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Diffstat (limited to 'nss/lib/freebl/mksp.c')
| -rw-r--r-- | nss/lib/freebl/mksp.c | 119 |
1 files changed, 119 insertions, 0 deletions
diff --git a/nss/lib/freebl/mksp.c b/nss/lib/freebl/mksp.c new file mode 100644 index 0000000..ca83ac8 --- /dev/null +++ b/nss/lib/freebl/mksp.c @@ -0,0 +1,119 @@ +/* + * mksp.c + * + * Generate SP tables for DES-150 library + * + * This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ + +#include <stdio.h> + +/* + * sboxes - the tables for the s-box functions + * from FIPS 46, pages 15-16. + */ +unsigned char S[8][64] = { + /* Func S1 = */ + { 14, 0, 4, 15, 13, 7, 1, 4, 2, 14, 15, 2, 11, 13, 8, 1, + 3, 10, 10, 6, 6, 12, 12, 11, 5, 9, 9, 5, 0, 3, 7, 8, + 4, 15, 1, 12, 14, 8, 8, 2, 13, 4, 6, 9, 2, 1, 11, 7, + 15, 5, 12, 11, 9, 3, 7, 14, 3, 10, 10, 0, 5, 6, 0, 13 }, + /* Func S2 = */ + { 15, 3, 1, 13, 8, 4, 14, 7, 6, 15, 11, 2, 3, 8, 4, 14, + 9, 12, 7, 0, 2, 1, 13, 10, 12, 6, 0, 9, 5, 11, 10, 5, + 0, 13, 14, 8, 7, 10, 11, 1, 10, 3, 4, 15, 13, 4, 1, 2, + 5, 11, 8, 6, 12, 7, 6, 12, 9, 0, 3, 5, 2, 14, 15, 9 }, + /* Func S3 = */ + { 10, 13, 0, 7, 9, 0, 14, 9, 6, 3, 3, 4, 15, 6, 5, 10, + 1, 2, 13, 8, 12, 5, 7, 14, 11, 12, 4, 11, 2, 15, 8, 1, + 13, 1, 6, 10, 4, 13, 9, 0, 8, 6, 15, 9, 3, 8, 0, 7, + 11, 4, 1, 15, 2, 14, 12, 3, 5, 11, 10, 5, 14, 2, 7, 12 }, + /* Func S4 = */ + { 7, 13, 13, 8, 14, 11, 3, 5, 0, 6, 6, 15, 9, 0, 10, 3, + 1, 4, 2, 7, 8, 2, 5, 12, 11, 1, 12, 10, 4, 14, 15, 9, + 10, 3, 6, 15, 9, 0, 0, 6, 12, 10, 11, 1, 7, 13, 13, 8, + 15, 9, 1, 4, 3, 5, 14, 11, 5, 12, 2, 7, 8, 2, 4, 14 }, + /* Func S5 = */ + { 2, 14, 12, 11, 4, 2, 1, 12, 7, 4, 10, 7, 11, 13, 6, 1, + 8, 5, 5, 0, 3, 15, 15, 10, 13, 3, 0, 9, 14, 8, 9, 6, + 4, 11, 2, 8, 1, 12, 11, 7, 10, 1, 13, 14, 7, 2, 8, 13, + 15, 6, 9, 15, 12, 0, 5, 9, 6, 10, 3, 4, 0, 5, 14, 3 }, + /* Func S6 = */ + { 12, 10, 1, 15, 10, 4, 15, 2, 9, 7, 2, 12, 6, 9, 8, 5, + 0, 6, 13, 1, 3, 13, 4, 14, 14, 0, 7, 11, 5, 3, 11, 8, + 9, 4, 14, 3, 15, 2, 5, 12, 2, 9, 8, 5, 12, 15, 3, 10, + 7, 11, 0, 14, 4, 1, 10, 7, 1, 6, 13, 0, 11, 8, 6, 13 }, + /* Func S7 = */ + { 4, 13, 11, 0, 2, 11, 14, 7, 15, 4, 0, 9, 8, 1, 13, 10, + 3, 14, 12, 3, 9, 5, 7, 12, 5, 2, 10, 15, 6, 8, 1, 6, + 1, 6, 4, 11, 11, 13, 13, 8, 12, 1, 3, 4, 7, 10, 14, 7, + 10, 9, 15, 5, 6, 0, 8, 15, 0, 14, 5, 2, 9, 3, 2, 12 }, + /* Func S8 = */ + { 13, 1, 2, 15, 8, 13, 4, 8, 6, 10, 15, 3, 11, 7, 1, 4, + 10, 12, 9, 5, 3, 6, 14, 11, 5, 0, 0, 14, 12, 9, 7, 2, + 7, 2, 11, 1, 4, 14, 1, 7, 9, 4, 12, 10, 14, 8, 2, 13, + 0, 15, 6, 12, 10, 9, 13, 0, 15, 3, 3, 5, 5, 6, 8, 11 } +}; + +/* + * Permutation function for results from s-boxes + * from FIPS 46 pages 12 and 16. + * P = + */ +unsigned char P[32] = { + 16, 7, 20, 21, 29, 12, 28, 17, + 1, 15, 23, 26, 5, 18, 31, 10, + 2, 8, 24, 14, 32, 27, 3, 9, + 19, 13, 30, 6, 22, 11, 4, 25 +}; + +unsigned int Pinv[32]; +unsigned int SP[8][64]; + +void +makePinv(void) +{ + int i; + unsigned int Pi = 0x80000000; + for (i = 0; i < 32; ++i) { + int j = 32 - P[i]; + Pinv[j] = Pi; + Pi >>= 1; + } +} + +void +makeSP(void) +{ + int box; + for (box = 0; box < 8; ++box) { + int item; + printf("/* box S%d */ {\n", box + 1); + for (item = 0; item < 64; ++item) { + unsigned int s = S[box][item]; + unsigned int val = 0; + unsigned int bitnum = (7 - box) * 4; + for (; s; s >>= 1, ++bitnum) { + if (s & 1) { + val |= Pinv[bitnum]; + } + } + val = (val << 3) | (val >> 29); + SP[box][item] = val; + } + for (item = 0; item < 64; item += 4) { + printf("\t0x%08x, 0x%08x, 0x%08x, 0x%08x,\n", + SP[box][item], SP[box][item + 1], SP[box][item + 2], SP[box][item + 3]); + } + printf(" },\n"); + } +} + +int +main() +{ + makePinv(); + makeSP(); + return 0; +} |