mirror of
https://github.com/yuzu-emu/mbedtls.git
synced 2025-10-22 08:27:09 +00:00
psa: Move get_key_slot functions
Move the psa_get_key_slot and related static functions as they will need to call psa_import_key_into_slot() for persistent keys.
This commit is contained in:
Darryl Green
parent
940d72c3e8
commit
06fd18de37
|
|
@ -361,76 +361,6 @@ static psa_status_t mbedtls_to_psa_error( int ret )
|
|||
}
|
||||
}
|
||||
|
||||
/* Retrieve a key slot, occupied or not. */
|
||||
static psa_status_t psa_get_key_slot( psa_key_slot_t key,
|
||||
key_slot_t **p_slot )
|
||||
{
|
||||
GUARD_MODULE_INITIALIZED;
|
||||
|
||||
/* 0 is not a valid slot number under any circumstance. This
|
||||
* implementation provides slots number 1 to N where N is the
|
||||
* number of available slots. */
|
||||
if( key == 0 || key > ARRAY_LENGTH( global_data.key_slots ) )
|
||||
return( PSA_ERROR_INVALID_ARGUMENT );
|
||||
|
||||
*p_slot = &global_data.key_slots[key - 1];
|
||||
return( PSA_SUCCESS );
|
||||
}
|
||||
|
||||
/* Retrieve an empty key slot (slot with no key data, but possibly
|
||||
* with some metadata such as a policy). */
|
||||
static psa_status_t psa_get_empty_key_slot( psa_key_slot_t key,
|
||||
key_slot_t **p_slot )
|
||||
{
|
||||
psa_status_t status;
|
||||
key_slot_t *slot = NULL;
|
||||
|
||||
*p_slot = NULL;
|
||||
|
||||
status = psa_get_key_slot( key, &slot );
|
||||
if( status != PSA_SUCCESS )
|
||||
return( status );
|
||||
|
||||
if( slot->type != PSA_KEY_TYPE_NONE )
|
||||
return( PSA_ERROR_OCCUPIED_SLOT );
|
||||
|
||||
*p_slot = slot;
|
||||
return( status );
|
||||
}
|
||||
|
||||
/** Retrieve a slot which must contain a key. The key must have allow all the
|
||||
* usage flags set in \p usage. If \p alg is nonzero, the key must allow
|
||||
* operations with this algorithm. */
|
||||
static psa_status_t psa_get_key_from_slot( psa_key_slot_t key,
|
||||
key_slot_t **p_slot,
|
||||
psa_key_usage_t usage,
|
||||
psa_algorithm_t alg )
|
||||
{
|
||||
psa_status_t status;
|
||||
key_slot_t *slot = NULL;
|
||||
|
||||
*p_slot = NULL;
|
||||
|
||||
status = psa_get_key_slot( key, &slot );
|
||||
if( status != PSA_SUCCESS )
|
||||
return( status );
|
||||
if( slot->type == PSA_KEY_TYPE_NONE )
|
||||
return( PSA_ERROR_EMPTY_SLOT );
|
||||
|
||||
/* Enforce that usage policy for the key slot contains all the flags
|
||||
* required by the usage parameter. There is one exception: public
|
||||
* keys can always be exported, so we treat public key objects as
|
||||
* if they had the export flag. */
|
||||
if( PSA_KEY_TYPE_IS_PUBLIC_KEY( slot->type ) )
|
||||
usage &= ~PSA_KEY_USAGE_EXPORT;
|
||||
if( ( slot->policy.usage & usage ) != usage )
|
||||
return( PSA_ERROR_NOT_PERMITTED );
|
||||
if( alg != 0 && ( alg != slot->policy.alg ) )
|
||||
return( PSA_ERROR_NOT_PERMITTED );
|
||||
|
||||
*p_slot = slot;
|
||||
return( PSA_SUCCESS );
|
||||
}
|
||||
|
||||
|
||||
|
||||
|
|
@ -772,6 +702,76 @@ static psa_status_t psa_import_key_into_slot( key_slot_t *slot,
|
|||
return( PSA_SUCCESS );
|
||||
}
|
||||
|
||||
/* Retrieve a key slot, occupied or not. */
|
||||
static psa_status_t psa_get_key_slot( psa_key_slot_t key,
|
||||
key_slot_t **p_slot )
|
||||
{
|
||||
GUARD_MODULE_INITIALIZED;
|
||||
|
||||
/* 0 is not a valid slot number under any circumstance. This
|
||||
* implementation provides slots number 1 to N where N is the
|
||||
* number of available slots. */
|
||||
if( key == 0 || key > ARRAY_LENGTH( global_data.key_slots ) )
|
||||
return( PSA_ERROR_INVALID_ARGUMENT );
|
||||
|
||||
*p_slot = &global_data.key_slots[key - 1];
|
||||
return( PSA_SUCCESS );
|
||||
}
|
||||
|
||||
/* Retrieve an empty key slot (slot with no key data, but possibly
|
||||
* with some metadata such as a policy). */
|
||||
static psa_status_t psa_get_empty_key_slot( psa_key_slot_t key,
|
||||
key_slot_t **p_slot )
|
||||
{
|
||||
psa_status_t status;
|
||||
key_slot_t *slot = NULL;
|
||||
|
||||
*p_slot = NULL;
|
||||
|
||||
status = psa_get_key_slot( key, &slot );
|
||||
if( status != PSA_SUCCESS )
|
||||
return( status );
|
||||
|
||||
if( slot->type != PSA_KEY_TYPE_NONE )
|
||||
return( PSA_ERROR_OCCUPIED_SLOT );
|
||||
|
||||
*p_slot = slot;
|
||||
return( status );
|
||||
}
|
||||
|
||||
/** Retrieve a slot which must contain a key. The key must have allow all the
|
||||
* usage flags set in \p usage. If \p alg is nonzero, the key must allow
|
||||
* operations with this algorithm. */
|
||||
static psa_status_t psa_get_key_from_slot( psa_key_slot_t key,
|
||||
key_slot_t **p_slot,
|
||||
psa_key_usage_t usage,
|
||||
psa_algorithm_t alg )
|
||||
{
|
||||
psa_status_t status;
|
||||
key_slot_t *slot = NULL;
|
||||
|
||||
*p_slot = NULL;
|
||||
|
||||
status = psa_get_key_slot( key, &slot );
|
||||
if( status != PSA_SUCCESS )
|
||||
return( status );
|
||||
if( slot->type == PSA_KEY_TYPE_NONE )
|
||||
return( PSA_ERROR_EMPTY_SLOT );
|
||||
|
||||
/* Enforce that usage policy for the key slot contains all the flags
|
||||
* required by the usage parameter. There is one exception: public
|
||||
* keys can always be exported, so we treat public key objects as
|
||||
* if they had the export flag. */
|
||||
if( PSA_KEY_TYPE_IS_PUBLIC_KEY( slot->type ) )
|
||||
usage &= ~PSA_KEY_USAGE_EXPORT;
|
||||
if( ( slot->policy.usage & usage ) != usage )
|
||||
return( PSA_ERROR_NOT_PERMITTED );
|
||||
if( alg != 0 && ( alg != slot->policy.alg ) )
|
||||
return( PSA_ERROR_NOT_PERMITTED );
|
||||
|
||||
*p_slot = slot;
|
||||
return( PSA_SUCCESS );
|
||||
}
|
||||
|
||||
psa_status_t psa_import_key( psa_key_slot_t key,
|
||||
psa_key_type_t type,
|
||||
|
|
|
|||
Loading…
Reference in a new issue