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Documentation clarifications

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Clarify or add the documentation of some functions and constants.

Add a note about what the __DOXYGEN_ONLY__ section is for.
This commit is contained in:
Gilles Peskine 2018-03-07 16:40:18 +01:00 committed by itayzafrir
parent 2905a7adcc
commit f5b9fa13e0
1 changed files with 21 additions and 2 deletions
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23
include/psa/crypto.h
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@ -11,6 +11,11 @@
#include <stddef.h> #include <stddef.h>
#ifdef __DOXYGEN_ONLY__ #ifdef __DOXYGEN_ONLY__
/* This __DOXYGEN_ONLY__ block contains mock definitions for things that
* must be defined in the crypto_platform.h header. These mock definitions
* are present in this file as a convenience to generate pretty-printed
* documentation that includes those definitions. */
/** \defgroup platform Implementation-specific definitions /** \defgroup platform Implementation-specific definitions
* @{ * @{
*/ */
@ -30,7 +35,7 @@
typedef _unsigned_integral_type_ psa_key_slot_t; typedef _unsigned_integral_type_ psa_key_slot_t;
/**@}*/ /**@}*/
#endif #endif /* __DOXYGEN_ONLY__ */
#ifdef __cplusplus #ifdef __cplusplus
extern "C" { extern "C" {
@ -120,7 +125,19 @@ psa_status_t psa_crypto_init(void);
*/ */
typedef uint32_t psa_key_type_t; typedef uint32_t psa_key_type_t;
/** An invalid key type value.
*
* Zero is not the encoding of any key type.
*/
#define PSA_KEY_TYPE_NONE ((psa_key_type_t)0x00000000) #define PSA_KEY_TYPE_NONE ((psa_key_type_t)0x00000000)
/** Vendor-defined flag
*
* Key types defined by this standard will never have the
* #PSA_KEY_TYPE_VENDOR_FLAG bit set. Vendors who define additional key types
* must use an encoding with the #PSA_KEY_TYPE_VENDOR_FLAG bit set and should
* respect the bitwise structure used by standard encodings whenever practical.
*/
#define PSA_KEY_TYPE_VENDOR_FLAG ((psa_key_type_t)0x80000000) #define PSA_KEY_TYPE_VENDOR_FLAG ((psa_key_type_t)0x80000000)
#define PSA_KEY_TYPE_CATEGORY_MASK ((psa_key_type_t)0x7e000000) #define PSA_KEY_TYPE_CATEGORY_MASK ((psa_key_type_t)0x7e000000)
@ -142,6 +159,7 @@ typedef uint32_t psa_key_type_t;
#define PSA_KEY_TYPE_ECC_BASE ((psa_key_type_t)0x06030000) #define PSA_KEY_TYPE_ECC_BASE ((psa_key_type_t)0x06030000)
#define PSA_KEY_TYPE_ECC_CURVE_MASK ((psa_key_type_t)0x0000ffff) #define PSA_KEY_TYPE_ECC_CURVE_MASK ((psa_key_type_t)0x0000ffff)
/** Whether a key type is vendor-defined. */
#define PSA_KEY_TYPE_IS_VENDOR_DEFINED(type) \ #define PSA_KEY_TYPE_IS_VENDOR_DEFINED(type) \
(((type) & PSA_KEY_TYPE_VENDOR_FLAG) != 0) (((type) & PSA_KEY_TYPE_VENDOR_FLAG) != 0)
#define PSA_KEY_TYPE_IS_RAW_BYTES(type) \ #define PSA_KEY_TYPE_IS_RAW_BYTES(type) \
@ -290,7 +308,8 @@ typedef uint32_t psa_algorithm_t;
/** /**
* \brief Import a key in binary format. * \brief Import a key in binary format.
* *
* This function supports any output from psa_export_key(). * This function supports any output from psa_export_key(). Refer to the
* documentation of psa_export_key() for the format for each key type.
* *
* \param key Slot where the key will be stored. This must be a * \param key Slot where the key will be stored. This must be a
* valid slot for a key of the chosen type. It must * valid slot for a key of the chosen type. It must