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Removed key deriv. context struct, replaced with void* and a context_size

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This commit is contained in:
Derek Miller 2019-02-15 17:12:26 -06:00
parent 0b3098a486
commit 6211726c61
1 changed files with 10 additions and 8 deletions
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18
include/psa/crypto_se_driver.h
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@ -874,7 +874,6 @@ typedef struct {
* The contents of this structure are implementation dependent and are
* therefore not described here
*/
typedef struct psa_drv_key_derivation_context_s psa_drv_key_derivation_context_t;
/** \brief Set up a key derivation operation by specifying the algorithm and
* the source key sot
@ -887,7 +886,7 @@ typedef struct psa_drv_key_derivation_context_s psa_drv_key_derivation_context_t
*
* \retval PSA_SUCCESS
*/
typedef psa_status_t (*psa_drv_se_key_derivation_setup_t)(psa_drv_key_derivation_context_t *p_context,
typedef psa_status_t (*psa_drv_se_key_derivation_setup_t)(void *p_context,
psa_algorithm_t kdf_alg,
psa_key_slot_number_t source_key);
@ -906,7 +905,7 @@ typedef psa_status_t (*psa_drv_se_key_derivation_setup_t)(psa_drv_key_derivation
*
* \retval PSA_SUCCESS
*/
typedef psa_status_t (*psa_drv_se_key_derivation_collateral_t)(psa_drv_key_derivation_context_t *p_context,
typedef psa_status_t (*psa_drv_se_key_derivation_collateral_t)(void *p_context,
uint32_t collateral_id,
const uint8_t *p_collateral,
size_t collateral_size);
@ -920,8 +919,8 @@ typedef psa_status_t (*psa_drv_se_key_derivation_collateral_t)(psa_drv_key_deriv
*
* \retval PSA_SUCCESS
*/
typedef psa_status_t (*psa_drv_se_key_derivation_derive_t)(psa_drv_key_derivation_context_t *p_context,
psa_key_slot_number_t dest_key);
typedef psa_status_t (*psa_drv_se_key_derivation_derive_t)(void *p_context,
psa_key_slot_number_t dest_key);
/** \brief Perform the final step of a key agreement and place the generated
* key material in a buffer
@ -934,9 +933,10 @@ typedef psa_status_t (*psa_drv_se_key_derivation_derive_t)(psa_drv_key_derivatio
*
* \retval PSA_SUCCESS
*/
typedef psa_status_t (*psa_drv_se_key_derivation_export_t)(uint8_t *p_output,
size_t output_size,
size_t *p_output_length);
typedef psa_status_t (*psa_drv_se_key_derivation_export_t)(void *p_context,
uint8_t *p_output,
size_t output_size,
size_t *p_output_length);
/**
* \brief A struct containing all of the function pointers needed to for key
@ -948,6 +948,8 @@ typedef psa_status_t (*psa_drv_se_key_derivation_export_t)(uint8_t *p_output,
* If one of the functions is not implemented, it should be set to NULL.
*/
typedef struct {
/** The driver-specific size of the key derivation context */
size_t context_size;
/** Function that performs the key derivation setup */
psa_drv_se_key_derivation_setup_t p_setup;
/** Function that sets the key derivation collateral */