2024-09-09 08:52:07 +00:00
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/*
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* Serpent Cipher 4-way parallel algorithm (i586/SSE2)
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*
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* Copyright (C) 2011 Jussi Kivilinna <jussi.kivilinna@mbnet.fi>
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*
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* Based on crypto/serpent.c by
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* Copyright (C) 2002 Dag Arne Osvik <osvik@ii.uib.no>
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* 2003 Herbert Valerio Riedel <hvr@gnu.org>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
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* USA
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*
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*/
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2024-09-09 08:57:42 +00:00
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#include <linux/linkage.h>
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2024-09-09 08:52:07 +00:00
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.file "serpent-sse2-i586-asm_32.S"
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.text
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#define arg_ctx 4
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#define arg_dst 8
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#define arg_src 12
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#define arg_xor 16
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/**********************************************************************
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4-way SSE2 serpent
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**********************************************************************/
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#define CTX %edx
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#define RA %xmm0
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#define RB %xmm1
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#define RC %xmm2
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#define RD %xmm3
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#define RE %xmm4
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#define RT0 %xmm5
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#define RT1 %xmm6
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#define RNOT %xmm7
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#define get_key(i, j, t) \
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movd (4*(i)+(j))*4(CTX), t; \
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pshufd $0, t, t;
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#define K(x0, x1, x2, x3, x4, i) \
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get_key(i, 0, x4); \
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get_key(i, 1, RT0); \
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get_key(i, 2, RT1); \
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pxor x4, x0; \
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pxor RT0, x1; \
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pxor RT1, x2; \
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get_key(i, 3, x4); \
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pxor x4, x3;
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#define LK(x0, x1, x2, x3, x4, i) \
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movdqa x0, x4; \
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pslld $13, x0; \
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psrld $(32 - 13), x4; \
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por x4, x0; \
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pxor x0, x1; \
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movdqa x2, x4; \
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pslld $3, x2; \
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psrld $(32 - 3), x4; \
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por x4, x2; \
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pxor x2, x1; \
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movdqa x1, x4; \
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pslld $1, x1; \
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psrld $(32 - 1), x4; \
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por x4, x1; \
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movdqa x0, x4; \
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pslld $3, x4; \
