C++程序  |  75行  |  2.68 KB

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/*
// 
//  Purpose:
//     Cryptography Primitive.
//     AES-CMAC Functions
// 
//  Contents:
//        init()
//
*/

#include "owndefs.h"
#include "owncp.h"
#include "pcpcmac.h"
#include "pcpaesm.h"
#include "pcptool.h"

#if !defined(_PCP_AES_CMAC_STUFF_H_)
#define _PCP_AES_CMAC_STUFF_H_

__INLINE int cpSizeofCtx_AESCMAC(void)
{
   return sizeof(IppsAES_CMACState) + AESCMAC_ALIGNMENT-1;
}

static void init(IppsAES_CMACState* pCtx)
{
   /* buffer is empty */
   CMAC_INDX(pCtx) = 0;
   /* zeros MAC */
   PaddBlock(0, CMAC_MAC(pCtx), MBS_RIJ128);
}

#endif /* #if !defined(_PCP_AES_CMAC_STUFF_H_) */