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psa: Move from key handle to key identifier

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Move all the PSA crypto APIs using key handles
to use key identifiers but psa_key_open() and
psa_key_close(). This is done without modifying
any test as key handles and key identifiers are
now the same.

Update the library modules using PSA crypto APIs
to get rid of key handles.

Programs and unit tests are updated to not use
key handles in subsequent commits, not in this
one.

Signed-off-by: Ronald Cron <ronald.cron@arm.com>
This commit is contained in:
Ronald Cron
2020-08-04 09:51:30 +02:00
parent e4f6d5c5fe
commit cf56a0a320
20 changed files with 445 additions and 415 deletions
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10
library/pkwrite.c
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@ -198,13 +198,13 @@ int mbedtls_pk_write_pubkey( unsigned char **p, unsigned char *start,
if( mbedtls_pk_get_type( key ) == MBEDTLS_PK_OPAQUE )
{
size_t buffer_size;
psa_key_handle_t* key_slot = (psa_key_handle_t*) key->pk_ctx;
psa_key_id_t* key_id = (psa_key_id_t*) key->pk_ctx;
if ( *p < start )
return( MBEDTLS_ERR_PK_BAD_INPUT_DATA );
buffer_size = (size_t)( *p - start );
if ( psa_export_public_key( *key_slot, start, buffer_size, &len )
if ( psa_export_public_key( *key_id, start, buffer_size, &len )
!= PSA_SUCCESS )
{
return( MBEDTLS_ERR_PK_BAD_INPUT_DATA );
@ -265,12 +265,12 @@ int mbedtls_pk_write_pubkey_der( mbedtls_pk_context *key, unsigned char *buf, si
{
psa_key_attributes_t attributes = PSA_KEY_ATTRIBUTES_INIT;
psa_key_type_t key_type;
psa_key_handle_t handle;
psa_key_id_t key_id;
psa_ecc_family_t curve;
size_t bits;
handle = *((psa_key_handle_t*) key->pk_ctx );
if( PSA_SUCCESS != psa_get_key_attributes( handle, &attributes ) )
key_id = *((psa_key_id_t*) key->pk_ctx );
if( PSA_SUCCESS != psa_get_key_attributes( key_id, &attributes ) )
return( MBEDTLS_ERR_PK_HW_ACCEL_FAILED );
key_type = psa_get_key_type( &attributes );
bits = psa_get_key_bits( &attributes );