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pxor x2, x3; \
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pxor x4, x3; \
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movdqa x3, x4; \
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pslld $7, x3; \
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psrld $(32 - 7), x4; \
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por x4, x3; \
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movdqa x1, x4; \
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pslld $7, x4; \
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pxor x1, x0; \
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pxor x3, x0; \
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pxor x3, x2; \
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pxor x4, x2; \
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movdqa x0, x4; \
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get_key(i, 1, RT0); \
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pxor RT0, x1; \
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get_key(i, 3, RT0); \
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pxor RT0, x3; \
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pslld $5, x0; \
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psrld $(32 - 5), x4; \
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por x4, x0; \
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movdqa x2, x4; \
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pslld $22, x2; \
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psrld $(32 - 22), x4; \
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por x4, x2; \
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get_key(i, 0, RT0); \
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pxor RT0, x0; \
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get_key(i, 2, RT0); \
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pxor RT0, x2;
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#define KL(x0, x1, x2, x3, x4, i) \
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K(x0, x1, x2, x3, x4, i); \
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movdqa x0, x4; \
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psrld $5, x0; \
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pslld $(32 - 5), x4; \
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por x4, x0; \
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movdqa x2, x4; \
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psrld $22, x2; \
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pslld $(32 - 22), x4; \
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por x4, x2; \
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pxor x3, x2; \
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pxor x3, x0; \
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movdqa x1, x4; \
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pslld $7, x4; \
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pxor x1, x0; \
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pxor x4, x2; \
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movdqa x1, x4; \
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psrld $1, x1; \
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pslld $(32 - 1), x4; \
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por x4, x1; \
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movdqa x3, x4; \
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psrld $7, x3; \
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pslld $(32 - 7), x4; \
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por x4, x3; \
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pxor x0, x1; \
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movdqa x0, x4; \
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pslld $3, x4; \
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pxor x4, x3; \
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movdqa x0, x4; \
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psrld $13, x0; \
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pslld $(32 - 13), x4; \
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por x4, x0; \
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pxor x2, x1; \
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pxor x2, x3; \
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movdqa x2, x4; \
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psrld $3, x2; \
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pslld $(32 - 3), x4; \
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por x4, x2;
