1/*- 2 * Copyright (c) 2005 Pawel Jakub Dawidek <pjd@FreeBSD.org> 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 unchanged lines hidden (view full) --- 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: head/sys/geom/eli/g_eli.h 161217 2006-08-11 18:39:58Z pjd $ |
27 */ 28 29#ifndef _G_ELI_H_ 30#define _G_ELI_H_ 31 32#include <sys/endian.h> 33#include <sys/errno.h> 34#include <sys/malloc.h> --- 16 unchanged lines hidden (view full) --- 51#define G_ELI_MAGIC "GEOM::ELI" 52#define G_ELI_SUFFIX ".eli" 53 54/* 55 * Version history: 56 * 0 - Initial version number. 57 * 1 - Added data authentication support (md_aalgo field and 58 * G_ELI_FLAG_AUTH flag). |
59 * 2 - Added G_ELI_FLAG_READONLY. |
60 */ |
61#define G_ELI_VERSION 2 |
62 63/* ON DISK FLAGS. */ 64/* Use random, onetime keys. */ 65#define G_ELI_FLAG_ONETIME 0x00000001 66/* Ask for the passphrase from the kernel, before mounting root. */ 67#define G_ELI_FLAG_BOOT 0x00000002 68/* Detach on last close, if we were open for writing. */ 69#define G_ELI_FLAG_WO_DETACH 0x00000004 --- 149 unchanged lines hidden (view full) --- 219 MD5Init(&ctx); 220 MD5Update(&ctx, data, p - data); 221 MD5Final(md->md_hash, &ctx); 222 if (bcmp(md->md_hash, p, 16) != 0) 223 return (EINVAL); 224 return (0); 225} 226static __inline int |
227eli_metadata_decode_v1v2(const u_char *data, struct g_eli_metadata *md) |
228{ 229 MD5_CTX ctx; 230 const u_char *p; 231 232 p = data + sizeof(md->md_magic) + sizeof(md->md_version); 233 md->md_flags = le32dec(p); p += sizeof(md->md_flags); 234 md->md_ealgo = le16dec(p); p += sizeof(md->md_ealgo); 235 md->md_keylen = le16dec(p); p += sizeof(md->md_keylen); --- 18 unchanged lines hidden (view full) --- 254 255 bcopy(data, md->md_magic, sizeof(md->md_magic)); 256 md->md_version = le32dec(data + sizeof(md->md_magic)); 257 switch (md->md_version) { 258 case 0: 259 error = eli_metadata_decode_v0(data, md); 260 break; 261 case 1: |
262 case 2: 263 error = eli_metadata_decode_v1v2(data, md); |
264 break; 265 default: 266 error = EINVAL; 267 break; 268 } 269 return (error); 270} 271#endif /* !_OpenSSL */ --- 214 unchanged lines hidden --- |