xref: /aosp_15_r20/external/tink/cc/experimental/pqcrypto/kem/cecpq2_hybrid_config.cc (revision e7b1675dde1b92d52ec075b0a92829627f2c52a5)
1 // Copyright 2021 Google LLC
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/experimental/pqcrypto/kem/cecpq2_hybrid_config.h"
18 
19 #include "absl/memory/memory.h"
20 #include "tink/aead/aead_config.h"
21 #include "tink/config/tink_fips.h"
22 #include "tink/experimental/pqcrypto/kem/cecpq2_aead_hkdf_private_key_manager.h"
23 #include "tink/experimental/pqcrypto/kem/cecpq2_aead_hkdf_public_key_manager.h"
24 #include "tink/hybrid/hybrid_decrypt_wrapper.h"
25 #include "tink/hybrid/hybrid_encrypt_wrapper.h"
26 #include "tink/registry.h"
27 #include "tink/util/status.h"
28 
29 namespace crypto {
30 namespace tink {
31 
Cecpq2HybridConfigRegister()32 util::Status Cecpq2HybridConfigRegister() {
33   auto status = AeadConfig::Register();
34   if (!status.ok()) return status;
35 
36   // Register primitive wrappers
37   status = Registry::RegisterPrimitiveWrapper(
38       absl::make_unique<HybridEncryptWrapper>());
39   if (!status.ok()) return status;
40   status = Registry::RegisterPrimitiveWrapper(
41       absl::make_unique<HybridDecryptWrapper>());
42   if (!status.ok()) return status;
43 
44   // Currently there are no CECPQ2 hybrid encryption key managers which only use
45   // FIPS-validated implementations, therefore none will be registered in
46   // FIPS only mode
47   if (IsFipsModeEnabled()) {
48     return util::OkStatus();
49   }
50 
51   // Register non-FIPS hybrid-hybrid key managers
52   status = Registry::RegisterAsymmetricKeyManagers(
53       absl::make_unique<Cecpq2AeadHkdfPrivateKeyManager>(),
54       absl::make_unique<Cecpq2AeadHkdfPublicKeyManager>(), true);
55   if (!status.ok()) return status;
56 
57   return util::OkStatus();
58 }
59 
60 }  // namespace tink
61 }  // namespace crypto
62