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external/nrf_cc310/include/crys_ecpki_dh.h

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+/**************************************************************************************
+* Copyright (c) 2016-2017, ARM Limited or its affiliates. All rights reserved         *
+*                                                                                     *
+* This file and the related binary are licensed under the following license:          *
+*                                                                                     *
+* ARM Object Code and Header Files License, v1.0 Redistribution.                      *
+*                                                                                     *
+* Redistribution and use of object code, header files, and documentation, without     *
+* modification, are permitted provided that the following conditions are met:         *
+*                                                                                     *
+* 1) Redistributions must reproduce the above copyright notice and the                *
+*    following disclaimer in the documentation and/or other materials                 *
+*    provided with the distribution.                                                  *
+*                                                                                     *
+* 2) Unless to the extent explicitly permitted by law, no reverse                     *
+*    engineering, decompilation, or disassembly of is permitted.                      *
+*                                                                                     *
+* 3) Redistribution and use is permitted solely for the purpose of                    *
+*    developing or executing applications that are targeted for use                   *
+*    on an ARM-based product.                                                         *
+*                                                                                     *
+* DISCLAIMER. THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND                  *
+* CONTRIBUTORS "AS IS." ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT             *
+* NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY, NON-INFRINGEMENT,        *
+* AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE          *
+* COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,   *
+* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED            *
+* TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR              *
+* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF              *
+* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING                *
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+* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.                        *
+**************************************************************************************/
+
+
+
+#ifndef CRYS_ECPKI_DH_H
+#define CRYS_ECPKI_DH_H
+
+/*! @file
+@brief Defines the API that supports EC Diffie-Hellman shared secret value derivation primitives.
+@defgroup crys_ecpki_dh CryptoCell ECC Diffie-Hellman APIs
+@{
+@ingroup cryptocell_ecpki
+*/
+
+
+#include "crys_ecpki_types.h"
+#include "crys_ecpki_error.h"
+
+#ifdef __cplusplus
+extern "C"
+{
+#endif
+
+/***********************************************************************
+ *               CRYS_ECDH_SVDP_DH function                    *
+ ***********************************************************************/
+/*!
+@brief Creates the shared secret value according to [IEEE1363, ANS X9.63]:
+
+<ol><li> Checks input-parameter pointers and EC Domain in public and private
+keys.</li>
+<li> Derives the partner public key and calls the EcWrstDhDeriveSharedSecret
+function, which performs EC SVDP operations.</li></ol>
+\note The term "User"
+refers to any party that calculates a shared secret value using this primitive.
+The term "Partner" refers to any other party of shared secret value calculation.
+Partner's public key shall be validated before using in this primitive.
+
+@return CRYS_OK on success.
+@return A non-zero value on failure as defined crys_ecpki_error.h.
+*/
+CIMPORT_C CRYSError_t CRYS_ECDH_SVDP_DH(
+                        CRYS_ECPKI_UserPublKey_t *PartnerPublKey_ptr,       /*!< [in]  Pointer to a partner public key. */
+                        CRYS_ECPKI_UserPrivKey_t *UserPrivKey_ptr,          /*!< [in]  Pointer to a user private key. */
+                        uint8_t              *SharedSecretValue_ptr,    /*!< [out] Pointer to an output buffer that will contain the shared
+                                               secret value. */
+                        uint32_t                 *SharedSecrValSize_ptr,    /*!< [in/out] Pointer to the size of user-passed buffer (in) and
+                                                                                          actual size of output of calculated shared secret value
+                                              (out). */
+                        CRYS_ECDH_TempData_t     *TempBuff_ptr              /*!< [in]  Pointer to a temporary buffer. */);
+
+#ifdef __cplusplus
+}
+#endif
+/**
+@}
+ */
+#endif