security/nss/lib/freebl/mksp.c@6474c204b198 (annotated)
security/nss/lib/freebl/mksp.c
Wed, 31 Dec 2014 06:09:35 +0100
- author
- Michael Schloh von Bennewitz <michael@schloh.com>
- date
- Wed, 31 Dec 2014 06:09:35 +0100
- changeset 0
- 6474c204b198
- permissions
- -rw-r--r--
Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.
| michael@0 | 1 | /* |
| michael@0 | 2 | * mksp.c |
| michael@0 | 3 | * |
| michael@0 | 4 | * Generate SP tables for DES-150 library |
| michael@0 | 5 | * |
| michael@0 | 6 | * This Source Code Form is subject to the terms of the Mozilla Public |
| michael@0 | 7 | * License, v. 2.0. If a copy of the MPL was not distributed with this |
| michael@0 | 8 | * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ |
| michael@0 | 9 | |
| michael@0 | 10 | #include <stdio.h> |
| michael@0 | 11 | |
| michael@0 | 12 | /* |
| michael@0 | 13 | * sboxes - the tables for the s-box functions |
| michael@0 | 14 | * from FIPS 46, pages 15-16. |
| michael@0 | 15 | */ |
| michael@0 | 16 | unsigned char S[8][64] = { |
| michael@0 | 17 | /* Func S1 = */ { |
| michael@0 | 18 | 14, 0, 4, 15, 13, 7, 1, 4, 2, 14, 15, 2, 11, 13, 8, 1, |
| michael@0 | 19 | 3, 10, 10, 6, 6, 12, 12, 11, 5, 9, 9, 5, 0, 3, 7, 8, |
| michael@0 | 20 | 4, 15, 1, 12, 14, 8, 8, 2, 13, 4, 6, 9, 2, 1, 11, 7, |
| michael@0 | 21 | 15, 5, 12, 11, 9, 3, 7, 14, 3, 10, 10, 0, 5, 6, 0, 13 |
| michael@0 | 22 | }, |
| michael@0 | 23 | /* Func S2 = */ { |
| michael@0 | 24 | 15, 3, 1, 13, 8, 4, 14, 7, 6, 15, 11, 2, 3, 8, 4, 14, |
| michael@0 | 25 | 9, 12, 7, 0, 2, 1, 13, 10, 12, 6, 0, 9, 5, 11, 10, 5, |
| michael@0 | 26 | 0, 13, 14, 8, 7, 10, 11, 1, 10, 3, 4, 15, 13, 4, 1, 2, |
| michael@0 | 27 | 5, 11, 8, 6, 12, 7, 6, 12, 9, 0, 3, 5, 2, 14, 15, 9 |
| michael@0 | 28 | }, |
| michael@0 | 29 | /* Func S3 = */ { |
| michael@0 | 30 | 10, 13, 0, 7, 9, 0, 14, 9, 6, 3, 3, 4, 15, 6, 5, 10, |
| michael@0 | 31 | 1, 2, 13, 8, 12, 5, 7, 14, 11, 12, 4, 11, 2, 15, 8, 1, |
| michael@0 | 32 | 13, 1, 6, 10, 4, 13, 9, 0, 8, 6, 15, 9, 3, 8, 0, 7, |
| michael@0 | 33 | 11, 4, 1, 15, 2, 14, 12, 3, 5, 11, 10, 5, 14, 2, 7, 12 |
| michael@0 | 34 | }, |
| michael@0 | 35 | /* Func S4 = */ { |
| michael@0 | 36 | 7, 13, 13, 8, 14, 11, 3, 5, 0, 6, 6, 15, 9, 0, 10, 3, |
| michael@0 | 37 | 1, 4, 2, 7, 8, 2, 5, 12, 11, 1, 12, 10, 4, 14, 15, 9, |
| michael@0 | 38 | 10, 3, 6, 15, 9, 0, 0, 6, 12, 10, 11, 1, 7, 13, 13, 8, |
| michael@0 | 39 | 15, 9, 1, 4, 3, 5, 14, 11, 5, 12, 2, 7, 8, 2, 4, 14 |
| michael@0 | 40 | }, |
| michael@0 | 41 | /* Func S5 = */ { |
| michael@0 | 42 | 2, 14, 12, 11, 4, 2, 1, 12, 7, 4, 10, 7, 11, 13, 6, 1, |
| michael@0 | 43 | 8, 5, 5, 0, 3, 15, 15, 10, 13, 3, 0, 9, 14, 8, 9, 6, |
| michael@0 | 44 | 4, 11, 2, 8, 1, 12, 11, 7, 10, 1, 13, 14, 7, 2, 8, 13, |
| michael@0 | 45 | 15, 6, 9, 15, 12, 0, 5, 9, 6, 10, 3, 4, 0, 5, 14, 3 |
| michael@0 | 46 | }, |
| michael@0 | 47 | /* Func S6 = */ { |
| michael@0 | 48 | 12, 10, 1, 15, 10, 4, 15, 2, 9, 7, 2, 12, 6, 9, 8, 5, |
| michael@0 | 49 | 0, 6, 13, 1, 3, 13, 4, 14, 14, 0, 7, 11, 5, 3, 11, 8, |
| michael@0 | 50 | 9, 4, 14, 3, 15, 2, 5, 12, 2, 9, 8, 5, 12, 15, 3, 10, |
