828 	void *bbuf = NULL;  in op_attr_bignum_from_user()  local
830 	res = bb_memdup_user(buffer, size, &bbuf);  in op_attr_bignum_from_user()
834 	res = crypto_bignum_bin2bn(bbuf, size, *bn);  in op_attr_bignum_from_user()
836 	bb_free(bbuf, size);  in op_attr_bignum_from_user()
849 	void *bbuf = NULL;  in op_attr_bignum_to_user()  local
864 	bbuf = bb_alloc(req_size);  in op_attr_bignum_to_user()
865 	if (!bbuf)  in op_attr_bignum_to_user()
872 	crypto_bignum_bn2bin(*bn, bbuf);  in op_attr_bignum_to_user()
873 	res = copy_to_user(buffer, bbuf, req_size);  in op_attr_bignum_to_user()
875 	bb_free(bbuf, req_size);  in op_attr_bignum_to_user()
3560 		void *bbuf = NULL;  in get_sm2_kep_params()  local
3570 					     &bbuf);  in get_sm2_kep_params()
3574 			crypto_bignum_bin2bn(bbuf,  in get_sm2_kep_params()
3578 			bb_free(bbuf, p->content.ref.length);  in get_sm2_kep_params()
3583 					     &bbuf);  in get_sm2_kep_params()
3587 			crypto_bignum_bin2bn(bbuf,  in get_sm2_kep_params()
3591 			bb_free(bbuf, p->content.ref.length);  in get_sm2_kep_params()
3597 					     &bbuf);  in get_sm2_kep_params()
3601 			crypto_bignum_bin2bn(bbuf,  in get_sm2_kep_params()
3605 			bb_free(bbuf, p->content.ref.length);  in get_sm2_kep_params()
3611 					     &bbuf);  in get_sm2_kep_params()
3615 			crypto_bignum_bin2bn(bbuf,  in get_sm2_kep_params()
3619 			bb_free(bbuf, p->content.ref.length);  in get_sm2_kep_params()
3624 					     &bbuf);  in get_sm2_kep_params()
3628 			kep_parms->initiator_id = bbuf;  in get_sm2_kep_params()
3635 					     &bbuf);  in get_sm2_kep_params()
3639 			kep_parms->responder_id = bbuf;  in get_sm2_kep_params()
3646 					     &bbuf);  in get_sm2_kep_params()
3650 			kep_parms->conf_in = bbuf;  in get_sm2_kep_params()
3656 					     &bbuf);  in get_sm2_kep_params()
3660 			kep_parms->conf_out = bbuf;  in get_sm2_kep_params()
3736 		void *bbuf = NULL;  in syscall_cryp_derive_key()  local
3752 				     &bbuf);  in syscall_cryp_derive_key()
3759 			crypto_bignum_bin2bn(bbuf, bin_size, pub);  in syscall_cryp_derive_key()
3979 		void *bbuf = NULL;  in syscall_cryp_derive_key()  local
3995 				     &bbuf);  in syscall_cryp_derive_key()
4000 		x25519_pub_key = bbuf;  in syscall_cryp_derive_key()
4021 		void *bbuf = NULL;  in syscall_cryp_derive_key()  local
4037 				     &bbuf);  in syscall_cryp_derive_key()
4042 		x448_pub_key = bbuf;  in syscall_cryp_derive_key()
4069 	void *bbuf = NULL;  in syscall_cryp_random_number_generate()  local
4071 	bbuf = bb_alloc(blen);  in syscall_cryp_random_number_generate()
4072 	if (!bbuf)  in syscall_cryp_random_number_generate()
4075 	res = crypto_rng_read(bbuf, blen);  in syscall_cryp_random_number_generate()
4079 	res = copy_to_user(buf, bbuf, blen);  in syscall_cryp_random_number_generate()