|
1 /* |
|
2 * Copyright (c) 2005-2009 Nokia Corporation and/or its subsidiary(-ies). |
|
3 * All rights reserved. |
|
4 * This component and the accompanying materials are made available |
|
5 * under the terms of the License "Eclipse Public License v1.0" |
|
6 * which accompanies this distribution, and is available |
|
7 * at the URL "http://www.eclipse.org/legal/epl-v10.html". |
|
8 * |
|
9 * Initial Contributors: |
|
10 * Nokia Corporation - initial contribution. |
|
11 * |
|
12 * Contributors: |
|
13 * |
|
14 * Description: |
|
15 * (c) 2003 Symbian Ltd. All rights reserved. |
|
16 * |
|
17 */ |
|
18 |
|
19 |
|
20 |
|
21 |
|
22 /** |
|
23 @file |
|
24 */ |
|
25 |
|
26 #include <e32std.h> |
|
27 #include <hash.h> |
|
28 #include "hashinc.h" |
|
29 #define EXPANDLOOP |
|
30 |
|
31 // |
|
32 // 32bit endianness independent MD5 implementation |
|
33 // |
|
34 CMD5::CMD5(void) |
|
35 : CMessageDigest(),iHash(MD5_HASH) |
|
36 { |
|
37 } |
|
38 CMD5::CMD5(const CMD5& aMD) |
|
39 : CMessageDigest(aMD), |
|
40 iHash(aMD.iHash),iA(aMD.iA),iB(aMD.iB),iC(aMD.iC),iD(aMD.iD), |
|
41 iNl(aMD.iNl),iNh(aMD.iNh) |
|
42 { |
|
43 (void)Mem::Copy(iData,aMD.iData,sizeof(iData)); |
|
44 } |
|
45 EXPORT_C CMD5* CMD5::NewL(void) |
|
46 { |
|
47 CMD5* self = new (ELeave) CMD5(); |
|
48 self->Reset(); |
|
49 return (self); |
|
50 } |
|
51 EXPORT_C CMessageDigest* CMD5::ReplicateL(void) |
|
52 { |
|
53 CMD5* newMD5 = CMD5::NewL(); |
|
54 return (newMD5); |
|
55 } |
|
56 EXPORT_C CMD5::~CMD5(void) |
|
57 { |
|
58 } |
|
59 |
|
60 EXPORT_C TPtrC8 CMD5::Hash(const TDesC8& aMessage) |
|
61 { |
|
62 TPtrC8 ptr(KNullDesC8()); |
|
63 DoUpdate(aMessage.Ptr(),aMessage.Size()); |
|
64 StoreState(); |
|
65 DoFinal(); |
|
66 ptr.Set(iHash); |
|
67 RestoreState(); |
|
68 return ptr; |
|
69 } |
|
70 |
|
71 EXPORT_C CMessageDigest* CMD5::CopyL(void) |
|
72 { |
|
73 return new(ELeave) CMD5(*this); |
|
74 } |
|
75 EXPORT_C TInt CMD5::BlockSize(void) |
|
76 { |
|
77 return sizeof(iData); |
|
78 } |
|
79 EXPORT_C TInt CMD5::HashSize(void) |
|
80 { |
|
81 return MD5_HASH; |
|
82 } |
|
83 EXPORT_C void CMD5::Reset(void) |
|
84 { |
|
85 iA=0x67452301; |
|
86 iB=0xefcdab89; |
|
87 iC=0x98badcfe; |
|
88 iD=0x10325476; |
|
89 iNh=0; |
|
90 iNl=0; |
|
91 } |
|
92 |
|
93 EXPORT_C void CMD5::Update(const TDesC8& aMessage) |
|
94 { |
|
95 DoUpdate(aMessage.Ptr(),aMessage.Size()); |
|
96 } |
|
97 EXPORT_C TPtrC8 CMD5::Final(const TDesC8& aMessage) |
|
98 { |
|
99 TPtrC8 ptr(KNullDesC8()); |
|
100 DoUpdate(aMessage.Ptr(),aMessage.Size()); |
|
101 DoFinal(); |
|
102 ptr.Set(iHash); |
|
103 Reset(); |
|
104 return ptr; |
|
105 } |
|
106 |
|
107 EXPORT_C TPtrC8 CMD5::Final() |
|
108 { |
|
109 TPtrC8 ptr(KNullDesC8()); |
|
110 DoFinal(); |
|
111 ptr.Set(iHash); |
|
112 Reset(); |
|
113 return ptr; |
|
114 } |
|
115 |
|
116 void CMD5::DoUpdate(const TUint8* aData,TUint aLength) |
|
117 { |
|
