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| |
| |
| /*! |
| @file |
| @brief This file contains all of the enums and definitions that are used for the |
| CRYS POLY APIs, as well as the APIs themselves. |
| @defgroup crys_poly CryptoCell POLY APIs |
| @{ |
| @ingroup cryptocell_api |
| |
| */ |
| #ifndef CRYS_POLY_H |
| #define CRYS_POLY_H |
| |
| |
| #include "ssi_pal_types.h" |
| #include "crys_error.h" |
| |
| |
| #ifdef __cplusplus |
| extern "C" |
| { |
| #endif |
| |
| /************************ Defines ******************************/ |
| /*! POLY KEY size in words. */ |
| #define CRYS_POLY_KEY_SIZE_IN_WORDS 8 |
| /*! POLY KEY size in bytes. */ |
| #define CRYS_POLY_KEY_SIZE_IN_BYTES (CRYS_POLY_KEY_SIZE_IN_WORDS*SASI_32BIT_WORD_SIZE) |
| |
| /*! POLY MAC size in words. */ |
| #define CRYS_POLY_MAC_SIZE_IN_WORDS 4 |
| /*! POLY MAC size in bytes. */ |
| #define CRYS_POLY_MAC_SIZE_IN_BYTES (CRYS_POLY_MAC_SIZE_IN_WORDS*SASI_32BIT_WORD_SIZE) |
| |
| /************************ Typedefs ****************************/ |
| |
| /*! CHACHA MAC buffer definition. */ |
| typedef uint32_t CRYS_POLY_Mac_t[CRYS_POLY_MAC_SIZE_IN_WORDS]; |
| |
| /*! CHACHA key buffer definition. */ |
| typedef uint32_t CRYS_POLY_Key_t[CRYS_POLY_KEY_SIZE_IN_WORDS]; |
| |
| /************************ Public Functions **********************/ |
| |
| /****************************************************************************************************/ |
| /*! |
| @brief This function is used to perform the POLY MAC Calculation. |
| |
| @return CRYS_OK on success. |
| @return A non-zero value on failure as defined crys_poly_error.h. |
| */ |
| CIMPORT_C CRYSError_t CRYS_POLY( |
| CRYS_POLY_Key_t pKey, /*!< [in] A pointer to the user's key buffer. */ |
| uint8_t *pDataIn, /*!< [in] A pointer to the buffer of the input data to the CHACHA. |
| must not be null. */ |
| size_t dataInSize, /*!< [in] The size of the input data. must not be 0. */ |
| CRYS_POLY_Mac_t macRes /*!< [in/out] Pointer to the MAC result buffer.*/ |
| ); |
| |
| |
| |
| #ifdef __cplusplus |
| } |
| #endif |
| /** |
| @} |
| */ |
| #endif /* #ifndef CRYS_POLY_H */ |
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