ecc_ec_fp_sign.c 文件参考

#include "ecc_ec_fp.h"
#include "crypto_drv_common.h"
#include "drv_trng.h"
#include "hal_pke_reg.h"
#include "hal_pke.h"
#include "drv_common_pke.h"

ecc_ec_fp_sign.c 的引用(Include)关系图:

函数
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)
	calculate the s value of signature. s = k_inv * (e + d * r) mod n. montgomery multiplication modulurs and twice modulo reduction to demontgomery, and make sure s, r in [1, n-1] Before call this API, you should have set curve initial parameters into DRAM, which must include ecc_addr_rrn, ecc_addr_const_1.

函数说明

ecc_ecfn_sign_s()

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
	)

calculate the s value of signature. s = k_inv * (e + d * r) mod n. montgomery multiplication modulurs and twice modulo reduction to demontgomery, and make sure s, r in [1, n-1] Before call this API, you should have set curve initial parameters into DRAM, which must include ecc_addr_rrn, ecc_addr_const_1.

Copyright (c) HiSilicon (Shanghai) Technologies Co., Ltd. 2023-2023. All rights reserved. Description: ecc sign algorithm implementation

Create: 2023-06-05