ext/ipp/sources/ippcp/pcpsha1stuff.h

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/* 
// 
//  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) */