/*
 * Copyright 2014 Google Inc.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

// Author: jcrowell@google.com (Jeffrey Crowell)

#include "pagespeed/kernel/base/signature.h"

#include "pagespeed/kernel/base/base64_util.h"
#include "pagespeed/kernel/base/string.h"
#include "pagespeed/kernel/base/string_util.h"

namespace net_instaweb {

Signature::Signature() {}

Signature::~Signature() {}

GoogleString Signature::Sign(StringPiece key, StringPiece data) const {
  GoogleString raw_signature = RawSign(key, data);
  GoogleString out;
  Web64Encode(raw_signature, &out);
  out.resize(SignatureSizeInChars());
  return out;
}

}  // namespace net_instaweb