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Diffstat (limited to 'ext/ipp/sources/ippcp/pcpeccpsignsm2ca.c')
| -rw-r--r-- | ext/ipp/sources/ippcp/pcpeccpsignsm2ca.c | 120 |
1 files changed, 120 insertions, 0 deletions
diff --git a/ext/ipp/sources/ippcp/pcpeccpsignsm2ca.c b/ext/ipp/sources/ippcp/pcpeccpsignsm2ca.c new file mode 100644 index 0000000..586956e --- /dev/null +++ b/ext/ipp/sources/ippcp/pcpeccpsignsm2ca.c @@ -0,0 +1,120 @@ +/******************************************************************************* +* Copyright 2013-2018 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 (Sign, SM2 version) +// +// Contents: +// ippsECCPSignSM2() +// +// +*/ + +#include "owndefs.h" +#include "owncp.h" +#include "pcpeccp.h" + + +/*F* +// Name: ippsECCPSignSM2 +// +// Purpose: Signing of message representative. +// (SM2 version). +// +// Returns: Reason: +// ippStsNullPtrErr NULL == pEC +// NULL == pMsgDigest +// NULL == pRegPrivate +// NULL == pEphPrivate +// NULL == pSignR +// NULL == pSignS +// +// ippStsContextMatchErr illegal pEC->idCtx +// illegal pMsgDigest->idCtx +// illegal pRegPrivate->idCtx +// illegal pEphPrivate->idCtx +// illegal pSignR->idCtx +// illegal pSignS->idCtx +// +// ippStsIvalidPrivateKey (1 + regPrivate) >= order +// +// ippStsMessageErr MsgDigest >= order +// MsgDigest < 0 +// +// ippStsRangeErr not enough room for: +// signR +// signS +// +// ippStsEphemeralKeyErr (signR + ephPrivate) == order +// (0==signR) || (0==signS) +// +// ippStsNoErr no errors +// +// Parameters: +// pMsgDigest pointer to the message representative to be signed +// pRegPrivate pointer to the regular private key +// pEphPrivate pointer to the ephemeral private key +// pSignR,pSignS pointer to the signature +// pEC pointer to the ECCP context +// +// Note: +// ephemeral key computes inside ippsECCPSignSM2 in contrast with ippsECCPSignDSA, +// where ephemeral key pair computed before call and setup in context +// +*F*/ +IPPFUN(IppStatus, ippsECCPSignSM2,(const IppsBigNumState* pMsgDigest, + const IppsBigNumState* pRegPrivate, + const IppsBigNumState* pEphPrivate, + IppsBigNumState* pSignR, IppsBigNumState* pSignS, + 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); + + return ippsGFpECSignSM2(pMsgDigest, + pRegPrivate, pEphPrivate, + pSignR, pSignS, + pEC, (Ipp8u*)ECP_SBUFFER(pEC)); +} |