| // Copyright (c) 2013 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #ifndef CRYPTO_HKDF_H_ |
| #define CRYPTO_HKDF_H_ |
| |
| #include <stddef.h> |
| |
| #include <string> |
| |
| #include "base/strings/string_piece.h" |
| #include "crypto/crypto_export.h" |
| |
| namespace crypto { |
| |
| CRYPTO_EXPORT |
| std::string HkdfSha256(base::StringPiece secret, |
| base::StringPiece salt, |
| base::StringPiece info, |
| size_t derived_key_size); |
| |
| } // namespace crypto |
| |
| #endif // CRYPTO_HKDF_H_ |