[refactor] Extract the CertVerifyResult assignment of has_md2, has_md4,

net/cert/cert_verify_proc_openssl.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "net/cert/cert_verify_proc_openssl.h"
 
 #include <string>
 #include <vector>
 
 #include "base/logging.h"
@@ skipping 90 matching lines @@
     X509* cert = sk_X509_value(chain, i);
     if (i == 0) {
       verified_cert = cert;
     } else {
       verified_chain.push_back(cert);
     }
 
     // Only check the algorithm status for certificates that are not in the
     // trust store.
     if (i < static_cast<size_t>(store_ctx->last_untrusted)) {
-      int sig_alg = OBJ_obj2nid(cert->sig_alg->algorithm);
-      if (sig_alg == NID_md2WithRSAEncryption) {
-        verify_result->has_md2 = true;
-      } else if (sig_alg == NID_md4WithRSAEncryption) {
-        verify_result->has_md4 = true;
-      } else if (sig_alg == NID_md5WithRSAEncryption ||
-                 sig_alg == NID_md5WithRSA) {
-        verify_result->has_md5 = true;
-      } else if (sig_alg == NID_sha1WithRSAEncryption ||
-                 sig_alg == NID_dsaWithSHA || sig_alg == NID_dsaWithSHA1 ||
-                 sig_alg == NID_dsaWithSHA1_2 || sig_alg == NID_sha1WithRSA ||
-                 sig_alg == NID_ecdsa_with_SHA1) {
-        verify_result->has_sha1 = true;
-        if (i == 0)
-          verify_result->has_sha1_leaf = true;
-      }
+      FillCertVerifyResultWeakSignature(cert, i == 0, verify_result);
     }
   }
 
   // Set verify_result->verified_cert and
   // verify_result->is_issued_by_known_root.
   if (verified_cert) {
     verify_result->verified_cert =
         X509Certificate::CreateFromHandle(verified_cert, verified_chain);
 
     // For OpenSSL builds, only certificates used for unit tests are treated
@@ skipping 103 matching lines @@
 
   GetCertChainInfo(ctx.get(), verify_result);
   AppendPublicKeyHashes(ctx.get(), &verify_result->public_key_hashes);
   if (IsCertStatusError(verify_result->cert_status))
     return MapCertStatusToNetError(verify_result->cert_status);
 
   return OK;
 }
 
 }  // namespace net