1 // Copyright 2021 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_INTERNAL_SSL_UTIL_H_
17 #define TINK_INTERNAL_SSL_UTIL_H_
18
19 // Every header in BoringSSL includes base.h, which in turn defines
20 // OPENSSL_IS_BORINGSSL. So we include this common header here to "force" the
21 // definition of OPENSSL_IS_BORINGSSL in case BoringSSL is used.
22 #include "openssl/crypto.h"
23
24 namespace crypto {
25 namespace tink {
26 namespace internal {
27
28 // Returns true if currently using BoringSSL; false (OpenSSL) otherwise.
IsBoringSsl()29 inline bool IsBoringSsl() {
30 #ifdef OPENSSL_IS_BORINGSSL
31 return true;
32 #else
33 return false;
34 #endif
35 }
36
37 } // namespace internal
38 } // namespace tink
39 } // namespace crypto
40
41 #endif // TINK_INTERNAL_SSL_UTIL_H_
42