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SE key registration: call p_validate_slot_number

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When registering a key in a secure element, if the driver has a
p_validate_slot_number method, call it.
This commit is contained in:
Gilles Peskine
2019-08-05 16:46:18 +02:00
parent d772958ffc
commit a5f8749812
2 changed files with 36 additions and 1 deletions
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22
include/psa/crypto_se_driver.h
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@ -818,7 +818,27 @@ typedef enum
PSA_KEY_CREATION_GENERATE, /**< During psa_generate_key() */
PSA_KEY_CREATION_DERIVE, /**< During psa_key_derivation_output_key() */
PSA_KEY_CREATION_COPY, /**< During psa_copy_key() */
PSA_KEY_CREATION_REGISTER, /*TEMPORARY*/
#ifndef __DOXYGEN_ONLY__
/** A key is being registered with mbedtls_psa_register_se_key().
*
* The core only passes this value to
* psa_drv_se_key_management_t::p_validate_slot_number, not to
* psa_drv_se_key_management_t::p_allocate. The call to
* `p_validate_slot_number` is not followed by any other call to the
* driver: the key is considered successfully registered if the call to
* `p_validate_slot_number` succeeds, or if `p_validate_slot_number` is
* null.
*
* With this creation method, the driver must return #PSA_SUCCESS if
* the given attributes are compatible with the existing key in the slot,
* and #PSA_ERROR_DOES_NOT_EXIST if the driver can determine that there
* is no key with the specified slot number.
*
* This is an Mbed Crypto extension.
*/
PSA_KEY_CREATION_REGISTER,
#endif
} psa_key_creation_method_t;
/** \brief A function that allocates a slot for a key.