118 const TUint8* pend=aData+aLength; |
|
119 for (const TUint8* paData=aData;paData<pend;paData++) |
|
120 { |
|
121 const TUint8 byte=*paData; |
|
122 switch (iNl&3) |
|
123 { |
|
124 case 0: |
|
125 iData[iNl>>2]=byte; |
|
126 break; |
|
127 case 1: |
|
128 iData[iNl>>2]|=byte<<8; |
|
129 break; |
|
130 case 2: |
|
131 iData[iNl>>2]|=byte<<16; |
|
132 break; |
|
133 case 3: |
|
134 iData[iNl>>2]|=byte<<24; |
|
135 break; |
|
136 default: |
|
137 break; |
|
138 }; |
|
139 if(++iNl==64) |
|
140 { |
|
141 Block(); |
|
142 iNh+=64; |
|
143 iNl=0; |
|
144 } |
|
145 } |
|
146 } |
|
147 |
|
148 static inline TUint CMD5_F(TUint x,TUint y,TUint z) |
|
149 { |
|
150 return (x&y) | (~x&z); |
|
151 } |
|
152 static inline TUint CMD5_G(TUint x,TUint y,TUint z) |
|
153 { |
|
154 return (x&z) | (y&~z); |
|
155 } |
|
156 static inline TUint CMD5_H(TUint x,TUint y,TUint z) |
|
157 { |
|
158 return x^y^z; |
|
159 } |
|
160 static inline TUint CMD5_I(TUint x,TUint y,TUint z) |
|
161 { |
|
162 return y^(x|~z); |
|
163 } |
|
164 |
|
165 |
|
166 #ifdef NOREFS |
|
167 static inline TUint CMD5_FF(TUint a,const TUint b,const TUint c,const TUint d,const TUint m,const TUint s,const TUint t) |
|
168 { |
|
169 a+=CMD5_F(b,c,d) + m + t; |
|
170 a=b + CMD_R(a,s); |
|
171 return a; |
|
172 } |
|
173 static inline TUint CMD5_GG(TUint a,const TUint b,const TUint c,const TUint d,const TUint m,const TUint s,const TUint t) |
|
174 { |
|
175 a+=CMD5_G(b,c,d) + m + t; |
|
176 a=b + CMD_R(a,s); |
|
177 return a; |
|
178 } |
|
179 static inline TUint CMD5_HH(TUint a,const TUint b,const TUint c,const TUint d,const TUint m,const TUint s,const TUint t) |
|
180 { |
|
181 a+=CMD5_H(b,c,d) + m + t; |
|
182 a=b + CMD_R(a,s); |
|
183 return a; |
|
184 } |
|
185 static inline TUint CMD5_II(TUint a,const TUint b,const TUint c,const TUint d,const TUint m,const TUint s,const TUint t) |
|
186 { |
|
187 a+=CMD5_I(b,c,d) + m + t; |
|
188 a=b + CMD_R(a,s); |
|
189 return a; |
|
190 } |
|
191 void CMD5::Block() |
|
192 { |
|
193 register TUint tempA=iA; |
|
194 register TUint tempB=iB; |
|
195 register TUint tempC=iC; |
|
196 register TUint tempD=iD; |
|
197 |
|
198 tempA = CMD5_FF(tempA,tempB,tempC,tempD,iData[ 0], 7, 0xd76aa478); |
|
199 tempD = CMD5_FF(tempD,tempA,tempB,tempC,iData[ 1],12, 0xe8c7b756); |
|
200 tempC = CMD5_FF(tempC,tempD,tempA,tempB,iData[ 2],17, 0x242070db); |
|
201 tempB = CMD5_FF(tempB,tempC,tempD,tempA,iData[ 3],22, 0xc1bdceee); |
|
202 tempA = CMD5_FF(tempA,tempB,tempC,tempD,iData[ 4], 7, 0xf57c0faf); |
|
203 tempD = CMD5_FF(tempD,tempA,tempB,tempC,iData[ 5],12, 0x4787c62a); |
|
204 tempC = CMD5_FF(tempC,tempD,tempA,tempB,iData[ 6],17, 0xa8304613); |
|
205 tempB = CMD5_FF(tempB,tempC,tempD,tempA,iData[ 7],22, 0xfd469501); |
|
206 tempA = CMD5_FF(tempA,tempB,tempC,tempD,iData[ 8], 7, 0x698098d8); |
|
207 tempD = CMD5_FF(tempD,tempA,tempB,tempC,iData[ 9],12, 0x8b44f7af); |
|
