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 * $FreeBSD$ 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 44 enum { 45 KEYBUF_TYPE_NONE, 46 KEYBUF_TYPE_GELI 47 }; 48 49 struct keybuf_ent { 50 unsigned int ke_type; 51 char ke_data[MAX_KEY_BYTES]; 52 }; 53 54 struct keybuf { 55 unsigned int kb_nents; 56 struct keybuf_ent kb_ents[]; 57 }; 58 59 #ifdef _KERNEL 60 /* Get the key intake buffer */ 61 extern struct keybuf* get_keybuf(void); 62 #endif 63 64 #endif 65