22 #ifndef MBEDTLS_ASN1_H 23 #define MBEDTLS_ASN1_H 25 #if !defined(MBEDTLS_CONFIG_FILE) 28 #include MBEDTLS_CONFIG_FILE 33 #if defined(MBEDTLS_BIGNUM_C) 50 #define MBEDTLS_ERR_ASN1_OUT_OF_DATA -0x0060 52 #define MBEDTLS_ERR_ASN1_UNEXPECTED_TAG -0x0062 54 #define MBEDTLS_ERR_ASN1_INVALID_LENGTH -0x0064 56 #define MBEDTLS_ERR_ASN1_LENGTH_MISMATCH -0x0066 58 #define MBEDTLS_ERR_ASN1_INVALID_DATA -0x0068 60 #define MBEDTLS_ERR_ASN1_ALLOC_FAILED -0x006A 62 #define MBEDTLS_ERR_ASN1_BUF_TOO_SMALL -0x006C 77 #define MBEDTLS_ASN1_BOOLEAN 0x01 78 #define MBEDTLS_ASN1_INTEGER 0x02 79 #define MBEDTLS_ASN1_BIT_STRING 0x03 80 #define MBEDTLS_ASN1_OCTET_STRING 0x04 81 #define MBEDTLS_ASN1_NULL 0x05 82 #define MBEDTLS_ASN1_OID 0x06 83 #define MBEDTLS_ASN1_ENUMERATED 0x0A 84 #define MBEDTLS_ASN1_UTF8_STRING 0x0C 85 #define MBEDTLS_ASN1_SEQUENCE 0x10 86 #define MBEDTLS_ASN1_SET 0x11 87 #define MBEDTLS_ASN1_PRINTABLE_STRING 0x13 88 #define MBEDTLS_ASN1_T61_STRING 0x14 89 #define MBEDTLS_ASN1_IA5_STRING 0x16 90 #define MBEDTLS_ASN1_UTC_TIME 0x17 91 #define MBEDTLS_ASN1_GENERALIZED_TIME 0x18 92 #define MBEDTLS_ASN1_UNIVERSAL_STRING 0x1C 93 #define MBEDTLS_ASN1_BMP_STRING 0x1E 94 #define MBEDTLS_ASN1_PRIMITIVE 0x00 95 #define MBEDTLS_ASN1_CONSTRUCTED 0x20 96 #define MBEDTLS_ASN1_CONTEXT_SPECIFIC 0x80 100 #define MBEDTLS_ASN1_IS_STRING_TAG(tag) \ 102 ((1u << (tag)) & ((1u << MBEDTLS_ASN1_BMP_STRING) | \ 103 (1u << MBEDTLS_ASN1_UTF8_STRING) | \ 104 (1u << MBEDTLS_ASN1_T61_STRING) | \ 105 (1u << MBEDTLS_ASN1_IA5_STRING) | \ 106 (1u << MBEDTLS_ASN1_UNIVERSAL_STRING) | \ 107 (1u << MBEDTLS_ASN1_PRINTABLE_STRING) | \ 108 (1u << MBEDTLS_ASN1_BIT_STRING))) != 0)) 120 #define MBEDTLS_ASN1_TAG_CLASS_MASK 0xC0 121 #define MBEDTLS_ASN1_TAG_PC_MASK 0x20 122 #define MBEDTLS_ASN1_TAG_VALUE_MASK 0x1F 127 #define MBEDTLS_OID_SIZE(x) (sizeof(x) - 1) 135 #define MBEDTLS_OID_CMP(oid_str, oid_buf) \ 136 ((MBEDTLS_OID_SIZE(oid_str) != (oid_buf)->len) || \ 137 memcmp((oid_str), (oid_buf)->p, (oid_buf)->len) != 0) 139 #define MBEDTLS_OID_CMP_RAW(oid_str, oid_buf, oid_buf_len) \ 140 ((MBEDTLS_OID_SIZE(oid_str) != (oid_buf_len)) || \ 141 memcmp((oid_str), (oid_buf), (oid_buf_len)) != 0) 211 const unsigned char *end,
236 const unsigned char *end,
237 size_t *len,
int tag);
255 const unsigned char *end,
276 const unsigned char *end,
297 const unsigned char *end,
339 const unsigned char *end,
390 const unsigned char *end,
503 const unsigned char *end,
504 unsigned char tag_must_mask,
unsigned char tag_must_val,
505 unsigned char tag_may_mask,
unsigned char tag_may_val,
506 int (*cb)(
void *ctx,
int tag,
507 unsigned char *start,
size_t len),
510 #if defined(MBEDTLS_BIGNUM_C) 530 const unsigned char *end,
551 const unsigned char *end,
570 const unsigned char *end,
584 const char *
oid,
size_t len);
void mbedtls_asn1_free_named_data_list(mbedtls_asn1_named_data **head)
Free all entries in a mbedtls_asn1_named_data list.
unsigned char unused_bits
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...
unsigned char next_merged
int mbedtls_asn1_traverse_sequence_of(unsigned char **p, const unsigned char *end, unsigned char tag_must_mask, unsigned char tag_must_val, unsigned char tag_may_mask, unsigned char tag_may_val, int(*cb)(void *ctx, int tag, unsigned char *start, size_t len), void *ctx)
Traverse an ASN.1 SEQUENCE container and call a callback for each entry.
struct mbedtls_asn1_sequence mbedtls_asn1_sequence
Configuration options (set of defines)
struct mbedtls_asn1_buf mbedtls_asn1_buf
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.
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.
void mbedtls_asn1_sequence_free(mbedtls_asn1_sequence *seq)
Free a heap-allocated linked list presentation of an ASN.1 sequence, including the first element...
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_bitstring mbedtls_asn1_bitstring
int mbedtls_asn1_get_enum(unsigned char **p, const unsigned char *end, int *val)
Retrieve an enumerated ASN.1 tag and its value. Updates the pointer to immediately behind the full ta...
void mbedtls_asn1_free_named_data(mbedtls_asn1_named_data *entry)
Free a mbedtls_asn1_named_data entry.
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...
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>". Updates the pointer to immediately behind the full se...
int mbedtls_asn1_get_tag(unsigned char **p, const unsigned char *end, size_t *len, int tag)
Get the tag and length of the element. Check for the requested tag. Updates the pointer to immediatel...
struct mbedtls_asn1_named_data mbedtls_asn1_named_data
int mbedtls_asn1_get_mpi(unsigned char **p, const unsigned char *end, mbedtls_mpi *X)
Retrieve an integer ASN.1 tag and its value. Updates the pointer to immediately behind the full tag...
struct mbedtls_asn1_named_data * next
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_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...
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...
struct mbedtls_asn1_sequence * next