36 lines
584 B
C
36 lines
584 B
C
|
|
/*++
|
|
|
|
Copyright (c) 1995 Microsoft Corporation
|
|
|
|
Module Name:
|
|
|
|
crchash.h
|
|
|
|
Abstract:
|
|
CRC Hash function
|
|
*/
|
|
|
|
#ifndef __CRCHASH_H
|
|
#define __CRCHASH_H
|
|
|
|
#define POLY 0x48000000L /* 31-bit polynomial (avoids sign problems) */
|
|
|
|
extern long CrcTable[128];
|
|
void crcinit();
|
|
|
|
DWORD CRCHash(IN const BYTE * Key, IN DWORD KeyLength);
|
|
|
|
DWORD CRCHashNoCase(IN const BYTE * Key, IN DWORD KeyLength);
|
|
|
|
DWORD CRCHashWithPrecompute(IN DWORD PreComputedHash, IN const BYTE * Key, IN DWORD KeyLength);
|
|
|
|
DWORD
|
|
CRCChainingHash( DWORD sum,
|
|
const BYTE* (&Key),
|
|
BYTE bTerm
|
|
) ;
|
|
|
|
|
|
#endif
|