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#define S0(x0, x1, x2, x3, x4) \
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movdqa x3, x4; \
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por x0, x3; \
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pxor x4, x0; \
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pxor x2, x4; \
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pxor RNOT, x4; \
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pxor x1, x3; \
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pand x0, x1; \
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pxor x4, x1; \
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pxor x0, x2; \
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pxor x3, x0; \
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por x0, x4; \
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pxor x2, x0; \
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pand x1, x2; \
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pxor x2, x3; \
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pxor RNOT, x1; \
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pxor x4, x2; \
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pxor x2, x1;
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#define S1(x0, x1, x2, x3, x4) \
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movdqa x1, x4; \
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pxor x0, x1; \
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pxor x3, x0; \
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pxor RNOT, x3; \
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pand x1, x4; \
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por x1, x0; \
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pxor x2, x3; \
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pxor x3, x0; \
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pxor x3, x1; \
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pxor x4, x3; \
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por x4, x1; \
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pxor x2, x4; \
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pand x0, x2; \
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pxor x1, x2; \
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por x0, x1; \
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pxor RNOT, x0; \
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pxor x2, x0; \
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pxor x1, x4;
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#define S2(x0, x1, x2, x3, x4) \
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pxor RNOT, x3; \
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pxor x0, x1; \
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movdqa x0, x4; \
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pand x2, x0; \
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pxor x3, x0; \
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por x4, x3; \
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pxor x1, x2; \
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pxor x1, x3; \
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pand x0, x1; \
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pxor x2, x0; \
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pand x3, x2; \
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por x1, x3; \
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pxor RNOT, x0; \
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pxor x0, x3; \
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pxor x0, x4; \
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pxor x2, x0; \
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por x2, x1;
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#define S3(x0, x1, x2, x3, x4) \
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movdqa x1, x4; \
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pxor x3, x1; \
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por x0, x3; \
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pand x0, x4; \
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pxor x2, x0; \
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pxor x1, x2; \
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pand x3, x1; \
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pxor x3, x2; \
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por x4, x0; \
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pxor x3, x4; \
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pxor x0, x1; \
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pand x3, x0; \