| michael@0 | 51 | 7, 11, 0, 14, 4, 1, 10, 7, 1, 6, 13, 0, 11, 8, 6, 13 |
| michael@0 | 52 | }, |
| michael@0 | 53 | /* Func S7 = */ { |
| michael@0 | 54 | 4, 13, 11, 0, 2, 11, 14, 7, 15, 4, 0, 9, 8, 1, 13, 10, |
| michael@0 | 55 | 3, 14, 12, 3, 9, 5, 7, 12, 5, 2, 10, 15, 6, 8, 1, 6, |
| michael@0 | 56 | 1, 6, 4, 11, 11, 13, 13, 8, 12, 1, 3, 4, 7, 10, 14, 7, |
| michael@0 | 57 | 10, 9, 15, 5, 6, 0, 8, 15, 0, 14, 5, 2, 9, 3, 2, 12 |
| michael@0 | 58 | }, |
| michael@0 | 59 | /* Func S8 = */ { |
| michael@0 | 60 | 13, 1, 2, 15, 8, 13, 4, 8, 6, 10, 15, 3, 11, 7, 1, 4, |
| michael@0 | 61 | 10, 12, 9, 5, 3, 6, 14, 11, 5, 0, 0, 14, 12, 9, 7, 2, |
| michael@0 | 62 | 7, 2, 11, 1, 4, 14, 1, 7, 9, 4, 12, 10, 14, 8, 2, 13, |
| michael@0 | 63 | 0, 15, 6, 12, 10, 9, 13, 0, 15, 3, 3, 5, 5, 6, 8, 11 |
| michael@0 | 64 | } |
| michael@0 | 65 | }; |
| michael@0 | 66 | |
| michael@0 | 67 | /* |
| michael@0 | 68 | * Permutation function for results from s-boxes |
| michael@0 | 69 | * from FIPS 46 pages 12 and 16. |
| michael@0 | 70 | * P = |
| michael@0 | 71 | */ |
| michael@0 | 72 | unsigned char P[32] = { |
| michael@0 | 73 | 16, 7, 20, 21, 29, 12, 28, 17, |
| michael@0 | 74 | 1, 15, 23, 26, 5, 18, 31, 10, |
| michael@0 | 75 | 2, 8, 24, 14, 32, 27, 3, 9, |
| michael@0 | 76 | 19, 13, 30, 6, 22, 11, 4, 25 |
| michael@0 | 77 | }; |
| michael@0 | 78 | |
| michael@0 | 79 | unsigned int Pinv[32]; |
| michael@0 | 80 | unsigned int SP[8][64]; |
| michael@0 | 81 | |
| michael@0 | 82 | void |
| michael@0 | 83 | makePinv(void) |
| michael@0 | 84 | { |
| michael@0 | 85 | int i; |
| michael@0 | 86 | unsigned int Pi = 0x80000000; |
| michael@0 | 87 | for (i = 0; i < 32; ++i) { |
| michael@0 | 88 | int j = 32 - P[i]; |
| michael@0 | 89 | Pinv[j] = Pi; |
| michael@0 | 90 | Pi >>= 1; |
| michael@0 | 91 | } |
| michael@0 | 92 | } |
| michael@0 | 93 | |
| michael@0 | 94 | void |
| michael@0 | 95 | makeSP(void) |
| michael@0 | 96 | { |
| michael@0 | 97 | int box; |
| michael@0 | 98 | for (box = 0; box < 8; ++box) { |
| michael@0 | 99 | int item; |
| michael@0 | 100 | printf("/* box S%d */ {\n", box + 1); |
| michael@0 | 101 | for (item = 0; item < 64; ++item ) { |
| michael@0 | 102 | unsigned int s = S[box][item]; |
| michael@0 | 103 | unsigned int val = 0; |
| michael@0 | 104 | unsigned int bitnum = (7-box) * 4; |
| michael@0 | 105 | for (; s; s >>= 1, ++bitnum) { |
| michael@0 | 106 | if (s & 1) { |
| michael@0 | 107 | val |= Pinv[bitnum]; |
| michael@0 | 108 | } |
| michael@0 | 109 | } |
| michael@0 | 110 | val = (val << 3) | (val >> 29); |
| michael@0 | 111 | SP[box][item] = val; |
| michael@0 | 112 | } |
| michael@0 | 113 | for (item = 0; item < 64; item += 4) { |
| michael@0 | 114 | printf("\t0x%08x, 0x%08x, 0x%08x, 0x%08x,\n", |
| michael@0 | 115 | SP[box][item], SP[box][item+1], SP[box][item+2], SP[box][item+3]); |
| michael@0 | 116 | } |
| michael@0 | 117 | printf(" },\n"); |
| michael@0 | 118 | } |
| michael@0 | 119 | } |
| michael@0 | 120 | |
| michael@0 | 121 | int |
| michael@0 | 122 | main() |
| michael@0 | 123 | { |
| michael@0 | 124 | makePinv(); |
| michael@0 | 125 | makeSP(); |
| michael@0 | 126 | return 0; |
| michael@0 | 127 | } |
