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Wim Lewis
nettle
Commits
51a08ad7
Commit
51a08ad7
authored
Oct 13, 2005
by
Niels Möller
Browse files
Don't allocate space for a stack copy of the input.
Rev: src/nettle/x86/md5-compress.asm:1.5
parent
9424472a
Changes
1
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Inline
Side-by-side
x86/md5-compress.asm
View file @
51a08ad7
...
...
@@ -24,7 +24,6 @@ define(<SC>,<%ecx>)
define
(
<
SD
>
,
<%
edx
>
)
define
(
<
TMP
>
,
<%
ebp
>
)
define
(
<
INPUT
>
,
<%
esi
>
)
C
define
(
<
DATA
>
,
<%
esp
>
)
C
%
edi
is
unused
...
...
@@ -72,24 +71,25 @@ define(<ROUND>,<
.align
16
PROLOGUE
(
_nettle_md5_compress
)
C
save
al
l
registers
that
need
to
be
saved
pushl
%
ebx
C
76
(
%
esp
)
pushl
%
ebp
C
72
(
%
esp
)
pushl
%
esi
C
68
(
%
esp
)
pushl
%
edi
C
64
(
%
esp
)
subl
$
64
,
%
esp
C
%
esp
=
W
C
24
(
%
esp
)
input
C
20
(
%
esp
)
state
C
16
(
%
esp
)
Return
address
pushl
%
ebx
C
12
(
%
esp
)
pushl
%
ebp
C
8
(
%
esp
)
pushl
%
esi
C
4
(
%
esp
)
pushl
%
edi
C
(
%
esp
)
C
load
the
state
vector
movl
84
(
%
esp
),
TMP
movl
20
(
%
esp
),
TMP
movl
(
TMP
),
SA
movl
4
(
TMP
),
SB
movl
8
(
TMP
),
SC
movl
12
(
TMP
),
SD
C
Pointer
to
source
data.
We
copy
it
to
al
igned
storage
C
at
%
esp
when
we
first
use
it.
movl
88
(
%
esp
),
INPUT
C
Pointer
to
source
data.
C
Note
that
if
analigned
,
we
suffer
unaligned
accesses
movl
24
(
%
esp
),
INPUT
ROUND
(
<
F1
>
,
SA
,
SB
,
SC
,
SD
,
REF
(
0
),
$
0xd76aa478
,
7
)
ROUND
(
<
F1
>
,
SD
,
SA
,
SB
,
SC
,
REF
(
1
),
$
0xe8c7b756
,
12
)
...
...
@@ -160,13 +160,12 @@ PROLOGUE(_nettle_md5_compress)
ROUND
(
<
F4
>
,
SB
,
SC
,
SD
,
SA
,
REF
(
9
),
$
0xeb86d391
,
21
)
C
Update
the
state
vector
movl
84
(
%
esp
),
TMP
movl
20
(
%
esp
),
TMP
addl
SA
,
(
TMP
)
addl
SB
,
4
(
TMP
)
addl
SC
,
8
(
TMP
)
addl
SD
,
12
(
TMP
)
addl
$
64
,
%
esp
popl
%
edi
popl
%
esi
popl
%
ebp
...
...
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