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use macros to make mdfour faster on systems that don't do inlining

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well. Also helps when optimisation level is low.
This commit is contained in:
Andrew Tridgell committed 1998-11-04 02:35:18 +00:00
1 parent 946347b8ff
commit 2fb27e9146
1 file changed
+11 -23
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lib/mdfour.c
+11 -23
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@@ -28,30 +28,14 @@
static struct mdfour *m;
static inline uint32 F(uint32 X, uint32 Y, uint32 Z)
{
return (X&Y) | ((~X)&Z);
}
static inline uint32 G(uint32 X, uint32 Y, uint32 Z)
{
return (X&Y) | (X&Z) | (Y&Z);
}
static inline uint32 H(uint32 X, uint32 Y, uint32 Z)
{
return X^Y^Z;
}
static inline uint32 lshift(uint32 x, int 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))
#ifdef LARGE_INT32
x &= 0xFFFFFFFF;
return ((x<<s)&0xFFFFFFFF) | (x>>(32-s));
#define lshift(x,s) ((((x)<<(s))&0xFFFFFFFF) | (((x)>>(32-(s)))&0xFFFFFFFF))
#else
return ((x<<s) | (x>>(32-s)));
#define lshift(x,s) (((x)<<(s)) | ((x)>>(32-(s))))
#endif
}
#define ROUND1(a,b,c,d,k,s) a = lshift(a + F(b,c,d) + X[k], s)
#define ROUND2(a,b,c,d,k,s) a = lshift(a + G(b,c,d) + X[k] + 0x5A827999,s)
@@ -209,8 +193,8 @@ static void file_checksum1(char *fname)
{
int fd, i;
struct mdfour md;
unsigned char buf[64], sum[16];
unsigned char buf[64*1024], sum[16];
fd = open(fname,O_RDONLY);
if (fd == -1) {
perror("fname");
@@ -234,6 +218,7 @@ static void file_checksum1(char *fname)
printf("\n");
}
#if 0
#include "../md4.h"
static void file_checksum2(char *fname)
@@ -268,11 +253,14 @@ static void file_checksum2(char *fname)
printf("%02X", sum[i]);
printf("\n");
}
#endif
int main(int argc, char *argv[])
{
file_checksum1(argv[1]);
#if 0
file_checksum2(argv[1]);
#endif
return 0;
}
#endif