24 #ifndef MBEDTLS_ASN1_H
25 #define MBEDTLS_ASN1_H
27 #if !defined(MBEDTLS_CONFIG_FILE)
30 #include MBEDTLS_CONFIG_FILE
35 #if defined(MBEDTLS_BIGNUM_C)
51 #define MBEDTLS_ERR_ASN1_OUT_OF_DATA -0x0060
52 #define MBEDTLS_ERR_ASN1_UNEXPECTED_TAG -0x0062
53 #define MBEDTLS_ERR_ASN1_INVALID_LENGTH -0x0064
54 #define MBEDTLS_ERR_ASN1_LENGTH_MISMATCH -0x0066
55 #define MBEDTLS_ERR_ASN1_INVALID_DATA -0x0068
56 #define MBEDTLS_ERR_ASN1_ALLOC_FAILED -0x006A
57 #define MBEDTLS_ERR_ASN1_BUF_TOO_SMALL -0x006C
72 #define MBEDTLS_ASN1_BOOLEAN 0x01
73 #define MBEDTLS_ASN1_INTEGER 0x02
74 #define MBEDTLS_ASN1_BIT_STRING 0x03
75 #define MBEDTLS_ASN1_OCTET_STRING 0x04
76 #define MBEDTLS_ASN1_NULL 0x05
77 #define MBEDTLS_ASN1_OID 0x06
78 #define MBEDTLS_ASN1_UTF8_STRING 0x0C
79 #define MBEDTLS_ASN1_SEQUENCE 0x10
80 #define MBEDTLS_ASN1_SET 0x11
81 #define MBEDTLS_ASN1_PRINTABLE_STRING 0x13
82 #define MBEDTLS_ASN1_T61_STRING 0x14
83 #define MBEDTLS_ASN1_IA5_STRING 0x16
84 #define MBEDTLS_ASN1_UTC_TIME 0x17
85 #define MBEDTLS_ASN1_GENERALIZED_TIME 0x18
86 #define MBEDTLS_ASN1_UNIVERSAL_STRING 0x1C
87 #define MBEDTLS_ASN1_BMP_STRING 0x1E
88 #define MBEDTLS_ASN1_PRIMITIVE 0x00
89 #define MBEDTLS_ASN1_CONSTRUCTED 0x20
90 #define MBEDTLS_ASN1_CONTEXT_SPECIFIC 0x80
95 #define MBEDTLS_OID_SIZE(x) (sizeof(x) - 1)
103 #define MBEDTLS_OID_CMP(oid_str, oid_buf) \
104 ( ( MBEDTLS_OID_SIZE(oid_str) != (oid_buf)->len ) || \
105 memcmp( (oid_str), (oid_buf)->p, (oid_buf)->len) != 0 )
173 const unsigned char *end,
189 const unsigned char *end,
190 size_t *len,
int tag );
203 const unsigned char *end,
217 const unsigned char *end,
259 const unsigned char *end,
263 #if defined(MBEDTLS_BIGNUM_C)
275 const unsigned char *end,
292 const unsigned char *end,
308 const unsigned char *end,
322 const char *
oid,
size_t len );
unsigned char unused_bits
Number of unused bits at the end of the string.
int mbedtls_asn1_get_bitstring_null(unsigned char **p, const unsigned char *end, size_t *len)
Retrieve a bitstring ASN.1 tag without unused bits and its value.
mbedtls_asn1_buf oid
The object identifier.
unsigned char next_merged
Merge next item into the current one?
int mbedtls_asn1_get_alg(unsigned char **p, const unsigned char *end, mbedtls_asn1_buf *alg, mbedtls_asn1_buf *params)
Retrieve an AlgorithmIdentifier ASN.1 sequence.
unsigned char * p
ASN1 data, e.g.
unsigned char * p
Raw ASN1 data for the bit string.
int mbedtls_asn1_get_tag(unsigned char **p, const unsigned char *end, size_t *len, int tag)
Get the tag and length of the tag.
mbedtls_asn1_buf buf
Buffer containing the given ASN.1 item.
Compatibility names (set of defines)
void mbedtls_asn1_free_named_data(mbedtls_asn1_named_data *entry)
Free a mbedtls_asn1_named_data entry.
Container for a sequence of ASN.1 items.
mbedtls_asn1_named_data * mbedtls_asn1_find_named_data(mbedtls_asn1_named_data *list, const char *oid, size_t len)
Find a specific named_data entry in a sequence or list based on the OID.
int mbedtls_asn1_get_alg_null(unsigned char **p, const unsigned char *end, mbedtls_asn1_buf *alg)
Retrieve an AlgorithmIdentifier ASN.1 sequence with NULL or no params.
Multi-precision integer library.
Container for a sequence or list of 'named' ASN.1 data items.
struct mbedtls_asn1_bitstring mbedtls_asn1_bitstring
Container for ASN1 bit strings.
struct mbedtls_asn1_named_data mbedtls_asn1_named_data
Container for a sequence or list of 'named' ASN.1 data items.
void mbedtls_asn1_free_named_data_list(mbedtls_asn1_named_data **head)
Free all entries in a mbedtls_asn1_named_data list Head will be set to NULL.
Type-length-value structure that allows for ASN1 using DER.
int mbedtls_asn1_get_mpi(unsigned char **p, const unsigned char *end, mbedtls_mpi *X)
Retrieve a MPI value from an integer ASN.1 tag.
int mbedtls_asn1_get_sequence_of(unsigned char **p, const unsigned char *end, mbedtls_asn1_sequence *cur, int tag)
Parses and splits an ASN.1 "SEQUENCE OF " Updated the pointer to immediately behind the full seq...
int mbedtls_asn1_get_bitstring(unsigned char **p, const unsigned char *end, mbedtls_asn1_bitstring *bs)
Retrieve a bitstring ASN.1 tag and its value.
struct mbedtls_asn1_buf mbedtls_asn1_buf
Type-length-value structure that allows for ASN1 using DER.
mbedtls_asn1_buf val
The named value.
int mbedtls_asn1_get_bool(unsigned char **p, const unsigned char *end, int *val)
Retrieve a boolean ASN.1 tag and its value.
struct mbedtls_asn1_sequence mbedtls_asn1_sequence
Container for a sequence of ASN.1 items.
int mbedtls_asn1_get_int(unsigned char **p, const unsigned char *end, int *val)
Retrieve an integer ASN.1 tag and its value.
Container for ASN1 bit strings.
size_t len
ASN1 length, in octets.
int mbedtls_asn1_get_len(unsigned char **p, const unsigned char *end, size_t *len)
Get the length of an ASN.1 element.
struct mbedtls_asn1_named_data * next
The next entry in the sequence.
size_t len
ASN1 length, in octets.
struct mbedtls_asn1_sequence * next
The next entry in the sequence.