ChangeLog 315 KB
Newer Older
1
2
3
4
5
6
7
8
9
10
11
2014-10-03  Niels Möller  <nisse@lysator.liu.se>

	* testsuite/ecc-sqrt-test.c (mpz_ui_kronecker)
	[NETTLE_USE_MINI_GMP]: New fallback definition when building with
	mini-gmp.
	* testsuite/testutils.c (gmp_randinit_default)
	[NETTLE_USE_MINI_GMP]: Likewise.
	(mpz_urandomb): Likewise.
	* testsuite/testutils.h (gmp_randstate_t) [NETTLE_USE_MINI_GMP]:
	Fallback typedef, using knuth_lfib_ctx.

12
13
2014-10-02  Niels Möller  <nisse@lysator.liu.se>

14
15
16
17
	* testsuite/eddsa-compress-test.c: New testcase.
	* testsuite/Makefile.in (TS_HOGWEED_SOURCES): Added
	eddsa-compress-test.c.

18
19
20
21
22
23
	* eddsa-decompress.c (_eddsa_decompress): New file, new function.
	* eddsa-compress.c (_eddsa_compress): New file, new function.
	* eddsa.h: New file.
	* Makefile.in (HEADERS): Added eddsa.h.
	(hogweed_SOURCES): Added eddsa-compress.c and eddsa-decompress.c.

Niels Möller's avatar
Niels Möller committed
24
25
26
27
	* testsuite/ecc-sqrt-test.c: New test case.
	* testsuite/Makefile.in (TS_HOGWEED_SOURCES): Added
	ecc-sqrt-test.c.

28
29
30
31
32
33
34
35
36
	* ecc-25519.c (PHIGH_BITS): Always define this constant.
	(ecc_25519_zero_p): New function.
	(ecc_25519_sqrt): Take a ratio u/v as input. Added scratch
	argument. Made static.
	* ecc-internal.h (ecc_mod_sqrt_func): New typedef.
	(struct ecc_modulo): Added sqrt_itch and sqrt function pointer.
	Updated all instances.
	(ecc_25519_sqrt): Deleted declaration, function now static.

Niels Möller's avatar
Niels Möller committed
37
38
39
40
2014-09-24  Niels Möller  <nisse@lysator.liu.se>

	* curve25519.h [__cplusplus]: Fixed extern "C" block.

41
42
2014-09-23  Niels Möller  <nisse@lysator.liu.se>

43
44
45
46
47
48
49
	* ecc-hash.c (ecc_hash): Changed argument type from struct
	ecc_curve to struct ecc_modulo. Updated callers.
	* testsuite/ecdsa-sign-test.c (test_main): Updated curve25519
	signature s. Changed since the hash value is truncated a few bits
	more, to match the size of q.
	* testsuite/ecdsa-verify-test.c (test_main): Likewise.

50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
	* testsuite/ecc-modinv-test.c (zero_p): New function, checking for
	zero modulo p.
	(test_modulo): Use zero_p. Switch to dynamic allocation. Updated
	for larger modinv result area, and use invert_itch.

	* ecc-25519.c (ecc_mod_pow_2kp1): Renamed, and take a struct
	ecc_modulo * as argument.
	(ecc_modp_powm_2kp1): ... old name.
	(ecc_mod_pow_252m3): New function, extracted from ecc_25519_sqrt.
	(ecc_25519_inv): New modp invert function, about 5.5 times faster
	then ecc_mod_inv.
	(ecc_25519_sqrt): Use ecc_mod_pow_252m3.
	(nettle_curve25519): Point to ecc_25519_inv. Updated p.invert_itch
	and h_to_a_itch.

	* ecc-internal.h (struct ecc_modulo): New field invert_itch.
	Updated all implementations.
	(ECC_EH_TO_A_ITCH): Updated, and take invert itch as an argument.
	* ecc-eh-to-a.c (ecc_eh_to_a_itch): Take invert scratch into account.

70
71
	* testsuite/testutils.c (test_ecc_mul_h): Use ecc->h_to_a_itch.

72
73
74
75
76
77
78
79
80
81
82
83
	* ecc-mod-inv.c (ecc_mod_inv): Interface change, make ap input
	const, and require 2n limbs at rp. Preparing for powm-based
	alternative implementations. Drop #if:ed out code and dp
	temporary. Updated all callers, more complicated cases described
	below.
	* ecc-internal.h (typedef ecc_mod_inv_func): Added const to input
	argument.
	(ECC_MOD_INV_ITCH): Renamed, was ECC_MODINV_ITCH, and reduced to
	2*n.
	* ecc-ecdsa-verify.c (ecc_ecdsa_verify): Overhauled allocation,
	putting mod_inv scratch at the end.

Niels Möller's avatar
Niels Möller committed
84
85
2014-09-22  Niels Möller  <nisse@lysator.liu.se>

86
87
88
89
	* ecc-random.c (ecc_mod_random): Renamed, and take a const struct
	ecc_modulo * as argument. Updated callers.
	(ecc_modq_random): ... old name.

90
91
92
93
94
95
96
97
98
99
	* ecc-mod-arith.c: New file, replacing ecc-modp.c and ecc-modq.c.
	All functions take a struct ecc_modulo as argument.
	(ecc_mod_add, ecc_mod_sub, ecc_mod_mul_1, ecc_mod_addmul_1)
	(ecc_mod_submul_1, ecc_mod_mul, ecc_mod_sqr): New functions,
	replacing the corresponding ecc_modp_* functions. For convenience,
	old names are defined as macros wrapping the new functions.
	* ecc-modp.c: Deleted file.
	* ecc-modq.c: Deleted file.
	* Makefile.in (hogweed_SOURCES): Updated accordingly.

100
101
102
	* testsuite/ecc-redc-test.c (test_main): Relaxed tests for which
	tests to run.

Niels Möller's avatar
Niels Möller committed
103
104
105
	* testsuite/ecc-modinv-test.c (test_modulo): New function, same
	organization as in ecc-mod-test.c below.

Niels Möller's avatar
Niels Möller committed
106
107
108
109
110
	* testsuite/ecc-mod-test.c (test_modulo): New function, testing
	one modulo. Replacing...
	(test_curve): ... old function.
	(test_main): Invoke test_modulo for p and q of each curve.

