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/* 
// 
//  Purpose:
//     Cryptography Primitive.
//     Digesting message according to SHA1
// 
//  Contents:
//        ippsSHA1Duplicate()
//
*/

#include "owndefs.h"
#include "owncp.h"
#include "pcphash.h"
#include "pcphash_rmf.h"
#include "pcptool.h"

/*F*
//    Name: ippsSHA1Duplicate
//
// Purpose: Clone SHA1 state.
//
// Returns:                Reason:
//    ippStsNullPtrErr        pSrcState == NULL
//                            pDstState == NULL
//    ippStsContextMatchErr   pSrcState->idCtx != idCtxSHA1
//                            pDstState->idCtx != idCtxSHA1
//    ippStsNoErr             no errors
//
// Parameters:
//    pSrcState   pointer to the source SHA1 state
//    pDstState   pointer to the target SHA1 state
//
// Note:
//    pDstState may to be uninitialized by ippsSHA1Init()
//
*F*/
IPPFUN(IppStatus, ippsSHA1Duplicate,(const IppsSHA1State* pSrcState, IppsSHA1State* pDstState))
{
   /* test state pointers */
   IPP_BAD_PTR2_RET(pSrcState, pDstState);
   pSrcState = (IppsSHA1State*)( IPP_ALIGNED_PTR(pSrcState, SHA1_ALIGNMENT) );
   pDstState = (IppsSHA1State*)( IPP_ALIGNED_PTR(pDstState, SHA1_ALIGNMENT) );
   IPP_BADARG_RET(idCtxSHA1 !=HASH_CTX_ID(pSrcState), ippStsContextMatchErr);

   /* copy state */
   CopyBlock(pSrcState, pDstState, sizeof(IppsSHA1State));

   return ippStsNoErr;
}