xref: /aosp_15_r20/external/tink/cc/signature/public_key_verify_wrapper.h (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 #ifndef TINK_SIGNATURE_PUBLIC_KEY_VERIFY_WRAPPER_H_
18 #define TINK_SIGNATURE_PUBLIC_KEY_VERIFY_WRAPPER_H_
19 
20 #include <memory>
21 
22 #include "absl/strings/string_view.h"
23 #include "tink/primitive_set.h"
24 #include "tink/primitive_wrapper.h"
25 #include "tink/public_key_verify.h"
26 #include "tink/util/status.h"
27 #include "tink/util/statusor.h"
28 #include "proto/tink.pb.h"
29 
30 namespace crypto {
31 namespace tink {
32 
33 // Wraps a set of PublicKeyVerify-instances that correspond to a keyset,
34 // and combines them into a single PublicKeyVerify-primitive,
35 // that for the actual verification uses the instance that matches the
36 // signature prefix.
37 class PublicKeyVerifyWrapper
38     : public PrimitiveWrapper<PublicKeyVerify, PublicKeyVerify> {
39  public:
40   // Returns an PublicKeyVerify-primitive that uses the primary
41   // PublicKeyVerify-instance provided in 'public_key_verify_set',
42   // which must be non-NULL (and must contain a primary instance).
43   crypto::tink::util::StatusOr<std::unique_ptr<PublicKeyVerify>> Wrap(
44       std::unique_ptr<PrimitiveSet<PublicKeyVerify>> public_key_verify_set)
45       const override;
46 };
47 
48 }  // namespace tink
49 }  // namespace crypto
50 
51 #endif  // TINK_SIGNATURE_PUBLIC_KEY_VERIFY_WRAPPER_H_
52