28 	int ltc_res = 0;  in sm2_ltc_dsa_sign()  local
40 	ltc_res = mp_init_multi(&k, &e, &r, &s, &tmp, NULL);  in sm2_ltc_dsa_sign()
41 	if (ltc_res != CRYPT_OK)  in sm2_ltc_dsa_sign()
62 	ltc_res = rand_bn_upto(k, ltc_key.dp.order, NULL,  in sm2_ltc_dsa_sign()
64 	if (ltc_res != CRYPT_OK) {  in sm2_ltc_dsa_sign()
71 	ltc_res = ltc_ecc_mulmod(k, &ltc_key.dp.base, x1y1p, ltc_key.dp.A,  in sm2_ltc_dsa_sign()
73 	if (ltc_res != CRYPT_OK) {  in sm2_ltc_dsa_sign()
81 	ltc_res = mp_addmod(e, x1y1p->x, ltc_key.dp.order, r);  in sm2_ltc_dsa_sign()
82 	if (ltc_res != CRYPT_OK) {  in sm2_ltc_dsa_sign()
86 	ltc_res = mp_add(r, k, tmp);  in sm2_ltc_dsa_sign()
87 	if (ltc_res != CRYPT_OK) {  in sm2_ltc_dsa_sign()
97 	ltc_res = mp_add_d(ltc_key.k, 1, s);  in sm2_ltc_dsa_sign()
98 	if (ltc_res != CRYPT_OK) {  in sm2_ltc_dsa_sign()
102 	ltc_res = mp_invmod(s, ltc_key.dp.order, s);  in sm2_ltc_dsa_sign()
103 	if (ltc_res != CRYPT_OK) {  in sm2_ltc_dsa_sign()
107 	ltc_res = mp_mul(r, ltc_key.k, tmp);  in sm2_ltc_dsa_sign()
108 	if (ltc_res != CRYPT_OK) {  in sm2_ltc_dsa_sign()
112 	ltc_res = mp_sub(k, tmp, tmp);  in sm2_ltc_dsa_sign()
113 	if (ltc_res != CRYPT_OK) {  in sm2_ltc_dsa_sign()
117 	ltc_res = mp_mulmod(s, tmp, ltc_key.dp.order, s);  in sm2_ltc_dsa_sign()
118 	if (ltc_res != CRYPT_OK) {  in sm2_ltc_dsa_sign()
145 	int ltc_res = 0;  in sm2_ltc_dsa_verify()  local
159 	ltc_res = mp_init_multi(&rprime, &sprime, &t, &mu, &ma, &eprime, &R,  in sm2_ltc_dsa_verify()
161 	if (ltc_res != CRYPT_OK)  in sm2_ltc_dsa_verify()
194 	ltc_res = mp_addmod(rprime, sprime, ltc_key.dp.order, t);  in sm2_ltc_dsa_verify()
195 	if (ltc_res != CRYPT_OK) {  in sm2_ltc_dsa_verify()
211 	ltc_res = mp_montgomery_setup(ltc_key.dp.prime, &mp);  in sm2_ltc_dsa_verify()
212 	if (ltc_res != CRYPT_OK) {  in sm2_ltc_dsa_verify()
216 	ltc_res = mp_montgomery_normalization(mu, ltc_key.dp.prime);  in sm2_ltc_dsa_verify()
217 	if (ltc_res != CRYPT_OK) {  in sm2_ltc_dsa_verify()
221 	ltc_res = mp_mulmod(ltc_key.dp.A, mu, ltc_key.dp.prime, ma);  in sm2_ltc_dsa_verify()
222 	if (ltc_res != CRYPT_OK) {  in sm2_ltc_dsa_verify()
226 	ltc_res = ltc_ecc_mul2add(&ltc_key.dp.base, sprime, &ltc_key.pubkey, t,  in sm2_ltc_dsa_verify()
228 	if (ltc_res != CRYPT_OK) {  in sm2_ltc_dsa_verify()
236 	ltc_res = mp_addmod(eprime, x1y1p->x, ltc_key.dp.order, R);  in sm2_ltc_dsa_verify()
237 	if (ltc_res != CRYPT_OK) {  in sm2_ltc_dsa_verify()