1 /*
2 * Copyright (c) 2018-2022 Intel Corporation.
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
6 * are met:
7 * 1. Redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer in
9 * this position and unchanged.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 *
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24 * SUCH DAMAGE.
25 */
26
27 #ifndef __RPMB_SIM_H__
28 #define __RPMB_SIM_H__
29
swap32(uint32_t val)30 static inline uint32_t swap32(uint32_t val)
31 {
32 return ((val & (uint32_t)0x000000ffUL) << 24)
33 | ((val & (uint32_t)0x0000ff00UL) << 8)
34 | ((val & (uint32_t)0x00ff0000UL) >> 8)
35 | ((val & (uint32_t)0xff000000UL) >> 24);
36 }
37
swap16(uint16_t val)38 static inline uint16_t swap16(uint16_t val)
39 {
40 return ((val & (uint16_t)0x00ffU) << 8)
41 | ((val & (uint16_t)0xff00U) >> 8);
42 }
43
44 int rpmb_mac(const uint8_t *key, const struct rpmb_frame *frames,
45 size_t frame_cnt, uint8_t *mac);
46 int is_use_sim_rpmb(void);
47 int rpmb_sim_key_init(uint8_t *key);
48 int rpmb_sim_send(const void *r);
49
50 #endif /* __RPMB_SIM_H__ */
51