208 tempC = CMD5_FF(tempC,tempD,tempA,tempB,iData[10],17, 0xffff5bb1); |
|
209 tempB = CMD5_FF(tempB,tempC,tempD,tempA,iData[11],22, 0x895cd7be); |
|
210 tempA = CMD5_FF(tempA,tempB,tempC,tempD,iData[12], 7, 0x6b901122); |
|
211 tempD = CMD5_FF(tempD,tempA,tempB,tempC,iData[13],12, 0xfd987193); |
|
212 tempC = CMD5_FF(tempC,tempD,tempA,tempB,iData[14],17, 0xa679438e); |
|
213 tempB = CMD5_FF(tempB,tempC,tempD,tempA,iData[15],22, 0x49b40821); |
|
214 |
|
215 tempA = CMD5_GG(tempA,tempB,tempC,tempD,iData[ 1], 5, 0xf61e2562); |
|
216 tempD = CMD5_GG(tempD,tempA,tempB,tempC,iData[ 6], 9, 0xc040b340); |
|
217 tempC = CMD5_GG(tempC,tempD,tempA,tempB,iData[11],14, 0x265e5a51); |
|
218 tempB = CMD5_GG(tempB,tempC,tempD,tempA,iData[ 0],20, 0xe9b6c7aa); |
|
219 tempA = CMD5_GG(tempA,tempB,tempC,tempD,iData[ 5], 5, 0xd62f105d); |
|
220 tempD = CMD5_GG(tempD,tempA,tempB,tempC,iData[10], 9, 0x02441453); |
|
221 tempC = CMD5_GG(tempC,tempD,tempA,tempB,iData[15],14, 0xd8a1e681); |
|
222 tempB = CMD5_GG(tempB,tempC,tempD,tempA,iData[ 4],20, 0xe7d3fbc8); |
|
223 tempA = CMD5_GG(tempA,tempB,tempC,tempD,iData[ 9], 5, 0x21e1cde6); |
|
224 tempD = CMD5_GG(tempD,tempA,tempB,tempC,iData[14], 9, 0xc33707d6); |
|
225 tempC = CMD5_GG(tempC,tempD,tempA,tempB,iData[ 3],14, 0xf4d50d87); |
|
226 tempB = CMD5_GG(tempB,tempC,tempD,tempA,iData[ 8],20, 0x455a14ed); |
|
227 tempA = CMD5_GG(tempA,tempB,tempC,tempD,iData[13], 5, 0xa9e3e905); |
|
228 tempD = CMD5_GG(tempD,tempA,tempB,tempC,iData[ 2], 9, 0xfcefa3f8); |
|
229 tempC = CMD5_GG(tempC,tempD,tempA,tempB,iData[ 7],14, 0x676f02d9); |
|
230 tempB = CMD5_GG(tempB,tempC,tempD,tempA,iData[12],20, 0x8d2a4c8a); |
|
231 |
|
232 tempA = CMD5_HH(tempA,tempB,tempC,tempD,iData[ 5], 4, 0xfffa3942); |
|
233 tempD = CMD5_HH(tempD,tempA,tempB,tempC,iData[ 8],11, 0x8771f681); |
|
234 tempC = CMD5_HH(tempC,tempD,tempA,tempB,iData[11],16, 0x6d9d6122); |
|
235 tempB = CMD5_HH(tempB,tempC,tempD,tempA,iData[14],23, 0xfde5380c); |
|
236 tempA = CMD5_HH(tempA,tempB,tempC,tempD,iData[ 1], 4, 0xa4beea44); |
|
237 tempD = CMD5_HH(tempD,tempA,tempB,tempC,iData[ 4],11, 0x4bdecfa9); |
|
238 tempC = CMD5_HH(tempC,tempD,tempA,tempB,iData[ 7],16, 0xf6bb4b60); |
|
239 tempB = CMD5_HH(tempB,tempC,tempD,tempA,iData[10],23, 0xbebfbc70); |
|
240 tempA = CMD5_HH(tempA,tempB,tempC,tempD,iData[13], 4, 0x289b7ec6); |
|
241 tempD = CMD5_HH(tempD,tempA,tempB,tempC,iData[ 0],11, 0xeaa127fa); |
|
242 tempC = CMD5_HH(tempC,tempD,tempA,tempB,iData[ 3],16, 0xd4ef3085); |
|
243 tempB = CMD5_HH(tempB,tempC,tempD,tempA,iData[ 6],23, 0x04881d05); |
|
244 tempA = CMD5_HH(tempA,tempB,tempC,tempD,iData[ 9], 4, 0xd9d4d039); |
|
245 tempD = CMD5_HH(tempD,tempA,tempB,tempC,iData[12],11, 0xe6db99e5); |
|
246 tempC = CMD5_HH(tempC,tempD,tempA,tempB,iData[15],16, 0x1fa27cf8); |
|
247 tempB = CMD5_HH(tempB,tempC,tempD,tempA,iData[ 2],23, 0xc4ac5665); |
|
248 |
|
249 tempA = CMD5_II(tempA,tempB,tempC,tempD,iData[ 0], 6, 0xf4292244); |
