1 //
2 // Copyright (C) 2019 The Android Open Source Project
3 //
4 // Licensed under the Apache License, Version 2.0 (the "License");
5 // you may not use this file except in compliance with the License.
6 // You may obtain a copy of the License at
7 //
8 //      http://www.apache.org/licenses/LICENSE-2.0
9 //
10 // Unless required by applicable law or agreed to in writing, software
11 // distributed under the License is distributed on an "AS IS" BASIS,
12 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 // See the License for the specific language governing permissions and
14 // limitations under the License.
15 //
16 
17 #ifndef UPDATE_ENGINE_CERTIFICATE_PARSER_INTERFACE_H_
18 #define UPDATE_ENGINE_CERTIFICATE_PARSER_INTERFACE_H_
19 
20 #include <memory>
21 #include <string>
22 #include <vector>
23 
24 #include <openssl/pem.h>
25 
26 namespace chromeos_update_engine {
27 
28 // This class parses the PEM encoded X509 certificates from |path|; and
29 // passes the parsed public keys to the caller.
30 class CertificateParserInterface {
31  public:
32   virtual ~CertificateParserInterface() = default;
33 
34   virtual bool ReadPublicKeysFromCertificates(
35       const std::string& path,
36       std::vector<std::unique_ptr<EVP_PKEY, decltype(&EVP_PKEY_free)>>*
37           out_public_keys) = 0;
38 };
39 
40 std::unique_ptr<CertificateParserInterface> CreateCertificateParser();
41 
42 }  // namespace chromeos_update_engine
43 
44 #endif
45