encoded certificates and add them to the chaine...
struct mbedtls_x509_crt_profile mbedtls_x509_crt_profile
unsigned char ns_cert_type
Definition: x509_crt.h:111
int mbedtls_x509_crt_parse_path(mbedtls_x509_crt *chain, const char *path)
Load one or more certificate files from a path and add them to the chained list. Parses permissively...
int mbedtls_x509write_crt_set_subject_key_identifier(mbedtls_x509write_cert *ctx)
Set the subjectKeyIdentifier extension for a CRT Requires that mbedtls_x509write_crt_set_subject_key(...
int mbedtls_x509write_crt_set_subject_name(mbedtls_x509write_cert *ctx, const char *subject_name)
Set the subject name for a Certificate Subject names should contain a comma-separated list of OID typ...
mbedtls_x509_buf serial
Definition: x509_crt.h:84
void mbedtls_x509_crt_restart_ctx
Definition: x509_crt.h:224
void mbedtls_x509write_crt_set_version(mbedtls_x509write_cert *ctx, int version)
Set the verion for a Certificate Default: MBEDTLS_X509_CRT_VERSION_3.
mbedtls_x509_time valid_from
Definition: x509_crt.h:93
mbedtls_x509_buf raw
Definition: x509_crt.h:80
int mbedtls_x509_crt_check_extended_key_usage(const mbedtls_x509_crt *crt, const char *usage_oid, size_t usage_len)
Check usage of certificate against extendedKeyUsage.
int mbedtls_x509write_crt_set_validity(mbedtls_x509write_cert *ctx, const char *not_before, const char *not_after)
Set the validity period for a Certificate Timestamps should be in string format for UTC timezone i...
#define MBEDTLS_X509_RFC5280_UTC_TIME_LEN
Definition: x509_crt.h:147
#define MBEDTLS_X509_MAX_VERIFY_CHAIN_SIZE
Definition: x509_crt.h:182
void mbedtls_x509write_crt_set_issuer_key(mbedtls_x509write_cert *ctx, mbedtls_pk_context *key)
Set the issuer key used for signing the certificate.
const mbedtls_x509_crt_profile mbedtls_x509_crt_profile_next
mbedtls_pk_context * subject_key
Definition: x509_crt.h:160
mbedtls_pk_type_t sig_pk
Definition: x509_crt.h:115
X.509 generic defines and structures.
int mbedtls_x509_crt_info(char *buf, size_t size, const char *prefix, const mbedtls_x509_crt *crt)
Returns an informational string about the certificate.
int mbedtls_x509write_crt_set_issuer_name(mbedtls_x509write_cert *ctx, const char *issuer_name)
Set the issuer name for a Certificate Issuer names should contain a comma-separated list of OID types...
mbedtls_asn1_named_data * subject
Definition: x509_crt.h:162
int mbedtls_x509_crt_parse_file(mbedtls_x509_crt *chain, const char *path)
Load one or more certificates and add them to the chained list. Parses permissively. If some certificates can be parsed, the result is the number of failed certificates it encountered. If none complete correctly, the first error is returned.
mbedtls_pk_context * issuer_key
Definition: x509_crt.h:161
void * sig_opts
Definition: x509_crt.h:116
char not_before[MBEDTLS_X509_RFC5280_UTC_TIME_LEN+1]
Definition: x509_crt.h:165
mbedtls_md_type_t md_alg
Definition: x509_crt.h:164
mbedtls_x509_buf issuer_id
Definition: x509_crt.h:98
int mbedtls_x509write_crt_set_serial(mbedtls_x509write_cert *ctx, const mbedtls_mpi *serial)
Set the serial number for a Certificate.
MPI structure.
Definition: bignum.h:210
X.509 certificate revocation list parsing.
void mbedtls_x509write_crt_free(mbedtls_x509write_cert *ctx)
Free the contents of a CRT write context.
struct mbedtls_x509_crt mbedtls_x509_crt
mbedtls_x509_sequence ext_key_usage
Definition: x509_crt.h:109
void mbedtls_x509_crt_init(mbedtls_x509_crt *crt)
Initialize a certificate (chain)
mbedtls_asn1_named_data * extensions
Definition: x509_crt.h:167
unsigned int key_usage
Definition: x509_crt.h:107
mbedtls_pk_context pk
Definition: x509_crt.h:96
mbedtls_x509_buf sig
Definition: x509_crt.h:113
mbedtls_md_type_t
Supported message digests.
Definition: md.h:83
int mbedtls_x509_crt_verify_info(char *buf, size_t size, const char *prefix, uint32_t flags)
Returns an informational string about the verification status of a certificate.
mbedtls_asn1_named_data * issuer
Definition: x509_crt.h:163
mbedtls_mpi serial
Definition: x509_crt.h:159
mbedtls_x509_buf v3_ext
Definition: x509_crt.h:100
mbedtls_md_type_t sig_md
Definition: x509_crt.h:114