////////////////////////////////////////////////////////////////////////////////
// Copyright 2019 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.
////////////////////////////////////////////////////////////////////////////////
//
// Description:
//   Class to generate EC keys locally.

#ifndef COMMON_LOCAL_EC_KEY_SOURCE_H_
#define COMMON_LOCAL_EC_KEY_SOURCE_H_

#include "common/ec_key.h"
#include "common/ec_key_source.h"

namespace widevine {

// Class which generates new EC keys.
class LocalECKeySource : public ECKeySource {
 public:
  LocalECKeySource() = default;

  // Creates an EC key pair using openssl and |curve|.
  // Parameter |curve| is a standard curve which defines the parameters of the
  // key generation.
  // Parameter |private_key| is the serialized EC private key.
  // Parameter |public_key| is the serialized EC public key.
  // Caller retains ownership of all pointers and they cannot be nullptr.
  // Returns true if successful, false otherwise.
  bool GetECKey(ECPrivateKey::EllipticCurve curve, std::string* private_key,
                std::string* public_key) override;

 private:
  LocalECKeySource(const LocalECKeySource&) = delete;
  LocalECKeySource& operator=(const LocalECKeySource&) = delete;
};

}  // namespace widevine

#endif  // COMMON_LOCAL_EC_KEY_SOURCE_H_