51 #ifndef MBEDTLS_ASN1_H 52 #define MBEDTLS_ASN1_H 54 #if !defined(MBEDTLS_CONFIG_FILE) 57 #include MBEDTLS_CONFIG_FILE 62 #if defined(MBEDTLS_BIGNUM_C) 78 #define MBEDTLS_ERR_ASN1_OUT_OF_DATA -0x0060 79 #define MBEDTLS_ERR_ASN1_UNEXPECTED_TAG -0x0062 80 #define MBEDTLS_ERR_ASN1_INVALID_LENGTH -0x0064 81 #define MBEDTLS_ERR_ASN1_LENGTH_MISMATCH -0x0066 82 #define MBEDTLS_ERR_ASN1_INVALID_DATA -0x0068 83 #define MBEDTLS_ERR_ASN1_ALLOC_FAILED -0x006A 84 #define MBEDTLS_ERR_ASN1_BUF_TOO_SMALL -0x006C 99 #define MBEDTLS_ASN1_BOOLEAN 0x01 100 #define MBEDTLS_ASN1_INTEGER 0x02 101 #define MBEDTLS_ASN1_BIT_STRING 0x03 102 #define MBEDTLS_ASN1_OCTET_STRING 0x04 103 #define MBEDTLS_ASN1_NULL 0x05 104 #define MBEDTLS_ASN1_OID 0x06 105 #define MBEDTLS_ASN1_UTF8_STRING 0x0C 106 #define MBEDTLS_ASN1_SEQUENCE 0x10 107 #define MBEDTLS_ASN1_SET 0x11 108 #define MBEDTLS_ASN1_PRINTABLE_STRING 0x13 109 #define MBEDTLS_ASN1_T61_STRING 0x14 110 #define MBEDTLS_ASN1_IA5_STRING 0x16 111 #define MBEDTLS_ASN1_UTC_TIME 0x17 112 #define MBEDTLS_ASN1_GENERALIZED_TIME 0x18 113 #define MBEDTLS_ASN1_UNIVERSAL_STRING 0x1C 114 #define MBEDTLS_ASN1_BMP_STRING 0x1E 115 #define MBEDTLS_ASN1_PRIMITIVE 0x00 116 #define MBEDTLS_ASN1_CONSTRUCTED 0x20 117 #define MBEDTLS_ASN1_CONTEXT_SPECIFIC 0x80 129 #define MBEDTLS_ASN1_TAG_CLASS_MASK 0xC0 130 #define MBEDTLS_ASN1_TAG_PC_MASK 0x20 131 #define MBEDTLS_ASN1_TAG_VALUE_MASK 0x1F 137 #define MBEDTLS_OID_SIZE(x) (sizeof(x) - 1) 145 #define MBEDTLS_OID_CMP(oid_str, oid_buf) \ 146 ( ( MBEDTLS_OID_SIZE(oid_str) != (oid_buf)->len ) || \ 147 memcmp( (oid_str), (oid_buf)->p, (oid_buf)->len) != 0 ) 215 const unsigned char *end,
231 const unsigned char *end,
232 size_t *len,
int tag );
245 const unsigned char *end,
259 const unsigned char *end,
301 const unsigned char *end,
305 #if defined(MBEDTLS_BIGNUM_C) 317 const unsigned char *end,
334 const unsigned char *end,
350 const unsigned char *end,
364 const char *
oid,
size_t len );
unsigned char unused_bits
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. Updates the pointer to the beginnin...
unsigned char next_merged
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. Updates the pointer to immediately behind the full Al...
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. Check for the requested tag. Updates the pointer to immediately be...
Configuration options (set of defines)
void mbedtls_asn1_free_named_data(mbedtls_asn1_named_data *entry)
Free a mbedtls_asn1_named_data entry.
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. Updates the pointer to immedia...
Multi-precision integer library.
struct mbedtls_asn1_bitstring mbedtls_asn1_bitstring
struct mbedtls_asn1_named_data mbedtls_asn1_named_data
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.
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. Updates the pointer to immediately behind the full ta...
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. Updates the pointer to immediately behind the full tag...
struct mbedtls_asn1_buf mbedtls_asn1_buf
int mbedtls_asn1_get_bool(unsigned char **p, const unsigned char *end, int *val)
Retrieve a boolean ASN.1 tag and its value. Updates the pointer to immediately behind the full tag...
struct mbedtls_asn1_sequence mbedtls_asn1_sequence
int mbedtls_asn1_get_int(unsigned char **p, const unsigned char *end, int *val)
Retrieve an integer ASN.1 tag and its value. Updates the pointer to immediately behind the full tag...
int mbedtls_asn1_get_len(unsigned char **p, const unsigned char *end, size_t *len)
Get the length of an ASN.1 element. Updates the pointer to immediately behind the length...
struct mbedtls_asn1_named_data * next
struct mbedtls_asn1_sequence * next