ObjFW  Check-in [f45026a5f9]

Overview
Comment:Rename OFHashes to OFHash.
Downloads: Tarball | ZIP archive | SQL archive
Timelines: family | ancestors | descendants | both | trunk
Files: files | file ages | folders
SHA3-256: f45026a5f961a8551ee45a1b8361d2a8d1bef4056332fa16eaf1646aa9016134
User & Date: js on 2010-05-09 14:39:02
Other Links: manifest | tags
Context
2010-05-09
14:47
Update ChangeLog in default branch. check-in: 63630d6a52 user: js tags: trunk
14:39
Rename OFHashes to OFHash. check-in: f45026a5f9 user: js tags: trunk
13:53
Add flags for reexporting libobjc and ObjFW. check-in: 3697259d3f user: js tags: trunk
Changes

Modified src/Makefile from [6ee6942889] to [a2fadbd234].

8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
       OFArray.m		\
       OFAutoreleasePool.m	\
       OFConstString.m		\
       OFDataArray.m		\
       OFDictionary.m		\
       OFExceptions.m		\
       OFFile.m			\
       OFHashes.m		\
       OFEnumerator.m		\
       OFList.m			\
       OFMutableArray.m		\
       OFMutableDictionary.m	\
       OFMutableString.m	\
       OFNumber.m		\
       OFObject.m		\







|







8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
       OFArray.m		\
       OFAutoreleasePool.m	\
       OFConstString.m		\
       OFDataArray.m		\
       OFDictionary.m		\
       OFExceptions.m		\
       OFFile.m			\
       OFHash.m			\
       OFEnumerator.m		\
       OFList.m			\
       OFMutableArray.m		\
       OFMutableDictionary.m	\
       OFMutableString.m	\
       OFNumber.m		\
       OFObject.m		\

Added src/OFHash.h version [c880c1bfa4].









































































































































































































>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
/*
 * Copyright (c) 2008 - 2010
 *   Jonathan Schleifer <js@webkeks.org>
 *
 * All rights reserved.
 *
 * This file is part of ObjFW. It may be distributed under the terms of the
 * Q Public License 1.0, which can be found in the file LICENSE included in
 * the packaging of this file.
 */

#import "OFObject.h"
#import "OFString.h"

#define OF_MD5_DIGEST_SIZE  16
#define OF_SHA1_DIGEST_SIZE 20

extern int _OFHashing_reference;

/**
 * \brief A base class for classes providing hash functions.
 */
@interface OFHash: OFObject
{
	BOOL	 calculated;
}

#ifdef OF_HAVE_PROPERTIES
@property (readonly) BOOL calculated;
#endif

/**
 * Adds a buffer to the hash to be calculated.
 *
 * \param buf The buffer which should be included into the calculation.
 * \param size The size of the buffer
 */
- (void)updateWithBuffer: (const char*)buf
		  ofSize: (size_t)size;

/**
 * \return A buffer containing the hash. The size of the buffer is depending
 *	   on the hash used. The buffer is part of object's memory pool.
 */
- (uint8_t*)digest;

/**
 * \return A boolean whether the hash has already been calculated
 */
- (BOOL)calculated;
@end

/**
 * \brief A class which provides functions to create an MD5 hash.
 */
@interface OFMD5Hash: OFHash
{
	uint32_t buf[4];
	uint32_t bits[2];
	uint8_t	 in[64];
}

/**
 * \return A new autoreleased MD5 Hash
 */
+ md5Hash;
@end

/**
 * \brief A class which provides functions to create an SHA1 hash.
 */
@interface OFSHA1Hash: OFHash
{
	uint32_t state[5];
	uint64_t count;
	char	 buffer[64];
	uint8_t	 digest[OF_SHA1_DIGEST_SIZE];
}

/**
 * \return A new autoreleased SHA1 Hash
 */
+ sha1Hash;
@end

/**
 * The OFString (OFHashing) category provides methods to calculate hashes for
 * strings.
 */
@interface OFString (OFHashing)
/**
 * \return The MD5 hash of the string as an autoreleased OFString
 */
- (OFString*)md5Hash;

/**
 * \return The SHA1 hash of the string as an autoreleased OFString
 */
- (OFString*)sha1Hash;
@end

Added src/OFHash.m version [f0a4e26a0e].















































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
/*
 * Copyright (c) 2008 - 2010
 *   Jonathan Schleifer <js@webkeks.org>
 *
 * All rights reserved.
 *
 * This file is part of ObjFW. It may be distributed under the terms of the
 * Q Public License 1.0, which can be found in the file LICENSE included in
 * the packaging of this file.
 */

#include "config.h"

#include <string.h>

#import "OFHash.h"
#import "OFAutoreleasePool.h"
#import "OFExceptions.h"
#import "macros.h"

int _OFHashing_reference;

@implementation OFHash
- (void)updateWithBuffer: (const char*)buffer
		  ofSize: (size_t)size
{
	@throw [OFNotImplementedException newWithClass: isa
					      selector: _cmd];
}

- (uint8_t*)digest
{
	@throw [OFNotImplementedException newWithClass: isa
					      selector: _cmd];
}

- (BOOL)calculated
{
	return calculated;
}
@end

/*
 * MD5
 */

/* The four MD5 core functions - F1 is optimized somewhat */
#define F1(x, y, z) (z ^ (x & (y ^ z)))
#define F2(x, y, z) F1(z, x, y)
#define F3(x, y, z) (x ^ y ^ z)
#define F4(x, y, z) (y ^ (x | ~z))

/* This is the central step in the MD5 algorithm. */
#define MD5STEP(f, w, x, y, z, data, s) \
	(w += f(x, y, z) + data, w = w << s | w >> (32 - s), w += x)

static inline void
md5_transform(uint32_t buf[4], const uint32_t in[16])
{
	register uint32_t a, b, c, d;

	a = buf[0];
	b = buf[1];
	c = buf[2];
	d = buf[3];

	MD5STEP(F1, a, b, c, d, in[0]  + 0xD76AA478, 7);
	MD5STEP(F1, d, a, b, c, in[1]  + 0xE8C7B756, 12);
	MD5STEP(F1, c, d, a, b, in[2]  + 0x242070DB, 17);
	MD5STEP(F1, b, c, d, a, in[3]  + 0xC1BDCEEE, 22);
	MD5STEP(F1, a, b, c, d, in[4]  + 0xF57C0FAF, 7);
	MD5STEP(F1, d, a, b, c, in[5]  + 0x4787C62A, 12);
	MD5STEP(F1, c, d, a, b, in[6]  + 0xA8304613, 17);
	MD5STEP(F1, b, c, d, a, in[7]  + 0xFD469501, 22);
	MD5STEP(F1, a, b, c, d, in[8]  + 0x698098D8, 7);
	MD5STEP(F1, d, a, b, c, in[9]  + 0x8B44F7AF, 12);
	MD5STEP(F1, c, d, a, b, in[10] + 0xFFFF5BB1, 17);
	MD5STEP(F1, b, c, d, a, in[11] + 0x895CD7Be, 22);
	MD5STEP(F1, a, b, c, d, in[12] + 0x6B901122, 7);
	MD5STEP(F1, d, a, b, c, in[13] + 0xFD987193, 12);
	MD5STEP(F1, c, d, a, b, in[14] + 0xA679438e, 17);
	MD5STEP(F1, b, c, d, a, in[15] + 0x49B40821, 22);