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pand x4, x3; \
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pxor x2, x3; \
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por x1, x4; \
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pand x1, x2; \
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pxor x3, x4; \
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pxor x3, x0; \
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pxor x2, x3;
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#define S4(x0, x1, x2, x3, x4) \
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movdqa x3, x4; \
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pand x0, x3; \
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pxor x4, x0; \
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pxor x2, x3; \
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por x4, x2; \
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pxor x1, x0; \
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pxor x3, x4; \
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por x0, x2; \
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pxor x1, x2; \
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pand x0, x1; \
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pxor x4, x1; \
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pand x2, x4; \
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pxor x3, x2; \
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pxor x0, x4; \
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por x1, x3; \
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pxor RNOT, x1; \
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pxor x0, x3;
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#define S5(x0, x1, x2, x3, x4) \
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movdqa x1, x4; \
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por x0, x1; \
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pxor x1, x2; \
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pxor RNOT, x3; \
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pxor x0, x4; \
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pxor x2, x0; \
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pand x4, x1; \
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por x3, x4; \
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pxor x0, x4; \
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pand x3, x0; \
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pxor x3, x1; \
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pxor x2, x3; \
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pxor x1, x0; \
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pand x4, x2; \
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pxor x2, x1; \
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pand x0, x2; \
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pxor x2, x3;
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#define S6(x0, x1, x2, x3, x4) \
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movdqa x1, x4; \
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pxor x0, x3; \
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pxor x2, x1; \
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pxor x0, x2; \
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pand x3, x0; \
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por x3, x1; \
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pxor RNOT, x4; \
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pxor x1, x0; \
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pxor x2, x1; \
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pxor x4, x3; \
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pxor x0, x4; \
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pand x0, x2; \
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pxor x1, x4; \
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pxor x3, x2; \
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pand x1, x3; \
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pxor x0, x3; \
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pxor x2, x1;
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#define S7(x0, x1, x2, x3, x4) \
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pxor RNOT, x1; \
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movdqa x1, x4; \
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pxor RNOT, x0; \
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pand x2, x1; \
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pxor x3, x1; \
