// 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 "base/base64.h"#include "third_party/modp_b64/modp_b64.h"namespacebase{voidBase64Encode(constStringPiece&input,std::string*output){std::stringtemp;temp.resize(modp_b64_encode_len(input.size()));// makes room for null byte// modp_b64_encode_len() returns at least 1, so temp[0] is safe to use.size_toutput_size=modp_b64_encode(&(temp[0]),input.data(),input.size());temp.resize(output_size);// strips off null byteoutput->swap(temp);}boolBase64Decode(constStringPiece&input,std::string*output){std::stringtemp;temp.resize(modp_b64_decode_len(input.size()));// does not null terminate result since result is binary data!size_tinput_size=input.size();size_toutput_size=modp_b64_decode(&(temp[0]),input.data(),input_size);if(output_size==MODP_B64_ERROR)returnfalse;temp.resize(output_size);output->swap(temp);returntrue;}}// namespace base