////////////////////////////////////////////////////////////////////////////////
// Copyright 2016 Google LLC.
//
// This software is licensed under the terms defined in the Widevine Master
// License Agreement. For a copy of this agreement, please contact
// widevine-licensing@google.com.
////////////////////////////////////////////////////////////////////////////////

#include "common/random_util.h"

#include "glog/logging.h"
#include "openssl/rand.h"

namespace widevine {

bool RandomBytes(size_t num_bytes, std::string* output) {
  DCHECK(output);
  output->resize(num_bytes);
  return RAND_bytes(reinterpret_cast<uint8_t*>(&(*output)[0]), num_bytes);
}

std::string Random16Bytes() {
  std::string output;
  CHECK(RandomBytes(16u, &output));
  return output;
}
}  // namespace widevine