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Define handles as key identifiers

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Define psa_key_handle_t to be equal to
mbedtls_svc_key_id_t. Make the handle of a persistent
key be equal to its key identifier. For volatile keys,
make the key handle equal to the volatile key
identifier of the created volatile key.

The unit tests are modified just to make them compile
not to make them run successfully. They are fixed in
the subsequent commits.

Signed-off-by: Ronald Cron <ronald.cron@arm.com>
This commit is contained in:
Ronald Cron
2020-07-31 11:26:37 +02:00
parent 47a85614ed
commit c4d1b514ab
10 changed files with 209 additions and 103 deletions
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28
include/psa/crypto_platform.h
View File

@ -49,34 +49,6 @@
#define inline __inline
#endif
/* Integral type representing a key handle. */
typedef uint16_t psa_key_handle_t;
#define PSA_KEY_HANDLE_INIT ( (psa_key_handle_t)0 )
/** Check whether a handle is null.
*
* \param handle Key handle.
*
* \return Non-zero if the key handle is null, zero otherwise.
*/
static inline int psa_key_handle_is_null( psa_key_handle_t handle )
{
return( handle == 0 );
}
/** Compare two handles.
*
* \param handle1 First handle.
* \param handle2 Second handle.
*
* \return Non-zero if the two handles are equal, zero otherwise.
*/
static inline int psa_key_handle_equal( psa_key_handle_t handle1,
psa_key_handle_t handle2 )
{
return( handle1 == handle2 );
}
#if defined(MBEDTLS_PSA_CRYPTO_KEY_ID_ENCODES_OWNER)
/* Building for the PSA Crypto service on a PSA platform, a key owner is a PSA

6
include/psa/crypto_types.h
View File

@ -247,6 +247,12 @@ typedef struct
#endif /* !MBEDTLS_PSA_CRYPTO_KEY_ID_ENCODES_OWNER */
/*
* To support temporary both openless APIs and psa_open_key(), define
* psa_key_handle_t to be equal to mbedtls_svc_key_id_t.
*/
typedef mbedtls_svc_key_id_t psa_key_handle_t;
/**@}*/
/** \defgroup policy Key policies

48
include/psa/crypto_values.h
View File

@ -1700,6 +1700,17 @@ static inline int mbedtls_svc_key_id_equal( mbedtls_svc_key_id_t id1,
return( id1 == id2 );
}
/** Check whether a key identifier is null.
*
* \param key Key identifier.
*
* \return Non-zero if the key identifier is null, zero otherwise.
*/
static inline int mbedtls_svc_key_id_is_null( mbedtls_svc_key_id_t key )
{
return( key == 0 );
}
#else /* MBEDTLS_PSA_CRYPTO_KEY_ID_ENCODES_OWNER */
#define MBEDTLS_SVC_KEY_ID_INIT ( (mbedtls_svc_key_id_t){ 0, 0 } )
@ -1732,8 +1743,45 @@ static inline int mbedtls_svc_key_id_equal( mbedtls_svc_key_id_t id1,
mbedtls_key_owner_id_equal( id1.owner, id2.owner ) );
}
/** Check whether a key identifier is null.
*
* \param key Key identifier.
*
* \return Non-zero if the key identifier is null, zero otherwise.
*/
static inline int mbedtls_svc_key_id_is_null( mbedtls_svc_key_id_t key )
{
return( ( key.key_id == 0 ) && ( key.owner == 0 ) );
}
#endif /* !MBEDTLS_PSA_CRYPTO_KEY_ID_ENCODES_OWNER */
#define PSA_KEY_HANDLE_INIT MBEDTLS_SVC_KEY_ID_INIT
/** Compare two handles.
*
* \param handle1 First handle.
* \param handle2 Second handle.
*
* \return Non-zero if the two handles are equal, zero otherwise.
*/
static inline int psa_key_handle_equal( psa_key_handle_t handle1,
psa_key_handle_t handle2 )
{
return( mbedtls_svc_key_id_equal( handle1, handle2 ) );
}
/** Check wether an handle is null.
*
* \param handle Handle
*
* \return Non-zero if the handle is null, zero otherwise.
*/
static inline int psa_key_handle_is_null( psa_key_handle_t handle )
{
return( mbedtls_svc_key_id_is_null( handle ) );
}
/**@}*/
/** \defgroup policy Key policies