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Add psa_set_key_lifetime

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It is likely that most implementations won't support this function.
But in case an implementation wants to provide it, standardize its
interface.
This commit is contained in:
Gilles Peskine 2018-03-08 07:49:16 +01:00 committed by itayzafrir
parent e3f694f49a
commit d393e18f90
1 changed files with 13 additions and 0 deletions
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13
include/psa/crypto.h
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@ -537,9 +537,22 @@ typedef uint32_t psa_key_lifetime_t;
*/ */
#define PSA_KEY_LIFETIME_WRITE_ONCE ((psa_key_lifetime_t)0x7fffffff) #define PSA_KEY_LIFETIME_WRITE_ONCE ((psa_key_lifetime_t)0x7fffffff)
/** \brief Retrieve the lifetime of a key slot.
*
* The assignment of lifetimes to slots is implementation-dependent.
*/
psa_status_t psa_get_key_lifetime(psa_key_slot_t key, psa_status_t psa_get_key_lifetime(psa_key_slot_t key,
psa_key_lifetime_t *lifetime); psa_key_lifetime_t *lifetime);
/** \brief Change the lifetime of a key slot.
*
* Whether the lifetime of a key slot can be changed at all, and if so
* whether the lifetime of an occupied key slot can be chaned, is
* implementation-dependent.
*/
psa_status_t psa_set_key_lifetime(psa_key_slot_t key,
const psa_key_lifetime_t *lifetime);
/**@}*/ /**@}*/
/** \defgroup hash Message digests /** \defgroup hash Message digests