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// Copyright 2020 Google LLC
//
// 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.
//
////////////////////////////////////////////////////////////////////////////////
#include "tink/keyderivation/key_derivation_config.h"
#include "tink/config/tink_fips.h"
#include "tink/keyderivation/internal/prf_based_deriver_key_manager.h"
#include "tink/keyderivation/keyset_deriver_wrapper.h"
#include "tink/prf/hkdf_prf_key_manager.h"
namespace crypto {
namespace tink {
// static
util::Status KeyDerivationConfig::Register() {
// Register primitive wrappers.
util::Status status = Registry::RegisterPrimitiveWrapper(
absl::make_unique<KeysetDeriverWrapper>());
if (!status.ok()) {
return status;
}
// Currently, no KeysetDeriver key managers only use FIPS-validated
// implementations, so none are registered in FIPS-only mode.
if (IsFipsModeEnabled()) {
return util::OkStatus();
}
// Register required key manager for PrfBasedDeriverKeyManager.
status = Registry::RegisterKeyTypeManager(
absl::make_unique<HkdfPrfKeyManager>(), true);
if (!status.ok()) {
return status;
}
// Register key managers.
return Registry::RegisterKeyTypeManager(
absl::make_unique<internal::PrfBasedDeriverKeyManager>(), true);
}
} // namespace tink
} // namespace crypto
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