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/* 
// 
//  Purpose:
//     Cryptography Primitive.
//     Digesting message according to SHA1
// 
//  Contents:
//        ippsHashMethod_SHA1_TT()
//
*/

#include "owndefs.h"
#include "owncp.h"
#include "pcphash.h"
#include "pcphash_rmf.h"
#include "pcptool.h"
#include "pcpsha1stuff.h"

/*F*
//    Name: ippsHashMethod_SHA1_TT
//
// Purpose: Return SHA1 method 
//          (using the SHA-NI instructions set 
//             if it is available at run time)
//
// Returns:
//          Pointer to SHA1 hash-method
//          (using the SHA-NI instructions set
//             if it is available at run time)
//
*F*/

IPPFUN( const IppsHashMethod*, ippsHashMethod_SHA1_TT, (void) )
{
   static IppsHashMethod method = {
      ippHashAlg_SHA1,
      IPP_SHA1_DIGEST_BITSIZE/8,
      MBS_SHA1,
      MLR_SHA1,
      sha1_hashInit,
      sha1_hashUpdate,
      sha1_hashOctString,
      sha1_msgRep
   };
   #if (_SHA_NI_ENABLING_==_FEATURE_TICKTOCK_ || _SHA_NI_ENABLING_==_FEATURE_ON_)
   if(IsFeatureEnabled(ippCPUID_SHA))
      method.hashUpdate = sha1_ni_hashUpdate;
   #endif
   return &method;
}