ecc_ec_fp.h

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#ifndef ECC_EC_FP_H
#define ECC_EC_FP_H
 
#include "crypto_pke_struct.h"
#include "drv_pke_inner.h"
#include "crypto_osal_lib.h"
 
#ifdef __cplusplus
#if __cplusplus
extern "C" {
#endif /* __cplusplus */
#endif /* __cplusplus */
 
/* The whole DRAM is 4KB, and there are 128 blocks, each block is 256bits. For ecc, it needs to support 521bits, so
there should be 3 block DRAM used for calculate. */
 
/* * struct of ecc point */
typedef struct {
    td_u8 *x;   /* X coordinates of the point in Jacobian coordinate system. */
    td_u8 *y;   /* Y coordinates of the point in Jacobian coordinate system. */
    td_u8 *z;   /* Z coordinates of the point in Jacobian coordinate system. */
    td_u32 length;
} pke_ecc_point_jac;
 
td_s32 ecc_ecfp_jac_to_aff(const drv_pke_data *mod_p);
 
td_s32 ecc_ecfp_demontgomery_data_jac_z(const drv_pke_data *z, td_u32 work_len);
 
td_s32 ecc_ecfp_aff_to_jac(const drv_pke_ecc_point *in, const drv_pke_data *mod_p, pke_ecc_point_jac *out);
 
td_s32 ecc_ecfp_montgomery_data_aff_backup(const drv_pke_ecc_point *in, const drv_pke_data *mod_p,
    const drv_pke_ecc_point *out, const uintptr_t check_word);
 
td_s32 ecc_ecfp_montgomery_data_aff(const drv_pke_ecc_point *in, const drv_pke_data *mod_p,
    const drv_pke_ecc_point *out CIPHER_CHECK_WORD);
 
td_s32 ecc_ecfp_demontgomery_data_aff(const drv_pke_ecc_point *r, td_u32 work_len);
 
td_s32 ecc_ecfp_mul_naf(const drv_pke_ecc_curve *ecc, const drv_pke_data *k,
    const drv_pke_ecc_point *p, const drv_pke_ecc_point *r CIPHER_CHECK_WORD);
 
td_s32 ecc_ecfp_mul_naf_cal(td_u32 work_len, const drv_pke_data *k);
 
td_s32 ecc_ecfp_mul_add(const drv_pke_ecc_curve *ecc, const drv_pke_data *u1, const drv_pke_data *u2,
    const drv_pke_ecc_point *q, const drv_pke_ecc_point *r CIPHER_CHECK_WORD);
 
td_s32 ecc_ecfn_inv(const drv_pke_data *a, const drv_pke_data *n, const drv_pke_data *c CIPHER_CHECK_WORD);
/************************************************** inner calculate API start************************************/
td_s32 get_random_key(const td_u8 *n, const td_u32 size, td_u8 *rand CIPHER_CHECK_WORD);
 
td_s32 update_modulus(const td_u8 *n, const td_u32 n_len CIPHER_CHECK_WORD);
 
td_s32 ecc_ecfn_sign_s(const drv_pke_data *k_inv, const drv_pke_data *e, const drv_pke_data *d,
    const drv_pke_data *r, const drv_pke_data *n, const drv_pke_data *s CIPHER_CHECK_WORD);
 
td_s32 ecc_ecfn_verify_u(const drv_pke_data *s_inv, const drv_pke_data *e, const drv_pke_data *r,
    const drv_pke_data *n, const drv_pke_data *u1, const drv_pke_data *u2 CIPHER_CHECK_WORD);
 
td_s32 ecc_ecfn_verify_v(const drv_pke_ecc_curve *ecc, const drv_pke_ecc_sig *sig, td_u8 *out_v);
 
td_s32 ecc_ecfp_point_valid_standard(drv_pke_ecc_curve_type curve_type, const drv_pke_ecc_point *pub_key,
    td_bool *is_on_curve CIPHER_CHECK_WORD);
 
td_s32 ecc_ecfn_add_mod(const drv_pke_data *a, const drv_pke_data *b, const drv_pke_data *p,
    const drv_pke_data *c CIPHER_CHECK_WORD);
 
td_s32 sm2_ecfn_sign_s(const drv_pke_data *k, const drv_pke_data *d, const drv_pke_data *n,
    const drv_pke_data *r, const drv_pke_data *s);
 
td_s32 sm2_ecfn_add_mod(const drv_pke_data *a, const drv_pke_data *b, const drv_pke_data *p,
    const drv_pke_data *c, uintptr_t const check_word);
 
td_s32 sm2_ecfn_verify_r(const drv_pke_data *rx, const drv_pke_data *hash, const drv_pke_data *r,
    const drv_pke_data *n, const drv_pke_data *out);
td_s32 sign_verify_hash(const sm2_sign_verify_hash_pack *param, const drv_pke_msg *msg,
    drv_pke_data *hash CIPHER_CHECK_WORD);
/************************************************** inner calculate API end************************************/
 
#ifdef __cplusplus
#if __cplusplus
}
#endif /* __cplusplus */
#endif /* __cplusplus */
 
#endif