#include?
#include?
#include?
#include?“sm2.h“
#include?

#define?SM2_PAD_ZERO?TRUE
#define?SM2_DEBUG???0

struct?FPECC?{
	char?*p;
	char?*a;
	char?*b;
	char?*n;
	char?*x;
	char?*y;
};
///*SM2*/
struct?FPECC?Ecc256?=?{
“FFFFFFFEFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00000000FFFFFFFFFFFFFFFF“//p
“FFFFFFFEFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00000000FFFFFFFFFFFFFFFC“//a
“28E9FA9E9D9F5E344D5A9E4BCF6509A7F39789F515AB8F92DDBCBD414D940E93“//b
“FFFFFFFEFFFFFFFFFFFFFFFFFFFFFFFF7203DF6B21C6052B53BBF40939D54123“//n
“32C4AE2C1F1981195F9904466A39C9948FE30BBFF2660BE1715A4589334C74C7“//Gx
“BC3736A2F4F6779C59BDCEE36B692153D0A9877CC62A474002DF32E52139F0A0“//Gy
};

#define?SEED_CONST?0x1BD8C95A
//秘鑰生成函數
void?sm2_keygen（unsigned?char?*wx?int?*wxlen?unsigned?char?*wy?int?*wylen?unsigned?char?*privkey?int?*privkeylen）
{
	struct?FPECC?*cfig?=?&Ecc256;
	epoint?*g;
	big?a?b?p?n?x?y?key1;
	miracl?*mip?=?mirsys（20?0）;

	mip->IObase?=?16;

	p?=?mirvar（0）;
	a?=?mirvar（0）;
	b?=?mirvar（0）;
	n?=?mirvar（0）;
	x?=?mirvar（0）;
	y?=?mirvar（0）;

	key1?=?mirvar（0）;
	//將給定數據賦值給對應變量
	cinstr（p?cfig->p）;
	cinstr（a?cfig->a）;
	cinstr（b?cfig->b）;
	cinstr（n?cfig->n）;
	cinstr（x?cfig->x）;
	cinstr（y?cfig->y）;
	//初始化橢圓曲線
	ecurve_init（a?b?p?MR_PROJECTIVE）;
	g?=?epoint_init（）;
	epoint_set（x?y?0?g）;

	//初始化隨機種子
	irand（time（NULL）?+?SEED_CONST）;
	bigrand（n?key1）;?//隨機數dB
	ecurve_mult（key1?g?g）;//倍點運算后的g點即為PB
	epoint_get（g?x?y）;//得到PB的x和y坐標

	*wxlen?=?big_to_bytes（32?x?（char?*）wx?TRUE）;
	*wylen?=?big_to_bytes（32?y?（char?*）wy?TRUE）;
	*privkeylen?=?big_to_bytes（32?key1?（char?*）privkey?TRUE）;

	mirkill（key1）;
	mirkill（p）;
	mirkill（a）;
	mirkill（b）;
	mirkill（n）;
	mirkill（x）;
	mirkill（y）;
	epoint_free（g）;
	mirexit（）;
}
//秘鑰派生函數
int?kdf（unsigned?char?*zl?unsigned?char?*zr?int?klen?unsigned?char?*kbuf）
{
	unsigned?char?buf[70];
	unsigned?char?digest[32];
	unsigned?int?ct?=?0x00000001;
	int?i?m?n;
	unsigned?char?*p;
	memcpy（buf?zl?32）;
	memcpy（buf?+?32?zr?32）;
	m?=?klen?/?32;
	n?=?klen?%?32;
	p?=?kbuf;
	for?（i?=?0;?i?	{
		buf[64]?=?（ct?>>?24）?&?0xFF;
		buf[65]?=?（ct?>>?16）?&?0xFF;
		buf[66]?=?（ct?>>?8）?&?0xFF;
		buf[67]?=?ct?&?0xFF;
		sm3（buf?68?p）;
		p?+=?32;
		ct++;
	}
	if?（n?!=?0）
	{
		buf[64]?=?（ct?>>?24）?&?0xFF;
		buf[65]?=?（ct?>>?16）?&?0xFF;
		buf[66]?=?（ct?>>?8）?&?0xFF;
		buf[67]?=?ct?&?0xFF;
		sm3（buf?68?digest）;
	}
	memcpy（p?digest?n）;
	for?（i?=?0;?i?	{
		if?（kbuf[i]?!=?0）
			break;
	}
	if?（i?		return?1;
	else
		return?0;
}
int?sm2_encrypt（unsigned?char?*msg?int?msglen?unsigned?char?*wx?int?wxlen?unsigned?char?*wy?int?wylen?unsigned?char?*outmsg）
{
	struct?FPECC?*cfig?=?&Ecc256;
	big?x2?y2?c1?c2?k;
	big?a?b?p?n?x?y;
	epoint?*g?*w;
	int?ret?=?-1;
	int?i;
	unsigned?char?zl[32]?zr[32];
	unsigned?char?*tmp;
	miracl?*mip;

	tmp?=?malloc（msglen?+