2 * Copyright (c) 2015 Allan Jude <allanjude@FreeBSD.org>
3 * Copyright (c) 2005-2011 Pawel Jakub Dawidek <pawel@dawidek.net>
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
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.
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
30 #include <crypto/intake.h>
38 #ifndef DEV_GELIBOOT_BSIZE
39 #define DEV_GELIBOOT_BSIZE 4096
43 #define MIN(a,b) (((a) < (b)) ? (a) : (b))
46 #define GELI_MAX_KEYS 64
47 #define GELI_PW_MAXLEN 256
49 extern void pwgets(char *buf, int n);
52 int geli_taste(int read_func(void *vdev, void *priv, off_t off,
53 void *buf, size_t bytes), struct dsk *dsk, daddr_t lastsector);
54 int geli_attach(struct dsk *dskp, const char *passphrase, const u_char *mkeyp);
55 int is_geli(struct dsk *dsk);
56 int geli_read(struct dsk *dsk, off_t offset, u_char *buf, size_t bytes);
57 int geli_decrypt(u_int algo, u_char *data, size_t datasize,
58 const u_char *key, size_t keysize, const uint8_t* iv);
59 int geli_havekey(struct dsk *dskp);
60 int geli_passphrase(char *pw, int disk, int parttype, int part, struct dsk *dskp);
62 int geliboot_crypt(u_int algo, int enc, u_char *data, size_t datasize,
63 const u_char *key, size_t keysize, u_char *iv);
65 void geli_fill_keybuf(struct keybuf *keybuf);
66 void geli_save_keybuf(struct keybuf *keybuf);
68 #endif /* _GELIBOOT_H_ */