#define SX_X448_PT_SZ  56

Size in bytes of a point in X448 operations

struct sx_x25519_pt {
    /** Bytes array representing encoded point for X25519 **/
    char bytes[SX_X25519_PT_SZ];
};

An encoded X25519 point

struct sx_x448_pt {
    /** Bytes array representing scalar for ED448 **/
    char bytes[SX_ED448_SZ];
};

A X448 point

typedef int (*FUNC_SX_X25519_PTMULT)(struct sx_pk_cnx *cnx, const struct sx_x25519_pt *k, const struct sx_x25519_pt *pt, struct sx_x25519_pt *r);
#define SX_X25519_PTMULT         ((FUNC_SX_X25519_PTMULT)(*(uint32_t *)(API_TABLE_BASE_ADDRESS + ATO_SX_X25519_PTMULT)))

Montgomery point multiplication (X25519) Compute r = ptk The operands must be decoded and clamped as defined in specifications for X25519 and X448.

SX_ASYNC_X25519_PTMULT_GO() and SX_ASYNC_X25519_PTMULT_END() for an asynchronous version

SX_OK SX_ERR_INVALID_PARAM SX_ERR_UNKNOWN_ERROR SX_ERR_BUSY SX_ERR_NOT_IMPLEMENTED SX_ERR_OPERAND_TOO_LARGE SX_ERR_PLATFORM_ERROR SX_ERR_EXPIRED

typedef struct sx_pk_dreq (*FUNC_SX_ASYNC_X25519_PTMULT_GO)(struct sx_pk_cnx *cnx, const struct sx_x25519_pt *k, const struct sx_x25519_pt *pt);
#define SX_ASYNC_X25519_PTMULT_GO         ((FUNC_SX_ASYNC_X25519_PTMULT_GO)(*(uint32_t *)(API_TABLE_BASE_ADDRESS + ATO_SX_ASYNC_X25519_PTMULT_GO)))

Asynchronous Montgomery point multiplication (X25519) Start a montgomery point multiplication on the accelerator and return immediately. When the operation finishes on the accelerator, call SX_ASYNC_X25519_PTMULT_END()

SX_ASYNC_X25519_PTMULT_END() and SX_X25519_PTMULT()

Acquired acceleration request for this operation

typedef void (*FUNC_SX_ASYNC_X25519_PTMULT_END)(sx_pk_accel *req, struct sx_x25519_pt *r);
#define SX_ASYNC_X25519_PTMULT_END         ((FUNC_SX_ASYNC_X25519_PTMULT_END)(*(uint32_t *)(API_TABLE_BASE_ADDRESS + ATO_SX_ASYNC_X25519_PTMULT_END)))

Collect the result of asynchronous Montgomery point multiplication (X25519) Get the output operand of the Montgomery point multiplication and release accelerator. The operation on the accelerator must be finished before calling this function.

SX_ASYNC_X25519_PTMULT_GO() and sx_async_x25519_ptmult()

Acquired acceleration request for this operation

typedef int (*FUNC_SX_X448_PTMULT)(struct sx_pk_cnx *cnx, const struct sx_x448_pt *k, const struct sx_x448_pt *pt, struct sx_x448_pt *r);
#define SX_X448_PTMULT         ((FUNC_SX_X448_PTMULT)(*(uint32_t *)(API_TABLE_BASE_ADDRESS + ATO_SX_X448_PTMULT)))

Montgomery point multiplication (X448) Compute r = ptk The operands must be decoded and clamped as defined in specifications for X25519 and X448.

SX_ASYNC_X448_PTMULT_GO() and SX_ASYNC_X448_PTMULT_END() for an asynchronous version

SX_OK SX_ERR_INVALID_PARAM SX_ERR_UNKNOWN_ERROR SX_ERR_BUSY SX_ERR_NOT_IMPLEMENTED SX_ERR_OPERAND_TOO_LARGE SX_ERR_PLATFORM_ERROR SX_ERR_EXPIRED

typedef struct sx_pk_dreq (*FUNC_SX_ASYNC_X448_PTMULT_GO)(struct sx_pk_cnx *cnx, const struct sx_x448_pt *k, const struct sx_x448_pt *pt);
#define SX_ASYNC_X448_PTMULT_GO         ((FUNC_SX_ASYNC_X448_PTMULT_GO)(*(uint32_t *)(API_TABLE_BASE_ADDRESS + ATO_SX_ASYNC_X448_PTMULT_GO)))

Asynchronous Montgomery point multiplication (X448) Start a montgomery point multiplication on the accelerator and return immediately. When the operation finishes on the accelerator, call SX_ASYNC_X448_PTMULT_END()

SX_ASYNC_X448_PTMULT_END() and SX_X448_PTMULT()

Acquired acceleration request for this operation

typedef void (*FUNC_SX_ASYNC_X448_PTMULT_END)(sx_pk_accel *req, struct sx_x448_pt *r);
#define SX_ASYNC_X448_PTMULT_END         ((FUNC_SX_ASYNC_X448_PTMULT_END)(*(uint32_t *)(API_TABLE_BASE_ADDRESS + ATO_SX_ASYNC_X448_PTMULT_END)))

Collect the result of asynchronous Montgomery point multiplication (X448) Get the output operand of the Montgomery point multiplication and release accelerator. The operation on the accelerator must be finished before calling this function.

SX_ASYNC_X448_PTMULT_GO() and sx_async_x448_ptmult()

Acquired acceleration request for this operation