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dnl sha1opt.i586.m4
dnl
dnl Copyright (c) 2003 Bob Deblier
dnl
dnl Author: Bob Deblier <bob.deblier@pandora.be>
dnl
dnl This library is free software; you can redistribute it and/or
dnl modify it under the terms of the GNU Lesser General Public
dnl License as published by the Free Software Foundation; either
dnl version 2.1 of the License, or (at your option) any later version.
dnl
dnl This library is distributed in the hope that it will be useful,
dnl but WITHOUT ANY WARRANTY; without even the implied warranty of
dnl MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
dnl Lesser General Public License for more details.
dnl
dnl You should have received a copy of the GNU Lesser General Public
dnl License along with this library; if not, write to the Free Software
dnl Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
include(config.m4)
include(ASM_SRCDIR/x86.m4)
.equ K00, 0x5a827999
.equ K20, 0x6ed9eba1
.equ K40, 0x8f1bbcdc
.equ K60, 0xca62c1d6
.equ PARAM_H, 0
.equ PARAM_DATA, 20
define(`subround1',`
movl $2,%ecx
movl $1,%ebx
movl $3,%edx
roll `$'5,%eax
xorl %edx,%ecx
addl $4,%eax
andl %ebx,%ecx
addl `$'K00,%eax
rorl `$'2,%ebx
addl $5(%esi,%edi),%eax
xorl %edx,%ecx
movl %ebx,$1
addl %ecx,%eax
movl %eax,$4
')
define(`subround2',`
movl $2,%ecx
movl $1,%ebx
roll `$'5,%eax
xorl %ebx,%ecx
addl $4,%eax
xorl $3,%ecx
addl `$'K20,%eax
rorl `$'2,%ebx
addl $5(%esi,%edi),%eax
movl %ebx,$1
addl %ecx,%eax
movl %eax,$4
')
define(`subround3',`
movl $2,%ecx
roll `$'5,%eax
movl $1,%ebx
movl %ecx,%edx
addl $4,%eax
orl %ebx,%ecx
andl %ebx,%edx
andl $3,%ecx
addl `$'K40,%eax
orl %edx,%ecx
addl $5(%esi,%edi),%eax
rorl `$'2,%ebx
addl %ecx,%eax
movl %ebx,$1
movl %eax,$4
')
define(`subround4',`
movl $2,%ecx
movl $1,%ebx
roll `$'5,%eax
xorl %ebx,%ecx
addl $4,%eax
xorl $3,%ecx
addl `$'K60,%eax
rorl `$'2,%ebx
addl $5(%esi,%edi),%eax
movl %ebx,$1
addl %ecx,%eax
movl %eax,$4
')
C_FUNCTION_BEGIN(sha1Process)
pushl %edi
pushl %esi
pushl %ebx
pushl %ebp
movl 20(%esp),%esi
subl `$'20,%esp
leal PARAM_DATA(%esi),%edi
movl %esp,%ebp
movl `$'4,%ecx
LOCAL(0):
movl (%esi,%ecx,4),%edx
movl %edx,(%ebp,%ecx,4)
decl %ecx
jns LOCAL(0)
movl `$'15,%ecx
.align 4
LOCAL(1):
movl (%edi,%ecx,4),%edx
ifdef(`USE_BSWAP',`
bswap %edx
',`
movl %edx,%eax
andl `$'0xff00ff,%edx
rol `$'8,%eax
andl `$'0xff00ff,%eax
ror `$'8,%edx
or %eax,%edx
')
mov %edx,(%edi,%ecx,4)
decl %ecx
jns LOCAL(1)
leal PARAM_DATA(%esi),%edi
movl `$'16,%ecx
