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Merge pull request #8745 from adeaarm/trail_key_id_field

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Put the id field at the end of the psa_key_attributes_s structure
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Dave Rodgman 2024-02-06 15:55:56 +00:00 committed by GitHub
commit 91d5fde944
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GPG key ID: B5690EEEBB952194
1 changed files with 23 additions and 6 deletions
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29
include/psa/crypto_struct.h
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@ -239,18 +239,28 @@ typedef struct {
psa_key_type_t MBEDTLS_PRIVATE(type);
psa_key_bits_t MBEDTLS_PRIVATE(bits);
psa_key_lifetime_t MBEDTLS_PRIVATE(lifetime);
mbedtls_svc_key_id_t MBEDTLS_PRIVATE(id);
psa_key_policy_t MBEDTLS_PRIVATE(policy);
psa_key_attributes_flag_t MBEDTLS_PRIVATE(flags);
/* This type has a different layout in the client view wrt the
* service view of the key id, i.e. in service view usually is
* expected to have MBEDTLS_PSA_CRYPTO_KEY_ID_ENCODES_OWNER defined
* thus adding an owner field to the standard psa_key_id_t. For
* implementations with client/service separation, this means the
* object will be marshalled through a transport channel and
* interpreted differently at each side of the transport. Placing
* it at the end of structures allows to interpret the structure
* at the client without reorganizing the memory layout of the
* struct
*/
mbedtls_svc_key_id_t MBEDTLS_PRIVATE(id);
} psa_core_key_attributes_t;
#define PSA_CORE_KEY_ATTRIBUTES_INIT { PSA_KEY_TYPE_NONE, 0, \
PSA_KEY_LIFETIME_VOLATILE, \
MBEDTLS_SVC_KEY_ID_INIT, \
PSA_KEY_POLICY_INIT, 0 }
PSA_KEY_POLICY_INIT, 0, \
MBEDTLS_SVC_KEY_ID_INIT }
struct psa_key_attributes_s {
psa_core_key_attributes_t MBEDTLS_PRIVATE(core);
#if defined(MBEDTLS_PSA_CRYPTO_SE_C)
psa_key_slot_number_t MBEDTLS_PRIVATE(slot_number);
#endif /* MBEDTLS_PSA_CRYPTO_SE_C */
@ -268,12 +278,19 @@ struct psa_key_attributes_s {
*/
void *MBEDTLS_PRIVATE(domain_parameters);
size_t MBEDTLS_PRIVATE(domain_parameters_size);
/* With client/service separation, struct psa_key_attributes_s is
* marshalled through a transport channel between the client and
* service side implementation of the PSA Crypto APIs, thus having
* the mbedtls_svc_key_id_t id as the last field of this structure
* allows for a more efficient marshalling/unmarshalling of parameters
*/
psa_core_key_attributes_t MBEDTLS_PRIVATE(core);
};
#if defined(MBEDTLS_PSA_CRYPTO_SE_C)
#define PSA_KEY_ATTRIBUTES_INIT { PSA_CORE_KEY_ATTRIBUTES_INIT, 0, NULL, 0 }
#define PSA_KEY_ATTRIBUTES_INIT { 0, NULL, 0, PSA_CORE_KEY_ATTRIBUTES_INIT }
#else
#define PSA_KEY_ATTRIBUTES_INIT { PSA_CORE_KEY_ATTRIBUTES_INIT, NULL, 0 }
#define PSA_KEY_ATTRIBUTES_INIT { NULL, 0, PSA_CORE_KEY_ATTRIBUTES_INIT }
#endif
static inline struct psa_key_attributes_s psa_key_attributes_init(void)