|
250 tempD = CMD5_II(tempD,tempA,tempB,tempC,iData[ 7],10, 0x432aff97); |
|
251 tempC = CMD5_II(tempC,tempD,tempA,tempB,iData[14],15, 0xab9423a7); |
|
252 tempB = CMD5_II(tempB,tempC,tempD,tempA,iData[ 5],21, 0xfc93a039); |
|
253 tempA = CMD5_II(tempA,tempB,tempC,tempD,iData[12], 6, 0x655b59c3); |
|
254 tempD = CMD5_II(tempD,tempA,tempB,tempC,iData[ 3],10, 0x8f0ccc92); |
|
255 tempC = CMD5_II(tempC,tempD,tempA,tempB,iData[10],15, 0xffeff47d); |
|
256 tempB = CMD5_II(tempB,tempC,tempD,tempA,iData[ 1],21, 0x85845dd1); |
|
257 tempA = CMD5_II(tempA,tempB,tempC,tempD,iData[ 8], 6, 0x6fa87e4f); |
|
258 tempD = CMD5_II(tempD,tempA,tempB,tempC,iData[15],10, 0xfe2ce6e0); |
|
259 tempC = CMD5_II(tempC,tempD,tempA,tempB,iData[ 6],15, 0xa3014314); |
|
260 tempB = CMD5_II(tempB,tempC,tempD,tempA,iData[13],21, 0x4e0811a1); |
|
261 tempA = CMD5_II(tempA,tempB,tempC,tempD,iData[ 4], 6, 0xf7537e82); |
|
262 tempD = CMD5_II(tempD,tempA,tempB,tempC,iData[11],10, 0xbd3af235); |
|
263 tempC = CMD5_II(tempC,tempD,tempA,tempB,iData[ 2],15, 0x2ad7d2bb); |
|
264 tempB = CMD5_II(tempB,tempC,tempD,tempA,iData[ 9],21, 0xeb86d391); |
|
265 |
|
266 iA+=tempA; |
|
267 iB+=tempB; |
|
268 iC+=tempC; |
|
269 iD+=tempD; |
|
270 } |
|
271 #else |
|
272 #ifdef MACRO |
|
273 #define CMD5_FF(a, b, c, d, m, s, t) (b + CMD_R(a += CMD5_F(b,c,d) + m + t, s)) |
|
274 #define CMD5_GG(a, b, c, d, m, s, t) (b + CMD_R(a += CMD5_G(b,c,d) + m + t, s)) |
|
275 #define CMD5_HH(a, b, c, d, m, s, t) (b + CMD_R(a += CMD5_H(b,c,d) + m + t, s)) |
|
276 #define CMD5_II(a, b, c, d, m, s, t) (b + CMD_R(a += CMD5_I(b,c,d) + m + t, s)) |
|
277 void CMD5::Block() |
|
278 { |
|
279 register TUint tempA=iA; |
|
280 register TUint tempB=iB; |
|
281 register TUint tempC=iC; |
|
282 register TUint tempD=iD; |
|
283 |
|
284 tempA = CMD5_FF(tempA,tempB,tempC,tempD,iData[ 0], 7, 0xd76aa478); |
|
285 tempD = CMD5_FF(tempD,tempA,tempB,tempC,iData[ 1],12, 0xe8c7b756); |
|
286 tempC = CMD5_FF(tempC,tempD,tempA,tempB,iData[ 2],17, 0x242070db); |
|
287 tempB = CMD5_FF(tempB,tempC,tempD,tempA,iData[ 3],22, 0xc1bdceee); |
|
288 tempA = CMD5_FF(tempA,tempB,tempC,tempD,iData[ 4], 7, 0xf57c0faf); |
|
289 tempD = CMD5_FF(tempD,tempA,tempB,tempC,iData[ 5],12, 0x4787c62a); |
|
290 tempC = CMD5_FF(tempC,tempD,tempA,tempB,iData[ 6],17, 0xa8304613); |
|
291 tempB = CMD5_FF(tempB,tempC,tempD,tempA,iData[ 7],22, 0xfd469501); |
|
292 tempA = CMD5_FF(tempA,tempB,tempC,tempD,iData[ 8], 7, 0x698098d8); |
|
293 tempD = CMD5_FF(tempD,tempA,tempB,tempC,iData[ 9],12, 0x8b44f7af); |
|
294 tempC = CMD5_FF(tempC,tempD,tempA,tempB,iData[10],17, 0xffff5bb1); |
|
295 tempB = CMD5_FF(tempB,tempC,tempD,tempA,iData[11],22, 0x895cd7be); |
|
296 tempA = CMD5_FF(tempA,tempB,tempC,tempD,iData[12], 7, 0x6b901122); |
|
297 tempD = CMD5_FF(tempD,tempA,tempB,tempC,iData[13],12, 0xfd987193); |
|
298 tempC = CMD5_FF(tempC,tempD,tempA,tempB,iData[14],17, 0xa679438e); |
