| // Copyright 2015 The Chromium Authors |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #ifndef COMPONENTS_GCM_DRIVER_CRYPTO_P256_KEY_UTIL_H_ |
| #define COMPONENTS_GCM_DRIVER_CRYPTO_P256_KEY_UTIL_H_ |
| |
| #include <string> |
| #include <string_view> |
| |
| #include "crypto/keypair.h" |
| |
| namespace gcm { |
| |
| // Computes the shared secret between |key| and |peer_public_key|.The |
| // |peer_public_key| must be an octet string in uncompressed form per |
| // SEC1 2.3.3. |
| // |
| // Returns whether the secret could be computed, and was written to the out |
| // argument. |
| [[nodiscard]] bool ComputeSharedP256Secret(crypto::keypair::PrivateKey key, |
| std::string_view peer_public_key, |
| std::string* out_shared_secret); |
| |
| } // namespace gcm |
| |
| #endif // COMPONENTS_GCM_DRIVER_CRYPTO_P256_KEY_UTIL_H_ |
