1 // Copyright 2019 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/subtle/hybrid_test_util.h"
18
19 #include "absl/status/status.h"
20
21 namespace crypto {
22 namespace tink {
23
HybridEncryptThenDecrypt(HybridEncrypt * encrypter,HybridDecrypt * decrypter,absl::string_view plaintext,absl::string_view context_info)24 crypto::tink::util::Status HybridEncryptThenDecrypt(
25 HybridEncrypt* encrypter, HybridDecrypt* decrypter,
26 absl::string_view plaintext, absl::string_view context_info) {
27 auto ciphertext = encrypter->Encrypt(plaintext, context_info);
28 if (!ciphertext.ok()) return ciphertext.status();
29
30 auto decryption = decrypter->Decrypt(ciphertext.value(), context_info);
31 if (!decryption.ok()) return decryption.status();
32
33 if (decryption.value() != plaintext) {
34 return crypto::tink::util::Status(absl::StatusCode::kInvalidArgument,
35 "decryption and encryption differ");
36 }
37 return util::OkStatus();
38 }
39
40 } // namespace tink
41 } // namespace crypto
42