ecc_ec_fp_verify.c 文件参考

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

ecc_ec_fp_verify.c 的引用(Include)关系图:

函数
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)
	calculate the u1 = s_inv * e mod n & u2 = s_inv * r mod n. montgomery multiplication modulurs and twice modulo reduction to demontgomery. Before call this API, you should have set curve initial parameters into DRAM, which must include ecc_addr_rrn, ecc_addr_const_1.
td_s32	ecc_ecfn_verify_v (const drv_pke_ecc_curve *ecc, const drv_pke_ecc_sig *sig, td_u8 *out_v)
	verify whether the v == r.

函数说明

ecc_ecfn_verify_u()

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
	)

calculate the u1 = s_inv * e mod n & u2 = s_inv * r mod n. montgomery multiplication modulurs and twice modulo reduction to demontgomery. 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 verify algorithm implementation

Create: 2023-06-05

ecc_ecfn_verify_v()

td_s32 ecc_ecfn_verify_v	(	const drv_pke_ecc_curve *	ecc,
		const drv_pke_ecc_sig *	sig,
		td_u8 *	out_v
	)

verify whether the v == r.

参数

ecc	the input ecc curve parameter.
sig	the signature to be verified.
out_v	the calculated verify value.

返回

td_s32 TD_SUCCESS or others.