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/*******************************************************************************
* Copyright 2002-2018 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.
// Digesting message according to SHA1
//
// Contents:
// SHA1 stuff
//
*/
#include "owndefs.h"
#include "owncp.h"
#include "pcphash.h"
#include "pcphash_rmf.h"
#if !defined(_CP_HASH_SHA1)
#define _CP_HASH_SHA1
/* SHA-1 constants */
static const Ipp32u sha1_iv[] = {
0x67452301, 0xEFCDAB89, 0x98BADCFE, 0x10325476, 0xC3D2E1F0};
static __ALIGN16 const Ipp32u sha1_cnt[] = {
0x5A827999, 0x6ED9EBA1, 0x8F1BBCDC, 0xCA62C1D6
};
static void sha1_hashInit(void* pHash)
{
/* setup initial digest */
((Ipp32u*)pHash)[0] = sha1_iv[0];
((Ipp32u*)pHash)[1] = sha1_iv[1];
((Ipp32u*)pHash)[2] = sha1_iv[2];
((Ipp32u*)pHash)[3] = sha1_iv[3];
((Ipp32u*)pHash)[4] = sha1_iv[4];
}
static void sha1_hashUpdate(void* pHash, const Ipp8u* pMsg, int msgLen)
{
UpdateSHA1(pHash, pMsg, msgLen, sha1_cnt);
}
#if (_SHA_NI_ENABLING_==_FEATURE_TICKTOCK_ || _SHA_NI_ENABLING_==_FEATURE_ON_)
static void sha1_ni_hashUpdate(void* pHash, const Ipp8u* pMsg, int msgLen)
{
UpdateSHA1ni(pHash, pMsg, msgLen, sha1_cnt);
}
#endif
static void sha1_hashOctString(Ipp8u* pMD, void* pHashVal)
{
/* convert hash into big endian */
((Ipp32u*)pMD)[0] = ENDIANNESS32(((Ipp32u*)pHashVal)[0]);
((Ipp32u*)pMD)[1] = ENDIANNESS32(((Ipp32u*)pHashVal)[1]);
((Ipp32u*)pMD)[2] = ENDIANNESS32(((Ipp32u*)pHashVal)[2]);
((Ipp32u*)pMD)[3] = ENDIANNESS32(((Ipp32u*)pHashVal)[3]);
((Ipp32u*)pMD)[4] = ENDIANNESS32(((Ipp32u*)pHashVal)[4]);
}
static void sha1_msgRep(Ipp8u* pDst, Ipp64u lenLo, Ipp64u lenHi)
{
UNREFERENCED_PARAMETER(lenHi);
lenLo = ENDIANNESS64(lenLo<<3);
((Ipp64u*)(pDst))[0] = lenLo;
}
#define cpFinalizeSHA1 OWNAPI(cpFinalizeSHA1)
void cpFinalizeSHA1(DigestSHA1 pHash, const Ipp8u* inpBuffer, int inpLen, Ipp64u processedMsgLen);
#endif /* #if !defined(_CP_HASH_SHA1) */
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