xref: /aosp_15_r20/external/tink/cc/daead/failing_daead.h (revision e7b1675dde1b92d52ec075b0a92829627f2c52a5)
1 // Copyright 2022 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 #ifndef TINK_DAEAD_FAILING_DAEAD_H_
17 #define TINK_DAEAD_FAILING_DAEAD_H_
18 
19 #include <memory>
20 #include <string>
21 
22 #include "absl/strings/string_view.h"
23 #include "tink/deterministic_aead.h"
24 
25 namespace crypto {
26 namespace tink {
27 
28 // Returns a deterministic AEAD which will always return an error when calling
29 // EncryptDeterministically or DecryptDeterministically. The error message will
30 // contain `message`.
31 std::unique_ptr<DeterministicAead> CreateAlwaysFailingDeterministicAead(
32     std::string message = "");
33 
34 }  // namespace tink
35 }  // namespace crypto
36 
37 #endif  // TINK_DAEAD_FAILING_DAEAD_H_
38