|
299 tempB = CMD5_FF(tempB,tempC,tempD,tempA,iData[15],22, 0x49b40821); |
|
300 |
|
301 tempA = CMD5_GG(tempA,tempB,tempC,tempD,iData[ 1], 5, 0xf61e2562); |
|
302 tempD = CMD5_GG(tempD,tempA,tempB,tempC,iData[ 6], 9, 0xc040b340); |
|
303 tempC = CMD5_GG(tempC,tempD,tempA,tempB,iData[11],14, 0x265e5a51); |
|
304 tempB = CMD5_GG(tempB,tempC,tempD,tempA,iData[ 0],20, 0xe9b6c7aa); |
|
305 tempA = CMD5_GG(tempA,tempB,tempC,tempD,iData[ 5], 5, 0xd62f105d); |
|
306 tempD = CMD5_GG(tempD,tempA,tempB,tempC,iData[10], 9, 0x02441453); |
|
307 tempC = CMD5_GG(tempC,tempD,tempA,tempB,iData[15],14, 0xd8a1e681); |
|
308 tempB = CMD5_GG(tempB,tempC,tempD,tempA,iData[ 4],20, 0xe7d3fbc8); |
|
309 tempA = CMD5_GG(tempA,tempB,tempC,tempD,iData[ 9], 5, 0x21e1cde6); |
|
310 tempD = CMD5_GG(tempD,tempA,tempB,tempC,iData[14], 9, 0xc33707d6); |
|
311 tempC = CMD5_GG(tempC,tempD,tempA,tempB,iData[ 3],14, 0xf4d50d87); |
|
312 tempB = CMD5_GG(tempB,tempC,tempD,tempA,iData[ 8],20, 0x455a14ed); |
|
313 tempA = CMD5_GG(tempA,tempB,tempC,tempD,iData[13], 5, 0xa9e3e905); |
|
314 tempD = CMD5_GG(tempD,tempA,tempB,tempC,iData[ 2], 9, 0xfcefa3f8); |
|
315 tempC = CMD5_GG(tempC,tempD,tempA,tempB,iData[ 7],14, 0x676f02d9); |
|
316 tempB = CMD5_GG(tempB,tempC,tempD,tempA,iData[12],20, 0x8d2a4c8a); |
|
317 |
|
318 tempA = CMD5_HH(tempA,tempB,tempC,tempD,iData[ 5], 4, 0xfffa3942); |
|
319 tempD = CMD5_HH(tempD,tempA,tempB,tempC,iData[ 8],11, 0x8771f681); |
|
320 tempC = CMD5_HH(tempC,tempD,tempA,tempB,iData[11],16, 0x6d9d6122); |
|
321 tempB = CMD5_HH(tempB,tempC,tempD,tempA,iData[14],23, 0xfde5380c); |
|
322 tempA = CMD5_HH(tempA,tempB,tempC,tempD,iData[ 1], 4, 0xa4beea44); |
|
323 tempD = CMD5_HH(tempD,tempA,tempB,tempC,iData[ 4],11, 0x4bdecfa9); |
|
324 tempC = CMD5_HH(tempC,tempD,tempA,tempB,iData[ 7],16, 0xf6bb4b60); |
|
325 tempB = CMD5_HH(tempB,tempC,tempD,tempA,iData[10],23, 0xbebfbc70); |
|
326 tempA = CMD5_HH(tempA,tempB,tempC,tempD,iData[13], 4, 0x289b7ec6); |
|
327 tempD = CMD5_HH(tempD,tempA,tempB,tempC,iData[ 0],11, 0xeaa127fa); |
|
328 tempC = CMD5_HH(tempC,tempD,tempA,tempB,iData[ 3],16, 0xd4ef3085); |
|
329 tempB = CMD5_HH(tempB,tempC,tempD,tempA,iData[ 6],23, 0x04881d05); |
|
330 tempA = CMD5_HH(tempA,tempB,tempC,tempD,iData[ 9], 4, 0xd9d4d039); |
|
331 tempD = CMD5_HH(tempD,tempA,tempB,tempC,iData[12],11, 0xe6db99e5); |
|
332 tempC = CMD5_HH(tempC,tempD,tempA,tempB,iData[15],16, 0x1fa27cf8); |
|
333 tempB = CMD5_HH(tempB,tempC,tempD,tempA,iData[ 2],23, 0xc4ac5665); |
|
334 |
|
335 tempA = CMD5_II(tempA,tempB,tempC,tempD,iData[ 0], 6, 0xf4292244); |
|
336 tempD = CMD5_II(tempD,tempA,tempB,tempC,iData[ 7],10, 0x432aff97); |
|
337 tempC = CMD5_II(tempC,tempD,tempA,tempB,iData[14],15, 0xab9423a7); |
|
338 tempB = CMD5_II(tempB,tempC,tempD,tempA,iData[ 5],21, 0xfc93a039); |
|
339 tempA = CMD5_II(tempA,tempB,tempC,tempD,iData[12], 6, 0x655b59c3); |
|
