[efi] Disable EFI watchdog timer when shutting down to boot an OS
[ipxe.git] / src / crypto / sha384.c
1 /*
2 * Copyright (C) 2015 Michael Brown <mbrown@fensystems.co.uk>.
3 *
4 * This program is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU General Public License as
6 * published by the Free Software Foundation; either version 2 of the
7 * License, or any later version.
8 *
9 * This program is distributed in the hope that it will be useful, but
10 * WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 * General Public License for more details.
13 *
14 * You should have received a copy of the GNU General Public License
15 * along with this program; if not, write to the Free Software
16 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
17 * 02110-1301, USA.
18 *
19 * You can also choose to distribute this program under the terms of
20 * the Unmodified Binary Distribution Licence (as given in the file
21 * COPYING.UBDL), provided that you have satisfied its requirements.
22 */
23
24 FILE_LICENCE ( GPL2_OR_LATER_OR_UBDL );
25
26 /** @file
27 *
28 * SHA-384 algorithm
29 *
30 */
31
32 #include <stdint.h>
33 #include <byteswap.h>
34 #include <ipxe/crypto.h>
35 #include <ipxe/sha512.h>
36
37 /** SHA-384 initial digest values */
38 static const struct sha512_digest sha384_init_digest = {
39 .h = {
40 cpu_to_be64 ( 0xcbbb9d5dc1059ed8ULL ),
41 cpu_to_be64 ( 0x629a292a367cd507ULL ),
42 cpu_to_be64 ( 0x9159015a3070dd17ULL ),
43 cpu_to_be64 ( 0x152fecd8f70e5939ULL ),
44 cpu_to_be64 ( 0x67332667ffc00b31ULL ),
45 cpu_to_be64 ( 0x8eb44a8768581511ULL ),
46 cpu_to_be64 ( 0xdb0c2e0d64f98fa7ULL ),
47 cpu_to_be64 ( 0x47b5481dbefa4fa4ULL ),
48 },
49 };
50
51 /**
52 * Initialise SHA-384 algorithm
53 *
54 * @v ctx SHA-384 context
55 */
56 static void sha384_init ( void *ctx ) {
57 struct sha512_context *context = ctx;
58
59 sha512_family_init ( context, &sha384_init_digest, SHA384_DIGEST_SIZE );
60 }
61
62 /** SHA-384 algorithm */
63 struct digest_algorithm sha384_algorithm = {
64 .name = "sha384",
65 .ctxsize = sizeof ( struct sha512_context ),
66 .blocksize = sizeof ( union sha512_block ),
67 .digestsize = SHA384_DIGEST_SIZE,
68 .init = sha384_init,
69 .update = sha512_update,
70 .final = sha512_final,
71 };