Use size_t as the type of key_length and digest_length arguments of HMAC.

chrome/browser/internal_auth.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 "chrome/browser/internal_auth.h"
 
 #include <algorithm>
 #include <deque>
 
 #include "base/base64.h"
@@ skipping 47 matching lines @@
 
 // Character used as a separator for construction of message to take HMAC of.
 // It is critical to validate all caller-supplied data (used to construct
 // message) to be clear of this separator because it could allow attacks.
 const char kItemSeparator = '\n';
 
 // Character used for var=value separation.
 const char kVarValueSeparator = '=';
 
 const size_t kKeySizeInBytes = 128 / 8;
-const int kHMACSizeInBytes = 256 / 8;
+const size_t kHMACSizeInBytes = 256 / 8;
 
 // Length of base64 string required to encode given number of raw octets.
 #define BASE64_PER_RAW(X) (X > 0 ? ((X - 1) / 3 + 1) * 4 : 0)
 
 // Size of decimal string representing 64-bit tick.
 const size_t kTickStringLength = 20;
 
 // A passport consists of 2 parts: HMAC and tick.
 const size_t kPassportSize =
     BASE64_PER_RAW(kHMACSizeInBytes) + kTickStringLength;
@@ skipping 390 matching lines @@
     const std::string& domain, const VarValueMap& var_value_map) {
   return g_generation_service.Get().GeneratePassport(domain, var_value_map, 0);
 }
 
 // static
 void InternalAuthGeneration::GenerateNewKey() {
   g_generation_service.Get().GenerateNewKey();
 }
 
 }  // namespace chrome