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

net/cert/cert_verify_proc_android.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_android.h"
 
 #include <string>
 #include <vector>
 
 #include "base/logging.h"
@@ skipping 69 matching lines @@
   chain.insert(chain.end(), intermediates.begin(), intermediates.end());
 
   // If the chain successfully verified, ignore the trust anchor (the last
   // certificate). Otherwise, assume the chain is partial. This is not entirely
   // correct, as a full chain may have been constructed and then failed to
   // validate. However, if that is the case, the more serious error will
   // override any SHA-1 considerations.
   size_t correction_for_root =
       (status == android::CERT_VERIFY_STATUS_ANDROID_OK) ? 1 : 0;
   for (size_t i = 0; i < chain.size() - correction_for_root; ++i) {
-    int sig_alg = OBJ_obj2nid(chain[i]->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(chain[i], i == 0, verify_result);
   }
 
   // Extract the public key hashes.
   for (size_t i = 0; i < verified_chain.size(); i++) {
     base::StringPiece spki_bytes;
     if (!asn1::ExtractSPKIFromDERCert(verified_chain[i], &spki_bytes))
       continue;
 
     HashValue sha1(HASH_VALUE_SHA1);
     base::SHA1HashBytes(reinterpret_cast<const uint8_t*>(spki_bytes.data()),
@@ skipping 64 matching lines @@
     NOTREACHED();
     return ERR_FAILED;
   }
   if (IsCertStatusError(verify_result->cert_status))
     return MapCertStatusToNetError(verify_result->cert_status);
 
   return OK;
 }
 
 }  // namespace net