| // Copyright 2012 Google Inc. All Rights Reserved. |
| // |
| // 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. |
| |
| // A SecretEncoder implementation that uses hexadecimal encoding. This encoding |
| // has 2 symbols per byte since each hex character uses 4 bits. |
| |
| #include "polo/encoding/hexadecimalencoder.h" |
| |
| #include <string> |
| #include <vector> |
| #include "polo/util/poloutil.h" |
| |
| namespace polo { |
| namespace encoding { |
| |
| std::string HexadecimalEncoder::EncodeToString( |
| const std::vector<uint8_t>& secret) const { |
| return polo::util::PoloUtil::BytesToHexString(&secret[0], secret.size()); |
| } |
| |
| std::vector<uint8_t> HexadecimalEncoder::DecodeToBytes( |
| const std::string& secret) const { |
| uint8_t* bytes; |
| size_t length = polo::util::PoloUtil::HexStringToBytes(secret, bytes); |
| std::vector<uint8_t> decoded(bytes, bytes + length); |
| delete[] bytes; |
| |
| return decoded; |
| } |
| |
| size_t HexadecimalEncoder::symbols_per_byte() const { |
| return HEX_SYMBOLS_PER_BYTE; |
| } |
| |
| } // namespace encoding |
| } // namespace polo |