text: // MIT License
  //
  // Copyright (c) 2019 Lennart Braun
  //
  // Permission is hereby granted, free of charge, to any person obtaining a copy
  // of this software and associated documentation files (the "Software"), to deal
  // in the Software without restriction, including without limitation the rights
  // to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
  // copies of the Software, and to permit persons to whom the Software is
  // furnished to do so, subject to the following conditions:
  //
  // The above copyright notice and this permission notice shall be included in all
  // copies or substantial portions of the Software.
  //
  // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
  // AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  // OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  // SOFTWARE.
  
  #include "block.h"
  #include <algorithm>
  #include <boost/algorithm/hex.hpp>
  #include <cassert>
  #include "primitives/random/default_rng.h"
  
  
  namespace encrypto::motion {
  
  void Block128::SetToRandom() {
    auto& rng = DefaultRng::GetThreadInstance();
    rng.RandomBlocksAligned(byte_array.data(), 1);
  }
  
  std::string Block128::AsString() const {
    std::string result;
    result.reserve(2 * sizeof(byte_array));
    boost::algorithm::hex(
        reinterpret_cast<const std::uint8_t*>(byte_array.data()),
        reinterpret_cast<const std::uint8_t*>(byte_array.data() + sizeof(byte_array)),
        std::back_inserter(result));
    return result;
  }
  
  void Block128Vector::SetToRandom() {
    auto& rng = DefaultRng::GetThreadInstance();
    rng.RandomBlocksAligned(reinterpret_cast<std::byte*>(block_vector.data()), block_vector.size());
  }
  
  }  // namespace encrypto::motion
  