340 tempD = CMD5_II(tempD,tempA,tempB,tempC,iData[ 3],10, 0x8f0ccc92); |
|
341 tempC = CMD5_II(tempC,tempD,tempA,tempB,iData[10],15, 0xffeff47d); |
|
342 tempB = CMD5_II(tempB,tempC,tempD,tempA,iData[ 1],21, 0x85845dd1); |
|
343 tempA = CMD5_II(tempA,tempB,tempC,tempD,iData[ 8], 6, 0x6fa87e4f); |
|
344 tempD = CMD5_II(tempD,tempA,tempB,tempC,iData[15],10, 0xfe2ce6e0); |
|
345 tempC = CMD5_II(tempC,tempD,tempA,tempB,iData[ 6],15, 0xa3014314); |
|
346 tempB = CMD5_II(tempB,tempC,tempD,tempA,iData[13],21, 0x4e0811a1); |
|
347 tempA = CMD5_II(tempA,tempB,tempC,tempD,iData[ 4], 6, 0xf7537e82); |
|
348 tempD = CMD5_II(tempD,tempA,tempB,tempC,iData[11],10, 0xbd3af235); |
|
349 tempC = CMD5_II(tempC,tempD,tempA,tempB,iData[ 2],15, 0x2ad7d2bb); |
|
350 tempB = CMD5_II(tempB,tempC,tempD,tempA,iData[ 9],21, 0xeb86d391); |
|
351 |
|
352 iA+=tempA; |
|
353 iB+=tempB; |
|
354 iC+=tempC; |
|
355 iD+=tempD; |
|
356 } |
|
357 #else |
|
358 static inline void CMD5_FF(TUint& a,const TUint b,const TUint c,const TUint d,const TUint m,const TUint s,const TUint t) |
|
359 { |
|
360 a+=CMD5_F(b,c,d) + m + t; |
|
361 a=b + CMD_R(a,s); |
|
362 } |
|
363 static inline void CMD5_GG(TUint& a,const TUint b,const TUint c,const TUint d,const TUint m,const TUint s,const TUint t) |
|
364 { |
|
365 a+=CMD5_G(b,c,d) + m + t; |
|
366 a=b + CMD_R(a,s); |
|
367 } |
|
368 static inline void CMD5_HH(TUint& a,const TUint b,const TUint c,const TUint d,const TUint m,const TUint s,const TUint t) |
|
369 { |
|
370 a+=CMD5_H(b,c,d) + m + t; |
|
371 a=b + CMD_R(a,s); |
|
372 } |
|
373 static inline void CMD5_II(TUint& a,const TUint b,const TUint c,const TUint d,const TUint m,const TUint s,const TUint t) |
|
374 { |
|
375 a+=CMD5_I(b,c,d) + m + t; |
|
376 a=b + CMD_R(a,s); |
|
377 } |
|
378 void CMD5::Block() |
|
379 { |
|
380 register TUint tempA=iA; |
|
381 register TUint tempB=iB; |
|
382 register TUint tempC=iC; |
|
383 register TUint tempD=iD; |
|
384 |
|
385 CMD5_FF(tempA,tempB,tempC,tempD,iData[ 0], 7, 0xd76aa478); |
|
386 CMD5_FF(tempD,tempA,tempB,tempC,iData[ 1],12, 0xe8c7b756); |
|
387 CMD5_FF(tempC,tempD,tempA,tempB,iData[ 2],17, 0x242070db); |
|
388 CMD5_FF(tempB,tempC,tempD,tempA,iData[ 3],22, 0xc1bdceee); |
|
389 CMD5_FF(tempA,tempB,tempC,tempD,iData[ 4], 7, 0xf57c0faf); |
|
390 CMD5_FF(tempD,tempA,tempB,tempC,iData[ 5],12, 0x4787c62a); |
|
391 CMD5_FF(tempC,tempD,tempA,tempB,iData[ 6],17, 0xa8304613); |
|
392 CMD5_FF(tempB,tempC,tempD,tempA,iData[ 7],22, 0xfd469501); |
|
393 CMD5_FF(tempA,tempB,tempC,tempD,iData[ 8], 7, 0x698098d8); |
|
394 CMD5_FF(tempD,tempA,tempB,tempC,iData[ 9],12, 0x8b44f7af); |
|
395 CMD5_FF(tempC,tempD,tempA,tempB,iData[10],17, 0xffff5bb1); |
|
396 CMD5_FF(tempB,tempC,tempD,tempA,iData[11],22, 0x895cd7be); |
|
397 CMD5_FF(tempA,tempB,tempC,tempD,iData[12], 7, 0x6b901122); |
|
398 CMD5_FF(tempD,tempA,tempB,tempC,iData[13],12, 0xfd987193); |
|
