ReactOS 0.4.16-dev-297-gc569aee
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Classes | |
struct | mbedtls_asn1_buf |
struct | mbedtls_asn1_bitstring |
struct | mbedtls_asn1_sequence |
struct | mbedtls_asn1_named_data |
Functions to parse ASN.1 data structures | |
typedef struct mbedtls_asn1_buf | mbedtls_asn1_buf |
typedef struct mbedtls_asn1_bitstring | mbedtls_asn1_bitstring |
typedef struct mbedtls_asn1_sequence | mbedtls_asn1_sequence |
typedef struct mbedtls_asn1_named_data | mbedtls_asn1_named_data |
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_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 behind the tag and length. | |
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_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_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. | |
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 beginning of the bit/octet string. | |
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 sequence tag. | |
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 tag. | |
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 AlgorithmIdentifier. | |
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 immediately behind the full AlgorithmIdentifier. | |
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_free_named_data (mbedtls_asn1_named_data *entry) |
Free a mbedtls_asn1_named_data entry. | |
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. | |
ASN1 Error codes | |
These error codes are OR'ed to X509 error codes for higher error granularity. ASN1 is a standard to specify data structures. | |
#define | MBEDTLS_ERR_ASN1_OUT_OF_DATA -0x0060 |
#define | MBEDTLS_ERR_ASN1_UNEXPECTED_TAG -0x0062 |
#define | MBEDTLS_ERR_ASN1_INVALID_LENGTH -0x0064 |
#define | MBEDTLS_ERR_ASN1_LENGTH_MISMATCH -0x0066 |
#define | MBEDTLS_ERR_ASN1_INVALID_DATA -0x0068 |
#define | MBEDTLS_ERR_ASN1_ALLOC_FAILED -0x006A |
#define | MBEDTLS_ERR_ASN1_BUF_TOO_SMALL -0x006C |
#define MBEDTLS_ERR_ASN1_ALLOC_FAILED -0x006A |
#define MBEDTLS_ERR_ASN1_BUF_TOO_SMALL -0x006C |
#define MBEDTLS_ERR_ASN1_INVALID_DATA -0x0068 |
#define MBEDTLS_ERR_ASN1_INVALID_LENGTH -0x0064 |
#define MBEDTLS_ERR_ASN1_LENGTH_MISMATCH -0x0066 |
#define MBEDTLS_ERR_ASN1_OUT_OF_DATA -0x0060 |
#define MBEDTLS_ERR_ASN1_UNEXPECTED_TAG -0x0062 |
#define MBEDTLS_OID_CMP | ( | oid_str, | |
oid_buf | |||
) |
Compares an mbedtls_asn1_buf structure to a reference OID.
Only works for 'defined' oid_str values (MBEDTLS_OID_HMAC_SHA1), you cannot use a 'unsigned char *oid' here!
Container for ASN1 bit strings.
typedef struct mbedtls_asn1_buf mbedtls_asn1_buf |
Type-length-value structure that allows for ASN1 using DER.
Container for a sequence or list of 'named' ASN.1 data items
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.
list | The list to seek through |
oid | The OID to look for |
len | Size of the OID |
void mbedtls_asn1_free_named_data | ( | mbedtls_asn1_named_data * | entry | ) |
Free a mbedtls_asn1_named_data entry.
entry | The named data entry to free |
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.
head | Pointer to the head of the list of named data entries to free |
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 AlgorithmIdentifier.
p | The position in the ASN.1 data |
end | End of data |
alg | The buffer to receive the OID |
params | The buffer to receive the params (if any) |
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 immediately behind the full AlgorithmIdentifier.
p | The position in the ASN.1 data |
end | End of data |
alg | The buffer to receive the OID |
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.
p | The position in the ASN.1 data |
end | End of data |
bs | The variable that will receive the value |
Retrieve a bitstring ASN.1 tag without unused bits and its value. Updates the pointer to the beginning of the bit/octet string.
p | The position in the ASN.1 data |
end | End of data |
len | Length of the actual bit/octect string in bytes |
Retrieve a boolean ASN.1 tag and its value. Updates the pointer to immediately behind the full tag.
p | The position in the ASN.1 data |
end | End of data |
val | The variable that will receive the value |
Retrieve an integer ASN.1 tag and its value. Updates the pointer to immediately behind the full tag.
p | The position in the ASN.1 data |
end | End of data |
val | The variable that will receive the value |
Get the length of an ASN.1 element. Updates the pointer to immediately behind the length.
p | The position in the ASN.1 data |
end | End of data |
len | The variable that will receive the value |
Retrieve a MPI value from an integer ASN.1 tag. Updates the pointer to immediately behind the full tag.
p | The position in the ASN.1 data |
end | End of data |
X | The MPI that will receive the value |
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 sequence tag.
p | The position in the ASN.1 data |
end | End of data |
cur | First variable in the chain to fill |
tag | Type of sequence |
Get the tag and length of the tag. Check for the requested tag. Updates the pointer to immediately behind the tag and length.
p | The position in the ASN.1 data |
end | End of data |
len | The variable that will receive the length |
tag | The expected tag |
mbedtls_asn1_buf mbedtls_asn1_sequence::buf |
struct mbedtls_asn1_sequence* mbedtls_asn1_sequence::next |
struct mbedtls_asn1_named_data* mbedtls_asn1_named_data::next |
mbedtls_asn1_buf mbedtls_asn1_named_data::oid |
int mbedtls_asn1_buf::tag |
mbedtls_asn1_buf mbedtls_asn1_named_data::val |