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     40 
     41 /*
     42 //
     43 //  Purpose:
     44 //     Cryptography Primitive.
     45 //     Digesting message according to SHA1
     46 //
     47 //  Contents:
     48 //        SHA1 stuff
     49 //
     50 */
     51 
     52 #include "owndefs.h"
     53 #include "owncp.h"
     54 #include "pcphash.h"
     55 #include "pcphash_rmf.h"
     56 
     57 #if !defined(_CP_HASH_SHA1)
     58 #define _CP_HASH_SHA1
     59 
     60 /* SHA-1 constants */
     61 static const Ipp32u sha1_iv[] = {
     62    0x67452301, 0xEFCDAB89, 0x98BADCFE, 0x10325476, 0xC3D2E1F0};
     63 
     64 static __ALIGN16 const Ipp32u sha1_cnt[] = {
     65    0x5A827999, 0x6ED9EBA1, 0x8F1BBCDC, 0xCA62C1D6
     66 };
     67 
     68 static void sha1_hashInit(void* pHash)
     69 {
     70    /* setup initial digest */
     71    ((Ipp32u*)pHash)[0] = sha1_iv[0];
     72    ((Ipp32u*)pHash)[1] = sha1_iv[1];
     73    ((Ipp32u*)pHash)[2] = sha1_iv[2];
     74    ((Ipp32u*)pHash)[3] = sha1_iv[3];
     75    ((Ipp32u*)pHash)[4] = sha1_iv[4];
     76 }
     77 
     78 static void sha1_hashUpdate(void* pHash, const Ipp8u* pMsg, int msgLen)
     79 {
     80    UpdateSHA1(pHash, pMsg, msgLen, sha1_cnt);
     81 }
     82 
     83 #if (_SHA_NI_ENABLING_==_FEATURE_TICKTOCK_ || _SHA_NI_ENABLING_==_FEATURE_ON_)
     84 static void sha1_ni_hashUpdate(void* pHash, const Ipp8u* pMsg, int msgLen)
     85 {
     86    UpdateSHA1ni(pHash, pMsg, msgLen, sha1_cnt);
     87 }
     88 #endif
     89 
     90 static void sha1_hashOctString(Ipp8u* pMD, void* pHashVal)
     91 {
     92    /* convert hash into big endian */
     93    ((Ipp32u*)pMD)[0] = ENDIANNESS32(((Ipp32u*)pHashVal)[0]);
     94    ((Ipp32u*)pMD)[1] = ENDIANNESS32(((Ipp32u*)pHashVal)[1]);
     95    ((Ipp32u*)pMD)[2] = ENDIANNESS32(((Ipp32u*)pHashVal)[2]);
     96    ((Ipp32u*)pMD)[3] = ENDIANNESS32(((Ipp32u*)pHashVal)[3]);
     97    ((Ipp32u*)pMD)[4] = ENDIANNESS32(((Ipp32u*)pHashVal)[4]);
     98 }
     99 
    100 static void sha1_msgRep(Ipp8u* pDst, Ipp64u lenLo, Ipp64u lenHi)
    101 {
    102    UNREFERENCED_PARAMETER(lenHi);
    103    lenLo = ENDIANNESS64(lenLo<<3);
    104    ((Ipp64u*)(pDst))[0] = lenLo;
    105 }
    106 
    107 #define cpFinalizeSHA1 OWNAPI(cpFinalizeSHA1)
    108 void cpFinalizeSHA1(DigestSHA1 pHash, const Ipp8u* inpBuffer, int inpLen, Ipp64u processedMsgLen);
    109 
    110 #endif /* #if !defined(_CP_HASH_SHA1) */