xorl %eax,%eax
.align 4
LOCAL(2):
movl 52(%edi),%eax
movl 56(%edi),%ebx
xorl 32(%edi),%eax
xorl 36(%edi),%ebx
xorl 8(%edi),%eax
xorl 12(%edi),%ebx
xorl (%edi),%eax
xorl 4(%edi),%ebx
roll `$'1,%eax
roll `$'1,%ebx
movl %eax,64(%edi)
movl %ebx,68(%edi)
movl 60(%edi),%eax
movl 64(%edi),%ebx
xorl 40(%edi),%eax
xorl 44(%edi),%ebx
xorl 16(%edi),%eax
xorl 20(%edi),%ebx
xorl 8(%edi),%eax
xorl 12(%edi),%ebx
roll `$'1,%eax
roll `$'1,%ebx
movl %eax,72(%edi)
movl %ebx,76(%edi)
addl `$'16,%edi
decl %ecx
jnz LOCAL(2)
movl `$'PARAM_DATA,%edi
movl (%ebp),%eax
LOCAL(01_20):
subround1( 4(%ebp), 8(%ebp), 12(%ebp), 16(%ebp), 0)
subround1( (%ebp), %ebx , 8(%ebp), 12(%ebp), 4)
subround1(16(%ebp), %ebx , 4(%ebp), 8(%ebp), 8)
subround1(12(%ebp), %ebx , (%ebp), 4(%ebp), 12)
subround1( 8(%ebp), %ebx , 16(%ebp), (%ebp), 16)
addl `$'20,%edi
subround1( 4(%ebp), %ebx , 12(%ebp), 16(%ebp), 0)
subround1( (%ebp), %ebx , 8(%ebp), 12(%ebp), 4)
subround1(16(%ebp), %ebx , 4(%ebp), 8(%ebp), 8)
subround1(12(%ebp), %ebx , (%ebp), 4(%ebp), 12)
subround1( 8(%ebp), %ebx , 16(%ebp), (%ebp), 16)
addl `$'20,%edi
subround1( 4(%ebp), %ebx , 12(%ebp), 16(%ebp), 0)
subround1( (%ebp), %ebx , 8(%ebp), 12(%ebp), 4)
subround1(16(%ebp), %ebx , 4(%ebp), 8(%ebp), 8)
subround1(12(%ebp), %ebx , (%ebp), 4(%ebp), 12)
subround1( 8(%ebp), %ebx , 16(%ebp), (%ebp), 16)
addl `$'20,%edi
subround1( 4(%ebp), %ebx , 12(%ebp), 16(%ebp), 0)
subround1( (%ebp), %ebx , 8(%ebp), 12(%ebp), 4)
subround1(16(%ebp), %ebx , 4(%ebp), 8(%ebp), 8)
subround1(12(%ebp), %ebx , (%ebp), 4(%ebp), 12)
subround1( 8(%ebp), %ebx , 16(%ebp), (%ebp), 16)
addl `$'20,%edi
LOCAL(21_40):
subround2( 4(%ebp), %ebx , 12(%ebp), 16(%ebp), 0)
subround2( (%ebp), %ebx , 8(%ebp), 12(%ebp), 4)
subround2(16(%ebp), %ebx , 4(%ebp), 8(%ebp), 8)
subround2(12(%ebp), %ebx , (%ebp), 4(%ebp), 12)
subround2( 8(%ebp), %ebx , 16(%ebp), (%ebp), 16)
addl `$'20,%edi
subround2( 4(%ebp), %ebx , 12(%ebp), 16(%ebp), 0)
subround2( (%ebp), %ebx , 8(%ebp), 12(%ebp), 4)
subround2(16(%ebp), %ebx , 4(%ebp), 8(%ebp), 8)
subround2(12(%ebp), %ebx , (%ebp), 4(%ebp), 12)
subround2( 8(%ebp), %ebx , 16(%ebp), (%ebp), 16)
addl `$'20,%edi
subround2( 4(%ebp), %ebx , 12(%ebp), 16(%ebp), 0)
subround2( (%ebp), %ebx , 8(%ebp), 12(%ebp), 4)
subround2(16(%ebp), %ebx , 4(%ebp), 8(%ebp), 8)
subround2(12(%ebp), %ebx , (%ebp), 4(%ebp), 12)
subround2( 8(%ebp), %ebx , 16(%ebp), (%ebp), 16)
addl `$'20,%edi
subround2( 4(%ebp), %ebx , 12(%ebp), 16(%ebp), 0)