111
112
113
114
115
116
117
118
119
120
121
	* ecc-internal.h (ecc_mod_inv_func): New typedef.
	(struct ecc_modulo): Added mp1h constant and invert function
	pointer. Updated all callers.
	* ecc-modp.c (ecc_modp_inv): Deleted wrapper function.
	* ecc-modq.c (ecc_modq_inv): Deleted wrapper function.

	* ecc-mod-inv.c (ecc_mod_inv): Renamed file and function. Also
	take a struct ecc_modulo * as argument.
	* sec-modinv.c (sec_modinv): ... the old names. Deleted.
	* Makefile.in (hogweed_SOURCES): Updated accordingly.

122
123
124
	* examples/ecc-benchmark.c (bench_modinv_powm, bench_curve):
	Updated benchmarking of mpn_sec_powm.

Niels Möller's avatar
Niels Möller committed
125
126
127
	* ecc-internal.h (struct ecc_curve): Deleted redc function
	pointer. Use only reduce pointer, which is redc or modp as
	applicable. Updated all users.
128
129
	(struct ecc_modulo): Moved mod and reduce function pointers to
	this struct.
Niels Möller's avatar
Niels Möller committed
130

131
132
133
134
135
136
137
138
139
140
141
142
143
144
	* ecc-generic-modp.c (ecc_generic_modp): Deleted file and
	function. We no longer need a wrapper around ecc_mod.
	* ecc-generic-modq.c (ecc_generic_modq): Likewise deleted.
	* Makefile.in (hogweed_SOURCES): Removed ecc-generic-modp.c and
	ecc-generic-modq.c.

	* ecc-internal.h (typedef ecc_mod_func): Take a const struct
	ecc_modulo * argument, not const struct ecc_curve *. Updated all
	implementations and all callers.

	* ecc-mod.c (ecc_mod): Use struct ecc_modulo to specify the
	modulo. Drop input size argument, always reduce from 2*size to
	size.

Niels Möller's avatar
Niels Möller committed
145
146
147
148
149
	* ecc-internal.h (struct ecc_modulo): New struct, collecting
	constants needed for modulo arithmetic.
	(struct ecc_curve): Use struct ecc_modulo for p and q arithmetic.
	Updated all ecc-related files.

150
151
2014-09-17  Niels Möller  <nisse@lysator.liu.se>

152
153
154
155
	* gmp-glue.c (mpn_get_base256_le): Fixed missing update of rn
	counter, making the function clear some bytes beyond the end of
	the output buffer. The bug triggered a make check failure on ARM.

156
157
158
159
160
161
162
163
164
	* testsuite/testutils.c (ecc_curves): Include curve25519 in list.
	(test_ecc_mul_a): Include reference points for curve25519 (with
	Edwards coordinates). Allow n == 0 and n == 1, comparing to zero
	and the generator, respectively.
	* testsuite/ecc-add-test.c (point_zero_p): Deleted function.
	(test_main): Replace calls to point_zero_p by calls to
	test_ecc_mul_h with n == 0.
	* testsuite/ecc-dup-test.c: Likewise.

165
166
167
168
	* testsuite/ecc-modinv-test.c (mpn_zero_p): Moved function, to...
	* testsuite/testutils.c (mpn_zero_p): New location. Also make
	non-static.

169
170
171
172
173
174
175
	* testsuite/ecdsa-keygen-test.c (ecc_valid_p): Add special case
	for curve25519.

	* testsuite/ecc-mul-a-test.c (test_main): Fix point negation to
	support curve25519.
	* testsuite/ecc-mul-g-test.c (test_main): Likewise.

Niels Möller's avatar
Niels Möller committed
176
177
178
179
180
181
	* ecc-a-to-eh.c (ecc_a_to_eh_itch, ecc_a_to_eh): Deleted file and
	functions.
	* ecc.h: Deleted corresponding declarations.
	* ecc-internal.h (ECC_A_TO_EH_ITCH): Deleted macro.
	* Makefile.in (hogweed_SOURCES): Removed ecc-a-to-eh.c.

182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
	* testsuite/ecdh-test.c (test_main): Update curve25519 test to use
	Edwards coordinates.
	* testsuite/ecdsa-sign-test.c (test_main): Likewise.
	* testsuite/ecdsa-verify-test.c (test_main): Likewise.

	* ecc-point.c (ecc_point_set): Use Edwards rather than Montgomery
	curve.

	* ecc-mul-a-eh.c (ecc_mul_a_eh, table_init): Take an Edwards point
	as input, not a Montgomery point. Hence, use ecc_a_to_j, not
	ecc_a_to_eh.

	* ecc-eh-to-a.c (ecc_eh_to_a): Just convert to affine coordinates,
	don't transform from Edwards to Montgomery form. Also reduces
	scratch need slightly.
	* ecc-internal.h (ECC_EH_TO_A_ITCH): Reduced.

199
200
201
	* ecdsa-keygen.c (ecdsa_generate_keypair): Use struct ecc_curve
	function pointers.

202
203
204
205
206
207
208
	* testsuite/curve25519-dup-test.c: Deleted file. In the way for
	conversion to Edwards coordiante convention, and in the end
	the tests will be done by ecc-dup-test.c.
	* testsuite/curve25519-add-test.c: Similarly deleted.
	* testsuite/Makefile.in (TS_HOGWEED_SOURCES): Removed
	curve25519-dup-test.c and curve25519-add-test.c.

209
210
211
212
213
214
215
216
217
2014-09-16  Niels Möller  <nisse@lysator.liu.se>

	* testsuite/ecc-add-test.c: New generalized testcase, to replace
	curve25519-add-test.c.
	* testsuite/ecc-dup-test.c: New generalized testcase, to replace
	curve25519-dup-test.c.
	* testsuite/Makefile.in (TS_HOGWEED_SOURCES): Added ecc-add-test.c
	and ecc-dup-test.c.

218
219
220
221
222
223
2014-09-14  Niels Möller  <nisse@lysator.liu.se>

	* testsuite/ecc-mul-a-test.c (test_main): Use struct ecc_curve
	function pointers.
	* testsuite/ecc-mul-g-test.c (test_main): Likewise.

