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Diffstat (limited to 'ext/ipp/sources/ippcp/pcphashca_rmf.c')
-rw-r--r-- | ext/ipp/sources/ippcp/pcphashca_rmf.c | 83 |
1 files changed, 83 insertions, 0 deletions
diff --git a/ext/ipp/sources/ippcp/pcphashca_rmf.c b/ext/ipp/sources/ippcp/pcphashca_rmf.c new file mode 100644 index 0000000..0d9ca8d --- /dev/null +++ b/ext/ipp/sources/ippcp/pcphashca_rmf.c @@ -0,0 +1,83 @@ +/******************************************************************************* +* Copyright 2016-2018 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. +// Security Hash Standard +// Generalized Functionality +// +// Contents: +// cpFinalize_rmf() +// +*/ + +#include "owndefs.h" +#include "owncp.h" +#include "pcphash_rmf.h" +#include "pcptool.h" + + +void cpFinalize_rmf(DigestSHA512 pHash, + const Ipp8u* inpBuffer, int inpLen, + Ipp64u lenLo, Ipp64u lenHi, + const IppsHashMethod* method) +{ + int mbs = method->msgBlkSize; /* messge block size */ + int mrl = method->msgLenRepSize; /* processed length representation size */ + + /* local buffer and it length */ + Ipp8u buffer[MBS_SHA512*2]; + int bufferLen = inpLen < (mbs-mrl)? mbs : mbs*2; + + /* copy rest of message into internal buffer */ + CopyBlock(inpBuffer, buffer, inpLen); + + /* padd message */ + buffer[inpLen++] = 0x80; + PaddBlock(0, buffer+inpLen, bufferLen-inpLen-mrl); + + /* message length representation */ + method->msgLenRep(buffer+bufferLen-mrl, lenLo, lenHi); + + /* copmplete hash computation */ + method->hashUpdate(pHash, buffer, bufferLen); +} |