399 CMD5_FF(tempC,tempD,tempA,tempB,iData[14],17, 0xa679438e); |
|
400 CMD5_FF(tempB,tempC,tempD,tempA,iData[15],22, 0x49b40821); |
|
401 |
|
402 CMD5_GG(tempA,tempB,tempC,tempD,iData[ 1], 5, 0xf61e2562); |
|
403 CMD5_GG(tempD,tempA,tempB,tempC,iData[ 6], 9, 0xc040b340); |
|
404 CMD5_GG(tempC,tempD,tempA,tempB,iData[11],14, 0x265e5a51); |
|
405 CMD5_GG(tempB,tempC,tempD,tempA,iData[ 0],20, 0xe9b6c7aa); |
|
406 CMD5_GG(tempA,tempB,tempC,tempD,iData[ 5], 5, 0xd62f105d); |
|
407 CMD5_GG(tempD,tempA,tempB,tempC,iData[10], 9, 0x02441453); |
|
408 CMD5_GG(tempC,tempD,tempA,tempB,iData[15],14, 0xd8a1e681); |
|
409 CMD5_GG(tempB,tempC,tempD,tempA,iData[ 4],20, 0xe7d3fbc8); |
|
410 CMD5_GG(tempA,tempB,tempC,tempD,iData[ 9], 5, 0x21e1cde6); |
|
411 CMD5_GG(tempD,tempA,tempB,tempC,iData[14], 9, 0xc33707d6); |
|
412 CMD5_GG(tempC,tempD,tempA,tempB,iData[ 3],14, 0xf4d50d87); |
|
413 CMD5_GG(tempB,tempC,tempD,tempA,iData[ 8],20, 0x455a14ed); |
|
414 CMD5_GG(tempA,tempB,tempC,tempD,iData[13], 5, 0xa9e3e905); |
|
415 CMD5_GG(tempD,tempA,tempB,tempC,iData[ 2], 9, 0xfcefa3f8); |
|
416 CMD5_GG(tempC,tempD,tempA,tempB,iData[ 7],14, 0x676f02d9); |
|
417 CMD5_GG(tempB,tempC,tempD,tempA,iData[12],20, 0x8d2a4c8a); |
|
418 |
|
419 CMD5_HH(tempA,tempB,tempC,tempD,iData[ 5], 4, 0xfffa3942); |
|
420 CMD5_HH(tempD,tempA,tempB,tempC,iData[ 8],11, 0x8771f681); |
|
421 CMD5_HH(tempC,tempD,tempA,tempB,iData[11],16, 0x6d9d6122); |
|
422 CMD5_HH(tempB,tempC,tempD,tempA,iData[14],23, 0xfde5380c); |
|
423 CMD5_HH(tempA,tempB,tempC,tempD,iData[ 1], 4, 0xa4beea44); |
|
424 CMD5_HH(tempD,tempA,tempB,tempC,iData[ 4],11, 0x4bdecfa9); |
|
425 CMD5_HH(tempC,tempD,tempA,tempB,iData[ 7],16, 0xf6bb4b60); |
|
426 CMD5_HH(tempB,tempC,tempD,tempA,iData[10],23, 0xbebfbc70); |
|
427 CMD5_HH(tempA,tempB,tempC,tempD,iData[13], 4, 0x289b7ec6); |
|
428 CMD5_HH(tempD,tempA,tempB,tempC,iData[ 0],11, 0xeaa127fa); |
|
429 CMD5_HH(tempC,tempD,tempA,tempB,iData[ 3],16, 0xd4ef3085); |
|
430 CMD5_HH(tempB,tempC,tempD,tempA,iData[ 6],23, 0x04881d05); |
|
431 CMD5_HH(tempA,tempB,tempC,tempD,iData[ 9], 4, 0xd9d4d039); |
|
432 CMD5_HH(tempD,tempA,tempB,tempC,iData[12],11, 0xe6db99e5); |
|
433 CMD5_HH(tempC,tempD,tempA,tempB,iData[15],16, 0x1fa27cf8); |
|
434 CMD5_HH(tempB,tempC,tempD,tempA,iData[ 2],23, 0xc4ac5665); |
|
435 |
|
436 CMD5_II(tempA,tempB,tempC,tempD,iData[ 0], 6, 0xf4292244); |
|
437 CMD5_II(tempD,tempA,tempB,tempC,iData[ 7],10, 0x432aff97); |
|
438 CMD5_II(tempC,tempD,tempA,tempB,iData[14],15, 0xab9423a7); |
|
439 CMD5_II(tempB,tempC,tempD,tempA,iData[ 5],21, 0xfc93a039); |
|
440 CMD5_II(tempA,tempB,tempC,tempD,iData[12], 6, 0x655b59c3); |
|
441 CMD5_II(tempD,tempA,tempB,tempC,iData[ 3],10, 0x8f0ccc92); |
|
442 CMD5_II(tempC,tempD,tempA,tempB,iData[10],15, 0xffeff47d); |
|
443 CMD5_II(tempB,tempC,tempD,tempA,iData[ 1],21, 0x85845dd1); |
|
444 CMD5_II(tempA,tempB,tempC,tempD,iData[ 8], 6, 0x6fa87e4f); |
|
