crypto/ccp/ccp-ops.c

2165 	struct ccp_ecc_engine *ecc = &cmd->u.ecc;
2171 	if (!ecc->u.mm.operand_1 ||
2172 	    (ecc->u.mm.operand_1_len > CCP_ECC_MODULUS_BYTES))
2175 	if (ecc->function != CCP_ECC_FUNCTION_MINV_384BIT)
2176 		if (!ecc->u.mm.operand_2 ||
2177 		    (ecc->u.mm.operand_2_len > CCP_ECC_MODULUS_BYTES))
2180 	if (!ecc->u.mm.result ||
2181 	    (ecc->u.mm.result_len < CCP_ECC_MODULUS_BYTES))
2204 	ret = ccp_reverse_set_dm_area(&src, 0, ecc->mod, 0, ecc->mod_len);
2210 	ret = ccp_reverse_set_dm_area(&src, 0, ecc->u.mm.operand_1, 0,
2211 				      ecc->u.mm.operand_1_len);
2216 	if (ecc->function != CCP_ECC_FUNCTION_MINV_384BIT) {
2218 		ret = ccp_reverse_set_dm_area(&src, 0, ecc->u.mm.operand_2, 0,
2219 					      ecc->u.mm.operand_2_len);
2242 	op.u.ecc.function = cmd->u.ecc.function;
2244 	ret = cmd_q->ccp->vdata->perform->ecc(&op);
2250 	ecc->ecc_result = le16_to_cpup(
2252 	if (!(ecc->ecc_result & CCP_ECC_RESULT_SUCCESS)) {
2258 	ccp_reverse_get_dm_area(&dst, 0, ecc->u.mm.result, 0,
2272 	struct ccp_ecc_engine *ecc = &cmd->u.ecc;
2278 	if (!ecc->u.pm.point_1.x ||
2279 	    (ecc->u.pm.point_1.x_len > CCP_ECC_MODULUS_BYTES) ||
2280 	    !ecc->u.pm.point_1.y ||
2281 	    (ecc->u.pm.point_1.y_len > CCP_ECC_MODULUS_BYTES))
2284 	if (ecc->function == CCP_ECC_FUNCTION_PADD_384BIT) {
2285 		if (!ecc->u.pm.point_2.x ||
2286 		    (ecc->u.pm.point_2.x_len > CCP_ECC_MODULUS_BYTES) ||
2287 		    !ecc->u.pm.point_2.y ||
2288 		    (ecc->u.pm.point_2.y_len > CCP_ECC_MODULUS_BYTES))
2291 		if (!ecc->u.pm.domain_a ||
2292 		    (ecc->u.pm.domain_a_len > CCP_ECC_MODULUS_BYTES))
2295 		if (ecc->function == CCP_ECC_FUNCTION_PMUL_384BIT)
2296 			if (!ecc->u.pm.scalar ||
2297 			    (ecc->u.pm.scalar_len > CCP_ECC_MODULUS_BYTES))
2301 	if (!ecc->u.pm.result.x ||
2302 	    (ecc->u.pm.result.x_len < CCP_ECC_MODULUS_BYTES) ||
2303 	    !ecc->u.pm.result.y ||
2304 	    (ecc->u.pm.result.y_len < CCP_ECC_MODULUS_BYTES))
2327 	ret = ccp_reverse_set_dm_area(&src, 0, ecc->mod, 0, ecc->mod_len);
2333 	ret = ccp_reverse_set_dm_area(&src, 0, ecc->u.pm.point_1.x, 0,
2334 				      ecc->u.pm.point_1.x_len);
2338 	ret = ccp_reverse_set_dm_area(&src, 0, ecc->u.pm.point_1.y, 0,
2339 				      ecc->u.pm.point_1.y_len);
2348 	if (ecc->function == CCP_ECC_FUNCTION_PADD_384BIT) {
2350 		ret = ccp_reverse_set_dm_area(&src, 0, ecc->u.pm.point_2.x, 0,
2351 					      ecc->u.pm.point_2.x_len);
2355 		ret = ccp_reverse_set_dm_area(&src, 0, ecc->u.pm.point_2.y, 0,
2356 					      ecc->u.pm.point_2.y_len);
2366 		ret = ccp_reverse_set_dm_area(&src, 0, ecc->u.pm.domain_a, 0,
2367 					      ecc->u.pm.domain_a_len);
2372 		if (ecc->function == CCP_ECC_FUNCTION_PMUL_384BIT) {
2375 						      ecc->u.pm.scalar, 0,
2376 						      ecc->u.pm.scalar_len);
2400 	op.u.ecc.function = cmd->u.ecc.function;
2402 	ret = cmd_q->ccp->vdata->perform->ecc(&op);
2408 	ecc->ecc_result = le16_to_cpup(
2410 	if (!(ecc->ecc_result & CCP_ECC_RESULT_SUCCESS)) {
2421 	ccp_reverse_get_dm_area(&dst, 0, ecc->u.pm.result.x, 0,
2424 	ccp_reverse_get_dm_area(&dst, 0, ecc->u.pm.result.y, 0,
2442 	struct ccp_ecc_engine *ecc = &cmd->u.ecc;
2444 	ecc->ecc_result = 0;
2446 	if (!ecc->mod ||
2447 	    (ecc->mod_len > CCP_ECC_MODULUS_BYTES))
2450 	switch (ecc->function) {