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     40 
     41 /*
     42 //
     43 //  Purpose:
     44 //     Cryptography Primitive.
     45 //     Digesting message according to MD5
     46 //     (derived from the RSA Data Security, Inc. MD5 Message-Digest Algorithm)
     47 //
     48 //     Equivalent code is available from RFC 1321.
     49 //
     50 //  Contents:
     51 //    MD4 methods and constants
     52 //
     53 */
     54 
     55 #include "owndefs.h"
     56 #include "owncp.h"
     57 #include "pcphash.h"
     58 #include "pcphash_rmf.h"
     59 #include "pcptool.h"
     60 
     61 #if !defined(_PCP_MD5_STUFF_H)
     62 #define _PCP_MD5_STUFF_H
     63 
     64 /* MD5 constants */
     65 static const Ipp32u md5_iv[] = {
     66    0x67452301, 0xEFCDAB89, 0x98BADCFE, 0x10325476};
     67 
     68 static __ALIGN16 const Ipp32u md5_cnt[] = {
     69    0xD76AA478, 0xE8C7B756, 0x242070DB, 0xC1BDCEEE,
     70    0xF57C0FAF, 0x4787C62A, 0xA8304613, 0xFD469501,
     71    0x698098D8, 0x8B44F7AF, 0xFFFF5BB1, 0x895CD7BE,
     72    0x6B901122, 0xFD987193, 0xA679438E, 0x49B40821,
     73 
     74    0xF61E2562, 0xC040B340, 0x265E5A51, 0xE9B6C7AA,
     75    0xD62F105D, 0x02441453, 0xD8A1E681, 0xE7D3FBC8,
     76    0x21E1CDE6, 0xC33707D6, 0xF4D50D87, 0x455A14ED,
     77    0xA9E3E905, 0xFCEFA3F8, 0x676F02D9, 0x8D2A4C8A,
     78 
     79    0xFFFA3942, 0x8771F681, 0x6D9D6122, 0xFDE5380C,
     80    0xA4BEEA44, 0x4BDECFA9, 0xF6BB4B60, 0xBEBFBC70,
     81    0x289B7EC6, 0xEAA127FA, 0xD4EF3085, 0x04881D05,
     82    0xD9D4D039, 0xE6DB99E5, 0x1FA27CF8, 0xC4AC5665,
     83 
     84    0xF4292244, 0x432AFF97, 0xAB9423A7, 0xFC93A039,
     85    0x655B59C3, 0x8F0CCC92, 0xFFEFF47D, 0x85845DD1,
     86    0x6FA87E4F, 0xFE2CE6E0, 0xA3014314, 0x4E0811A1,
     87    0xF7537E82, 0xBD3AF235, 0x2AD7D2BB, 0xEB86D391
     88 };
     89 
     90 static void md5_hashInit(void* pHash)
     91 {
     92    /* setup initial digest */
     93    ((Ipp32u*)pHash)[0] = md5_iv[0];
     94    ((Ipp32u*)pHash)[1] = md5_iv[1];
     95    ((Ipp32u*)pHash)[2] = md5_iv[2];
     96    ((Ipp32u*)pHash)[3] = md5_iv[3];
     97 }
     98 
     99 static void md5_hashUpdate(void* pHash, const Ipp8u* pMsg, int msgLen)
    100 {
    101    UpdateMD5(pHash, pMsg, msgLen, md5_cnt);
    102 }
    103 
    104 static void md5_hashOctString(Ipp8u* pMD, void* pHashVal)
    105 {
    106    /* md5 does not need conversion into big endian */
    107    ((Ipp32u*)pMD)[0] = ((Ipp32u*)pHashVal)[0];
    108    ((Ipp32u*)pMD)[1] = ((Ipp32u*)pHashVal)[1];
    109    ((Ipp32u*)pMD)[2] = ((Ipp32u*)pHashVal)[2];
    110    ((Ipp32u*)pMD)[3] = ((Ipp32u*)pHashVal)[3];
    111 }
    112 
    113 static void md5_msgRep(Ipp8u* pDst, Ipp64u lenLo, Ipp64u lenHi)
    114 {
    115    UNREFERENCED_PARAMETER(lenHi);
    116    lenLo <<= 3;
    117    ((Ipp64u*)(pDst))[0] = lenLo;
    118 }
    119 
    120 #define cpFinalizeMD5 OWNAPI(cpFinalizeMD5)
    121 
    122 void cpFinalizeMD5(DigestMD5 pHash, const Ipp8u* inpBuffer, int inpLen, Ipp64u processedMsgLen);
    123 
    124 #endif /* #if !defined(_PCP_MD5_STUFF_H) */
    125