| // Copyright 2017 The Fuchsia 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 SRC_LEDGER_BIN_ENCRYPTION_PRIMITIVES_HMAC_H_ |
| #define SRC_LEDGER_BIN_ENCRYPTION_PRIMITIVES_HMAC_H_ |
| |
| #include "third_party/abseil-cpp/absl/strings/string_view.h" |
| |
| namespace encryption { |
| // Compute the HMAC defined by RFC 2104 using SHA-256 for the hash algorithm. |
| // |key| must be at least 256 bits long. |
| std::string SHA256HMAC(absl::string_view key, absl::string_view data); |
| } // namespace encryption |
| |
| #endif // SRC_LEDGER_BIN_ENCRYPTION_PRIMITIVES_HMAC_H_ |
