Make the Nigori user salt key 80-bits to be FIPS compliant.

chrome/browser/sync/util/nigori.h

 // Copyright (c) 2010 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 CHROME_BROWSER_SYNC_UTIL_NIGORI_H_
 #define CHROME_BROWSER_SYNC_UTIL_NIGORI_H_
 
 #include <string>
 
 #include "base/crypto/symmetric_key.h"
@@ skipping 32 matching lines @@
 
   // Encrypts |value|. Note that on success, |encrypted| will be Base64
   // encoded.
   bool Encrypt(const std::string& value, std::string* encrypted);
 
   // Decrypts |value| into |decrypted|. It is assumed that |value| is Base64
   // encoded.
   bool Decrypt(const std::string& value, std::string* decrypted);
 
   static const char kSaltSalt[];  // The salt used to derive the user salt.
-  static const size_t kSaltKeySizeInBits = 64;
+  static const size_t kSaltKeySizeInBits = 128;
   static const size_t kDerivedKeySizeInBits = 128;
   static const size_t kIvSize = 16;
   static const size_t kHashSize = 32;
 
   static const size_t kSaltIterations = 1001;
   static const size_t kUserIterations = 1002;
   static const size_t kEncryptionIterations = 1003;
   static const size_t kSigningIterations = 1004;
 
  private:
   const std::string hostname_;
   scoped_ptr<base::SymmetricKey> user_key_;
   scoped_ptr<base::SymmetricKey> encryption_key_;
   scoped_ptr<base::SymmetricKey> mac_key_;
 };
 
 }  // namespace browser_sync
 
 #endif  // CHROME_BROWSER_SYNC_UTIL_NIGORI_H_