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Add mbedtls_set_key_owner_id API

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Add the mbedtls_set_key_owner_id API,
API specific to the MbedTLS PSA implementation.
The API allows to define the owner of
volatile keys.

Signed-off-by: Ronald Cron <ronald.cron@arm.com>
This commit is contained in:
Ronald Cron 2020-10-16 14:38:19 +02:00
parent 3c76a42475
commit 6b5ff53c01
2 changed files with 27 additions and 0 deletions
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19
include/psa/crypto.h
View file

@ -152,6 +152,25 @@ static psa_key_attributes_t psa_key_attributes_init(void);
static void psa_set_key_id( psa_key_attributes_t *attributes,
mbedtls_svc_key_id_t key );
#ifdef MBEDTLS_PSA_CRYPTO_KEY_ID_ENCODES_OWNER
/** Set the owner identifier of a key.
*
* When key identifiers encode key owner identifiers, psa_set_key_id() does
* not allow to define in key attributes the owner of volatile keys as
* psa_set_key_id() enforces the key to be persistent.
*
* This function allows to set in key attributes the owner identifier of a
* key. It is intended to be used for volatile keys. For persistent keys,
* it is recommended to use the PSA Cryptography API psa_set_key_id() to define
* the owner of a key.
*
* \param[out] attributes The attribute structure to write to.
* \param owner_id The key owner identifier.
*/
static void mbedtls_set_key_owner_id( psa_key_attributes_t *attributes,
mbedtls_key_owner_id_t owner_id );
#endif
/** Set the location of a persistent key.
*
* To make a key persistent, you must give it a persistent key identifier

8
include/psa/crypto_struct.h
View file

@ -385,6 +385,14 @@ static inline mbedtls_svc_key_id_t psa_get_key_id(
return( attributes->core.id );
}
#ifdef MBEDTLS_PSA_CRYPTO_KEY_ID_ENCODES_OWNER
static inline void mbedtls_set_key_owner_id( psa_key_attributes_t *attributes,
mbedtls_key_owner_id_t owner )
{
attributes->core.id.owner = owner;
}
#endif
static inline void psa_set_key_lifetime(psa_key_attributes_t *attributes,
psa_key_lifetime_t lifetime)
{