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por x4, x3; \
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pxor x2, x4; \
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pxor x3, x2; \
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pxor x0, x3; \
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por x1, x0; \
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pand x0, x2; \
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pxor x4, x0; \
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pxor x3, x4; \
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pand x0, x3; \
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pxor x1, x4; \
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pxor x4, x2; \
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pxor x1, x3; \
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por x0, x4; \
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pxor x1, x4;
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#define SI0(x0, x1, x2, x3, x4) \
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movdqa x3, x4; \
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pxor x0, x1; \
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por x1, x3; \
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pxor x1, x4; \
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pxor RNOT, x0; \
|
|
|
|
|
pxor x3, x2; \
|
|
|
|
|
pxor x0, x3; \
|
|
|
|
|
pand x1, x0; \
|
|
|
|
|
pxor x2, x0; \
|
|
|
|
|
pand x3, x2; \
|
|
|
|
|
pxor x4, x3; \
|
|
|
|
|
pxor x3, x2; \
|
|
|
|
|
pxor x3, x1; \
|
|
|
|
|
pand x0, x3; \
|
|
|
|
|
pxor x0, x1; \
|
|
|
|
|
pxor x2, x0; \
|
|
|
|
|
pxor x3, x4;
|
|
|
|
|
|
|
|
|
|
#define SI1(x0, x1, x2, x3, x4) \
|
|
|
|
|
pxor x3, x1; \
|
|
|
|
|
movdqa x0, x4; \
|
|
|
|
|
pxor x2, x0; \
|
|
|
|
|
pxor RNOT, x2; \
|
|
|
|
|
por x1, x4; \
|
|
|
|
|
pxor x3, x4; \
|
|
|
|
|
pand x1, x3; \
|
|
|
|
|
pxor x2, x1; \
|
|
|
|
|
pand x4, x2; \
|
|
|
|
|
pxor x1, x4; \
|
|
|
|
|
por x3, x1; \
|
|
|
|
|
pxor x0, x3; \
|
|
|
|
|
pxor x0, x2; \
|
|
|
|
|
por x4, x0; \
|
|
|
|
|
pxor x4, x2; \
|
|
|
|
|
pxor x0, x1; \
|
|
|
|
|
pxor x1, x4;
|
|
|
|
|
|
|
|
|
|
#define SI2(x0, x1, x2, x3, x4) \
|
|
|
|
|
pxor x1, x2; \
|
|
|
|
|
movdqa x3, x4; \
|
|
|
|
|
pxor RNOT, x3; \
|
|
|
|
|
por x2, x3; \
|
|
|
|
|
pxor x4, x2; \
|
|
|
|
|
pxor x0, x4; \
|
|
|
|
|
pxor x1, x3; \
|
|
|
|
|
por x2, x1; \
|
|
|
|
|
pxor x0, x2; \
|
|
|
|
|
pxor x4, x1; \
|
|
|
|
|
por x3, x4; \
|
|
|
|
|
pxor x3, x2; \
|
|
|
|
|
pxor x2, x4; \
|
|
|
|
|
pand x1, x2; \
|
|
|
|
|
pxor x3, x2; \
|
|
|
|
|
pxor x4, x3; \
|
|
|
|
|
pxor x0, x4;
|
|
|
|
|
|
|
|
|
|
#define SI3(x0, x1, x2, x3, x4) \
|
|
|
|
|
pxor x1, x2; \
|
|
|
|
|
movdqa x1, x4; \
|
|
|
|
|
pand x2, x1; \
|
|
|
|
|
pxor x0, x1; \
|
|
|
|
|
por x4, x0; \
|
|
|
|
|
pxor x3, x4; \
|
|
|
|
|
pxor x3, x0; \
|
|
|
|
|
por x1, x3; \
|
|
|
|
|
pxor x2, x1; \
|
|
|
|
|
pxor x3, x1; \
|
|
|
|
|
pxor x2, x0; \
|
|
|
|
|
pxor x3, x2; \
|
|
|
|
|
pand x1, x3; \
|
|
|
|
|
pxor x0, x1; \
|
|
|
|
|
pand x2, x0; \
|
|
|
|
|
pxor x3, x4; \
|
|
|
|
|
pxor x0, x3; \
|
|
|
|
|
pxor x1, x0;
|
|
|
|
|
|
|
|
|
|
#define SI4(x0, x1, x2, x3, x4) \
|
|
|
|
|
pxor x3, x2; \
|
|
|
|
|
movdqa x0, x4; \
|
|
|
|
|
pand x1, x0; \
|
|
|
|
|
pxor x2, x0; \
|
|
|
|
|
por x3, x2; \
|
|
|
|
|
pxor RNOT, x4; \
|
|
|
|
|
pxor x0, x1; \
|
|
|
|
|
pxor x2, x0; \
|
|
|
|
|
pand x4, x2; \
|
|
|
|
|
pxor x0, x2; \
|
|
|
|
|
por x4, x0; \
|
|
|
|
|
pxor x3, x0; \
|
|
|
|
|
pand x2, x3; \
|
|
|
|
|
pxor x3, x4; \
|
|
|
|
|
pxor x1, x3; \
|
|
|
|
|
pand x0, x1; \
|
|
|
|
|
pxor x1, x4; \
|
|
|
|
|
pxor x3, x0;
|
|
|
|
|
|
|
|
|
|
#define SI5(x0, x1, x2, x3, x4) \
|
|
|
|
|
movdqa x1, x4; \
|
|
|
|
|
por x2, x1; \
|
|
|
|
|
pxor x4, x2; \
|
|
|
|
|
pxor x3, x1; \
|
|
|
|
|
pand x4, x3; \
|
|
|
|
|
pxor x3, x2; \
|
|
|
|
|
por x0, x3; \
|
|
|
|
|
pxor RNOT, x0; \
|
|
|
|
|
pxor x2, x3; \
|
|
|
|
|
por x0, x2; \
|
|
|
|
|
pxor x1, x4; \
|
|
|
|
|
pxor x4, x2; \
|
|
|
|
|
pand x0, x4; \
|
|
|
|
|
pxor x1, x0; \
|
|
|
|
|
pxor x3, x1; \
|
|
|
|
|
pand x2, x0; \
|
|
|
|
|
pxor x3, x2; \
|
|
|
|
|
pxor x2, x0; \
|
|
|
|
|
pxor x4, x2; \
|
|
|
|
|
pxor x3, x4;
|
|
|
|
|
|
|
|
|
|
#define SI6(x0, x1, x2, x3, x4) \
|
|
|
|
|
pxor x2, x0; \
|
|
|
|
|
movdqa x0, x4; \
|
|
|
|
|
pand x3, x0; \
|
|
|
|
|
pxor x3, x2; \
|
|
|
|
|
pxor x2, x0; \
|
|
|
|
|
pxor x1, x3; \
|
|
|
|
|
por x4, x2; \
|
|
|
|
|
pxor x3, x2; \
|
|
|
|
|
pand x0, x3; \
|
|
|
|
|
pxor RNOT, x0; \
|
|
|
|
|
pxor x1, x3; \
|
|
|
|
|
pand x2, x1; \
|
|
|
|
|
pxor x0, x4; \
|
|
|
|
|
pxor x4, x3; \
|
|
|
|
|
pxor x2, x4; \
|
|
|
|
|
pxor x1, x0; \
|
|
|
|
|
