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diff --git a/ext/ipp/sources/ippcp/pcpgfpec_mulbase.c b/ext/ipp/sources/ippcp/pcpgfpec_mulbase.c
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+++ b/ext/ipp/sources/ippcp/pcpgfpec_mulbase.c
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+/*******************************************************************************
+* Copyright 2010-2018 Intel Corporation
+* All Rights Reserved.
+*
+* If this  software was obtained  under the  Intel Simplified  Software License,
+* the following terms apply:
+*
+* The source code,  information  and material  ("Material") contained  herein is
+* owned by Intel Corporation or its  suppliers or licensors,  and  title to such
+* Material remains with Intel  Corporation or its  suppliers or  licensors.  The
+* Material  contains  proprietary  information  of  Intel or  its suppliers  and
+* licensors.  The Material is protected by  worldwide copyright  laws and treaty
+* provisions.  No part  of  the  Material   may  be  used,  copied,  reproduced,
+* modified, published,  uploaded, posted, transmitted,  distributed or disclosed
+* in any way without Intel's prior express written permission.  No license under
+* any patent,  copyright or other  intellectual property rights  in the Material
+* is granted to  or  conferred  upon  you,  either   expressly,  by implication,
+* inducement,  estoppel  or  otherwise.  Any  license   under such  intellectual
+* property rights must be express and approved by Intel in writing.
+*
+* Unless otherwise agreed by Intel in writing,  you may not remove or alter this
+* notice or  any  other  notice   embedded  in  Materials  by  Intel  or Intel's
+* suppliers or licensors in any way.
+*
+*
+* If this  software  was obtained  under the  Apache License,  Version  2.0 (the
+* "License"), the following terms apply:
+*
+* You may  not use this  file except  in compliance  with  the License.  You may
+* obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0
+*
+*
+* Unless  required  by   applicable  law  or  agreed  to  in  writing,  software
+* distributed under the License  is distributed  on an  "AS IS"  BASIS,  WITHOUT
+* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+*
+* See the   License  for the   specific  language   governing   permissions  and
+* limitations under the License.
+*******************************************************************************/
+
+/* 
+// 
+//  Purpose:
+//     Intel(R) Integrated Performance Primitives. Cryptography Primitives.
+//     Internal EC over GF(p^m) basic Definitions & Function Prototypes
+// 
+//     Context:
+//        gfec_base_point_mul()
+//
+*/
+
+#include "owndefs.h"
+#include "owncp.h"
+#include "pcpgfpecstuff.h"
+#include "pcpmask_ct.h"
+
+void gfec_base_point_mul(BNU_CHUNK_T* pRdata, const Ipp8u* pScalar8, int scalarBitSize, IppsGFpECState* pEC)
+{
+   /* size of window, get function and pre-computed table */
+   int window_size = ECP_PREMULBP(pEC)->w;
+   selectAP select_affine_point = ECP_PREMULBP(pEC)->select_affine_point;
+   const BNU_CHUNK_T* pTbl = ECP_PREMULBP(pEC)->pTbl;
+
+   IppsGFpState* pGF = ECP_GFP(pEC);
+   gsModEngine* pGFE = GFP_PMA(pGF);
+   int elmLen = GFP_FELEN(pGFE);
+
+   mod_neg negF = GFP_METHOD(pGFE)->neg;
+
+   BNU_CHUNK_T* mont1 = GFP_MNT_R(pGFE);
+
+   /* number of points per table slot */
+   int tslot_point = 1<<(window_size-1);
+   int tslot_size = tslot_point * (elmLen*2);
+
+   BNU_CHUNK_T* negtmp = cpGFpGetPool(1, pGFE);  /* temporary element */
+   BNU_CHUNK_T* pointT = cpEcGFpGetPool(1, pEC); /* temporary point */
+
+   Ipp8u digit, sign;
+   int mask = (1<<(window_size+1)) -1;
+   int bit = 0;
+
+   /* processing of window[0] */
+   int wvalue = *((Ipp16u*)&pScalar8[0]);
+   wvalue = (wvalue << 1) & mask;
+
+   booth_recode(&sign, &digit, (Ipp8u)wvalue, window_size);
+   select_affine_point(pRdata, pTbl, digit);
+
+   negF(negtmp, pRdata+elmLen, pGFE);
+   cpMaskedReplace_ct(pRdata+elmLen, negtmp, elmLen, ~cpIsZero_ct(sign));
+   cpGFpElementCopy(pRdata+elmLen*2, mont1, elmLen);
+   cpGFpElementCopy(pointT+elmLen*2, mont1, elmLen);
+
+   /* processing of other windows.. [1],[2],... */
+   for(bit+=window_size, pTbl+=tslot_size; bit<=scalarBitSize; bit+=window_size, pTbl+=tslot_size) {
+      wvalue = *((Ipp16u*)&pScalar8[(bit-1)/8]);
+      wvalue = (wvalue>> ((bit-1)%8)) & mask;
+
+      booth_recode(&sign, &digit, (Ipp8u)wvalue, window_size);
+      select_affine_point(pointT, pTbl, digit);
+
+      negF(negtmp, pointT+elmLen, pGFE);
+      cpMaskedReplace_ct(pointT+elmLen, negtmp, elmLen, ~cpIsZero_ct(sign));
+
+      gfec_affine_point_add(pRdata, pRdata, pointT, pEC);
+   }
+
+   cpEcGFpReleasePool(1, pEC);
+   cpGFpReleasePool(1, pGFE);
+}