23 #ifndef MBEDTLS_ASN1_H 24 #define MBEDTLS_ASN1_H 26 #if !defined(MBEDTLS_CONFIG_FILE) 29 #include MBEDTLS_CONFIG_FILE 34 #if defined(MBEDTLS_BIGNUM_C) 50 #define MBEDTLS_ERR_ASN1_OUT_OF_DATA -0x0060 51 #define MBEDTLS_ERR_ASN1_UNEXPECTED_TAG -0x0062 52 #define MBEDTLS_ERR_ASN1_INVALID_LENGTH -0x0064 53 #define MBEDTLS_ERR_ASN1_LENGTH_MISMATCH -0x0066 54 #define MBEDTLS_ERR_ASN1_INVALID_DATA -0x0068 55 #define MBEDTLS_ERR_ASN1_ALLOC_FAILED -0x006A 56 #define MBEDTLS_ERR_ASN1_BUF_TOO_SMALL -0x006C 71 #define MBEDTLS_ASN1_BOOLEAN 0x01 72 #define MBEDTLS_ASN1_INTEGER 0x02 73 #define MBEDTLS_ASN1_BIT_STRING 0x03 74 #define MBEDTLS_ASN1_OCTET_STRING 0x04 75 #define MBEDTLS_ASN1_NULL 0x05 76 #define MBEDTLS_ASN1_OID 0x06 77 #define MBEDTLS_ASN1_UTF8_STRING 0x0C 78 #define MBEDTLS_ASN1_SEQUENCE 0x10 79 #define MBEDTLS_ASN1_SET 0x11 80 #define MBEDTLS_ASN1_PRINTABLE_STRING 0x13 81 #define MBEDTLS_ASN1_T61_STRING 0x14 82 #define MBEDTLS_ASN1_IA5_STRING 0x16 83 #define MBEDTLS_ASN1_UTC_TIME 0x17 84 #define MBEDTLS_ASN1_GENERALIZED_TIME 0x18 85 #define MBEDTLS_ASN1_UNIVERSAL_STRING 0x1C 86 #define MBEDTLS_ASN1_BMP_STRING 0x1E 87 #define MBEDTLS_ASN1_PRIMITIVE 0x00 88 #define MBEDTLS_ASN1_CONSTRUCTED 0x20 89 #define MBEDTLS_ASN1_CONTEXT_SPECIFIC 0x80 94 #define MBEDTLS_OID_SIZE(x) (sizeof(x) - 1) 102 #define MBEDTLS_OID_CMP(oid_str, oid_buf) \ 103 ( ( MBEDTLS_OID_SIZE(oid_str) != (oid_buf)->len ) || \ 104 memcmp( (oid_str), (oid_buf)->p, (oid_buf)->len) != 0 ) 172 const unsigned char *end,
188 const unsigned char *end,
202 const unsigned char *end,
216 const unsigned char *end,
258 const unsigned char *end,
262 #if defined(MBEDTLS_BIGNUM_C) 274 const unsigned char *end,
291 const unsigned char *end,
307 const unsigned char *end,
321 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.
Configuration options (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 <tag>" 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.