	MD5STEP(F2, a, b, c, d, in[1]  + 0xF61E2562, 5);
	MD5STEP(F2, d, a, b, c, in[6]  + 0xC040B340, 9);
	MD5STEP(F2, c, d, a, b, in[11] + 0x265E5A51, 14);
	MD5STEP(F2, b, c, d, a, in[0]  + 0xE9B6C7AA, 20);
	MD5STEP(F2, a, b, c, d, in[5]  + 0xD62F105D, 5);
	MD5STEP(F2, d, a, b, c, in[10] + 0x02441453, 9);
	MD5STEP(F2, c, d, a, b, in[15] + 0xD8A1E681, 14);
	MD5STEP(F2, b, c, d, a, in[4]  + 0xE7D3FBC8, 20);
	MD5STEP(F2, a, b, c, d, in[9]  + 0x21E1CDE6, 5);
	MD5STEP(F2, d, a, b, c, in[14] + 0xC33707D6, 9);
	MD5STEP(F2, c, d, a, b, in[3]  + 0xF4D50D87, 14);
	MD5STEP(F2, b, c, d, a, in[8]  + 0x455A14ED, 20);
	MD5STEP(F2, a, b, c, d, in[13] + 0xA9E3E905, 5);
	MD5STEP(F2, d, a, b, c, in[2]  + 0xFCEFA3F8, 9);
	MD5STEP(F2, c, d, a, b, in[7]  + 0x676F02D9, 14);
	MD5STEP(F2, b, c, d, a, in[12] + 0x8D2A4C8a, 20);

	MD5STEP(F3, a, b, c, d, in[5]  + 0xFFFA3942, 4);
	MD5STEP(F3, d, a, b, c, in[8]  + 0x8771F681, 11);
	MD5STEP(F3, c, d, a, b, in[11] + 0x6D9D6122, 16);
	MD5STEP(F3, b, c, d, a, in[14] + 0xFDE5380c, 23);
	MD5STEP(F3, a, b, c, d, in[1]  + 0xA4BEEA44, 4);
	MD5STEP(F3, d, a, b, c, in[4]  + 0x4BDECFA9, 11);
	MD5STEP(F3, c, d, a, b, in[7]  + 0xF6BB4B60, 16);
	MD5STEP(F3, b, c, d, a, in[10] + 0xBEBFBC70, 23);
	MD5STEP(F3, a, b, c, d, in[13] + 0x289B7EC6, 4);
	MD5STEP(F3, d, a, b, c, in[0]  + 0xEAA127FA, 11);
	MD5STEP(F3, c, d, a, b, in[3]  + 0xD4EF3085, 16);
	MD5STEP(F3, b, c, d, a, in[6]  + 0x04881D05, 23);
	MD5STEP(F3, a, b, c, d, in[9]  + 0xD9D4D039, 4);
	MD5STEP(F3, d, a, b, c, in[12] + 0xE6DB99E5, 11);
	MD5STEP(F3, c, d, a, b, in[15] + 0x1FA27CF8, 16);
	MD5STEP(F3, b, c, d, a, in[2]  + 0xC4AC5665, 23);

	MD5STEP(F4, a, b, c, d, in[0]  + 0xF4292244, 6);
	MD5STEP(F4, d, a, b, c, in[7]  + 0x432AFF97, 10);
	MD5STEP(F4, c, d, a, b, in[14] + 0xAB9423A7, 15);
	MD5STEP(F4, b, c, d, a, in[5]  + 0xFC93A039, 21);
	MD5STEP(F4, a, b, c, d, in[12] + 0x655B59C3, 6);
	MD5STEP(F4, d, a, b, c, in[3]  + 0x8F0CCC92, 10);
	MD5STEP(F4, c, d, a, b, in[10] + 0xFFEFF47d, 15);
	MD5STEP(F4, b, c, d, a, in[1]  + 0x85845DD1, 21);
	MD5STEP(F4, a, b, c, d, in[8]  + 0x6FA87E4F, 6);
	MD5STEP(F4, d, a, b, c, in[15] + 0xFE2CE6E0, 10);
	MD5STEP(F4, c, d, a, b, in[6]  + 0xA3014314, 15);
	MD5STEP(F4, b, c, d, a, in[13] + 0x4E0811A1, 21);
	MD5STEP(F4, a, b, c, d, in[4]  + 0xF7537E82, 6);
	MD5STEP(F4, d, a, b, c, in[11] + 0xBD3AF235, 10);
	MD5STEP(F4, c, d, a, b, in[2]  + 0x2AD7D2BB, 15);
	MD5STEP(F4, b, c, d, a, in[9]  + 0xEB86D391, 21);

	buf[0] += a;
	buf[1] += b;
	buf[2] += c;
	buf[3] += d;
}

@implementation OFMD5Hash
+ md5Hash
{
	return [[[self alloc] init] autorelease];
}

- init
{
	self = [super init];

	buf[0] = 0x67452301;
	buf[1] = 0xEFCDAB89;
	buf[2] = 0x98BADCFE;
	buf[3] = 0x10325476;

	return self;
}

- (void)updateWithBuffer: (const char*)buffer
		  ofSize: (size_t)size
{
	uint32_t t;

	if (size == 0)
		return;

	if (calculated)
		@throw [OFHashAlreadyCalculatedException newWithClass: isa];

	/* Update bitcount */
	t = bits[0];
	if ((bits[0] = t + ((uint32_t)size << 3)) < t)
		/* Carry from low to high */
		bits[1]++;
	bits[1] += size >> 29;

	/* Bytes already in shsInfo->data */
	t = (t >> 3) & 0x3F;

	/* Handle any leading odd-sized chunks */
	if (t) {
		uint8_t *p = in + t;

		t = 64 - t;

		if (size < t) {
			memcpy(p, buffer, size);
			return;
		}

		memcpy(p, buffer, t);
		OF_BSWAP32_V_IF_BE((uint32_t*)in, 16);
		md5_transform(buf, (uint32_t*)in);

		buffer += t;
		size -= t;
	}

	/* Process data in 64-byte chunks */
	while (size >= 64) {
		memcpy(in, buffer, 64);
		OF_BSWAP32_V_IF_BE((uint32_t*)in, 16);
		md5_transform(buf, (uint32_t*)in);

		buffer += 64;
		size -= 64;
	}

	/* Handle any remaining bytes of data. */
	memcpy(in, buffer, size);
}

- (uint8_t*)digest
{
	uint8_t	*p;
	size_t	count;

	if (calculated)
		return (uint8_t*)buf;

	/* Compute number of bytes mod 64 */
	count = (bits[0] >> 3) & 0x3F;

	/*
	 * Set the first char of padding to 0x80. This is safe since there is
	 * always at least one byte free
	 */
	p = in + count;
	*p++ = 0x80;

	/* Bytes of padding needed to make 64 bytes */
	count = 64 - 1 - count;

