//-----------------------------------------------------------------------------
//
// File:   cbckey.h
//
// Microsoft Digital Rights Management
// Copyright (C) Microsoft Corporation, 1998 - 1999, All Rights Reserved
//
// Description:
//
//-----------------------------------------------------------------------------


#ifndef __CBCMAC_H__
#define __CBCMAC_H__

// #define _TEST_MAC to compile code in a "default" environment
#ifndef _TEST_MAC
#define _TEST_MAC
#endif

#ifdef _TEST_MAC
#define SHCLASS
#endif


typedef struct _CBCKey {
    UINT32 a1, b1, c1, d1, e1, f1, a2, b2, c2, d2, e2, f2;
} CBCKey;

UINT32 CBC64WS4_asm(
          UINT32   *Data,
          unsigned NumDWORDBlocks,
          UINT32   *pKey2,
		  CBCKey key );

UINT32 InvCBC64WS4_asm(
          UINT32   *Data,
          unsigned NumDWORDBlocks,
          UINT32   *pKey2,
		  CBCKey key,
		  CBCKey ikey );

UINT32 inv32(UINT32 n);

typedef struct {
  UINT32 sum,t;
  BYTE buf[8];
  DWORD dwBufLen;
} CBCState;

void CBC64Init( CBCKey *cbckey, CBCState *cbcstate, BYTE *pKey );
void CBC64InitState( CBCState *cbcstate );
void CBC64InvKey( CBCKey *cbcKey, CBCKey *cbcInvKey );
void CBC64Update( CBCKey *key, CBCState *cbcstate,DWORD dwLen, BYTE *pData );
UINT32 CBC64Finalize( CBCKey *key, CBCState *cbcstate, UINT32 *pKey2 );
UINT32 CBC64Invert( CBCKey *key, CBCKey *ikey, UINT32 MacA1, UINT32 MacA2,
		UINT32 MacB1, UINT32 MacB2, UINT32 *pInvKey2 );









#endif