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diff --git a/ext/ipp/sources/ippcp/pcpgfp_setgfp.c b/ext/ipp/sources/ippcp/pcpgfp_setgfp.c
new file mode 100644
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+++ b/ext/ipp/sources/ippcp/pcpgfp_setgfp.c
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+/*******************************************************************************
+* Copyright 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.
+*******************************************************************************/
+
+/* 
+//     Intel(R) Integrated Performance Primitives. Cryptography Primitives.
+//     Operations over GF(p).
+// 
+//     Context:
+//        cpGFpSetGFp()
+// 
+// 
+*/
+#include "owndefs.h"
+#include "owncp.h"
+
+#include "pcpgfpstuff.h"
+#include "pcpgfpxstuff.h"
+#include "pcptool.h"
+
+
+static void cpGFESet(gsModEngine* pGFE, const BNU_CHUNK_T* pPrime, int primeBitSize, const gsModMethod* method)
+{
+   int primeLen = BITS_BNU_CHUNK(primeBitSize);
+
+   /* arithmetic methods */
+   GFP_METHOD(pGFE) = method;
+
+   /* store modulus */
+   COPY_BNU(GFP_MODULUS(pGFE), pPrime, primeLen);
+
+   /* montgomery factor */
+   GFP_MNT_FACTOR(pGFE) = gsMontFactor(GFP_MODULUS(pGFE)[0]);
+
+   /* montgomery identity (R) */
+   ZEXPAND_BNU(GFP_MNT_R(pGFE), 0, primeLen);
+   GFP_MNT_R(pGFE)[primeLen] = 1;
+   cpMod_BNU(GFP_MNT_R(pGFE), primeLen+1, GFP_MODULUS(pGFE), primeLen);
+
+   /* montgomery domain converter (RR) */
+   ZEXPAND_BNU(GFP_MNT_RR(pGFE), 0, primeLen);
+   COPY_BNU(GFP_MNT_RR(pGFE)+primeLen, GFP_MNT_R(pGFE), primeLen);
+   cpMod_BNU(GFP_MNT_RR(pGFE), 2*primeLen, GFP_MODULUS(pGFE), primeLen);
+
+   /* half of modulus */
+   cpLSR_BNU(GFP_HMODULUS(pGFE), GFP_MODULUS(pGFE), primeLen, 1);
+
+   /* set qnr value */
+   cpGFEqnr(pGFE);
+}
+
+IppStatus cpGFpSetGFp(const BNU_CHUNK_T* pPrime, int primeBitSize, const IppsGFpMethod* method, IppsGFpState* pGF)
+{
+   cpGFESet(GFP_PMA(pGF), pPrime, primeBitSize, method->arith);
+   return ippStsNoErr;
+}