	/* Pad out to 56 mod 64 */
	if (count < 8) {
		/* Two lots of padding: Pad the first block to 64 bytes */
		memset(p, 0, count);
		OF_BSWAP32_V_IF_BE((uint32_t*)in, 16);
		md5_transform(buf, (uint32_t*)in);

		/* Now fill the next block with 56 bytes */
		memset(in, 0, 56);
	} else {
		/* Pad block to 56 bytes */
		memset(p, 0, count - 8);
	}
	OF_BSWAP32_V_IF_BE((uint32_t*)in, 14);

	/* Append length in bits and transform */
	((uint32_t*)in)[14] = bits[0];
	((uint32_t*)in)[15] = bits[1];

	md5_transform(buf, (uint32_t*)in);
	OF_BSWAP32_V_IF_BE(buf, 4);

	calculated = YES;

	return (uint8_t*)buf;
}
@end

#undef F1
#undef F2
#undef F3
#undef F4
#undef MD5STEP

/*
 * SHA1
 */

/* blk0() and blk() perform the initial expand. */
#ifndef OF_BIG_ENDIAN
#define blk0(i)							\
	(block->l[i] = (OF_ROL(block->l[i], 24) & 0xFF00FF00) |	\
	    (OF_ROL(block->l[i], 8) & 0x00FF00FF))
#else
#define blk0(i) block->l[i]
#endif
#define blk(i) \
	(block->l[i & 15] = OF_ROL(block->l[(i + 13) & 15] ^	\
	    block->l[(i + 8) & 15] ^ block->l[(i + 2) & 15] ^	\
	    block->l[i & 15], 1))

/* (R0+R1), R2, R3, R4 are the different operations used in SHA1 */
#define R0(v, w, x, y, z, i)						\
	z += ((w & (x ^ y)) ^ y) + blk0(i) + 0x5A827999 + OF_ROL(v, 5);	\
	w = OF_ROL(w, 30);
#define R1(v, w, x, y, z, i)						\
	z += ((w & (x ^ y)) ^ y) + blk(i) +  0x5A827999 + OF_ROL(v, 5);	\
	w = OF_ROL(w, 30);
#define R2(v, w, x, y, z, i)						\
	z += (w ^ x ^ y) + blk(i) + 0x6ED9EBA1 + OF_ROL(v, 5);		\
	w = OF_ROL(w, 30);
#define R3(v, w, x, y, z, i)						     \
	z += (((w | x) & y) | (w & x)) + blk(i) + 0x8F1BBCDC + OF_ROL(v, 5); \
	w = OF_ROL(w, 30);
#define R4(v, w, x, y, z, i)						\
	z += (w ^ x ^ y) + blk(i) + 0xCA62C1D6 + OF_ROL(v, 5);		\
	w = OF_ROL(w, 30);

/// \cond internal
typedef union {
	char	 c[64];
	uint32_t l[16];
} sha1_c64l16_t;
/// \endcond

static inline void
sha1_transform(uint32_t state[5], const char buffer[64])
{
	uint32_t      a, b, c, d, e;
	char	      workspace[64];
	sha1_c64l16_t *block;

	block = (sha1_c64l16_t*)workspace;
	memcpy(block, buffer, 64);

	/* Copy state[] to working vars */
	a = state[0];
	b = state[1];
	c = state[2];
	d = state[3];
	e = state[4];

	/* 4 rounds of 20 operations each. Loop unrolled. */
	R0(a,b,c,d,e, 0); R0(e,a,b,c,d, 1); R0(d,e,a,b,c, 2); R0(c,d,e,a,b, 3);
	R0(b,c,d,e,a, 4); R0(a,b,c,d,e, 5); R0(e,a,b,c,d, 6); R0(d,e,a,b,c, 7);
	R0(c,d,e,a,b, 8); R0(b,c,d,e,a, 9); R0(a,b,c,d,e,10); R0(e,a,b,c,d,11);
	R0(d,e,a,b,c,12); R0(c,d,e,a,b,13); R0(b,c,d,e,a,14); R0(a,b,c,d,e,15);
	R1(e,a,b,c,d,16); R1(d,e,a,b,c,17); R1(c,d,e,a,b,18); R1(b,c,d,e,a,19);
	R2(a,b,c,d,e,20); R2(e,a,b,c,d,21); R2(d,e,a,b,c,22); R2(c,d,e,a,b,23);
	R2(b,c,d,e,a,24); R2(a,b,c,d,e,25); R2(e,a,b,c,d,26); R2(d,e,a,b,c,27);
	R2(c,d,e,a,b,28); R2(b,c,d,e,a,29); R2(a,b,c,d,e,30); R2(e,a,b,c,d,31);
	R2(d,e,a,b,c,32); R2(c,d,e,a,b,33); R2(b,c,d,e,a,34); R2(a,b,c,d,e,35);
	R2(e,a,b,c,d,36); R2(d,e,a,b,c,37); R2(c,d,e,a,b,38); R2(b,c,d,e,a,39);
	R3(a,b,c,d,e,40); R3(e,a,b,c,d,41); R3(d,e,a,b,c,42); R3(c,d,e,a,b,43);
	R3(b,c,d,e,a,44); R3(a,b,c,d,e,45); R3(e,a,b,c,d,46); R3(d,e,a,b,c,47);
	R3(c,d,e,a,b,48); R3(b,c,d,e,a,49); R3(a,b,c,d,e,50); R3(e,a,b,c,d,51);
	R3(d,e,a,b,c,52); R3(c,d,e,a,b,53); R3(b,c,d,e,a,54); R3(a,b,c,d,e,55);
	R3(e,a,b,c,d,56); R3(d,e,a,b,c,57); R3(c,d,e,a,b,58); R3(b,c,d,e,a,59);
	R4(a,b,c,d,e,60); R4(e,a,b,c,d,61); R4(d,e,a,b,c,62); R4(c,d,e,a,b,63);
	R4(b,c,d,e,a,64); R4(a,b,c,d,e,65); R4(e,a,b,c,d,66); R4(d,e,a,b,c,67);
	R4(c,d,e,a,b,68); R4(b,c,d,e,a,69); R4(a,b,c,d,e,70); R4(e,a,b,c,d,71);
	R4(d,e,a,b,c,72); R4(c,d,e,a,b,73); R4(b,c,d,e,a,74); R4(a,b,c,d,e,75);
	R4(e,a,b,c,d,76); R4(d,e,a,b,c,77); R4(c,d,e,a,b,78); R4(b,c,d,e,a,79);

	/* Add the working vars back into state[] */
	state[0] += a;
	state[1] += b;
	state[2] += c;
	state[3] += d;
	state[4] += e;
}

static inline void
sha1_update(uint32_t *state, uint64_t *count, char *buffer,
    const char *buf, size_t size)
{
	size_t i, j;

	j = (size_t)((*count >> 3) & 63);
	*count += (size << 3);

	if ((j + size) > 63) {
		memcpy(&buffer[j], buf, (i = 64 - j));

		sha1_transform(state, buffer);

		for (; i + 63 < size; i += 64)
			sha1_transform(state, &buf[i]);

		j = 0;
	} else
		i = 0;

	memcpy(&buffer[j], &buf[i], size - i);
}

@implementation OFSHA1Hash
+ sha1Hash
{
	return [[[self alloc] init] autorelease];
}

