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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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11
include/mbedtls/pk.h
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@@ -331,12 +331,13 @@ int mbedtls_pk_setup( mbedtls_pk_context *ctx, const mbedtls_pk_info_t *info );
*
* \return \c 0 on success.
* \return #MBEDTLS_ERR_PK_BAD_INPUT_DATA on invalid input
* (context already used, invalid key handle).
* (context already used, invalid key identifier).
* \return #MBEDTLS_ERR_PK_FEATURE_UNAVAILABLE if the key is not an
* ECC key pair.
* \return #MBEDTLS_ERR_PK_ALLOC_FAILED on allocation failure.
*/
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 );
#endif /* MBEDTLS_USE_PSA_CRYPTO */
#if defined(MBEDTLS_PK_RSA_ALT_SUPPORT)
@@ -858,9 +859,9 @@ int mbedtls_pk_load_file( const char *path, unsigned char **buf, size_t *n );
*
* \param pk Input: the EC key to import to a PSA key.
* Output: a PK context wrapping that PSA key.
* \param handle Output: a PSA key handle.
* \param key Output: a PSA key identifier.
* It's the caller's responsibility to call
* psa_destroy_key() on that handle after calling
* psa_destroy_key() on that key identifier after calling
* mbedtls_pk_free() on the PK context.
* \param hash_alg The hash algorithm to allow for use with that key.
*
@@ -868,7 +869,7 @@ int mbedtls_pk_load_file( const char *path, unsigned char **buf, size_t *n );
* \return An Mbed TLS error code otherwise.
*/
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 );
#endif /* MBEDTLS_USE_PSA_CRYPTO */