1 files changed, 73 insertions, 0 deletions
diff --git a/ext/ipp/sources/ippcp/gsmod_unpackctx.c b/ext/ipp/sources/ippcp/gsmod_unpackctx.c
new file mode 100644
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+++ b/ext/ipp/sources/ippcp/gsmod_unpackctx.c
@@ -0,0 +1,73 @@
+/*******************************************************************************
+* Copyright 2017-2018 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.
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+* 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:
+//     Cryptography Primitive. Modular Arithmetic Engine. General Functionality
+// 
+//  Contents:
+//        gsUnpackModEngineCtx()
+//
+*/
+
+#include "owndefs.h"
+#include "owncp.h"
+#include "pcpbnumisc.h"
+#include "pcpbnuarith.h"
+#include "gsmodstuff.h"
+#include "pcptool.h"
+
+void gsUnpackModEngineCtx(const Ipp8u* pBuffer, gsModEngine* pCtx)
+{
+   gsModEngine* pAlignedBuffer = (gsModEngine*)pBuffer;
+
+   /* max modulus length */
+   int modSize = MOD_LEN(pAlignedBuffer);
+   /* size of context (bytes) without cube and pool buffers */
+   int ctxSize = sizeof(gsModEngine)
+                +sizeof(BNU_CHUNK_T)*(modSize*3);
+
+   CopyBlock(pAlignedBuffer, pCtx, ctxSize);
+   MOD_MODULUS(pCtx)  = (BNU_CHUNK_T*)((Ipp8u*)pCtx + IPP_UINT_PTR(MOD_MODULUS(pAlignedBuffer)));
+   MOD_MNT_R(pCtx)    = (BNU_CHUNK_T*)((Ipp8u*)pCtx + IPP_UINT_PTR(MOD_MNT_R(pAlignedBuffer)));
+   MOD_MNT_R2(pCtx)   = (BNU_CHUNK_T*)((Ipp8u*)pCtx + IPP_UINT_PTR(MOD_MNT_R2(pAlignedBuffer)));
+   MOD_POOL_BUF(pCtx) = MOD_MNT_R2(pCtx) + modSize;
+}