- init
{
	self = [super init];

	state[0] = 0x67452301;
	state[1] = 0xEFCDAB89;
	state[2] = 0x98BADCFE;
	state[3] = 0x10325476;
	state[4] = 0xC3D2E1F0;

	return self;
}

- (void)updateWithBuffer: (const char*)buf
		  ofSize: (size_t)size
{
	if (size == 0)
		return;

	if (calculated)
		@throw [OFHashAlreadyCalculatedException newWithClass: isa];

	sha1_update(state, &count, buffer, buf, size);
}

- (uint8_t*)digest
{
	size_t i;
	char   finalcount[8];

	if (calculated)
		return digest;

	for (i = 0; i < 8; i++)
		/* Endian independent */
		finalcount[i] = (char)((count >> ((7 - (i & 7)) * 8)) & 255);
	sha1_update(state, &count, buffer, "\200", 1);

	while ((count & 504) != 448)
		sha1_update(state, &count, buffer, "\0", 1);
	/* Should cause a sha1_transform() */
	sha1_update(state, &count, buffer, finalcount, 8);

	for (i = 0; i < OF_SHA1_DIGEST_SIZE; i++)
		digest[i] = (char)((state[i >> 2] >>
		    ((3 - (i & 3)) * 8)) & 255);

	calculated = YES;

	return digest;
}
@end

#undef blk0
#undef blk
#undef R0
#undef R1
#undef R2
#undef R3
#undef R4

@implementation OFString (OFHashing)
- (OFString*)md5Hash
{
	OFAutoreleasePool *pool = [[OFAutoreleasePool alloc] init];
	OFMD5Hash *hash = [OFMD5Hash md5Hash];
	uint8_t *digest;
	char ret_c[32];
	size_t i;

	[hash updateWithBuffer: string
			ofSize: length];
	digest = [hash digest];

	for (i = 0; i < 16; i++) {
		uint8_t high, low;

		high = digest[i] >> 4;
		low  = digest[i] & 0x0F;

		ret_c[i * 2] = (high > 9 ? high - 10 + 'a' : high + '0');
		ret_c[i * 2 + 1] = (low > 9 ? low - 10 + 'a' : low + '0');
	}

	[pool release];

	return [OFString stringWithCString: ret_c
				    length: 32];
}

- (OFString*)sha1Hash
{
	OFAutoreleasePool *pool = [[OFAutoreleasePool alloc] init];
	OFMD5Hash *hash = [OFSHA1Hash sha1Hash];
	uint8_t *digest;
	char ret_c[40];
	size_t i;

	[hash updateWithBuffer: string
			ofSize: length];
	digest = [hash digest];

	for (i = 0; i < 20; i++) {
		uint8_t high, low;

		high = digest[i] >> 4;
		low  = digest[i] & 0x0F;

		ret_c[i * 2] = (high > 9 ? high - 10 + 'a' : high + '0');
		ret_c[i * 2 + 1] = (low > 9 ? low - 10 + 'a' : low + '0');
	}

	[pool release];

	return [OFString stringWithCString: ret_c
				    length: 40];
}
@end

Deleted src/OFHashes.h version [c880c1bfa4].

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
/*
 * Copyright (c) 2008 - 2010
 *   Jonathan Schleifer <js@webkeks.org>
 *
 * All rights reserved.
 *
 * This file is part of ObjFW. It may be distributed under the terms of the
 * Q Public License 1.0, which can be found in the file LICENSE included in
 * the packaging of this file.
 */

#import "OFObject.h"
#import "OFString.h"

#define OF_MD5_DIGEST_SIZE  16
#define OF_SHA1_DIGEST_SIZE 20

extern int _OFHashing_reference;

/**
 * \brief A base class for classes providing hash functions.
 */
@interface OFHash: OFObject
{
	BOOL	 calculated;
}

#ifdef OF_HAVE_PROPERTIES
@property (readonly) BOOL calculated;
#endif

/**
 * Adds a buffer to the hash to be calculated.
 *
 * \param buf The buffer which should be included into the calculation.
 * \param size The size of the buffer
 */
- (void)updateWithBuffer: (const char*)buf
		  ofSize: (size_t)size;

/**
 * \return A buffer containing the hash. The size of the buffer is depending
 *	   on the hash used. The buffer is part of object's memory pool.
 */
- (uint8_t*)digest;

/**
 * \return A boolean whether the hash has already been calculated
 */
- (BOOL)calculated;
@end

/**
 * \brief A class which provides functions to create an MD5 hash.
 */
@interface OFMD5Hash: OFHash
{
	uint32_t buf[4];
	uint32_t bits[2];
	uint8_t	 in[64];
}

/**
 * \return A new autoreleased MD5 Hash
 */
+ md5Hash;
@end

/**
 * \brief A class which provides functions to create an SHA1 hash.
 */
@interface OFSHA1Hash: OFHash
{
	uint32_t state[5];
	uint64_t count;
	char	 buffer[64];
	uint8_t	 digest[OF_SHA1_DIGEST_SIZE];
}

/**
 * \return A new autoreleased SHA1 Hash
 */
+ sha1Hash;
@end

/**
 * The OFString (OFHashing) category provides methods to calculate hashes for
 * strings.
 */
@interface OFString (OFHashing)
/**
 * \return The MD5 hash of the string as an autoreleased OFString
 */
- (OFString*)md5Hash;

/**
 * \return The SHA1 hash of the string as an autoreleased OFString
 */
- (OFString*)sha1Hash;
@end
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<








































































































































































































Deleted src/OFHashes.m version [1aa4d93617].

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
/*
 * Copyright (c) 2008 - 2010
 *   Jonathan Schleifer <js@webkeks.org>
 *
 * All rights reserved.
 *
 * This file is part of ObjFW. It may be distributed under the terms of the
 * Q Public License 1.0, which can be found in the file LICENSE included in
 * the packaging of this file.
 */

#include "config.h"

#include <string.h>

#import "OFHashes.h"
#import "OFAutoreleasePool.h"
#import "OFExceptions.h"
#import "macros.h"

int _OFHashing_reference;

@implementation OFHash
- (void)updateWithBuffer: (const char*)buffer
		  ofSize: (size_t)size
{
	@throw [OFNotImplementedException newWithClass: isa
					      selector: _cmd];
}

- (uint8_t*)digest
{
	@throw [OFNotImplementedException newWithClass: isa
					      selector: _cmd];
}

- (BOOL)calculated
{
	return calculated;
}
@end

/*
 * MD5
 */

/* The four MD5 core functions - F1 is optimized somewhat */
#define F1(x, y, z) (z ^ (x & (y ^ z)))
#define F2(x, y, z) F1(z, x, y)
#define F3(x, y, z) (x ^ y ^ z)
#define F4(x, y, z) (y ^ (x | ~z))

/* This is the central step in the MD5 algorithm. */
#define MD5STEP(f, w, x, y, z, data, s) \
	(w += f(x, y, z) + data, w = w << s | w >> (32 - s), w += x)

static inline void
md5_transform(uint32_t buf[4], const uint32_t in[16])
{
	register uint32_t a, b, c, d;

	a = buf[0];
	b = buf[1];
	c = buf[2];
	d = buf[3];