Niels Möller's avatar
Niels Möller committed
224
225
2014-09-09  Niels Möller  <nisse@lysator.liu.se>

226
227
228
229
230
231
	* curve25519-mul.c (curve25519_mul): Switch to use Montgomery
	ladder. About 20% faster than current Edwards curve operations.
	Difference is expected to shrink when Edwards operations are
	optimized to take advantage of the twist, but it seems unlikely to
	get significantly faster than the Montgomery ladder.

Niels Möller's avatar
Niels Möller committed
232
233
234
235
236
237
	* gmp-glue.c (cnd_swap): Moved function here, made non-static.
	Changed cnd type to mp_limb_t, for consistency with GMP
	mpn_cnd_add_n.
	* sec-modinv.c (cnd_swap): ... old location.
	* gmp-glue.h (cnd_swap): Declare function.

238
239
240
241
242
243
2014-09-06  Niels Möller  <nisse@lysator.liu.se>

	* examples/hogweed-benchmark.c (bench_curve25519_mul_g)
	(bench_curve25519_mul, bench_curve25519): New functions.
	(main): Added benchmarking of curve25519 functions.

244
245
2014-09-03  Niels Möller  <nisse@lysator.liu.se>

246
247
248
249
250
251
252
	* Makefile.in: Revert 2013-02-06 Makefile changes: use a single
	rule for transforming .asm to .o, and drop include of asm.d.
	Possible now since we generate a single object file from each asm
	file. This change also helps Solaris' make recognize .asm files.
	* config.make.in (.SUFFIXES): Drop .s from list.
	* configure.ac: Delete code to generate asm.d.

253
254
255
256
	* Makefile.in: Delete all uses of *.po files, use the same object
	files for both shared and static libraries.
	* configure.ac (dummy-dep-files): Don't create any .po.d files.

257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
	* aclocal.m4 (LSH_CCPIC): Don't substitute CCPIC here, let
	configure.ac do that if needed.

	* configure.ac (CCPIC_MAYBE, SHLIBCFLAGS): Deleted substituted
	variables. Instead, use CCPIC directly when compiling all library
	files.
	(CCPIC): Set to empty, if --disable-pic is used.

	* config.make.in (SHLIBCFLAGS, CCPIC_MAYBE): Deleted.
	(COMPILE, COMPILE_CXX): Drop CCPIC. New variable EXTRA_CFLAGS,
	which can be set by individual Makefiles.

	* Makefile.in (EXTRA_CFLAGS): Set using CCPIC.
	Also delete all uses of CCPIC_MAYBE and SHLIBCFLAGS.

272
273
274
275
276
277
278
2014-09-02  Niels Möller  <nisse@lysator.liu.se>

	* curve25519-eh-to-x.c (curve25519_eh_to_x): New file, new
	function. The curve25519 transform currently done by ecc_eh_to_a,
	but which should eventually be eliminted from that function.
	* Makefile.in (hogweed_SOURCES): Added curve25519-eh-to-x.c.
	* ecc-internal.h (curve25519_eh_to_x): Declare it.
279

280
	* curve25519-mul.c (curve25519_mul): Use it.
281
282
	* curve25519-mul-g.c (curve25519_mul_g): Likewise. Also introduce
	local variable ecc, and use ecc->mul_g_itch.
283

284
285
2014-08-29  Niels Möller  <nisse@lysator.liu.se>

286
287
288
289
290
	* testsuite/testutils.c (test_ecc_mul_j): Renamed, to ...
	(test_ecc_mul_h): ... new name. Use ecc->h_to_a function pointer.
	Updated callers.

	* examples/ecc-benchmark.c (bench_add_jjj): Renamed, to ...
291
292
293
294
295
	(bench_add_hhh): ... new name. Use ecc->add_hhh function pointer.
	(bench_add_ehh): Deleted.
	(bench_curve): Use bench_add_hhh for all curves. Use ecc->mul_itch
	for scratch size.

296
297
298
299
300
301
302
303
304
	Switch the curve25519 implementation to use the isomorphism to the
	twisted Edwards curve which is used for Ed25519 signatures.
	* eccdata.c (ecc_curve_init): Tweaked the transformation constant
	for the isomorphism between curve25519 and the twisted Edwards
	curve.
	* ecc-add-ehh.c (ecc_add_ehh): Updated formulas for the twist curve.
	* ecc-add-eh.c (ecc_add_eh): Likewise.
	* ecc-dup-eh.c (ecc_dup_eh): Likewise.

305
306
2014-08-28  Niels Möller  <nisse@lysator.liu.se>

307
308
309
	* ecdsa-verify.c (ecdsa_verify): Drop include of ecc-internal.h,
	use ecc_size function instead.

310
311
312
	* ecc-ecdsa-verify.c (ecc_ecdsa_verify): Use the struct ecc_curve
	function pointers: mul, mul_g, add_hhh, h_to_a.

313
314
	* ecc-internal.h (ECC_ECDSA_VERIFY_ITCH): Deleted macro. Needed
	scratch depends on curve type, not just size.
315
316
317
318
	(ecc_add_func): New typedef.
	(struct ecc_curve): New function pointer add_hhh, and constant
	add_hhh_itch. Updated all instances.

319
320
321
322
323
	* ecdsa-verify.c (ecdsa_verify): Use the ecc_ecdsa_verify_itch
	function, not the corresponding macro.
	* ecc-ecdsa-verify.c (ecc_ecdsa_verify_itch): Take ecc->mul_itch
	into account. Also reduce to 5*ecc->size + ecc->mul_itch.

324
325
	* testsuite/ecdsa-sign-test.c (test_main): Added test for the
	obscure case of ecdsa using curve25519.
326
327
	* testsuite/ecdsa-verify-test.c (test_main): Likewise (depends on
	above changes).
328
329
330
331

	* ecc-ecdsa-sign.c (ecc_ecdsa_sign): Use mul_g and h_to_a function
	pointers. Implies (obscure) support for curve25519.

332
333
	* ecc-25519.c (ecc_25519_modq): Access q via the ecc struct.