subround2( (%ebp), %ebx , 8(%ebp), 12(%ebp), 4)
subround2(16(%ebp), %ebx , 4(%ebp), 8(%ebp), 8)
subround2(12(%ebp), %ebx , (%ebp), 4(%ebp), 12)
subround2( 8(%ebp), %ebx , 16(%ebp), (%ebp), 16)
addl `$'20,%edi
LOCAL(41_60):
subround3( 4(%ebp), %ebx , 12(%ebp), 16(%ebp), 0)
subround3( (%ebp), %ebx , 8(%ebp), 12(%ebp), 4)
subround3(16(%ebp), %ebx , 4(%ebp), 8(%ebp), 8)
subround3(12(%ebp), %ebx , (%ebp), 4(%ebp), 12)
subround3( 8(%ebp), %ebx , 16(%ebp), (%ebp), 16)
addl `$'20,%edi
subround3( 4(%ebp), %ebx , 12(%ebp), 16(%ebp), 0)
subround3( (%ebp), %ebx , 8(%ebp), 12(%ebp), 4)
subround3(16(%ebp), %ebx , 4(%ebp), 8(%ebp), 8)
subround3(12(%ebp), %ebx , (%ebp), 4(%ebp), 12)
subround3( 8(%ebp), %ebx , 16(%ebp), (%ebp), 16)
addl `$'20,%edi
subround3( 4(%ebp), %ebx , 12(%ebp), 16(%ebp), 0)
subround3( (%ebp), %ebx , 8(%ebp), 12(%ebp), 4)
subround3(16(%ebp), %ebx , 4(%ebp), 8(%ebp), 8)
subround3(12(%ebp), %ebx , (%ebp), 4(%ebp), 12)
subround3( 8(%ebp), %ebx , 16(%ebp), (%ebp), 16)
addl `$'20,%edi
subround3( 4(%ebp), %ebx , 12(%ebp), 16(%ebp), 0)
subround3( (%ebp), %ebx , 8(%ebp), 12(%ebp), 4)
subround3(16(%ebp), %ebx , 4(%ebp), 8(%ebp), 8)
subround3(12(%ebp), %ebx , (%ebp), 4(%ebp), 12)
subround3( 8(%ebp), %ebx , 16(%ebp), (%ebp), 16)
addl `$'20,%edi
LOCAL(61_80):
subround4( 4(%ebp), %ebx , 12(%ebp), 16(%ebp), 0)
subround4( (%ebp), %ebx , 8(%ebp), 12(%ebp), 4)
subround4(16(%ebp), %ebx , 4(%ebp), 8(%ebp), 8)
subround4(12(%ebp), %ebx , (%ebp), 4(%ebp), 12)
subround4( 8(%ebp), %ebx , 16(%ebp), (%ebp), 16)
addl `$'20,%edi
subround4( 4(%ebp), %ebx , 12(%ebp), 16(%ebp), 0)
subround4( (%ebp), %ebx , 8(%ebp), 12(%ebp), 4)
subround4(16(%ebp), %ebx , 4(%ebp), 8(%ebp), 8)
subround4(12(%ebp), %ebx , (%ebp), 4(%ebp), 12)
subround4( 8(%ebp), %ebx , 16(%ebp), (%ebp), 16)
addl `$'20,%edi
subround4( 4(%ebp), %ebx , 12(%ebp), 16(%ebp), 0)
subround4( (%ebp), %ebx , 8(%ebp), 12(%ebp), 4)
subround4(16(%ebp), %ebx , 4(%ebp), 8(%ebp), 8)
subround4(12(%ebp), %ebx , (%ebp), 4(%ebp), 12)
subround4( 8(%ebp), %ebx , 16(%ebp), (%ebp), 16)
addl `$'20,%edi
subround4( 4(%ebp), %ebx , 12(%ebp), 16(%ebp), 0)
subround4( (%ebp), %ebx , 8(%ebp), 12(%ebp), 4)
subround4(16(%ebp), %ebx , 4(%ebp), 8(%ebp), 8)
subround4(12(%ebp), %ebx , (%ebp), 4(%ebp), 12)
subround4( 8(%ebp), %ebx , 16(%ebp), (%ebp), 16)
movl `$'4,%ecx
.align 4
LOCAL(3):
movl (%ebp,%ecx,4),%eax
addl %eax,(%esi,%ecx,4)
decl %ecx
jns LOCAL(3)
addl `$'20,%esp
popl %ebp
popl %ebx
popl %esi
popl %edi
ret
C_FUNCTION_END(sha1Process)
|