	MD5STEP(F1, a, b, c, d, in[0]  + 0xD76AA478, 7);
	MD5STEP(F1, d, a, b, c, in[1]  + 0xE8C7B756, 12);
	MD5STEP(F1, c, d, a, b, in[2]  + 0x242070DB, 17);
	MD5STEP(F1, b, c, d, a, in[3]  + 0xC1BDCEEE, 22);
	MD5STEP(F1, a, b, c, d, in[4]  + 0xF57C0FAF, 7);
	MD5STEP(F1, d, a, b, c, in[5]  + 0x4787C62A, 12);
	MD5STEP(F1, c, d, a, b, in[6]  + 0xA8304613, 17);
	MD5STEP(F1, b, c, d, a, in[7]  + 0xFD469501, 22);
	MD5STEP(F1, a, b, c, d, in[8]  + 0x698098D8, 7);
	MD5STEP(F1, d, a, b, c, in[9]  + 0x8B44F7AF, 12);
	MD5STEP(F1, c, d, a, b, in[10] + 0xFFFF5BB1, 17);
	MD5STEP(F1, b, c, d, a, in[11] + 0x895CD7Be, 22);
	MD5STEP(F1, a, b, c, d, in[12] + 0x6B901122, 7);
	MD5STEP(F1, d, a, b, c, in[13] + 0xFD987193, 12);
	MD5STEP(F1, c, d, a, b, in[14] + 0xA679438e, 17);
	MD5STEP(F1, b, c, d, a, in[15] + 0x49B40821, 22);

	MD5STEP(F2, a, b, c, d, in[1]  + 0xF61E2562, 5);
	MD5STEP(F2, d, a, b, c, in[6]  + 0xC040B340, 9);
	MD5STEP(F2, c, d, a, b, in[11] + 0x265E5A51, 14);
	MD5STEP(F2, b, c, d, a, in[0]  + 0xE9B6C7AA, 20);
	MD5STEP(F2, a, b, c, d, in[5]  + 0xD62F105D, 5);
	MD5STEP(F2, d, a, b, c, in[10] + 0x02441453, 9);
	MD5STEP(F2, c, d, a, b, in[15] + 0xD8A1E681, 14);
	MD5STEP(F2, b, c, d, a, in[4]  + 0xE7D3FBC8, 20);
	MD5STEP(F2, a, b, c, d, in[9]  + 0x21E1CDE6, 5);
	MD5STEP(F2, d, a, b, c, in[14] + 0xC33707D6, 9);
	MD5STEP(F2, c, d, a, b, in[3]  + 0xF4D50D87, 14);
	MD5STEP(F2, b, c, d, a, in[8]  + 0x455A14ED, 20);
	MD5STEP(F2, a, b, c, d, in[13] + 0xA9E3E905, 5);
	MD5STEP(F2, d, a, b, c, in[2]  + 0xFCEFA3F8, 9);
	MD5STEP(F2, c, d, a, b, in[7]  + 0x676F02D9, 14);
	MD5STEP(F2, b, c, d, a, in[12] + 0x8D2A4C8a, 20);

	MD5STEP(F3, a, b, c, d, in[5]  + 0xFFFA3942, 4);
	MD5STEP(F3, d, a, b, c, in[8]  + 0x8771F681, 11);
	MD5STEP(F3, c, d, a, b, in[11] + 0x6D9D6122, 16);
	MD5STEP(F3, b, c, d, a, in[14] + 0xFDE5380c, 23);
	MD5STEP(F3, a, b, c, d, in[1]  + 0xA4BEEA44, 4);
	MD5STEP(F3, d, a, b, c, in[4]  + 0x4BDECFA9, 11);
	MD5STEP(F3, c, d, a, b, in[7]  + 0xF6BB4B60, 16);
	MD5STEP(F3, b, c, d, a, in[10] + 0xBEBFBC70, 23);
	MD5STEP(F3, a, b, c, d, in[13] + 0x289B7EC6, 4);
	MD5STEP(F3, d, a, b, c, in[0]  + 0xEAA127FA, 11);
	MD5STEP(F3, c, d, a, b, in[3]  + 0xD4EF3085, 16);
	MD5STEP(F3, b, c, d, a, in[6]  + 0x04881D05, 23);
	MD5STEP(F3, a, b, c, d, in[9]  + 0xD9D4D039, 4);
	MD5STEP(F3, d, a, b, c, in[12] + 0xE6DB99E5, 11);
	MD5STEP(F3, c, d, a, b, in[15] + 0x1FA27CF8, 16);
	MD5STEP(F3, b, c, d, a, in[2]  + 0xC4AC5665, 23);

	MD5STEP(F4, a, b, c, d, in[0]  + 0xF4292244, 6);
	MD5STEP(F4, d, a, b, c, in[7]  + 0x432AFF97, 10);
	MD5STEP(F4, c, d, a, b, in[14] + 0xAB9423A7, 15);
	MD5STEP(F4, b, c, d, a, in[5]  + 0xFC93A039, 21);
	MD5STEP(F4, a, b, c, d, in[12] + 0x655B59C3, 6);
	MD5STEP(F4, d, a, b, c, in[3]  + 0x8F0CCC92, 10);
	MD5STEP(F4, c, d, a, b, in[10] + 0xFFEFF47d, 15);
	MD5STEP(F4, b, c, d, a, in[1]  + 0x85845DD1, 21);
	MD5STEP(F4, a, b, c, d, in[8]  + 0x6FA87E4F, 6);
	MD5STEP(F4, d, a, b, c, in[15] + 0xFE2CE6E0, 10);
	MD5STEP(F4, c, d, a, b, in[6]  + 0xA3014314, 15);
	MD5STEP(F4, b, c, d, a, in[13] + 0x4E0811A1, 21);
	MD5STEP(F4, a, b, c, d, in[4]  + 0xF7537E82, 6);
	MD5STEP(F4, d, a, b, c, in[11] + 0xBD3AF235, 10);
	MD5STEP(F4, c, d, a, b, in[2]  + 0x2AD7D2BB, 15);
	MD5STEP(F4, b, c, d, a, in[9]  + 0xEB86D391, 21);

	buf[0] += a;
	buf[1] += b;
	buf[2] += c;
	buf[3] += d;
}

@implementation OFMD5Hash
+ md5Hash
{
	return [[[self alloc] init] autorelease];
}

- init
{
	self = [super init];

	buf[0] = 0x67452301;
	buf[1] = 0xEFCDAB89;
	buf[2] = 0x98BADCFE;
	buf[3] = 0x10325476;

	return self;
}

- (void)updateWithBuffer: (const char*)buffer
		  ofSize: (size_t)size
{
	uint32_t t;

	if (size == 0)
		return;

	if (calculated)
		@throw [OFHashAlreadyCalculatedException newWithClass: isa];

	/* Update bitcount */
	t = bits[0];
	if ((bits[0] = t + ((uint32_t)size << 3)) < t)
		/* Carry from low to high */
		bits[1]++;
	bits[1] += size >> 29;

