Add new certificate error code...

net/base/cert_status_flags.h

 // Copyright (c) 2006-2008 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_BASE_CERT_STATUS_FLAGS_H_
 #define NET_BASE_CERT_STATUS_FLAGS_H_
 
 namespace net {
 
 // Status flags, such as errors and extended validation.
 enum {
   // Bits 0 to 15 are for errors.
   CERT_STATUS_ALL_ERRORS                 = 0xFFFF,
   CERT_STATUS_COMMON_NAME_INVALID        = 1 << 0,
   CERT_STATUS_DATE_INVALID               = 1 << 1,
   CERT_STATUS_AUTHORITY_INVALID          = 1 << 2,
   // 1 << 3 is reserved for ERR_CERT_CONTAINS_ERRORS (not useful with WinHTTP).
   CERT_STATUS_NO_REVOCATION_MECHANISM    = 1 << 4,
   CERT_STATUS_UNABLE_TO_CHECK_REVOCATION = 1 << 5,
   CERT_STATUS_REVOKED                    = 1 << 6,
   CERT_STATUS_INVALID                    = 1 << 7,
+  CERT_STATUS_WEAK_SIGNATURE_ALGORITHM   = 1 << 8,
 
   // Bits 16 to 30 are for non-error statuses.
   CERT_STATUS_IS_EV                      = 1 << 16,
   CERT_STATUS_REV_CHECKING_ENABLED       = 1 << 17,
 
   // 1 << 31 (the sign bit) is reserved so that the cert status will never be
   // negative.
 };
 
 // Returns true if the specified cert status has an error set.
 static inline bool IsCertStatusError(int status) {
   return (CERT_STATUS_ALL_ERRORS & status) != 0;
 }
 
 // Maps a network error code to the equivalent certificate status flag.  If
 // the error code is not a certificate error, it is mapped to 0.
 int MapNetErrorToCertStatus(int error);
 
 // Maps the most serious certificate error in the certificate status flags
 // to the equivalent network error code.
 int MapCertStatusToNetError(int cert_status);
 
 }  // namespace net
 
 #endif  // NET_BASE_CERT_STATUS_FLAGS_H_