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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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15
library/pk.c
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@@ -150,11 +150,12 @@ int mbedtls_pk_setup( mbedtls_pk_context *ctx, const mbedtls_pk_info_t *info )
/*
* Initialise a PSA-wrapping context
*/
int mbedtls_pk_setup_opaque( mbedtls_pk_context *ctx, const psa_key_handle_t key )
int mbedtls_pk_setup_opaque( mbedtls_pk_context *ctx,
const psa_key_id_t key )
{
const mbedtls_pk_info_t * const info = &mbedtls_pk_opaque_info;
psa_key_attributes_t attributes = PSA_KEY_ATTRIBUTES_INIT;
psa_key_handle_t *pk_ctx;
psa_key_id_t *pk_ctx;
psa_key_type_t type;
if( ctx == NULL || ctx->pk_info != NULL )
@@ -174,7 +175,7 @@ int mbedtls_pk_setup_opaque( mbedtls_pk_context *ctx, const psa_key_handle_t key
ctx->pk_info = info;
pk_ctx = (psa_key_handle_t *) ctx->pk_ctx;
pk_ctx = (psa_key_id_t *) ctx->pk_ctx;
*pk_ctx = key;
return( 0 );
@@ -587,12 +588,12 @@ mbedtls_pk_type_t mbedtls_pk_get_type( const mbedtls_pk_context *ctx )
* Currently only works for EC private keys.
*/
int mbedtls_pk_wrap_as_opaque( mbedtls_pk_context *pk,
psa_key_handle_t *handle,
psa_key_id_t *key,
psa_algorithm_t hash_alg )
{
#if !defined(MBEDTLS_ECP_C)
((void) pk);
((void) handle);
((void) key);
((void) hash_alg);
return( MBEDTLS_ERR_PK_TYPE_MISMATCH );
#else
@@ -624,14 +625,14 @@ int mbedtls_pk_wrap_as_opaque( mbedtls_pk_context *pk,
psa_set_key_algorithm( &attributes, PSA_ALG_ECDSA(hash_alg) );
/* import private key into PSA */
if( PSA_SUCCESS != psa_import_key( &attributes, d, d_len, handle ) )
if( PSA_SUCCESS != psa_import_key( &attributes, d, d_len, key ) )
return( MBEDTLS_ERR_PK_HW_ACCEL_FAILED );
/* make PK context wrap the key slot */
mbedtls_pk_free( pk );
mbedtls_pk_init( pk );
return( mbedtls_pk_setup_opaque( pk, *handle ) );
return( mbedtls_pk_setup_opaque( pk, *key ) );
#endif /* MBEDTLS_ECP_C */
}
#endif /* MBEDTLS_USE_PSA_CRYPTO */