334
335
336
	* ecc-eh-to-a.c (ecc_eh_to_a): Analogous change as for ecc_j_to_a.
	The modulo q case (op == 2) is hardcoded for curve25519.

337
	* ecc-j-to-a.c (ecc_j_to_a): For curves using redc, always convert
Niels Möller's avatar
Niels Möller committed
338
	back from redc form. When producing x coordinate only, optionally
339
340
341
342
343
344
345
346
	reduce it modulo q. Completely changes the meaning of the "flags"
	argument, and renames it to "op". Update all users of this
	function or ecc->h_to_a.

	* ecc-ecdsa-sign.c (ecc_ecdsa_sign): Use new ecc_j_to_a modulo q
	feature.
	* ecc-ecdsa-verify.c (ecc_ecdsa_verify): Likewise.

Niels Möller's avatar
Niels Möller committed
347
348
349
	* testsuite/symbols-test: Regexp fixes, to better filter out
	get_pc_thunk functions.

350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
	* ecc-generic-redc.c (ecc_generic_redc): Deleted file and
	function. Split into...
	* ecc-pp1-redc.c (ecc_pp1_redc): New file and function.
	* ecc-pm1-redc.c (ecc_pm1_redc): New file and function.
	* ecc-internal.h: Updated declarations.
	* Makefile.in (hogweed_SOURCES): Replace ecc-generic-redc.c by
	ecc-pp1-redc.c and ecc-pm1-redc.c.
	* ecc-192.c: Use ecc_pp1_redc (benchmarking only).
	* ecc-224.c: Use ecc_pm1_redc when applicable.
	* ecc-256.c: Use ecc_pp1_redc when applicable.
	* ecc-384.c: Use ecc_pp1_redc (benchmarking only).
	* ecc-521.c: Use ecc_pp1_redc (benchmarking only).
	* testsuite/ecc-redc-test.c (test_main): Replace use of
	ecc_generic_redc by ecc_pp1_redc and ecc_pm1_redc.

365
366
367
368
	* eccdata.c (output_curve): Don't output ecc_redc_g.
	* ecc-internal.h (struct ecc_curve): Deleted unused field redc_g.
	Updated all instances.

369
370
2014-08-27  Niels Möller  <nisse@lysator.liu.se>

371
372
	* ecc-modq.c (ecc_modq_inv): Use q_bit_size.

373
374
375
	* ecc-internal.h (struct ecc_curve): New field q_bit_size. Updated
	all instances.

Niels Möller's avatar
Niels Möller committed
376
377
378
	* configure.ac: Bumped package version number to 3.1.
	(LIBHOGWEED_MAJOR): Bumped library version to 4.0.

Niels Möller's avatar
Niels Möller committed
379
	Merged camellia-reorg changes (starting at 2014-07-04).
380
381
	* Makefile.in (clean-here): Added ecc-25519.h.

Niels Möller's avatar
Niels Möller committed
382
383
2014-08-26  Niels Möller  <nisse@lysator.liu.se>

384
385
386
387
388
389
	* examples/ecc-benchmark.c (bench_mul_g, bench_mul_a): Use struct
	ecc_curve function pointers.
	(bench_mul_g_eh, bench_mul_a_eh): Deleted.
	(bench_curve): Make modq benchmark unconditional. Use bench_mul_g
	and bench_mul_a also for curve25519.

390
391
392
	* testsuite/ecc-mod-test.c (test_curve): Make modq test
	unconditional, partially reverting 2014-07-04 change.

Niels Möller's avatar
Niels Möller committed
393
394
395
396
	* ecc-25519.c (ecc_25519_modq): New function.

	* eccdata.c (output_curve): Precomputation for curve25519 mod q.

Niels Möller's avatar
Niels Möller committed
397
398
399
	* mini-gmp.c (mpz_abs_sub_bit): Do full normalization, needed in
	case the most significant bit is cleared.

400
401
2014-08-25  Niels Möller  <nisse@lysator.liu.se>

402
403
404
405
406
407
408
409
410
	* testsuite/ecdh-test.c (set_point): Check return value of
	ecc_point_set.
	(test_main): Enable curve25519 test.

	* ecc-point-mul-g.c (ecc_point_mul_g): Use ecc->mul_g and
	ecc->h_to_a function pointers.
	* ecc-point-mul.c (ecc_point_mul): Use the ecc->mul and
	ecc->h_to_a function pointers.

411
412
413
414
415
	* ecc-internal.h (ecc_mul_g_func, ecc_mul_func, ecc_h_to_a_func):
	New typedefs.
	(struct ecc_curve): New function pointers mul, mul_g, h_to_a, and
	constans for their scratch requirements. Updated all instances.

416
417
418
	* ecc-point.c (ecc_point_set): Handle curve25519 as a special
	case, when checking if the point is on the curve.

Niels Möller's avatar
Niels Möller committed
419
420
2014-08-24  Niels Möller  <nisse@lysator.liu.se>

421
	* testsuite/ecdh-test.c: Test ecc_point_mul and ecc_point_mul_g,
422
423
424
425
	using test data generated by ecc-ref.gp. Tests for all curves
	except curve25519, which doesn't yet work with the general
	ecc_point interface.

426
427
	* testsuite/Makefile.in (TS_HOGWEED_SOURCES): Added ecdh-test.c.

Niels Möller's avatar
Niels Möller committed
428
429
	* misc/ecc-ref.gp: Script to generate ECDH test data.

430
431
2014-08-23  Niels Möller  <nisse@lysator.liu.se>

432
433
434
435
	* ecc-a-to-j.c (ecc_a_to_j): Deleted INITIAL argument.
	* ecc.h (ecc_a_to_j): Updated prototype.
	* ecc-mul-a.c (ecc_mul_a, table_init): Updated calls to ecc_a_to_j.

436
437
438
439
440
441
442
	* ecc-mul-a.c (ecc_mul_a): Deleted INITIAL argument, all callers,
	except the tests, pass 1. Updated all callers.
	(table_init): Likewise deleted INITIAL.
	* ecc.h (ecc_mul_a): Updated prototype.
	* testsuite/ecc-mul-a-test.c (test_main): Deleted tests for
	ecc_mul_a with INITIAL == 0.

