1 // Copyright (c) 2006-2008 The Chromium Authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style license that can be 3 // found in the LICENSE file. 4 5 #include "base/base64.h" 6 7 #include "third_party/modp_b64/modp_b64.h" 8 9 namespace base { 10 Base64Encode(const std::string & input,std::string * output)11bool Base64Encode(const std::string& input, std::string* output) { 12 std::string temp; 13 temp.resize(modp_b64_encode_len(input.size())); // makes room for null byte 14 15 // null terminates result since result is base64 text! 16 int input_size = static_cast<int>(input.size()); 17 int output_size= modp_b64_encode(&(temp[0]), input.data(), input_size); 18 if (output_size < 0) 19 return false; 20 21 temp.resize(output_size); // strips off null byte 22 output->swap(temp); 23 return true; 24 } 25 Base64Decode(const std::string & input,std::string * output)26bool Base64Decode(const std::string& input, std::string* output) { 27 std::string temp; 28 temp.resize(modp_b64_decode_len(input.size())); 29 30 // does not null terminate result since result is binary data! 31 int input_size = static_cast<int>(input.size()); 32 int output_size = modp_b64_decode(&(temp[0]), input.data(), input_size); 33 if (output_size < 0) 34 return false; 35 36 temp.resize(output_size); 37 output->swap(temp); 38 return true; 39 } 40 41 } // namespace base 42