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liblongpath
liblongpath-rsync
Commits
a7f8404e
Commit
a7f8404e
authored
Jun 26, 2001
by
Andrew Tridgell
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Plain Diff
fixed md4 on 64 bit boxes
parent
6c65e146
Changes
1
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1 changed file
with
16 additions
and
24 deletions
+16
-24
mdfour.c
lib/mdfour.c
+16
-24
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lib/mdfour.c
View file @
a7f8404e
...
...
@@ -28,30 +28,25 @@
static
struct
mdfour
*
m
;
#define F(X,Y,Z) (((X)&(Y)) | ((~(X))&(Z)))
#define G(X,Y,Z) (((X)&(Y)) | ((X)&(Z)) | ((Y)&(Z)))
#define H(X,Y,Z) ((X)^(Y)^(Z))
#ifdef LARGE_INT32
#define lshift(x,s) ((((x)<<(s))&0xFFFFFFFF) | (((x)>>(32-(s)))&0xFFFFFFFF))
#else
#define lshift(x,s) (((x)<<(s)) | ((x)>>(32-(s))))
#endif
typedef
unsigned
long
long
uint64
;
#define MASK32 (0xffffffff)
#define ROUND1(a,b,c,d,k,s) a = lshift((uint32)(a + F(b,c,d) + X[k]), s)
#define ROUND2(a,b,c,d,k,s) a = lshift((uint32)(a + G(b,c,d) + X[k] + 0x5A827999),s)
#define ROUND3(a,b,c,d,k,s) a = lshift((uint32)(a + H(b,c,d) + X[k] + 0x6ED9EBA1),s)
#define F(X,Y,Z) ((((X)&(Y)) | ((~(X))&(Z))))
#define G(X,Y,Z) ((((X)&(Y)) | ((X)&(Z)) | ((Y)&(Z))))
#define H(X,Y,Z) (((X)^(Y)^(Z)))
#define lshift(x,s) (((((x)<<(s))&MASK32) | (((x)>>(32-(s)))&MASK32)))
#define ROUND1(a,b,c,d,k,s) a = lshift((a + F(b,c,d) + M[k])&MASK32, s)
#define ROUND2(a,b,c,d,k,s) a = lshift((a + G(b,c,d) + M[k] + 0x5A827999)&MASK32,s)
#define ROUND3(a,b,c,d,k,s) a = lshift((a + H(b,c,d) + M[k] + 0x6ED9EBA1)&MASK32,s)
/* this applies md4 to 64 byte chunks */
static
void
mdfour64
(
uint32
*
M
)
{
int
j
;
uint32
AA
,
BB
,
CC
,
DD
;
uint32
X
[
16
];
uint32
A
,
B
,
C
,
D
;
for
(
j
=
0
;
j
<
16
;
j
++
)
X
[
j
]
=
M
[
j
];
A
=
m
->
A
;
B
=
m
->
B
;
C
=
m
->
C
;
D
=
m
->
D
;
AA
=
A
;
BB
=
B
;
CC
=
C
;
DD
=
D
;
...
...
@@ -64,6 +59,7 @@ static void mdfour64(uint32 *M)
ROUND1
(
A
,
B
,
C
,
D
,
12
,
3
);
ROUND1
(
D
,
A
,
B
,
C
,
13
,
7
);
ROUND1
(
C
,
D
,
A
,
B
,
14
,
11
);
ROUND1
(
B
,
C
,
D
,
A
,
15
,
19
);
ROUND2
(
A
,
B
,
C
,
D
,
0
,
3
);
ROUND2
(
D
,
A
,
B
,
C
,
4
,
5
);
ROUND2
(
C
,
D
,
A
,
B
,
8
,
9
);
ROUND2
(
B
,
C
,
D
,
A
,
12
,
13
);
ROUND2
(
A
,
B
,
C
,
D
,
1
,
3
);
ROUND2
(
D
,
A
,
B
,
C
,
5
,
5
);
...
...
@@ -82,15 +78,11 @@ static void mdfour64(uint32 *M)
ROUND3
(
A
,
B
,
C
,
D
,
3
,
3
);
ROUND3
(
D
,
A
,
B
,
C
,
11
,
9
);
ROUND3
(
C
,
D
,
A
,
B
,
7
,
11
);
ROUND3
(
B
,
C
,
D
,
A
,
15
,
15
);
A
+=
AA
;
B
+=
BB
;
C
+=
CC
;
D
+=
DD
;
#ifdef LARGE_INT32
A
&=
0xFFFFFFFF
;
B
&=
0xFFFFFFFF
;
C
&=
0xFFFFFFFF
;
D
&=
0xFFFFFFFF
;
#endif
A
+=
AA
;
B
+=
BB
;
C
+=
CC
;
D
+=
DD
;
for
(
j
=
0
;
j
<
16
;
j
++
)
X
[
j
]
=
0
;
A
&=
MASK32
;
B
&=
MASK32
;
C
&=
MASK32
;
D
&=
MASK32
;
m
->
A
=
A
;
m
->
B
=
B
;
m
->
C
=
C
;
m
->
D
=
D
;
}
...
...
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