	/* Bytes already in shsInfo->data */
	t = (t >> 3) & 0x3F;

	/* Handle any leading odd-sized chunks */
	if (t) {
		uint8_t *p = in + t;

		t = 64 - t;

		if (size < t) {
			memcpy(p, buffer, size);
			return;
		}

		memcpy(p, buffer, t);
		OF_BSWAP32_V_IF_BE((uint32_t*)in, 16);
		md5_transform(buf, (uint32_t*)in);

		buffer += t;
		size -= t;
	}

	/* Process data in 64-byte chunks */
	while (size >= 64) {
		memcpy(in, buffer, 64);
		OF_BSWAP32_V_IF_BE((uint32_t*)in, 16);
		md5_transform(buf, (uint32_t*)in);

		buffer += 64;
		size -= 64;
	}

	/* Handle any remaining bytes of data. */
	memcpy(in, buffer, size);
}

- (uint8_t*)digest
{
	uint8_t	*p;
	size_t	count;

	if (calculated)
		return (uint8_t*)buf;

	/* Compute number of bytes mod 64 */
	count = (bits[0] >> 3) & 0x3F;

	/*
	 * Set the first char of padding to 0x80. This is safe since there is
	 * always at least one byte free
	 */
	p = in + count;
	*p++ = 0x80;

	/* Bytes of padding needed to make 64 bytes */
	count = 64 - 1 - count;

	/* Pad out to 56 mod 64 */
	if (count < 8) {
		/* Two lots of padding: Pad the first block to 64 bytes */
		memset(p, 0, count);
		OF_BSWAP32_V_IF_BE((uint32_t*)in, 16);
		md5_transform(buf, (uint32_t*)in);

		/* Now fill the next block with 56 bytes */
		memset(in, 0, 56);
	} else {
		/* Pad block to 56 bytes */
		memset(p, 0, count - 8);
	}
	OF_BSWAP32_V_IF_BE((uint32_t*)in, 14);

	/* Append length in bits and transform */
	((uint32_t*)in)[14] = bits[0];
	((uint32_t*)in)[15] = bits[1];

	md5_transform(buf, (uint32_t*)in);
	OF_BSWAP32_V_IF_BE(buf, 4);

	calculated = YES;

	return (uint8_t*)buf;
}
@end

#undef F1
#undef F2
#undef F3
#undef F4
#undef MD5STEP

/*
 * SHA1
 */

/* blk0() and blk() perform the initial expand. */
#ifndef OF_BIG_ENDIAN
#define blk0(i)							\
	(block->l[i] = (OF_ROL(block->l[i], 24) & 0xFF00FF00) |	\
	    (OF_ROL(block->l[i], 8) & 0x00FF00FF))
#else
#define blk0(i) block->l[i]
#endif
#define blk(i) \
	(block->l[i & 15] = OF_ROL(block->l[(i + 13) & 15] ^	\
	    block->l[(i + 8) & 15] ^ block->l[(i + 2) & 15] ^	\
	    block->l[i & 15], 1))

/* (R0+R1), R2, R3, R4 are the different operations used in SHA1 */
#define R0(v, w, x, y, z, i)						\
	z += ((w & (x ^ y)) ^ y) + blk0(i) + 0x5A827999 + OF_ROL(v, 5);	\
	w = OF_ROL(w, 30);
#define R1(v, w, x, y, z, i)						\
	z += ((w & (x ^ y)) ^ y) + blk(i) +  0x5A827999 + OF_ROL(v, 5);	\
	w = OF_ROL(w, 30);
#define R2(v, w, x, y, z, i)						\
	z += (w ^ x ^ y) + blk(i) + 0x6ED9EBA1 + OF_ROL(v, 5);		\
	w = OF_ROL(w, 30);
#define R3(v, w, x, y, z, i)						     \
	z += (((w | x) & y) | (w & x)) + blk(i) + 0x8F1BBCDC + OF_ROL(v, 5); \
	w = OF_ROL(w, 30);
#define R4(v, w, x, y, z, i)						\
	z += (w ^ x ^ y) + blk(i) + 0xCA62C1D6 + OF_ROL(v, 5);		\
	w = OF_ROL(w, 30);

/// \cond internal
typedef union {
	char	 c[64];
	uint32_t l[16];
} sha1_c64l16_t;
/// \endcond

static inline void
sha1_transform(uint32_t state[5], const char buffer[64])
{
	uint32_t      a, b, c, d, e;
	char	      workspace[64];
	sha1_c64l16_t *block;

	block = (sha1_c64l16_t*)workspace;
	memcpy(block, buffer, 64);

	/* Copy state[] to working vars */
	a = state[0];
	b = state[1];
	c = state[2];
	d = state[3];
	e = state[4];

	/* 4 rounds of 20 operations each. Loop unrolled. */
	R0(a,b,c,d,e, 0); R0(e,a,b,c,d, 1); R0(d,e,a,b,c, 2); R0(c,d,e,a,b, 3);
	R0(b,c,d,e,a, 4); R0(a,b,c,d,e, 5); R0(e,a,b,c,d, 6); R0(d,e,a,b,c, 7);
	R0(c,d,e,a,b, 8); R0(b,c,d,e,a, 9); R0(a,b,c,d,e,10); R0(e,a,b,c,d,11);
	R0(d,e,a,b,c,12); R0(c,d,e,a,b,13); R0(b,c,d,e,a,14); R0(a,b,c,d,e,15);
	R1(e,a,b,c,d,16); R1(d,e,a,b,c,17); R1(c,d,e,a,b,18); R1(b,c,d,e,a,19);
	R2(a,b,c,d,e,20); R2(e,a,b,c,d,21); R2(d,e,a,b,c,22); R2(c,d,e,a,b,23);
	R2(b,c,d,e,a,24); R2(a,b,c,d,e,25); R2(e,a,b,c,d,26); R2(d,e,a,b,c,27);
	R2(c,d,e,a,b,28); R2(b,c,d,e,a,29); R2(a,b,c,d,e,30); R2(e,a,b,c,d,31);
	R2(d,e,a,b,c,32); R2(c,d,e,a,b,33); R2(b,c,d,e,a,34); R2(a,b,c,d,e,35);
	R2(e,a,b,c,d,36); R2(d,e,a,b,c,37); R2(c,d,e,a,b,38); R2(b,c,d,e,a,39);
	R3(a,b,c,d,e,40); R3(e,a,b,c,d,41); R3(d,e,a,b,c,42); R3(c,d,e,a,b,43);
	R3(b,c,d,e,a,44); R3(a,b,c,d,e,45); R3(e,a,b,c,d,46); R3(d,e,a,b,c,47);
	R3(c,d,e,a,b,48); R3(b,c,d,e,a,49); R3(a,b,c,d,e,50); R3(e,a,b,c,d,51);
	R3(d,e,a,b,c,52); R3(c,d,e,a,b,53); R3(b,c,d,e,a,54); R3(a,b,c,d,e,55);
	R3(e,a,b,c,d,56); R3(d,e,a,b,c,57); R3(c,d,e,a,b,58); R3(b,c,d,e,a,59);
	R4(a,b,c,d,e,60); R4(e,a,b,c,d,61); R4(d,e,a,b,c,62); R4(c,d,e,a,b,63);
	R4(b,c,d,e,a,64); R4(a,b,c,d,e,65); R4(e,a,b,c,d,66); R4(d,e,a,b,c,67);
	R4(c,d,e,a,b,68); R4(b,c,d,e,a,69); R4(a,b,c,d,e,70); R4(e,a,b,c,d,71);
	R4(d,e,a,b,c,72); R4(c,d,e,a,b,73); R4(b,c,d,e,a,74); R4(a,b,c,d,e,75);
	R4(e,a,b,c,d,76); R4(d,e,a,b,c,77); R4(c,d,e,a,b,78); R4(b,c,d,e,a,79);