pxor x0, x2;
|
|
|
|
|
|
|
|
|
|
#define SI7(x0, x1, x2, x3, x4) \
|
|
|
|
|
movdqa x3, x4; \
|
|
|
|
|
pand x0, x3; \
|
|
|
|
|
pxor x2, x0; \
|
|
|
|
|
por x4, x2; \
|
|
|
|
|
pxor x1, x4; \
|
|
|
|
|
pxor RNOT, x0; \
|
|
|
|
|
por x3, x1; \
|
|
|
|
|
pxor x0, x4; \
|
|
|
|
|
pand x2, x0; \
|
|
|
|
|
pxor x1, x0; \
|
|
|
|
|
pand x2, x1; \
|
|
|
|
|
pxor x2, x3; \
|
|
|
|
|
pxor x3, x4; \
|
|
|
|
|
pand x3, x2; \
|
|
|
|
|
por x0, x3; \
|
|
|
|
|
pxor x4, x1; \
|
|
|
|
|
pxor x4, x3; \
|
|
|
|
|
pand x0, x4; \
|
|
|
|
|
pxor x2, x4;
|
|
|
|
|
|
|
|
|
|
#define transpose_4x4(x0, x1, x2, x3, t0, t1, t2) \
|
|
|
|
|
movdqa x0, t2; \
|
|
|
|
|
punpckldq x1, x0; \
|
|
|
|
|
punpckhdq x1, t2; \
|
|
|
|
|
movdqa x2, t1; \
|
|
|
|
|
punpckhdq x3, x2; \
|
|
|
|
|
punpckldq x3, t1; \
|
|
|
|
|
movdqa x0, x1; \
|
|
|
|
|
punpcklqdq t1, x0; \
|
|
|
|
|
punpckhqdq t1, x1; \
|
|
|
|
|
movdqa t2, x3; \
|
|
|
|
|
punpcklqdq x2, t2; \
|
|
|
|
|
punpckhqdq x2, x3; \
|
|
|
|
|
movdqa t2, x2;
|
|
|
|
|
|
|
|
|
|
#define read_blocks(in, x0, x1, x2, x3, t0, t1, t2) \
|
|
|
|
|
movdqu (0*4*4)(in), x0; \
|
|
|
|
|
movdqu (1*4*4)(in), x1; \
|
|
|
|
|
movdqu (2*4*4)(in), x2; \
|
|
|
|
|
movdqu (3*4*4)(in), x3; \
|
|
|
|
|
\
|
|
|
|
|
transpose_4x4(x0, x1, x2, x3, t0, t1, t2)
|
|
|
|
|
|
|
|
|
|
#define write_blocks(out, x0, x1, x2, x3, t0, t1, t2) \
|
|
|
|
|
transpose_4x4(x0, x1, x2, x3, t0, t1, t2) \
|
|
|
|
|
\
|
|
|
|
|
movdqu x0, (0*4*4)(out); \
|
|
|
|
|
movdqu x1, (1*4*4)(out); \
|
|
|
|
|
movdqu x2, (2*4*4)(out); \
|
|
|
|
|
movdqu x3, (3*4*4)(out);
|
|
|
|
|
|
|
|
|
|
#define xor_blocks(out, x0, x1, x2, x3, t0, t1, t2) \
|
|
|
|
|
transpose_4x4(x0, x1, x2, x3, t0, t1, t2) \
|
|
|
|
|
\
|
|
|
|
|
movdqu (0*4*4)(out), t0; \
|
|
|
|
|
pxor t0, x0; \
|
|
|
|
|
movdqu x0, (0*4*4)(out); \
|
|
|
|
|
movdqu (1*4*4)(out), t0; \
|
|
|
|
|
pxor t0, x1; \
|
|
|
|
|
movdqu x1, (1*4*4)(out); \
|
|
|
|
|
movdqu (2*4*4)(out), t0; \
|
|
|
|
|
pxor t0, x2; \
|
|
|
|
|
movdqu x2, (2*4*4)(out); \
|
|
|
|
|
movdqu (3*4*4)(out), t0; \
|
|
|
|
|
pxor t0, x3; \
|
|
|
|
|
movdqu x3, (3*4*4)(out);
|
|
|
|
|
|
2024-09-09 08:57:42 +00:00
|
|
|
ENTRY(__serpent_enc_blk_4way)
|
2024-09-09 08:52:07 +00:00
|
|
|
/* input:
|
|
|
|
|
* arg_ctx(%esp): ctx, CTX
|
|
|
|
|
* arg_dst(%esp): dst
|
|
|
|
|
* arg_src(%esp): src
|
|
|
|
|
* arg_xor(%esp): bool, if true: xor output
|
|
|
|
|
*/
|
|
|
|
|
|
|
|
|
|
pcmpeqd RNOT, RNOT;
|
|
|
|
|
|
|
|
|
|
movl arg_ctx(%esp), CTX;
|
|
|
|
|
|
|
|
|
|
movl arg_src(%esp), %eax;
|
|
|
|
|
read_blocks(%eax, RA, RB, RC, RD, RT0, RT1, RE);
|
|
|
|
|
|
|
|
|
|
K(RA, RB, RC, RD, RE, 0);
|
|
|
|
|
S0(RA, RB, RC, RD, RE); LK(RC, RB, RD, RA, RE, 1);
|
|
|
|
|
S1(RC, RB, RD, RA, RE); LK(RE, RD, RA, RC, RB, 2);
|
|
|
|
|
S2(RE, RD, RA, RC, RB); LK(RB, RD, RE, RC, RA, 3);
|
|
|
|
|
S3(RB, RD, RE, RC, RA); LK(RC, RA, RD, RB, RE, 4);
|
|
|
|
|
S4(RC, RA, RD, RB, RE); LK(RA, RD, RB, RE, RC, 5);
|
|
|
|
|
S5(RA, RD, RB, RE, RC); LK(RC, RA, RD, RE, RB, 6);
|
|
|
|
|
S6(RC, RA, RD, RE, RB); LK(RD, RB, RA, RE, RC, 7);
|
|
|
|
|
S7(RD, RB, RA, RE, RC); LK(RC, RA, RE, RD, RB, 8);
|
|
|
|
|
S0(RC, RA, RE, RD, RB); LK(RE, RA, RD, RC, RB, 9);
|
|
|
|
|
S1(RE, RA, RD, RC, RB); LK(RB, RD, RC, RE, RA, 10);
|
|
|
|
|
S2(RB, RD, RC, RE, RA); LK(RA, RD, RB, RE, RC, 11);
|
|
|
|
|
S3(RA, RD, RB, RE, RC); LK(RE, RC, RD, RA, RB, 12);
|
|
|
|
|
S4(RE, RC, RD, RA, RB); LK(RC, RD, RA, RB, RE, 13);
|
|
|
|
|
S5(RC, RD, RA, RB, RE); LK(RE, RC, RD, RB, RA, 14);
|
|
|
|
|
S6(RE, RC, RD, RB, RA); LK(RD, RA, RC, RB, RE, 15);
|
|
|
|
|
S7(RD, RA, RC, RB, RE); LK(RE, RC, RB, RD, RA, 16);
|
|
|
|
|
S0(RE, RC, RB, RD, RA); LK(RB, RC, RD, RE, RA, 17);
|
|
|
|
|
S1(RB, RC, RD, RE, RA); LK(RA, RD, RE, RB, RC, 18);
|
|
|
|
|
S2(RA, RD, RE, RB, RC); LK(RC, RD, RA, RB, RE, 19);
|
|
|
|
|
S3(RC, RD, RA, RB, RE); LK(RB, RE, RD, RC, RA, 20);
|
|
|
|
|
S4(RB, RE, RD, RC, RA); LK(RE, RD, RC, RA, RB, 21);
|
|
|
|
|
S5(RE, RD, RC, RA, RB); LK(RB, RE, RD, RA, RC, 22);
|
|
|
|
|
S6(RB, RE, RD, RA, RC); LK(RD, RC, RE, RA, RB, 23);
|
|
|
|
|
S7(RD, RC, RE, RA, RB); LK(RB, RE, RA, RD, RC, 24);
|
|
|
|
|
S0(RB, RE, RA, RD, RC); LK(RA, RE, RD, RB, RC, 25);
|
|
|
|
|
S1(RA, RE, RD, RB, RC); LK(RC, RD, RB, RA, RE, 26);
|
|
|
|
|
S2(RC, RD, RB, RA, RE); LK(RE, RD, RC, RA, RB, 27);
|
|
|
|
|
S3(RE, RD, RC, RA, RB); LK(RA, RB, RD, RE, RC, 28);
|
|
|
|
|
S4(RA, RB, RD, RE, RC); LK(RB, RD, RE, RC, RA, 29);
|
|
|
|
|
S5(RB, RD, RE, RC, RA); LK(RA, RB, RD, RC, RE, 30);
|
|
|
|
|
S6(RA, RB, RD, RC, RE); LK(RD, RE, RB, RC, RA, 31);
|
|
|
|
|
S7(RD, RE, RB, RC, RA); K(RA, RB, RC, RD, RE, 32);
|
|
|
|
|
|
|
|
|
|
movl arg_dst(%esp), %eax;
|
|
|
|
|
|
|
|
|
|
