freebsd-dev/stand/geli/geliboot.h
2017-11-14 23:02:19 +00:00

70 lines
2.5 KiB
C

/*-
* Copyright (c) 2015 Allan Jude <allanjude@FreeBSD.org>
* Copyright (c) 2005-2011 Pawel Jakub Dawidek <pawel@dawidek.net>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHORS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* $FreeBSD$
*/
#include <crypto/intake.h>
#ifndef _GELIBOOT_H_
#define _GELIBOOT_H_
#ifndef DEV_BSIZE
#define DEV_BSIZE 512
#endif
#ifndef DEV_GELIBOOT_BSIZE
#define DEV_GELIBOOT_BSIZE 4096
#endif
#ifndef MIN
#define MIN(a,b) (((a) < (b)) ? (a) : (b))
#endif
#define GELI_MAX_KEYS 64
#define GELI_PW_MAXLEN 256
extern void pwgets(char *buf, int n, int hide);
struct dsk;
void geli_init(void);
int geli_taste(int read_func(void *vdev, void *priv, off_t off,
void *buf, size_t bytes), struct dsk *dsk, daddr_t lastsector);
int is_geli(struct dsk *dsk);
int geli_read(struct dsk *dsk, off_t offset, u_char *buf, size_t bytes);
int geli_decrypt(u_int algo, u_char *data, size_t datasize,
const u_char *key, size_t keysize, const uint8_t* iv);
int geli_havekey(struct dsk *dskp);
int geli_passphrase(char *pw, int disk, int parttype, int part, struct dsk *dskp);
int geliboot_crypt(u_int algo, int enc, u_char *data, size_t datasize,
const u_char *key, size_t keysize, u_char *iv);
void geli_fill_keybuf(struct keybuf *keybuf);
void geli_save_keybuf(struct keybuf *keybuf);
#endif /* _GELIBOOT_H_ */