Add ASN.1 ENUMERATED tag support

Add ASN.1 ENUMERATED [1] tag to supported tag list.

1. https://tools.ietf.org/html/rfc3641#page-8

Signed-off-by: Mykhailo Sopiha <mykhailo.sopiha@linaro.org>
This commit is contained in:
Mykhailo Sopiha 2019-10-29 15:58:10 +02:00
parent 0eaf49c9be
commit 20180ca919
4 changed files with 71 additions and 11 deletions

View file

@ -75,6 +75,7 @@
#define MBEDTLS_ASN1_OCTET_STRING 0x04
#define MBEDTLS_ASN1_NULL 0x05
#define MBEDTLS_ASN1_OID 0x06
#define MBEDTLS_ASN1_ENUMERATED 0x0A
#define MBEDTLS_ASN1_UTF8_STRING 0x0C
#define MBEDTLS_ASN1_SEQUENCE 0x10
#define MBEDTLS_ASN1_SET 0x11
@ -254,13 +255,32 @@ int mbedtls_asn1_get_bool( unsigned char **p,
* a valid ASN.1 INTEGER.
* \return #MBEDTLS_ERR_ASN1_INVALID_LENGTH if the parsed value does
* not fit in an \c int.
* \return An ASN.1 error code if the input does not start with
* a valid ASN.1 INTEGER.
*/
int mbedtls_asn1_get_int( unsigned char **p,
const unsigned char *end,
int *val );
/**
* \brief Retrieve an enumerated ASN.1 tag and its value.
* Updates the pointer to immediately behind the full tag.
*
* \param p On entry, \c *p points to the start of the ASN.1 element.
* On successful completion, \c *p points to the first byte
* beyond the ASN.1 element.
* On error, the value of \c *p is undefined.
* \param end End of data.
* \param val On success, the parsed value.
*
* \return 0 if successful.
* \return An ASN.1 error code if the input does not start with
* a valid ASN.1 ENUMERATED.
* \return #MBEDTLS_ERR_ASN1_INVALID_LENGTH if the parsed value does
* not fit in an \c int.
*/
int mbedtls_asn1_get_enum( unsigned char **p,
const unsigned char *end,
int *val );
/**
* \brief Retrieve a bitstring ASN.1 tag and its value.
* Updates the pointer to immediately behind the full tag.
@ -367,8 +387,6 @@ int mbedtls_asn1_get_sequence_of( unsigned char **p,
* \return #MBEDTLS_ERR_ASN1_INVALID_LENGTH if the parsed value does
* not fit in an \c int.
* \return An MPI error code if the parsed value is too large.
* \return An ASN.1 error code if the input does not start with
* a valid ASN.1 INTEGER.
*/
int mbedtls_asn1_get_mpi( unsigned char **p,
const unsigned char *end,