intake.h revision 329099 
1/*-
2 * Copyright (c) 2016 Eric McCorkle
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 *    notice, this list of conditions and the following disclaimer.
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 * $FreeBSD: stable/11/sys/crypto/intake.h 329099 2018-02-10 04:37:44Z kevans $
27 */
28
29#ifndef _INTAKE_H_
30#define _INTAKE_H_
31
32#include  <sys/param.h>
33
34/*
35 * This file provides an interface for providing keys to the kernel
36 * during boot time.
37 */
38
39#define MAX_KEY_BITS	4096
40#define	MAX_KEY_BYTES	(MAX_KEY_BITS / NBBY)
41
42#define KEYBUF_SENTINEL	0xcee54b5d	/* KEYS4BSD */
43
44enum {
45        KEYBUF_TYPE_NONE,
46        KEYBUF_TYPE_GELI
47};
48
49struct keybuf_ent {
50        unsigned int ke_type;
51        char ke_data[MAX_KEY_BYTES];
52};
53
54struct keybuf {
55        unsigned int kb_nents;
56        struct keybuf_ent kb_ents[];
57};
58
59#ifdef _KERNEL
60/* Get the key intake buffer */
61extern struct keybuf* get_keybuf(void);
62#endif
63
64#endif
65