1/*- 2 * Copyright (c) 2005-2006 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 162353 2006-09-16 10:43:17Z 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> --- 19 unchanged lines hidden (view full) --- 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 * - IV is generated from offset converted to little-endian 61 * (flag G_ELI_FLAG_NATIVE_BYTE_ORDER will be set for older versions). |
62 * 3 - Added 'configure' subcommand. |
63 */ |
64#define G_ELI_VERSION 3 |
65 66/* ON DISK FLAGS. */ 67/* Use random, onetime keys. */ 68#define G_ELI_FLAG_ONETIME 0x00000001 69/* Ask for the passphrase from the kernel, before mounting root. */ 70#define G_ELI_FLAG_BOOT 0x00000002 71/* Detach on last close, if we were open for writing. */ 72#define G_ELI_FLAG_WO_DETACH 0x00000004 --- 151 unchanged lines hidden (view full) --- 224 MD5Init(&ctx); 225 MD5Update(&ctx, data, p - data); 226 MD5Final(md->md_hash, &ctx); 227 if (bcmp(md->md_hash, p, 16) != 0) 228 return (EINVAL); 229 return (0); 230} 231static __inline int |
232eli_metadata_decode_v1v2v3(const u_char *data, struct g_eli_metadata *md) |
233{ 234 MD5_CTX ctx; 235 const u_char *p; 236 237 p = data + sizeof(md->md_magic) + sizeof(md->md_version); 238 md->md_flags = le32dec(p); p += sizeof(md->md_flags); 239 md->md_ealgo = le16dec(p); p += sizeof(md->md_ealgo); 240 md->md_keylen = le16dec(p); p += sizeof(md->md_keylen); --- 19 unchanged lines hidden (view full) --- 260 bcopy(data, md->md_magic, sizeof(md->md_magic)); 261 md->md_version = le32dec(data + sizeof(md->md_magic)); 262 switch (md->md_version) { 263 case 0: 264 error = eli_metadata_decode_v0(data, md); 265 break; 266 case 1: 267 case 2: |
268 case 3: 269 error = eli_metadata_decode_v1v2v3(data, md); |
270 break; 271 default: 272 error = EINVAL; 273 break; 274 } 275 return (error); 276} 277#endif /* !_OpenSSL */ --- 214 unchanged lines hidden --- |