443
444
445
	* ecc-internal.h (struct ecc_curve): Reordered struct, moved
	function pointers before pointers to bignum constants.

446
447
448
449
450
451
	* sec-modinv.c (sec_modinv): Document that for a == 0 (mod m), we
	should produce the "inverse" 0.

	* testsuite/ecc-modinv-test.c (test_main): Check that ecc_modp_inv
	produces 0 if a == 0 or a == p.

452
453
2014-08-22  Niels Möller  <nisse@lysator.liu.se>

454
455
456
457
	* x86_64/ecc-25519-modp.asm: New file. Assembly implementation,
	initial version yields 30% speedup of ecc_25519_modp. Early
	folding eliminates one pass of carry propagation, and yields
	almost 20% additional speedup.
458

459
460
461
462
463
464
	* ecc-25519.c [HAVE_NATIVE_ecc_25519_modp]: Use assembly version
	if available.

	* configure.ac (asm_hogweed_optional_list): Added ecc-25519-modp.asm.
	Also add HAVE_NATIVE_ecc_25519_modp to config.h.in.

465
466
467
468
469
470
471
472
2014-08-19  Niels Möller  <nisse@lysator.liu.se>

	* examples/ecc-benchmark.c (bench_curve): Support benchmarking of
	curve25519, for now handled as a special case.
	(curves): Added nettle_curve25519.
	(bench_dup_eh, bench_add_eh, bench_add_ehh, bench_mul_g_eh): New
	functions.

473
474
2014-08-18  Niels Möller  <nisse@lysator.liu.se>

475
476
477
478
479
	* testsuite/curve25519-dh-test.c (test_a): Use curve25519_mul.
	(test_main): Use little-endian inputs for test_a.
	(curve25519_sqrt, curve_25519): Deleted static helper functions,
	no longer needed.

Niels Möller's avatar
Niels Möller committed
480
481
482
483
	* curve25519-mul.c (curve25519_mul): New file and function.
	* curve25519.h (curve25519_mul): Declare it.
	* Makefile.in (hogweed_SOURCES): Added curve25519-mul.c.

484
485
486
487
488
	* curve25519-mul-g.c (curve25519_mul_g): Renamed file and
	function, updated callers.
	* curve25519-base.c (curve25519_base): ... old names.
	* Makefile.in (hogweed_SOURCES): Updated for rename.

489
490
491
492
493
	* eccdata.c (output_curve): Compute constants needed for
	Shanks-Tonelli.
	* ecc-25519.c (ecc_modp_powm_2kp1, ecc_25519_sqrt): New functions.
	* ecc-internal.h (ecc_25519_sqrt): Declare it.

494
495
2014-08-06  Niels Möller  <nisse@lysator.liu.se>

496
497
498
	* testsuite/curve25519-dh-test.c (test_g): Use curve25519_base.
	(test_main): Use little-endian inputs for test_g.

Niels Möller's avatar
Niels Möller committed
499
500
501
502
503
504
	* curve25519-base.c (curve25519_base): New file, new function.
	Analogous to NaCl's crypto_scalarmult_base.
	* curve25519.h: New file.
	* Makefile.in (hogweed_SOURCES): Added curve25519-base.c.
	(HEADERS): Added curve25519.h.

505
506
507
	* gmp-glue.c (mpn_set_base256_le, mpn_get_base256_le): New functions.
	* gmp-glue.h: Declare them.

508
509
2014-08-02  Niels Möller  <nisse@lysator.liu.se>

510
511
512
	* testsuite/curve25519-dh-test.c (curve25519_sqrt): Fixed memory
	leak, a mpz_clear call was missing.

513
514
515
516
517
518
	* ecc-internal.h (ECC_MUL_A_EH_WBITS): Set to 4, to enable
	window-based scalar multiplication.

	* ecc-mul-a-eh.c (table_init) [ECC_MUL_A_EH_WBITS > 0]: Fixed
	initialization of TABLE(1).

519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
2014-07-29  Niels Möller  <nisse@lysator.liu.se>

	* ecc-internal.h (ECC_MUL_A_EH_WBITS): New constant.
	(ECC_A_TO_EH_ITCH, ECC_MUL_A_EH_ITCH): New macros.
	* ecc-a-to-eh.c (ecc_a_to_eh, ecc_a_to_eh_itch): New file, new
	functions.
	* ecc-mul-a-eh.c: New file.
	(ecc_mul_a_eh): New function. The case [ECC_MUL_A_EH_WBITS > 0]
	not yet working).
	(ecc_mul_a_eh_itch): New function.
	* ecc.h: Declare new functions.
	* Makefile.in (hogweed_SOURCES): Added ecc-a-to-eh.c and
	ecc-mul-a-eh.c.

	* testsuite/curve25519-dh-test.c (curve25519_sqrt): New function.
	(curve_25519): Use ecc_mul_a_eh.
	(test_a): New function.
	(test_main): Test construction of shared secret, using scalar
	multiplication with points other than the fix generator.

539
540
541
542
543
2014-07-26  Niels Möller  <nisse@lysator.liu.se>

	* ecc-add-ehh.c (ecc_add_ehh): Reduce scratch need.
	* ecc-internal.h (ECC_ADD_EHH_ITCH): Reduced to 7*size.

Niels Möller's avatar
Niels Möller committed
544
545
546
547
548
549
2014-07-23  Niels Möller  <nisse@lysator.liu.se>

	* testsuite/curve25519-dh-test.c: New test case, based on
	draft-josefsson-tls-curve25519-05 test vectors.
	* testsuite/Makefile.in (TS_HOGWEED_SOURCES): Added curve25519-dh-test.c.

550
551
552
553
554
555
556
557
2014-07-18  Niels Möller  <nisse@lysator.liu.se>

	* ecc-mul-g-eh.c (ecc_mul_g_eh, ecc_mul_g_eh_itch): New file and
	functions. Untested.
	* ecc.h (ecc_mul_g_eh_itch): Declare new functions.
	* ecc-internal.h (ECC_MUL_G_EH_ITCH): New macro.
	* Makefile.in (hogweed_SOURCES): Added ecc-mul-g-eh.c.