445 CMD5_II(tempD,tempA,tempB,tempC,iData[15],10, 0xfe2ce6e0); |
|
446 CMD5_II(tempC,tempD,tempA,tempB,iData[ 6],15, 0xa3014314); |
|
447 CMD5_II(tempB,tempC,tempD,tempA,iData[13],21, 0x4e0811a1); |
|
448 CMD5_II(tempA,tempB,tempC,tempD,iData[ 4], 6, 0xf7537e82); |
|
449 CMD5_II(tempD,tempA,tempB,tempC,iData[11],10, 0xbd3af235); |
|
450 CMD5_II(tempC,tempD,tempA,tempB,iData[ 2],15, 0x2ad7d2bb); |
|
451 CMD5_II(tempB,tempC,tempD,tempA,iData[ 9],21, 0xeb86d391); |
|
452 |
|
453 iA+=tempA; |
|
454 iB+=tempB; |
|
455 iC+=tempC; |
|
456 iD+=tempD; |
|
457 } |
|
458 #endif |
|
459 #endif |
|
460 |
|
461 void CMD5::DoFinal(void) |
|
462 { |
|
463 iNh += iNl; |
|
464 const TUint ul128=128; |
|
465 switch (iNl&3) |
|
466 { |
|
467 case 0: |
|
468 iData[iNl>>2] = ul128; |
|
469 break; |
|
470 case 1: |
|
471 iData[iNl>>2] += ul128<<8; |
|
472 break; |
|
473 case 2: |
|
474 iData[iNl>>2] += ul128<<16; |
|
475 break; |
|
476 case 3: |
|
477 iData[iNl>>2] += ul128<<24; |
|
478 break; |
|
479 default: |
|
480 break; |
|
481 }; |
|
482 if (iNl>=56) |
|
483 { |
|
484 if (iNl<60) |
|
485 iData[15]=0; |
|
486 Block(); |
|
487 Mem::FillZ(iData,14*sizeof(TUint)); |
|
488 } |
|
489 else |
|
490 { |
|
491 const TUint offset=(iNl+4)>>2; |
|
492 Mem::FillZ(iData+offset,(14-offset)*sizeof(TUint)); |
|
493 } |
|
494 |
|
495 iData[14]=iNh<<3;//number in bits |
|
496 // this will fail if the total input length is longer than 2^32 in bits |
|
497 //(2^31 in bytes) which is roughly half a gig. |
|
498 iData[15]=0; |
|
499 Block(); |
|
500 // |
|
501 // Generate hash value into iHash |
|
502 // |
|
503 TUint tmp=iA; |
|
504 iHash[0]=(TUint8)(tmp & 255); |
|
505 iHash[1]=(TUint8)((tmp >>= 8) & 255); |
|
506 iHash[2]=(TUint8)((tmp >>= 8) & 255); |
|
507 iHash[3]=(TUint8)((tmp >>= 8) & 255); |
|
508 |
|
509 tmp=iB; |
|
510 iHash[4]=(TUint8)(tmp & 255); |
|
511 iHash[5]=(TUint8)((tmp >>= 8) & 255); |
|
512 iHash[6]=(TUint8)((tmp >>= 8) & 255); |
|
513 iHash[7]=(TUint8)((tmp >>= 8) & 255); |
|
514 |
|
515 tmp=iC; |
|
516 iHash[8]=(TUint8)(tmp & 255); |
|
517 iHash[9]=(TUint8)((tmp >>= 8) & 255); |
|
518 iHash[10]=(TUint8)((tmp >>= 8) & 255); |
|
519 iHash[11]=(TUint8)((tmp >>= 8) & 255); |
|
520 |
|
521 tmp=iD; |
|
522 iHash[12]=(TUint8)(tmp & 255); |
|
523 iHash[13]=(TUint8)((tmp >>= 8) & 255); |
|
524 iHash[14]=(TUint8)((tmp >>= 8) & 255); |
|
525 iHash[15]=(TUint8)((tmp >>= 8) & 255); |
|
526 } |
|
527 |
|
528 void CMD5::RestoreState() |
|
529 { |
|
530 iA = iACopy; |
|
531 iB = iBCopy; |
|
532 iC = iCCopy; |
|
533 iD = iDCopy; |
|
534 iNl = iNlCopy; |
|
535 iNh = iNhCopy; |
|
536 Mem::Copy(&iData[0], &iDataCopy[0], MD5_LBLOCK*sizeof(TUint)); |
|
537 } |
|
538 |
|
539 void CMD5::StoreState() |
|
540 { |
|
541 iACopy = iA; |
|
542 iBCopy = iB; |
|
543 iCCopy = iC; |
|
544 iDCopy = iD; |
|
545 iNlCopy = iNl; |
|
546 iNhCopy = iNh; |
|
547 Mem::Copy(&iDataCopy[0], &iData[0], MD5_LBLOCK*sizeof(TUint)); |
|
548 } |