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initial key lifetime implementation and tests

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This commit is contained in:
mohammad1603
2018-03-20 22:44:08 +02:00
committed by itayzafrir
parent 47c1bc0458
commit 804cd71bf8
4 changed files with 172 additions and 4 deletions
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49
library/psa_crypto.c
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@@ -96,6 +96,7 @@ static inline int safer_memcmp( const uint8_t *a, const uint8_t *b, size_t n )
typedef struct {
psa_key_type_t type;
psa_key_lifetime_t lifetime;
union {
struct raw_data {
uint8_t *data;
@@ -362,6 +363,7 @@ psa_status_t psa_import_key(psa_key_slot_t key,
}
slot->type = type;
slot->lifetime = 0;
return( PSA_SUCCESS );
}
@@ -1260,6 +1262,53 @@ psa_status_t psa_asymmetric_sign(psa_key_slot_t key,
}
/****************************************************************/
/* Key Lifetime */
/****************************************************************/
psa_status_t psa_get_key_lifetime(psa_key_slot_t key,
psa_key_lifetime_t *lifetime)
{
key_slot_t *slot;
if( key == 0 || key > MBEDTLS_PSA_KEY_SLOT_COUNT )
return( PSA_ERROR_INVALID_ARGUMENT );
slot = &global_data.key_slots[key];
if( slot->type == PSA_KEY_TYPE_NONE )
return( PSA_ERROR_EMPTY_SLOT );
*lifetime = slot->lifetime;
return( PSA_SUCCESS );
}
psa_status_t psa_set_key_lifetime(psa_key_slot_t key,
const psa_key_lifetime_t lifetime)
{
key_slot_t *slot;
if( key == 0 || key > MBEDTLS_PSA_KEY_SLOT_COUNT )
return( PSA_ERROR_INVALID_ARGUMENT );
slot = &global_data.key_slots[key];
if( slot->type == PSA_KEY_TYPE_NONE )
return( PSA_ERROR_EMPTY_SLOT );
if( lifetime != PSA_KEY_LIFETIME_VOLATILE &&
lifetime != PSA_KEY_LIFETIME_PERSISTENT &&
lifetime != PSA_KEY_LIFETIME_WRITE_ONCE)
return( PSA_ERROR_INVALID_LIFETIME );
if ( slot->lifetime == PSA_KEY_LIFETIME_WRITE_ONCE )
return( PSA_ERROR_KEY_LIFETIME_CHANGE );
slot->lifetime = liftime;
return( PSA_SUCCESS );
}
/****************************************************************/
/* Module setup */