xref: /aosp_15_r20/external/tink/cc/aead/aead_factory.cc (revision e7b1675dde1b92d52ec075b0a92829627f2c52a5)
1 // Copyright 2017 Google Inc.
2 //
3 // Licensed under the Apache License, Version 2.0 (the "License");
4 // you may not use this file except in compliance with the License.
5 // You may obtain a copy of the License at
6 //
7 //     http://www.apache.org/licenses/LICENSE-2.0
8 //
9 // Unless required by applicable law or agreed to in writing, software
10 // distributed under the License is distributed on an "AS IS" BASIS,
11 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 // See the License for the specific language governing permissions and
13 // limitations under the License.
14 //
15 ///////////////////////////////////////////////////////////////////////////////
16 
17 #include "tink/aead/aead_factory.h"
18 
19 #include <memory>
20 
21 #include "absl/memory/memory.h"
22 #include "tink/aead.h"
23 #include "tink/aead/aead_wrapper.h"
24 #include "tink/key_manager.h"
25 #include "tink/keyset_handle.h"
26 #include "tink/registry.h"
27 #include "tink/util/status.h"
28 #include "tink/util/statusor.h"
29 
30 namespace crypto {
31 namespace tink {
32 
33 // static
GetPrimitive(const KeysetHandle & keyset_handle)34 util::StatusOr<std::unique_ptr<Aead>> AeadFactory::GetPrimitive(
35     const KeysetHandle& keyset_handle) {
36   util::Status status =
37       Registry::RegisterPrimitiveWrapper(absl::make_unique<AeadWrapper>());
38   if (!status.ok()) {
39     return status;
40   }
41   return keyset_handle.GetPrimitive<Aead>();
42 }
43 
44 // static
GetPrimitive(const KeysetHandle & keyset_handle,const KeyManager<Aead> * custom_key_manager)45 util::StatusOr<std::unique_ptr<Aead>> AeadFactory::GetPrimitive(
46     const KeysetHandle& keyset_handle,
47     const KeyManager<Aead>* custom_key_manager) {
48   util::Status status =
49       Registry::RegisterPrimitiveWrapper(absl::make_unique<AeadWrapper>());
50   if (!status.ok()) {
51     return status;
52   }
53   return keyset_handle.GetPrimitive<Aead>(custom_key_manager);
54 }
55 
56 }  // namespace tink
57 }  // namespace crypto
58