131 	struct x509_certificate *x509;  in pkcs7_find_key()  local
136 	for (x509 = pkcs7->certs; x509; x509 = x509->next, certix++) {  in pkcs7_find_key()
142 		if (!asymmetric_key_id_same(x509->id, sinfo->signing_cert_id))  in pkcs7_find_key()
147 		if (x509->pub->pkey_algo != sinfo->sig.pkey_algo) {  in pkcs7_find_key()
153 		sinfo->signer = x509;  in pkcs7_find_key()
172 	struct x509_certificate *x509 = sinfo->signer, *p;  in pkcs7_verify_sig_chain()  local
182 			 x509->subject,  in pkcs7_verify_sig_chain()
183 			 x509->raw_serial_size, x509->raw_serial);  in pkcs7_verify_sig_chain()
184 		x509->seen = true;  in pkcs7_verify_sig_chain()
185 		ret = x509_get_sig_params(x509);  in pkcs7_verify_sig_chain()
189 		pr_debug("- issuer %s\n", x509->issuer);  in pkcs7_verify_sig_chain()
190 		if (x509->akid_skid)  in pkcs7_verify_sig_chain()
192 				 x509->akid_skid->len, x509->akid_skid->data);  in pkcs7_verify_sig_chain()
194 		if (!x509->akid_skid ||  in pkcs7_verify_sig_chain()
195 		    strcmp(x509->subject, x509->issuer) == 0) {  in pkcs7_verify_sig_chain()
202 			if (x509->raw_subject_size != x509->raw_issuer_size ||  in pkcs7_verify_sig_chain()
203 			    memcmp(x509->raw_subject, x509->raw_issuer,  in pkcs7_verify_sig_chain()
204 				   x509->raw_issuer_size) != 0)  in pkcs7_verify_sig_chain()
207 			ret = x509_check_signature(x509->pub, x509);  in pkcs7_verify_sig_chain()
210 			x509->signer = x509;  in pkcs7_verify_sig_chain()
219 			 x509->akid_skid->len, x509->akid_skid->data);  in pkcs7_verify_sig_chain()
225 			if (asymmetric_key_id_same(p->skid, x509->akid_skid))  in pkcs7_verify_sig_chain()
240 		ret = x509_check_signature(p->pub, x509);  in pkcs7_verify_sig_chain()
243 		x509->signer = p;  in pkcs7_verify_sig_chain()
244 		if (x509 == p) {  in pkcs7_verify_sig_chain()
248 		x509 = p;  in pkcs7_verify_sig_chain()
331 	struct x509_certificate *x509;  in pkcs7_verify()  local
337 	for (n = 0, x509 = pkcs7->certs; x509; x509 = x509->next, n++) {  in pkcs7_verify()
338 		ret = x509_get_sig_params(x509);  in pkcs7_verify()