hashes.c File Reference

#include <linux/kernel.h>
#include "reiserfs.h"
#include <asm/types.h>

Go to the source code of this file.

Macros
#define	DELTA   0x9E3779B9
#define	FULLROUNDS   10 /* 32 is overkill, 16 is strong crypto */
#define	PARTROUNDS   6 /* 6 gets complete mixing */
#define	TEACORE(rounds)

Functions
u32	keyed_hash (const signed char *msg, int len)
u32	yura_hash (const signed char *msg, int len)
u32	r5_hash (const signed char *msg, int len)

Macro Definition Documentation

#define DELTA   0x9E3779B9

Definition at line 25 of file hashes.c.

#define FULLROUNDS   10 /* 32 is overkill, 16 is strong crypto */

Definition at line 26 of file hashes.c.

#define PARTROUNDS   6 /* 6 gets complete mixing */

Definition at line 27 of file hashes.c.

#define TEACORE

(

rounds

)

Value:

do {                                \
		u32 sum = 0;                      \
        int n = rounds;                     \
		u32 b0, b1;                       \
                                    \
        b0 = h0;                        \
        b1 = h1;                        \
                                    \
        do                          \
        {                           \
			sum += DELTA;                    \
            b0 += ((b1 << 4)+a) ^ (b1+sum) ^ ((b1 >> 5)+b); \
            b1 += ((b0 << 4)+c) ^ (b0+sum) ^ ((b0 >> 5)+d); \
        } while(--n);                       \
                                    \
        h0 += b0;                       \
        h1 += b1;                       \
    } while(0)

Definition at line 30 of file hashes.c.

Function Documentation

u32 keyed_hash	(	const signed char *	msg,
		int	len
	)

Definition at line 50 of file hashes.c.

u32 r5_hash	(	const signed char *	msg,
		int	len
	)

Definition at line 172 of file hashes.c.

u32 yura_hash	(	const signed char *	msg,
		int	len
	)

Definition at line 133 of file hashes.c.