/************************************************************************************** * 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 * * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS * * 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. */ #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