	/* Add the working vars back into state[] */
	state[0] += a;
	state[1] += b;
	state[2] += c;
	state[3] += d;
	state[4] += e;
}

static inline void
sha1_update(uint32_t *state, uint64_t *count, char *buffer,
    const char *buf, size_t size)
{
	size_t i, j;

	j = (size_t)((*count >> 3) & 63);
	*count += (size << 3);

	if ((j + size) > 63) {
		memcpy(&buffer[j], buf, (i = 64 - j));

		sha1_transform(state, buffer);

		for (; i + 63 < size; i += 64)
			sha1_transform(state, &buf[i]);

		j = 0;
	} else
		i = 0;

	memcpy(&buffer[j], &buf[i], size - i);
}

@implementation OFSHA1Hash
+ sha1Hash
{
	return [[[self alloc] init] autorelease];
}

- init
{
	self = [super init];

	state[0] = 0x67452301;
	state[1] = 0xEFCDAB89;
	state[2] = 0x98BADCFE;
	state[3] = 0x10325476;
	state[4] = 0xC3D2E1F0;

	return self;
}

- (void)updateWithBuffer: (const char*)buf
		  ofSize: (size_t)size
{
	if (size == 0)
		return;

	if (calculated)
		@throw [OFHashAlreadyCalculatedException newWithClass: isa];

	sha1_update(state, &count, buffer, buf, size);
}

- (uint8_t*)digest
{
	size_t i;
	char   finalcount[8];

	if (calculated)
		return digest;

	for (i = 0; i < 8; i++)
		/* Endian independent */
		finalcount[i] = (char)((count >> ((7 - (i & 7)) * 8)) & 255);
	sha1_update(state, &count, buffer, "\200", 1);

	while ((count & 504) != 448)
		sha1_update(state, &count, buffer, "\0", 1);
	/* Should cause a sha1_transform() */
	sha1_update(state, &count, buffer, finalcount, 8);

	for (i = 0; i < OF_SHA1_DIGEST_SIZE; i++)
		digest[i] = (char)((state[i >> 2] >>
		    ((3 - (i & 3)) * 8)) & 255);

	calculated = YES;

	return digest;
}
@end

#undef blk0
#undef blk
#undef R0
#undef R1
#undef R2
#undef R3
#undef R4

@implementation OFString (OFHashing)
- (OFString*)md5Hash
{
	OFAutoreleasePool *pool = [[OFAutoreleasePool alloc] init];
	OFMD5Hash *hash = [OFMD5Hash md5Hash];
	uint8_t *digest;
	char ret_c[32];
	size_t i;

	[hash updateWithBuffer: string
			ofSize: length];
	digest = [hash digest];

	for (i = 0; i < 16; i++) {
		uint8_t high, low;

		high = digest[i] >> 4;
		low  = digest[i] & 0x0F;

		ret_c[i * 2] = (high > 9 ? high - 10 + 'a' : high + '0');
		ret_c[i * 2 + 1] = (low > 9 ? low - 10 + 'a' : low + '0');
	}

	[pool release];

	return [OFString stringWithCString: ret_c
				    length: 32];
}

- (OFString*)sha1Hash
{
	OFAutoreleasePool *pool = [[OFAutoreleasePool alloc] init];
	OFMD5Hash *hash = [OFSHA1Hash sha1Hash];
	uint8_t *digest;
	char ret_c[40];
	size_t i;

	[hash updateWithBuffer: string
			ofSize: length];
	digest = [hash digest];

	for (i = 0; i < 20; i++) {
		uint8_t high, low;

		high = digest[i] >> 4;
		low  = digest[i] & 0x0F;

		ret_c[i * 2] = (high > 9 ? high - 10 + 'a' : high + '0');
		ret_c[i * 2 + 1] = (low > 9 ? low - 10 + 'a' : low + '0');
	}

	[pool release];

	return [OFString stringWithCString: ret_c
				    length: 40];
}
@end
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<














































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































Modified src/OFString.h from [1828092a6a] to [dc84da64f5].

366
367
368
369
370
371
372
373
374
375
376
 * \return An OFNumber
 */
- (uintmax_t)hexadecimalValueAsInteger;
@end

#import "OFConstString.h"
#import "OFMutableString.h"
#import "OFHashes.h"
#import "OFURLEncoding.h"
#import "OFXMLElement.h"
#import "OFXMLParser.h"







|



366
367
368
369
370
371
372
373
374
375
376
 * \return An OFNumber
 */
- (uintmax_t)hexadecimalValueAsInteger;
@end

#import "OFConstString.h"
#import "OFMutableString.h"
#import "OFHash.h"
#import "OFURLEncoding.h"
#import "OFXMLElement.h"
#import "OFXMLParser.h"

Modified src/ObjFW.h from [7f2109937b] to [491ce3d35b].

30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
#import "OFStream.h"

#import "OFFile.h"

#import "OFSocket.h"
#import "OFTCPSocket.h"

#import "OFHashes.h"
#import "OFXMLElement.h"

#import "OFApplication.h"

#import "macros.h"

#ifdef OF_PLUGINS







|







30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
#import "OFStream.h"

#import "OFFile.h"

#import "OFSocket.h"
#import "OFTCPSocket.h"

#import "OFHash.h"
#import "OFXMLElement.h"

#import "OFApplication.h"

#import "macros.h"

#ifdef OF_PLUGINS

Modified tests/Makefile from [d78b55a6da] to [5eb1ee19f8].

