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Implement missing attributes setters and getters

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This commit is contained in:
Gilles Peskine 2019-04-18 12:53:01 +02:00
parent 4747d19d18
commit db4b3abab1
2 changed files with 34 additions and 8 deletions
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26
include/psa/crypto_struct.h
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@ -276,6 +276,26 @@ static inline struct psa_key_attributes_s psa_key_attributes_init( void )
return( v ); return( v );
} }
static inline void psa_make_key_persistent(psa_key_attributes_t *attributes,
psa_key_id_t id,
psa_key_lifetime_t lifetime)
{
attributes->id = id;
attributes->lifetime = lifetime;
}
static inline psa_key_id_t psa_get_key_id(
const psa_key_attributes_t *attributes)
{
return( attributes->id );
}
static inline psa_key_lifetime_t psa_get_key_lifetime(
const psa_key_attributes_t *attributes)
{
return( attributes->lifetime );
}
static inline void psa_set_key_usage_flags(psa_key_attributes_t *attributes, static inline void psa_set_key_usage_flags(psa_key_attributes_t *attributes,
psa_key_usage_t usage_flags) psa_key_usage_t usage_flags)
{ {
@ -312,4 +332,10 @@ static inline psa_key_type_t psa_get_key_type(
return( attributes->type ); return( attributes->type );
} }
static inline size_t psa_get_key_bits(
const psa_key_attributes_t *attributes)
{
return( attributes->bits );
}
#endif /* PSA_CRYPTO_STRUCT_H */ #endif /* PSA_CRYPTO_STRUCT_H */

16
library/psa_crypto.c
View file

@ -965,7 +965,7 @@ psa_status_t psa_destroy_key( psa_key_handle_t handle )
} }
/* Return the size of the key in the given slot, in bits. */ /* Return the size of the key in the given slot, in bits. */
static size_t psa_get_key_bits( const psa_key_slot_t *slot ) static size_t psa_get_key_slot_bits( const psa_key_slot_t *slot )
{ {
if( key_type_is_raw_bytes( slot->type ) ) if( key_type_is_raw_bytes( slot->type ) )
return( slot->data.raw.bytes * 8 ); return( slot->data.raw.bytes * 8 );
@ -1001,7 +1001,7 @@ psa_status_t psa_get_key_information( psa_key_handle_t handle,
if( type != NULL ) if( type != NULL )
*type = slot->type; *type = slot->type;
if( bits != NULL ) if( bits != NULL )
*bits = psa_get_key_bits( slot ); *bits = psa_get_key_slot_bits( slot );
return( PSA_SUCCESS ); return( PSA_SUCCESS );
} }
@ -1050,7 +1050,7 @@ static psa_status_t psa_internal_export_key( const psa_key_slot_t *slot,
{ {
psa_status_t status; psa_status_t status;
size_t bytes = PSA_BITS_TO_BYTES( psa_get_key_bits( slot ) ); size_t bytes = PSA_BITS_TO_BYTES( psa_get_key_slot_bits( slot ) );
if( bytes > data_size ) if( bytes > data_size )
return( PSA_ERROR_BUFFER_TOO_SMALL ); return( PSA_ERROR_BUFFER_TOO_SMALL );
status = mbedtls_to_psa_error( status = mbedtls_to_psa_error(
@ -1285,7 +1285,7 @@ static psa_status_t psa_finish_key_creation( psa_key_slot_t *slot )
size_t length; size_t length;
buffer_size = PSA_KEY_EXPORT_MAX_SIZE( slot->type, buffer_size = PSA_KEY_EXPORT_MAX_SIZE( slot->type,
psa_get_key_bits( slot ) ); psa_get_key_slot_bits( slot ) );
buffer = mbedtls_calloc( 1, buffer_size ); buffer = mbedtls_calloc( 1, buffer_size );
if( buffer == NULL && buffer_size != 0 ) if( buffer == NULL && buffer_size != 0 )
return( PSA_ERROR_INSUFFICIENT_MEMORY ); return( PSA_ERROR_INSUFFICIENT_MEMORY );
@ -1355,7 +1355,7 @@ static psa_status_t psa_copy_key_material( const psa_key_slot_t *source,
size_t length; size_t length;
buffer_size = PSA_KEY_EXPORT_MAX_SIZE( source->type, buffer_size = PSA_KEY_EXPORT_MAX_SIZE( source->type,
psa_get_key_bits( source ) ); psa_get_key_slot_bits( source ) );
buffer = mbedtls_calloc( 1, buffer_size ); buffer = mbedtls_calloc( 1, buffer_size );
if( buffer == NULL && buffer_size != 0 ) if( buffer == NULL && buffer_size != 0 )
return( PSA_ERROR_INSUFFICIENT_MEMORY ); return( PSA_ERROR_INSUFFICIENT_MEMORY );
@ -2149,7 +2149,7 @@ static psa_status_t psa_mac_setup( psa_mac_operation_t *operation,
status = psa_get_key_from_slot( handle, &slot, usage, alg ); status = psa_get_key_from_slot( handle, &slot, usage, alg );
if( status != PSA_SUCCESS ) if( status != PSA_SUCCESS )
goto exit; goto exit;
key_bits = psa_get_key_bits( slot ); key_bits = psa_get_key_slot_bits( slot );
#if defined(MBEDTLS_CMAC_C) #if defined(MBEDTLS_CMAC_C)
if( full_length_alg == PSA_ALG_CMAC ) if( full_length_alg == PSA_ALG_CMAC )
@ -3060,7 +3060,7 @@ static psa_status_t psa_cipher_setup( psa_cipher_operation_t *operation,
status = psa_get_key_from_slot( handle, &slot, usage, alg); status = psa_get_key_from_slot( handle, &slot, usage, alg);
if( status != PSA_SUCCESS ) if( status != PSA_SUCCESS )
goto exit; goto exit;
key_bits = psa_get_key_bits( slot ); key_bits = psa_get_key_slot_bits( slot );
cipher_info = mbedtls_cipher_info_from_psa( alg, slot->type, key_bits, NULL ); cipher_info = mbedtls_cipher_info_from_psa( alg, slot->type, key_bits, NULL );
if( cipher_info == NULL ) if( cipher_info == NULL )
@ -3470,7 +3470,7 @@ static psa_status_t psa_aead_setup( aead_operation_t *operation,
if( status != PSA_SUCCESS ) if( status != PSA_SUCCESS )
return( status ); return( status );
key_bits = psa_get_key_bits( operation->slot ); key_bits = psa_get_key_slot_bits( operation->slot );
operation->cipher_info = operation->cipher_info =
mbedtls_cipher_info_from_psa( alg, operation->slot->type, key_bits, mbedtls_cipher_info_from_psa( alg, operation->slot->type, key_bits,