| /* Copyright 2016 The ChromiumOS Authors |
| * Use of this source code is governed by a BSD-style license that can be |
| * found in the LICENSE file. |
| */ |
| |
| #ifndef VBOOT_REFERENCE_2HMAC_H_ |
| #define VBOOT_REFERENCE_2HMAC_H_ |
| |
| #include <stdint.h> |
| #include "2crypto.h" |
| #include "2sha.h" |
| |
| /** |
| * Compute HMAC |
| * |
| * @param allow_hwcrypto false to forbid HW crypto by policy; true to allow. |
| * @param alg Hash algorithm ID |
| * @param key HMAC key |
| * @param key_size HMAC key size |
| * @param msg Message to compute HMAC for |
| * @param msg_size Message size |
| * @param mac vb2_hash structure to fill with the mac of |msg| |
| * @return |
| */ |
| int vb2_hmac_calculate(bool allow_hwcrypto, enum vb2_hash_algorithm alg, const void *key, |
| uint32_t key_size, const void *msg, uint32_t msg_size, |
| struct vb2_hash *mac); |
| |
| #endif /* VBOOT_REFERENCE_2HMAC_H_ */ |
