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

net/cert/cert_verify_proc_nss.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_nss.h"
 
 #include <cert.h>
 #include <nss.h>
 #include <prerror.h>
 #include <secerr.h>
@@ skipping 174 matching lines @@
         // whose key is equal to |next_cert|, and not a self-issued
         // certificate signed by another key of the same CA.
         if (next_cert && SECITEM_ItemsAreEqual(&node->cert->derPublicKey,
                                                &next_cert->derPublicKey)) {
           continue;
         }
       }
       verified_chain.push_back(node->cert);
     }
 
-    SECAlgorithmID& signature = node->cert->signature;
-    SECOidTag oid_tag = SECOID_FindOIDTag(&signature.algorithm);
-    switch (oid_tag) {
-      case SEC_OID_PKCS1_MD5_WITH_RSA_ENCRYPTION:
-        verify_result->has_md5 = true;
-        break;
-      case SEC_OID_PKCS1_MD2_WITH_RSA_ENCRYPTION:
-        verify_result->has_md2 = true;
-        break;
-      case SEC_OID_PKCS1_MD4_WITH_RSA_ENCRYPTION:
-        verify_result->has_md4 = true;
-        break;
-      case SEC_OID_PKCS1_SHA1_WITH_RSA_ENCRYPTION:
-      case SEC_OID_ISO_SHA1_WITH_RSA_SIGNATURE:
-      case SEC_OID_ANSIX9_DSA_SIGNATURE_WITH_SHA1_DIGEST:
-      case SEC_OID_ANSIX962_ECDSA_SHA1_SIGNATURE:
-        verify_result->has_sha1 = true;
-        if (i == 0)
-          verify_result->has_sha1_leaf = true;
-        break;
-      default:
-        break;
-    }
+    FillCertVerifyResultWeakSignature(node->cert, i == 0, verify_result);
   }
 
   if (root_cert)
     verified_chain.push_back(root_cert);
   verify_result->verified_cert =
       X509Certificate::CreateFromHandle(verified_cert, verified_chain);
 }
 
 // IsKnownRoot returns true if the given certificate is one that we believe
 // is a standard (as opposed to user-installed) root.
@@ skipping 755 matching lines @@
     CRLSet* crl_set,
     const CertificateList& additional_trust_anchors,
     CertVerifyResult* verify_result) {
   return VerifyInternalImpl(cert, hostname, ocsp_response, flags, crl_set,
                             additional_trust_anchors,
                             NULL,  // chain_verify_callback
                             verify_result);
 }
 
 }  // namespace net