Niels Möller's avatar
Niels Möller committed
558
559
2014-07-17  Niels Möller  <nisse@lysator.liu.se>

560
561
562
	* ecc-add-eh.c (ecc_add_eh): Reduce scratch need.
	* ecc-internal.h (ECC_ADD_EH_ITCH): Reduced to 6*size.

Niels Möller's avatar
Niels Möller committed
563
564
565
	* testsuite/curve25519-dup-test.c (test_main): Free allocated
	storage.

566
567
2014-07-15  Niels Möller  <nisse@lysator.liu.se>

Niels Möller's avatar
Niels Möller committed
568
569
570
571
572
573
574
	* ecc-add-eh.c (ecc_add_eh, ecc_add_eh_itch): New file, new
	functions.
	* ecc.h: Declare new functions.
	* ecc-internal.h (ECC_ADD_EH_ITCH): New macro.
	* Makefile.in (hogweed_SOURCES): Added ecc-add-eh.c.
	* testsuite/curve25519-add-test.c (test_main): Test ecc_add_eh.
	Additional test for g2+g2. Free allocated storage.
575

Niels Möller's avatar
Niels Möller committed
576
577
2014-07-14  Niels Möller  <nisse@lysator.liu.se>

578
579
580
581
	* testsuite/curve25519-add-test.c: New test case.
	* testsuite/Makefile.in (TS_HOGWEED_SOURCES): Added
	curve25519-add-test.c.

582
583
584
585
586
587
588
589
	* ecc-add-ehh.c (ecc_add_ehh, ecc_add_ehh_itch): New file, new
	functions.
	* ecc.h (ecc_add_ehh, ecc_add_ehh_itch): Declare them.
	* ecc-internal.h (ECC_ADD_EHH_ITCH): New macro.
	* Makefile.in (hogweed_SOURCES): Added ecc-add-ehh.c.

	* ecc-25519.c (nettle_curve25519): Use ecc_d instead of ecc_b.

590
591
592
	* eccdata.c: For curve25519, output the Edwards curve constant,
	ecc_d = (121665/121666) mod p.

Niels Möller's avatar
Niels Möller committed
593
594
595
	* testsuite/curve25519-dup-test.c (test_main): Add test for 4g.
	Delete some left-over debug output.

596
597
2014-07-11  Niels Möller  <nisse@lysator.liu.se>

Niels Möller's avatar
Niels Möller committed
598
599
	* misc/ecc-formulas.tex: Some ECC notes.

600
601
602
603
	* testsuite/curve25519-dup-test.c: New testcase.
	* testsuite/Makefile.in (TS_HOGWEED_SOURCES): Added
	curve25519-dup-test.c.

604
605
606
607
608
	* testsuite/testutils.c (test_ecc_point): Made non-static.
	* testsuite/testutils.h (struct ecc_ref_point): Moved here, from
	testutils.h.
	(test_ecc_point): Declare it.

609
610
611
612
613
614
615
616
	* ecc-dup-eh.c (ecc_dup_eh, ecc_dup_eh_itch): New file, new functions.
	* ecc-eh-to-a.c (ecc_eh_to_a, ecc_eh_to_a_itch): New file, new
	functions.
	* ecc.h: Declare new functions.
	* ecc-internal.h (ECC_EH_TO_A_ITCH, ECC_DUP_EH_ITCH): New macros.
	* Makefile.in (hogweed_SOURCES): Added ecc-dup-eh.c and
	ecc-eh-to-a.c.

617
618
619
620
621
622
623
624
625
	* ecc-internal.h (struct ecc_curve): New constant edwards_root.
	* ecc-192.c (nettle_secp_192r1): Updated accordingly, additional
	NULL pointer.
	* ecc-224.c (nettle_secp_224r1): Likewise.
	* ecc-256.c (nettle_secp_256r1): Likewise.
	* ecc-384.c (nettle_secp_384r1): Likewise.
	* ecc-521.c (nettle_secp_521r1): Likewise.
	* ecc-25519.c (nettle_curve25519): Initialize new constant.

626
627
628
629
	* eccdata.c (ecc_curve_init): For curve 25519, use correct
	constant for edwards coordinate transform, and output the constant
	as ecc_edwards.

630
631
632
633
2014-07-06  Niels Möller  <nisse@lysator.liu.se>

	* eccdata.c: Use separate is_zero flag to represent the neutral
	element.
634
635
636
637
638
	(output_point, output_point_redc): Unified to a single function,
	with a use_redc flag argument. Also support conversion to Edwards
	form.
	(ecc_curve_init_str): New argument for Edwards curve conversion
	constant.
639

640
641
2014-07-04  Niels Möller  <nisse@lysator.liu.se>

Niels Möller's avatar
Niels Möller committed
642
	Started curve25519 branch.
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
	* ecc-25519.c: New file.
	(ecc_25519_modp): New function.
	(nettle_curve25519): New curve.

	* ecc-curve.h (nettle_curve25519): Declare it.

	* Makefile.in (hogweed_SOURCES): Added ecc-25519.c.
	(ecc-25519.h): New generated file. Add as explicit dependency for
	ecc-25519.o.

	* testsuite/ecc-mod-test.c (test_curve): New function, extracted
	from test_main. Tolerate NULL modq function pointer.
	(test_main): Use test_curve, iterate over supported curves, and
	also test curve_25519 for the new modp function.

658
659
2014-08-23  Niels Möller  <nisse@lysator.liu.se>

660
661
662
	* ecc-modp.c (ecc_modp_sub_1): Deleted unused function.
	* ecc-internal.h: Deleted corresponding declaration.

663
664
665
	* examples/nettle-benchmark.c (time_cipher): Fixed memset calls,
	amending the totally broken change from 2014-02-06.