cmpb $0, arg_xor(%esp);
|
2024-09-09 08:57:42 +00:00
|
|
|
jnz .L__enc_xor4;
|
2024-09-09 08:52:07 +00:00
|
|
|
|
|
|
|
|
write_blocks(%eax, RA, RB, RC, RD, RT0, RT1, RE);
|
|
|
|
|
|
|
|
|
|
ret;
|
|
|
|
|
|
2024-09-09 08:57:42 +00:00
|
|
|
.L__enc_xor4:
|
2024-09-09 08:52:07 +00:00
|
|
|
xor_blocks(%eax, RA, RB, RC, RD, RT0, RT1, RE);
|
|
|
|
|
|
|
|
|
|
ret;
|
2024-09-09 08:57:42 +00:00
|
|
|
ENDPROC(__serpent_enc_blk_4way)
|
2024-09-09 08:52:07 +00:00
|
|
|
|
2024-09-09 08:57:42 +00:00
|
|
|
ENTRY(serpent_dec_blk_4way)
|
2024-09-09 08:52:07 +00:00
|
|
|
/* input:
|
|
|
|
|
* arg_ctx(%esp): ctx, CTX
|
|
|
|
|
* arg_dst(%esp): dst
|
|
|
|
|
* arg_src(%esp): src
|
|
|
|
|
*/
|
|
|
|
|
|
|
|
|
|
pcmpeqd RNOT, RNOT;
|
|
|
|
|
|
|
|
|
|
movl arg_ctx(%esp), CTX;
|
|
|
|
|
|
|
|
|
|
movl arg_src(%esp), %eax;
|
|
|
|
|
read_blocks(%eax, RA, RB, RC, RD, RT0, RT1, RE);
|
|
|
|
|
|
|
|
|
|
K(RA, RB, RC, RD, RE, 32);
|
|
|
|
|
SI7(RA, RB, RC, RD, RE); KL(RB, RD, RA, RE, RC, 31);
|
|
|
|
|
SI6(RB, RD, RA, RE, RC); KL(RA, RC, RE, RB, RD, 30);
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SI5(RA, RC, RE, RB, RD); KL(RC, RD, RA, RE, RB, 29);
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SI4(RC, RD, RA, RE, RB); KL(RC, RA, RB, RE, RD, 28);
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SI3(RC, RA, RB, RE, RD); KL(RB, RC, RD, RE, RA, 27);
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SI2(RB, RC, RD, RE, RA); KL(RC, RA, RE, RD, RB, 26);
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SI1(RC, RA, RE, RD, RB); KL(RB, RA, RE, RD, RC, 25);
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SI0(RB, RA, RE, RD, RC); KL(RE, RC, RA, RB, RD, 24);
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SI7(RE, RC, RA, RB, RD); KL(RC, RB, RE, RD, RA, 23);
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SI6(RC, RB, RE, RD, RA); KL(RE, RA, RD, RC, RB, 22);
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SI5(RE, RA, RD, RC, RB); KL(RA, RB, RE, RD, RC, 21);
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SI4(RA, RB, RE, RD, RC); KL(RA, RE, RC, RD, RB, 20);
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SI3(RA, RE, RC, RD, RB); KL(RC, RA, RB, RD, RE, 19);
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SI2(RC, RA, RB, RD, RE); KL(RA, RE, RD, RB, RC, 18);
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SI1(RA, RE, RD, RB, RC); KL(RC, RE, RD, RB, RA, 17);
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SI0(RC, RE, RD, RB, RA); KL(RD, RA, RE, RC, RB, 16);
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SI7(RD, RA, RE, RC, RB); KL(RA, RC, RD, RB, RE, 15);
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SI6(RA, RC, RD, RB, RE); KL(RD, RE, RB, RA, RC, 14);
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SI5(RD, RE, RB, RA, RC); KL(RE, RC, RD, RB, RA, 13);
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SI4(RE, RC, RD, RB, RA); KL(RE, RD, RA, RB, RC, 12);
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SI3(RE, RD, RA, RB, RC); KL(RA, RE, RC, RB, RD, 11);
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SI2(RA, RE, RC, RB, RD); KL(RE, RD, RB, RC, RA, 10);
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SI1(RE, RD, RB, RC, RA); KL(RA, RD, RB, RC, RE, 9);
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SI0(RA, RD, RB, RC, RE); KL(RB, RE, RD, RA, RC, 8);
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SI7(RB, RE, RD, RA, RC); KL(RE, RA, RB, RC, RD, 7);
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SI6(RE, RA, RB, RC, RD); KL(RB, RD, RC, RE, RA, 6);
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SI5(RB, RD, RC, RE, RA); KL(RD, RA, RB, RC, RE, 5);
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SI4(RD, RA, RB, RC, RE); KL(RD, RB, RE, RC, RA, 4);
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SI3(RD, RB, RE, RC, RA); KL(RE, RD, RA, RC, RB, 3);
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SI2(RE, RD, RA, RC, RB); KL(RD, RB, RC, RA, RE, 2);
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SI1(RD, RB, RC, RA, RE); KL(RE, RB, RC, RA, RD, 1);
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SI0(RE, RB, RC, RA, RD); K(RC, RD, RB, RE, RA, 0);
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movl arg_dst(%esp), %eax;
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write_blocks(%eax, RC, RD, RB, RE, RT0, RT1, RA);
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ret;
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2024-09-09 08:57:42 +00:00
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ENDPROC(serpent_dec_blk_4way)
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