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Add psa_export_public_key_iop_setup() header/docs

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Signed-off-by: Waleed Elmelegy <waleed.elmelegy@arm.com>
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Waleed Elmelegy
2024-11-15 17:12:12 +00:00
parent 118b078df9
commit c8d50f5753
1 changed files with 77 additions and 0 deletions
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77
tf-psa-crypto/include/psa/crypto.h
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@@ -5607,6 +5607,83 @@ typedef struct psa_export_public_key_iop_s psa_export_public_key_iop_t;
*/ */
uint32_t psa_export_public_key_iop_get_num_ops(psa_export_public_key_iop_t *operation); uint32_t psa_export_public_key_iop_get_num_ops(psa_export_public_key_iop_t *operation);
/**
* \brief Start an interruptible operation to export a
* public key or the public part of a key pair in
* binary format.
*
* \see \c psa_export_public_key_iop_complete()
*
* \warning This is a beta API, and thus subject to change
* at any point. It is not bound by the usual
* interface stability promises.
*
* \note This function combined with
* \c psa_export_public_key_iop_complete() is equivalent
* to \c psa_export_public_key() but
* \c psa_export_public_key_iop_complete() can return
* early and resume according to the limit set with
* \c psa_interruptible_set_max_ops() to reduce the
* maximum time spent in a function.
*
* \note Users should call
* \c psa_export_public_key_iop_complete() repeatedly
* on the same operation object after a successful
* call to this function until
* \c psa_export_public_key_iop_complete() either returns
* #PSA_SUCCESS or an error.
* \c psa_export_public_key_iop_complete() will return
* #PSA_OPERATION_INCOMPLETE if there is more work
* to do. Alternatively users can call
* \c psa_export_public_key_iop_abort() at any point
* if they no longer want the result.
*
* \note This function clears the number of ops completed
* as part of the operation. Please ensure you copy
* this value via
* \c psa_export_public_key_iop_get_num_ops() if
* required before calling.
*
* \note If this function returns an error status, the
* operation enters an error state and must be
* aborted by calling
* \c psa_export_public_key_iop_abort().
*
* \param[in, out] operation The \c psa_export_public_key_iop_t to use.
* This must be initialized as per the
* documentation for
* \c psa_export_public_key_iop_t, and be inactive.
*
* \param[in] key Identifier of the key to export.
*
* \retval #PSA_SUCCESS
* The operation started successfully.
* Call \c psa_export_public_key_iop_complete() with the same context to
* complete the operation.
* \retval #PSA_ERROR_INVALID_HANDLE
* \c key is not a valid key identifier.
* \retval #PSA_ERROR_INVALID_ARGUMENT
* The key is neither a public key nor a key pair.
* \retval #PSA_ERROR_NOT_SUPPORTED
* The following conditions can result in this error:
* * The key's storage location does not support export of the key.
* * The implementation does not support export of keys with this key type.
* \retval #PSA_ERROR_BAD_STATE
* The following conditions can result in this error:
* * The library has not been previously initialized by
* \c psa_crypto_init().
* * The operation state is not valid: it must be inactive.
* \retval #PSA_ERROR_COMMUNICATION_FAILURE \emptydescription
* \retval #PSA_ERROR_CORRUPTION_DETECTED \emptydescription
* \retval #PSA_ERROR_STORAGE_FAILURE \emptydescription
* \retval #PSA_ERROR_DATA_CORRUPT \emptydescription
* \retval #PSA_ERROR_DATA_INVALID \emptydescription
* \retval #PSA_ERROR_INSUFFICIENT_MEMORY \emptydescription
*/
psa_status_t psa_export_public_key_iop_setup(psa_export_public_key_iop_t *operation,
psa_key_id_t key);
#ifdef __cplusplus #ifdef __cplusplus
} }
#endif #endif