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Diffstat (limited to 'ext/ipp/sources/ippcp/pcpeccpsetkeyca.c')
-rw-r--r-- | ext/ipp/sources/ippcp/pcpeccpsetkeyca.c | 128 |
1 files changed, 128 insertions, 0 deletions
diff --git a/ext/ipp/sources/ippcp/pcpeccpsetkeyca.c b/ext/ipp/sources/ippcp/pcpeccpsetkeyca.c new file mode 100644 index 0000000..571a5da --- /dev/null +++ b/ext/ipp/sources/ippcp/pcpeccpsetkeyca.c @@ -0,0 +1,128 @@ +/******************************************************************************* +* Copyright 2003-2018 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: +// Cryptography Primitive. +// EC over Prime Finite Field (EC Key Generation) +// +// Contents: +// ippsECCPSetKeyPair() +// +// +*/ + +#include "owndefs.h" +#include "owncp.h" +#include "pcpeccp.h" + + +/*F* +// Name: ippsECCPSetKeyPair +// +// Purpose: Generate (private,public) Key Pair +// +// Returns: Reason: +// ippStsNullPtrErr NULL == pEC +// NULL == pPrivate +// NULL == pPublic +// +// ippStsContextMatchErr illegal pEC->idCtx +// illegal pPrivate->idCtx +// illegal pPublic->idCtx +// +// ippStsNoErr no errors +// +// Parameters: +// pPrivate pointer to the private key +// pPublic pointer to the public key +// regular flag regular/ephemeral keys +// pEC pointer to the ECCP context +// +*F*/ +IPPFUN(IppStatus, ippsECCPSetKeyPair, (const IppsBigNumState* pPrivate, const IppsECCPPointState* pPublic, + IppBool regular, + IppsECCPState* pEC)) +{ + /* use aligned EC context */ + IPP_BAD_PTR1_RET(pEC); + pEC = (IppsGFpECState*)( IPP_ALIGNED_PTR(pEC, ECGFP_ALIGNMENT) ); + IPP_BADARG_RET(!ECP_TEST_ID(pEC), ippStsContextMatchErr); + + { + BNU_CHUNK_T* targetPrivate; + BNU_CHUNK_T* targetPublic; + + if(regular) { + targetPrivate = ECP_PRIVAT(pEC); + targetPublic = ECP_PUBLIC(pEC); + } + else { + targetPrivate = ECP_PRIVAT_E(pEC); + targetPublic = ECP_PUBLIC_E(pEC); + } + + /* set up private key request */ + if( pPrivate ) { + pPrivate = (IppsBigNumState*)( IPP_ALIGNED_PTR(pPrivate, ALIGN_VAL) ); + IPP_BADARG_RET(!BN_VALID_ID(pPrivate), ippStsContextMatchErr); + { + int privateLen = BITS_BNU_CHUNK(ECP_ORDBITSIZE(pEC)); + cpGFpElementCopyPadd(targetPrivate, privateLen, BN_NUMBER(pPrivate), BN_SIZE(pPrivate)); + } + } + + /* set up public key request */ + if( pPublic ) { + IPP_BADARG_RET( !ECP_POINT_TEST_ID(pPublic), ippStsContextMatchErr ); + { + BNU_CHUNK_T* targetPublicX = targetPublic; + BNU_CHUNK_T* targetPublicY = targetPublic+ECP_POINT_FELEN(pPublic); + gfec_GetPoint(targetPublicX, targetPublicY, pPublic, pEC); + gfec_SetPoint(targetPublic, targetPublicX, targetPublicY, pEC); + + //cpGFpElementCopy(targetPublic, ECP_POINT_DATA(pPublic), publicLen); + } + } + + return ippStsNoErr; + } +} |