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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
md5_hashInit(void * pHash)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
md5_hashUpdate(void * pHash,const Ipp8u * pMsg,int msgLen)99 static void md5_hashUpdate(void* pHash, const Ipp8u* pMsg, int msgLen)
100 {
101 UpdateMD5(pHash, pMsg, msgLen, md5_cnt);
102 }
103
md5_hashOctString(Ipp8u * pMD,void * pHashVal)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
md5_msgRep(Ipp8u * pDst,Ipp64u lenLo,Ipp64u lenHi)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