1 /*- 2 * Copyright (c) 2015 Allan Jude <allanjude@FreeBSD.org> 3 * Copyright (c) 2005-2011 Pawel Jakub Dawidek <pawel@dawidek.net> 4 * All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 15 * THIS SOFTWARE IS PROVIDED BY THE AUTHORS AND CONTRIBUTORS ``AS IS'' AND 16 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 18 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE LIABLE 19 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 20 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 21 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 22 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 23 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 24 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 25 * SUCH DAMAGE. 26 * 27 * $FreeBSD$ 28 */ 29 30 #include <crypto/intake.h> 31 32 #ifndef _GELIBOOT_H_ 33 #define _GELIBOOT_H_ 34 35 #ifndef DEV_BSIZE 36 #define DEV_BSIZE 512 37 #endif 38 #ifndef DEV_GELIBOOT_BSIZE 39 #define DEV_GELIBOOT_BSIZE 4096 40 #endif 41 42 #ifndef MIN 43 #define MIN(a,b) (((a) < (b)) ? (a) : (b)) 44 #endif 45 46 #define GELI_MAX_KEYS 64 47 #define GELI_PW_MAXLEN 256 48 49 extern void pwgets(char *buf, int n, int hide); 50 51 struct dsk; 52 53 void geli_init(void); 54 int geli_taste(int read_func(void *vdev, void *priv, off_t off, 55 void *buf, size_t bytes), struct dsk *dsk, daddr_t lastsector); 56 int is_geli(struct dsk *dsk); 57 int geli_read(struct dsk *dsk, off_t offset, u_char *buf, size_t bytes); 58 int geli_decrypt(u_int algo, u_char *data, size_t datasize, 59 const u_char *key, size_t keysize, const uint8_t* iv); 60 int geli_havekey(struct dsk *dskp); 61 int geli_passphrase(char *pw, int disk, int parttype, int part, struct dsk *dskp); 62 63 int geliboot_crypt(u_int algo, int enc, u_char *data, size_t datasize, 64 const u_char *key, size_t keysize, u_char *iv); 65 66 void geli_fill_keybuf(struct keybuf *keybuf); 67 void geli_save_keybuf(struct keybuf *keybuf); 68 69 #endif /* _GELIBOOT_H_ */ 70