X-Git-Url: https://git.distorted.org.uk/u/mdw/catacomb/blobdiff_plain/0ba18b905ee653e04e60d31a0253b8adcd9b723b..813390c45f438f411662b1a55678e63f11681eb4:/noekeon.c diff --git a/noekeon.c b/noekeon.c index 3d0bcba..9e0f295 100644 --- a/noekeon.c +++ b/noekeon.c @@ -1,13 +1,13 @@ /* -*-c-*- * - * $Id: noekeon.c,v 1.1 2001/05/08 22:17:41 mdw Exp $ + * $Id: noekeon.c,v 1.3 2004/04/08 01:36:15 mdw Exp $ * * The Noekeon block cipher * * (c) 2001 Straylight/Edgeware */ -/*----- Licensing notice --------------------------------------------------* +/*----- Licensing notice --------------------------------------------------* * * This file is part of Catacomb. * @@ -15,26 +15,18 @@ * it under the terms of the GNU Library General Public License as * published by the Free Software Foundation; either version 2 of the * License, or (at your option) any later version. - * + * * Catacomb is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU Library General Public License for more details. - * + * * You should have received a copy of the GNU Library General Public * License along with Catacomb; if not, write to the Free * Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, * MA 02111-1307, USA. */ -/*----- Revision history --------------------------------------------------* - * - * $Log: noekeon.c,v $ - * Revision 1.1 2001/05/08 22:17:41 mdw - * New cipher Noekeon added. - * - */ - /*----- Header files ------------------------------------------------------*/ #include @@ -54,8 +46,8 @@ const octet noekeon_keysz[] = { KSZ_SET, NOEKEON_KEYSZ, 0 }; /* --- To generate the magic --- * * - * perl -e'@r=();$x=0x80;for(0..16){push(@r,$x);$x<<=1;$x^=0x11b if$x&0x100;} - * i;print join(", ",map{sprintf"0x%02x",$_}@r),"\n";' + * perl -e'@@r=();$x=0x80;for(0..16){push(@@r,$x);$x<<=1;$x^=0x11b + * if$x&0x100;};print join(", ",map{sprintf"0x%02x",$_}@@r),"\n";' */ static const octet rcon[17] = { @@ -84,9 +76,9 @@ void noekeon_init(noekeon_ctx *k, const void *buf, size_t sz) static const noekeon_ctx nullkey = { { 0, 0, 0, 0 } }; KSZ_ASSERT(noekeon, sz); - k->k[0] = LOAD32(p + 0); - k->k[1] = LOAD32(p + 4); - k->k[2] = LOAD32(p + 8); + k->k[0] = LOAD32(p + 0); + k->k[1] = LOAD32(p + 4); + k->k[2] = LOAD32(p + 8); k->k[3] = LOAD32(p + 12); noekeon_eblk(&nullkey, k->k, k->k); } @@ -116,7 +108,7 @@ void noekeon_init(noekeon_ctx *k, const void *buf, size_t sz) a ^= ka; b ^= kb; c ^= kc; d ^= kd; \ _x = b ^ d; _x ^= ROR32(_x, 8) ^ ROL32(_x, 8); a ^= _x; c ^= _x; \ } while (0) - + #define ITHETA(ka, kb, kc, kd, a, b, c, d) do { \ uint32 _x; \ _x = b ^ d; _x ^= ROR32(_x, 8) ^ ROL32(_x, 8); a ^= _x; c ^= _x; \