| Michael Brown | 0287929 | 2015-04-12 15:53:39 +0100 | [diff] [blame] | 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> |
| Michael Brown | 0287929 | 2015-04-12 15:53:39 +0100 | [diff] [blame] | 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 | }; |
