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Get the lifetime of a key slot

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Gilles Peskine 2018-03-03 21:31:50 +01:00 committed by itayzafrir
parent 7698bcf338
commit 609b6a5b67
1 changed files with 28 additions and 0 deletions
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28
include/psa/crypto.h
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@ -474,6 +474,34 @@ psa_status_t psa_get_key_policy(psa_key_slot_t key,
/**@}*/
/** \defgroup persistence Key lifetime
* @{
*/
/** Encoding of key lifetimes.
*/
typedef uint32_t psa_key_lifetime_t;
/** A volatile key slot retains its content as long as the application is
* running. It is guaranteed to be erased on a power reset.
*/
#define PSA_KEY_LIFETIME_VOLATILE ((psa_key_lifetime_t)0x00000000)
/** A persistent key slot retains its content as long as it is not explicitly
* destroyed.
*/
#define PSA_KEY_LIFETIME_PERSISTENT ((psa_key_lifetime_t)0x00000001)
/** A write-once key slot may not be modified once a key has been set.
* It will retain its content as long as the device remains operational.
*/
#define PSA_KEY_LIFETIME_WRITE_ONCE ((psa_key_lifetime_t)0x7fffffff)
psa_status_t psa_get_key_lifetime(psa_key_slot_t key,
psa_key_lifetime_t *lifetime);
/**@}*/
/** \defgroup hash Message digests
* @{
*/