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Implement, plug in and test validate_key driver entry point

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Signed-off-by: Steven Cooreman <steven.cooreman@silabs.com>
This commit is contained in:
Steven Cooreman
2020-10-13 17:43:44 +02:00
parent 398aee5742
commit 0452476eac
7 changed files with 208 additions and 4 deletions
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3
library/psa_crypto.c
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@ -977,6 +977,7 @@ psa_status_t psa_import_key_into_slot( psa_key_slot_t *slot,
size_t data_length )
{
psa_status_t status = PSA_SUCCESS;
size_t bit_size;
/* zero-length keys are never supported. */
if( data_length == 0 )
@ -984,7 +985,7 @@ psa_status_t psa_import_key_into_slot( psa_key_slot_t *slot,
if( key_type_is_raw_bytes( slot->attr.type ) )
{
size_t bit_size = PSA_BYTES_TO_BITS( data_length );
bit_size = PSA_BYTES_TO_BITS( data_length );
/* Ensure that the bytes-to-bits conversion hasn't overflown. */
if( data_length > SIZE_MAX / 8 )

28
library/psa_crypto_driver_wrappers.c
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@ -410,6 +410,34 @@ psa_status_t psa_driver_wrapper_generate_key( const psa_key_attributes_t *attrib
#endif /* PSA_CRYPTO_DRIVER_PRESENT */
}
psa_status_t psa_driver_wrapper_validate_key( const psa_key_attributes_t *attributes,
const uint8_t *data,
size_t data_length,
size_t *bits )
{
#if defined(PSA_CRYPTO_ACCELERATOR_DRIVER_PRESENT)
psa_status_t status = PSA_ERROR_CORRUPTION_DETECTED;
/* Try accelerators in turn */
#if defined(PSA_CRYPTO_DRIVER_TEST)
status = test_transparent_validate_key( attributes,
data,
data_length,
bits );
/* Declared with fallback == true */
if( status != PSA_ERROR_NOT_SUPPORTED )
return( status );
#endif /* PSA_CRYPTO_DRIVER_TEST */
return( PSA_ERROR_NOT_SUPPORTED );
#else /* PSA_CRYPTO_ACCELERATOR_DRIVER_PRESENT */
(void) attributes;
(void) data;
(void) data_length;
(void) bits;
return( PSA_ERROR_NOT_SUPPORTED );
#endif /* PSA_CRYPTO_DRIVER_PRESENT */
}
/*
* Cipher functions
*/

9
library/psa_crypto_driver_wrappers.h
View File

@ -43,9 +43,18 @@ psa_status_t psa_driver_wrapper_verify_hash( psa_key_slot_t *slot,
const uint8_t *signature,
size_t signature_length );
/*
* Key handling functions
*/
psa_status_t psa_driver_wrapper_generate_key( const psa_key_attributes_t *attributes,
psa_key_slot_t *slot );
psa_status_t psa_driver_wrapper_validate_key( const psa_key_attributes_t *attributes,
const uint8_t *data,
size_t data_length,
size_t *bits );
/*
* Cipher functions
*/