cc/signature/signature_config.h

// Copyright 2017 Google Inc.
//
// 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.
//
///////////////////////////////////////////////////////////////////////////////

#ifndef TINK_SIGNATURE_SIGNATURE_CONFIG_H_
#define TINK_SIGNATURE_SIGNATURE_CONFIG_H_

#include "absl/base/macros.h"
#include "tink/util/status.h"
#include "proto/config.pb.h"

namespace crypto {
namespace tink {

///////////////////////////////////////////////////////////////////////////////
// Static methods and constants for registering with the Registry
// all instances of signature key types supported in a particular
// release of Tink, i.e. key types that correspond to primitives
// PublicKeySign and PublicKeyVerify.
//
// To register all signature key types from the current Tink release
// one can do:
//
//   auto status = SignatureConfig::Register();
//
class SignatureConfig {
 public:
  static constexpr char kPublicKeySignCatalogueName[] = "TinkPublicKeySign";
  static constexpr char kPublicKeyVerifyCatalogueName[] = "TinkPublicKeyVerify";
  static constexpr char kPublicKeySignPrimitiveName[] = "PublicKeySign";
  static constexpr char kPublicKeyVerifyPrimitiveName[] = "PublicKeyVerify";

  // Returns config with implementations of PublicKeySign and PublicKeyVerify
  // supported in the current Tink release.
  ABSL_DEPRECATED("This is not supported anymore.")
  static const google::crypto::tink::RegistryConfig& Latest();

  // Registers PublicKeySign and PublicKeyVerify primitive wrappers, and key
  // managers for all implementations of PublicKeySign and PublicKeyVerify from
  // the current Tink release.
  static crypto::tink::util::Status Register();

 private:
  SignatureConfig() {}
};

}  // namespace tink
}  // namespace crypto

#endif  // TINK_SIGNATURE_SIGNATURE_CONFIG_H_