Niels Möller's avatar
Niels Möller committed
666
667
668
669
2014-07-02  Niels Möller  <nisse@lysator.liu.se>

	* eccdata.c (ecc_dup): Use mpz_submul_ui, now available in
	mini-gmp.
670
671
672
673
674
675
676
677
	(ecc_type): New enum, for Weierstrass and Montgomery curves
	(ecc_curve): New field type.
	(ecc_dup): Support montgomery curves.
	(ecc_add): Likewise.
	(ecc_curve_init_str): New argument, for the curve type.
	(ecc_curve_init): Pass curve type to all ecc_curve_init_str calls.
	Recognize curve25519, for bit_size 255.
	(output_modulo): Deleted assert, which isn't true for curve25519.
Niels Möller's avatar
Niels Möller committed
678

679
680
681
682
683
684
2014-06-30  Niels Möller  <nisse@lysator.liu.se>

	* camellia-absorb.c: Include <limits.h>, needed for correct use of
	HAVE_NATIVE_64_BIT. Reported and debugged by Magnus Holmgren.
	Fixes debian build failure on s390x.

685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
2014-06-26  Niels Möller  <nisse@lysator.liu.se>

	From Martin Storsjö:
	* configure.ac (IF_NOT_SHARED): New substituted variable.
	* hogweed.pc.in: Use @LIBS@, instead of hardcoding -lgmp. When
	shared libraries are disabled, move needed libraries from
	Requires.private: to Requires: and from Libs.private: to Libs:.

 	From Nikos Mavrogiannopoulos.
	* examples/hogweed-benchmark.c (bench_alg): Tolerate alg->init
	returning NULL.
	(bench_openssl_ecdsa_init): Return NULL if
	EC_KEY_new_by_curve_name fails, indicating the curve is not
	supported.

700
701
2014-06-25  Niels Möller  <nisse@lysator.liu.se>

702
703
	Support for building with mini-gmp instead of the real GMP. Loosely
	based on work by Nikos Mavrogiannopoulos.
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
	* configure.ac: New command line option --enable-mini-gmp. Also
	disable all libgmp-related checks when enabled.
	(NETTLE_USE_MINI_GMP): New substituted variable.
	(LIBHOGWEED_LIBS): Use $(LIBS) instead of -lgmp.
	(IF_MINI_GMP): New Makefile conditional.
	(GMP_NUMB_BITS): Alternative test for the mini-gmp case.
	Substituted also in bignum.h.
	(HAVE_MPZ_POWM_SEC): Drop this unused check.

	* bignum.h: Renamed, to...
	* bignum.h.in: New name.
	(NETTLE_USE_MINI_GMP): Substituted by configure.
	(GMP_NUMB_BITS): Substituted by configure, for the mini-gmp case.

	* Makefile.in (OPT_HOGWEED_SOURCES): New variable, value
	conditional on @IF_MINI_GMP@.
	(hogweed_SOURCES): Add $(OPT_HOGWEED_SOURCES).
	(PRE_CPPFLAGS): Add -I$(srcdir).
	(HEADERS): Delete bignum.h.
	(INSTALL_HEADERS): Add bignum.h. Also add mini-gmp.h, if mini-gmp
	is enabled.
	(DISTFILES): Added bignum.h.in.
	(bignum.h): New target.
	(distclean-here): Delete bignum.h.

	* examples/ecc-benchmark.c (modinv_gcd) [NETTLE_USE_MINI_GMP]:
	Disable this benchmark.
	(mpn_random) [NETTLE_USE_MINI_GMP]: Provide a simple implementation.

	* testsuite/ecc-mod-test.c [NETTLE_USE_MINI_GMP]: Skip test, it
	depends on gmp_randstate_t.
	* testsuite/ecc-modinv-test.c [NETTLE_USE_MINI_GMP]: Likewise.
	* testsuite/ecc-mul-a-test.c [NETTLE_USE_MINI_GMP]: Likewise.
	* testsuite/ecc-mul-g-test.c [NETTLE_USE_MINI_GMP]: Likewise.
	* testsuite/ecc-redc-test.c [NETTLE_USE_MINI_GMP]: Likewise.

	Various preparations for mini-gmp support.
741
742
743
744
745
	* testsuite/bignum-test.c: Use WITH_HOGWEED instead of HAVE_LIBGMP
	for preprocessor conditionals.
	* testsuite/testutils.h: Likewise.
	* testsuite/sexp-format-test.c: Likewise.

746
747
748
749
750
	* testsuite/ecdsa-keygen-test.c (test_main): Use printf,
	mpz_out_str and write_mpn instead of gmp_fprintf.
	* testsuite/ecdsa-sign-test.c (test_ecdsa): Likewise.
	* testsuite/ecdsa-verify-test.c (test_ecdsa): Likewise.

751
752
753
754
755
756
757
	* dsa.h: Include bignum.h instead of gmp.h.
	* ecc-internal.h: Likewise.
	* ecc.h: Likewise.
	* gmp-glue.h: Likewise.
	* pkcs1.h: Likewise.
	* rsa.h: Likewise.

Niels Möller's avatar
Niels Möller committed
758
759
	* testsuite/testutils.c (die): Use plain vfprintf, not
	gmp_vfprintf.
760
761
762
	(write_mpn): New function.
	(test_ecc_point): Use it, replacing gmp_fprintf.
	* testsuite/testutils.h (write_mpn): Declare it.
Niels Möller's avatar
Niels Möller committed
763

764
765
	* der-iterator.c: Deleted HAVE_LIBGMP conditionals.

Niels Möller's avatar
Niels Möller committed
766
767
768
769
2014-06-07  Niels Möller  <nisse@lysator.liu.se>

	* Released nettle-3.0

770
771
2014-06-04  Niels Möller  <nisse@lysator.liu.se>

772
773
774
	* NEWS: List des-compat.h as a candidate for removal in the next
	release.

775
776
777
	* testsuite/des-compat-test.c (test_main): Fixed out of bounds
	memory read, reported by Nikos Mavrogiannopoulos.

778
779
780
	* nettle-write.h: Include <stddef.h>, fixing compilation on
	freebsd.

781
782
783
	* aclocal.m4 (ac_stdint): Fixed "unsinged" typo, spotted by Andy
	Goth.

Niels Möller's avatar
Niels Möller committed
784
785
786
787
788
789
790
791
792
793
2014-06-01  Niels Möller  <nisse@lysator.liu.se>

	* x86_64/gcm-hash8.asm: Pass correct argument count to W64_EXIT.
	* x86_64/camellia-crypt-internal.asm: Pass correct argument count
	to W64_ENTRY and W64_EXIT.

