Detect SHA-1 when it appears in certificate chains

net/cert/cert_verify_result.h

 // Copyright (c) 2011 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.
 
 #ifndef NET_CERT_CERT_VERIFY_RESULT_H_
 #define NET_CERT_CERT_VERIFY_RESULT_H_
 
 #include <vector>
 
 #include "base/memory/ref_counted.h"
@@ skipping 26 matching lines @@
   // running within the sandbox.
   scoped_refptr<X509Certificate> verified_cert;
 
   // Bitmask of CERT_STATUS_* from net/base/cert_status_flags.h. Note that
   // these status flags apply to the certificate chain returned in
   // |verified_cert|, rather than the originally supplied certificate
   // chain.
   CertStatus cert_status;
 
   // Properties of the certificate chain.
-  bool has_md5;
   bool has_md2;
   bool has_md4;
+  bool has_md5;
+  bool has_sha1;
 
   // If the certificate was successfully verified then this contains the
   // hashes, in several hash algorithms, of the SubjectPublicKeyInfos of the
   // chain.
   HashValueVector public_key_hashes;
 
   // is_issued_by_known_root is true if we recognise the root CA as a standard
   // root.  If it isn't then it's probably the case that this certificate was
   // generated by a MITM proxy whose root has been installed locally. This is
   // meaningless if the certificate was not trusted.
   bool is_issued_by_known_root;
 
   // is_issued_by_additional_trust_anchor is true if the root CA used for this
   // verification came from the list of additional trust anchors.
   bool is_issued_by_additional_trust_anchor;
 
   // True if a fallback to the common name was used when matching the host
   // name, rather than using the subjectAltName.
   bool common_name_fallback_used;
 };
 
 }  // namespace net
 
 #endif  // NET_CERT_CERT_VERIFY_RESULT_H_