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
include ../extra.mk

SUBDIRS = ${TESTPLUGIN}

PROG_NOINST = tests${PROG_SUFFIX}
SRCS = OFArrayTests.m		\
       OFDataArrayTests.m	\
       OFDictionaryTests.m	\
       OFFileTests.m		\
       OFHashesTests.m		\
       OFListTests.m		\
       OFNumberTests.m		\
       OFObjectTests.m		\
       ${OFPLUGINTESTS_M}	\
       OFStreamTests.m		\
       OFStringTests.m		\
       OFTCPSocketTests.m	\









|







1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
include ../extra.mk

SUBDIRS = ${TESTPLUGIN}

PROG_NOINST = tests${PROG_SUFFIX}
SRCS = OFArrayTests.m		\
       OFDataArrayTests.m	\
       OFDictionaryTests.m	\
       OFFileTests.m		\
       OFHashTests.m		\
       OFListTests.m		\
       OFNumberTests.m		\
       OFObjectTests.m		\
       ${OFPLUGINTESTS_M}	\
       OFStreamTests.m		\
       OFStringTests.m		\
       OFTCPSocketTests.m	\

Added tests/OFHashTests.m version [b953a9142a].











































































































































>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
/*
 * Copyright (c) 2008 - 2010
 *   Jonathan Schleifer <js@webkeks.org>
 *
 * All rights reserved.
 *
 * This file is part of ObjFW. It may be distributed under the terms of the
 * Q Public License 1.0, which can be found in the file LICENSE included in
 * the packaging of this file.
 */

#include "config.h"

#include <string.h>

#import "OFHash.h"
#import "OFFile.h"
#import "OFAutoreleasePool.h"
#import "OFString.h"
#import "OFExceptions.h"

#import "TestsAppDelegate.h"

static OFString *module = @"OFHash";

const uint8_t testfile_md5[OF_MD5_DIGEST_SIZE] =
	"\x00\x8B\x9D\x1B\x58\xDF\xF8\xFE\xEE\xF3\xAE\x8D\xBB\x68\x2D\x38";
const uint8_t testfile_sha1[OF_SHA1_DIGEST_SIZE] =
	"\xC9\x9A\xB8\x7E\x1E\xC8\xEC\x65\xD5\xEB\xE4\x2E\x0D\xA6\x80\x96\xF5"
	"\x94\xE7\x17";

@implementation TestsAppDelegate (OFHashTests)
- (void)hashTests
{
	OFAutoreleasePool *pool = [[OFAutoreleasePool alloc] init];
	OFMD5Hash *md5;
	OFSHA1Hash *sha1;
	OFFile *f = [OFFile fileWithPath: @"testfile.bin"
				    mode: @"rb"];

	TEST(@"+[md5Hash]", (md5 = [OFMD5Hash md5Hash]))

	TEST(@"+[sha1Hash]", (sha1 = [OFSHA1Hash sha1Hash]))

	while (![f atEndOfStream]) {
		char buf[64];
		size_t len = [f readNBytes: 64
				intoBuffer: buf];
		[md5 updateWithBuffer: buf
			       ofSize: len];
		[sha1 updateWithBuffer: buf
				ofSize: len];
	}
	[f close];

	TEST(@"-[digest]",
	    !memcmp([md5 digest], testfile_md5, OF_MD5_DIGEST_SIZE) &&
	    !memcmp([sha1 digest], testfile_sha1, OF_MD5_DIGEST_SIZE))

	EXPECT_EXCEPTION(@"Detect invalid call of -[updateWithBuffer] #1",
	    OFHashAlreadyCalculatedException, [md5 updateWithBuffer: ""
							     ofSize: 1])
	EXPECT_EXCEPTION(@"Detect invalid call of -[updateWithBuffer] #2",
	    OFHashAlreadyCalculatedException, [sha1 updateWithBuffer: ""
							      ofSize: 1])

	[pool drain];
}
@end

Deleted tests/OFHashesTests.m version [09b698ac10].

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
/*
 * Copyright (c) 2008 - 2010
 *   Jonathan Schleifer <js@webkeks.org>
 *
 * All rights reserved.
 *
 * This file is part of ObjFW. It may be distributed under the terms of the
 * Q Public License 1.0, which can be found in the file LICENSE included in
 * the packaging of this file.
 */

#include "config.h"

#include <string.h>

#import "OFHashes.h"
#import "OFFile.h"
#import "OFAutoreleasePool.h"
#import "OFString.h"
#import "OFExceptions.h"

#import "TestsAppDelegate.h"

static OFString *module = @"OFHashes";

const uint8_t testfile_md5[OF_MD5_DIGEST_SIZE] =
	"\x00\x8B\x9D\x1B\x58\xDF\xF8\xFE\xEE\xF3\xAE\x8D\xBB\x68\x2D\x38";
const uint8_t testfile_sha1[OF_SHA1_DIGEST_SIZE] =
	"\xC9\x9A\xB8\x7E\x1E\xC8\xEC\x65\xD5\xEB\xE4\x2E\x0D\xA6\x80\x96\xF5"
	"\x94\xE7\x17";

@implementation TestsAppDelegate (OFHashesTests)
- (void)hashesTests
{
	OFAutoreleasePool *pool = [[OFAutoreleasePool alloc] init];
	OFMD5Hash *md5;
	OFSHA1Hash *sha1;
	OFFile *f = [OFFile fileWithPath: @"testfile.bin"
				    mode: @"rb"];

	TEST(@"+[md5Hash]", (md5 = [OFMD5Hash md5Hash]))

	TEST(@"+[sha1Hash]", (sha1 = [OFSHA1Hash sha1Hash]))

	while (![f atEndOfStream]) {
		char buf[64];
		size_t len = [f readNBytes: 64
				intoBuffer: buf];
		[md5 updateWithBuffer: buf
			       ofSize: len];
		[sha1 updateWithBuffer: buf
				ofSize: len];
	}
	[f close];

	TEST(@"-[digest]",
	    !memcmp([md5 digest], testfile_md5, OF_MD5_DIGEST_SIZE) &&
	    !memcmp([sha1 digest], testfile_sha1, OF_MD5_DIGEST_SIZE))

	EXPECT_EXCEPTION(@"Detect invalid call of -[updateWithBuffer] #1",
	    OFHashAlreadyCalculatedException, [md5 updateWithBuffer: ""
							     ofSize: 1])
	EXPECT_EXCEPTION(@"Detect invalid call of -[updateWithBuffer] #2",
	    OFHashAlreadyCalculatedException, [sha1 updateWithBuffer: ""
							      ofSize: 1])

	[pool drain];
}
@end
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<










































































































































Modified tests/TestsAppDelegate.h from [7e0781c6ed] to [acc81e847c].

79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
- (void)dictionaryTests;
@end

@interface TestsAppDelegate (OFFileTests)
- (void)fileTests;
@end

@interface TestsAppDelegate (OFHashesTests)
- (void)hashesTests;
@end

@interface TestsAppDelegate (OFListTests)
- (void)listTests;
@end

@interface TestsAppDelegate (OFNumberTests)







|
|







79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
- (void)dictionaryTests;
@end

@interface TestsAppDelegate (OFFileTests)
- (void)fileTests;
@end

@interface TestsAppDelegate (OFHashTests)
- (void)hashTests;
@end

@interface TestsAppDelegate (OFListTests)
- (void)listTests;
@end

@interface TestsAppDelegate (OFNumberTests)

Modified tests/TestsAppDelegate.m from [461a2d5844] to [0d39b5669b].

75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
}

- (void)applicationDidFinishLaunching
{
	[self objectTests];
	[self stringTests];
	[self fileTests];
	[self hashesTests];
	[self dataArrayTests];
	[self arrayTests];
	[self dictionaryTests];
	[self listTests];
	[self numberTests];
	[self streamTests];
	[self TCPSocketTests];







|







75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
}

- (void)applicationDidFinishLaunching
{
	[self objectTests];
	[self stringTests];
	[self fileTests];
	[self hashTests];
	[self dataArrayTests];
	[self arrayTests];
	[self dictionaryTests];
	[self listTests];
	[self numberTests];
	[self streamTests];
	[self TCPSocketTests];