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     40 
     41 /*
     42 //
     43 //  Purpose:
     44 //     Cryptography Primitive.
     45 //     Security Hash Standard
     46 //     General Functionality
     47 //
     48 //  Contents:
     49 //        cpInitHash()
     50 //
     51 */
     52 
     53 #include "owndefs.h"
     54 #include "owncp.h"
     55 #include "pcphash.h"
     56 #include "pcphash_func.h"
     57 #include "pcptool.h"
     58 
     59 int cpInitHash(IppsHashState* pCtx, IppHashAlgId algID)
     60 {
     61    /* setup default processing function */
     62    HASH_FUNC(pCtx) = cpHashProcFunc[algID];
     63 
     64    /* update default processing function if SHA-NI enabled */
     65    #if (_IPP>=_IPP_P8) || (_IPP32E>=_IPP32E_Y8)
     66    if( IsFeatureEnabled(ippCPUID_SHA) ) {
     67 
     68       #if defined(_ENABLE_ALG_SHA1_)
     69       if(ippHashAlg_SHA1==algID)
     70          HASH_FUNC(pCtx) = UpdateSHA1ni;
     71       #endif
     72 
     73       #if defined(_ENABLE_ALG_SHA256_) || defined(_ENABLE_ALG_SHA224_)
     74       if(ippHashAlg_SHA256==algID || ippHashAlg_SHA224==algID)
     75          HASH_FUNC(pCtx) = UpdateSHA256ni;
     76       #endif
     77    }
     78    #endif
     79 
     80    /* setup optional agr of processing function */
     81    HASH_FUNC_PAR(pCtx) = cpHashProcFuncOpt[algID];
     82 
     83    return cpReInitHash(pCtx, algID);
     84 }
     85