xref: /aosp_15_r20/external/federated-compute/fcp/secagg/testing/ecdh_pregenerated_test_keys.h (revision 14675a029014e728ec732f129a32e299b2da0601)
1 /*
2  * Copyright 2018 Google LLC
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 FCP_SECAGG_TESTING_ECDH_PREGENERATED_TEST_KEYS_H_
18 #define FCP_SECAGG_TESTING_ECDH_PREGENERATED_TEST_KEYS_H_
19 
20 #include <string>
21 #include <vector>
22 
23 #include "fcp/secagg/shared/ecdh_keys.h"
24 
25 namespace fcp {
26 namespace secagg {
27 
28 // This class contains some pregenerated ECDH public/private keypairs. In no
29 // actual implementation should pregenerated keys such as these be used.
30 class EcdhPregeneratedTestKeys {
31  public:
32   // Valid inputs for all functions are integers from 0 to kNumTestEcdhKeys.
33   static constexpr int kNumTestEcdhKeys = 8;
34 
35   EcdhPregeneratedTestKeys();
36 
37   // Returns a public or private key.
38   EcdhPrivateKey GetPrivateKey(size_t index);
39   EcdhPublicKey GetPublicKey(size_t index);
40 
41   // Returns a public or private key in the form of a string.
42   std::string GetPrivateKeyString(size_t index);
43   std::string GetPublicKeyString(size_t index);
44 
45   // Returns an uncompressed public key.
46   EcdhPublicKey GetUncompressedPublicKey(size_t index);
47   // Returns an uncompressed public key in the form of a string, with X.509
48   // header.
49   std::string GetUncompressedPublicKeyString(size_t index);
50 
51  private:
52   std::vector<const char*> private_key_strings_;
53   std::vector<const char*> public_key_strings_;
54   std::vector<EcdhPrivateKey> private_keys_;
55   std::vector<EcdhPublicKey> public_keys_;
56   std::vector<EcdhPublicKey> uncompressed_public_keys_;
57   std::vector<const char*> uncompressed_public_key_strings_;
58 };
59 }  // namespace secagg
60 }  // namespace fcp
61 
62 #endif  // FCP_SECAGG_TESTING_ECDH_PREGENERATED_TEST_KEYS_H_
63