	* x86_64/machine.m4 [W64_ABI]: Fix for the case of 6 function
	arguments. Also push %rdi unconditionally, and use aligned
	accesses for save and restore %xmm registers (movdqa).

794
795
2014-05-31  Niels Möller  <nisse@lysator.liu.se>

796
797
798
799
800
801
	* configure.ac: Check for COFF type directives.
	(ASM_COFF_STYLE): New substituted variable.
	* config.m4.in: Set COFF_STYLE from configure.
	* asm.m4 (PROLOGUE): Use COFF type directive, if enabled by
	configure. Fixes problem with windows dll linking.

802
803
	* asm.m4: Deleted unused offsets for struct aes_ctx.

804
805
2014-05-28  Niels Möller  <nisse@lysator.liu.se>

806
807
808
	* testsuite/nettle-pbkdf2-test: Delete carriage return characters
	from output.

809
810
811
812
813
	* configure.ac (LIBHOGWEED_LIBS): Be explicit and link
	libhogweed.so with libnettle.so, not -lnettle.
	(LIBHOGWEED_LINK): Drop -L. flag, no longer needed, and previously
	not at the correct position in the link command line.

814
815
816
817
818
819
820
2014-05-27  Niels Möller  <nisse@lysator.liu.se>

	* examples/ecc-benchmark.c: If mpn_sec_powm is available,
	benchmark it, for modinv.
	(bench_modinv_powm): New function.
	(bench_curve): Use it.

821
822
823
824
825
2014-05-22  Niels Möller  <nisse@lysator.liu.se>

	From Claudio Bley:
	* Makefile.in ($(des_headers)): Use the EXEEXT_FOR_BUILD.

826
827
2014-05-15  Niels Möller  <nisse@lysator.liu.se>

828
829
	* NEWS: Updated with library version numbers.

830
831
	* configure.ac (dummy-dep-files): Use simpler and more portable
	sed expression. Problem reported by Peter Eriksson.
832
833
834
	(LIBHOGWEED_MAJOR): Bumped shared library version to 3.0.
	(LIBHOGWEED_MINOR): Reset to zero. Also increased the package
	version number to 3.0.
835

836
837
	* getopt.c: Don't use gettext.

838
839
840
841
842
2014-05-14  Niels Möller  <nisse@lysator.liu.se>

	* testsuite/nettle-pbkdf2-test: Avoid the bash construction
	${#foo}.

843
844
845
846
847
848
	* getopt.c: Copied from glibc tree, tag glibc-2.19.
	* getopt.h: Likewise.
	* getopt1.c: Likewise.
	* getopt_int.h: New file, also copied from glibc.
	* Makefile.in (DISTFILES): Added getopt_int.h.

849
850
2014-05-09  Niels Möller  <nisse@lysator.liu.se>

851
852
853
	* mini-gmp.c: Updated, use version from gmp-6.0.0.
	* mini-gmp.h: Likewise.

854
855
856
	* testsuite/Makefile.in (all): Drop dependency on $(TARGETS), to
	delay building of test programs until make check.

857
858
2014-05-08  Niels Möller  <nisse@lysator.liu.se>

Niels Möller's avatar
Niels Möller committed
859
860
	* nettle.texinfo (nettle_aead abstraction): Document nettle_aead.

861
862
863
864
865
866
867
	* Makefile.in (nettle_SOURCES): Added nettle-meta-aeads.c.
	* nettle-meta.h (nettle_aeads): Declare array.
	* nettle-meta-aeads.c (nettle_aeads): New file, new array.
	* testsuite/meta-aead-test.c: New test case.
	* testsuite/Makefile.in (TS_NETTLE_SOURCES): Added
	meta-aead-test.c.

868
869
870
	* aclocal.m4 (GMP_PROG_CC_FOR_BUILD): If CC_FOR_BUILD is gcc, add
	-O option. This makes eccdata twice as fast.

871
872
873
874
875
2014-05-06  Niels Möller  <nisse@lysator.liu.se>

	* nettle.texinfo: Document SHA3 and ChaCha-Poly1305 as
	experimental.

Niels Möller's avatar
Niels Möller committed
876
877
878
2014-05-05  Niels Möller  <nisse@lysator.liu.se>

	* nettle.texinfo (POLY1305): Document poly1305-aes.
879
880
881
	(Authenticated encryption): Move AEAD algorithms to their own
	section.
	(RSA, DSA, ECDSA): Change some subsections to subsubsections.
Niels Möller's avatar
Niels Möller committed
882
	(ChaCha-Poly1305): Document ChaCha-Poly1305.
Niels Möller's avatar
Niels Möller committed
883

Niels Möller's avatar
Niels Möller committed
884
885
886
2014-05-04  Niels Möller  <nisse@lysator.liu.se>

	* nettle.texinfo (DSA): Document new DSA interface.
887
	(Salsa20): Update salsa20 docs.
Niels Möller's avatar
Niels Möller committed
888
	(ChaCha): Document ChaCha.
Niels Möller's avatar
Niels Möller committed
889

Niels Möller's avatar
Niels Möller committed
890
891
2014-05-03  Niels Möller  <nisse@lysator.liu.se>

892
893
894
895
	* configure.ac: Check for SIZEOF_SIZE_T.
	* ccm.c (ccm_set_nonce): Skip code for 64-bit encoding when size_t
	is only 32 bits.

Niels Möller's avatar
Niels Möller committed
896
897
898
	* nettle.texinfo (CCM): Document new ccm macros and constants.
	Describe ccm restrictions.

Niels Möller's avatar
Niels Möller committed
899
900
	* ccm.h (CCM_DIGEST_SIZE): New constant.

901
902
903
904
905
906
907
908
909
910
2014-04-30  Niels Möller  <nisse@lysator.liu.se>

	* ccm.c (CCM_IV_MAX_SIZE, CCM_IV_MIN_SIZE): Deleted, replaced by
	public constants CCM_MIN_NONCE_SIZE and CCM_MAX_NONCE_SIZE.
	(ccm_build_iv): Updated for above rename.
	(CCM_L_MAX_SIZE): Deleted, no longer used.

	* ccm.h (CCM_MIN_NONCE_SIZE, CCM_MAX_NONCE_SIZE): New constants.
	(CCM_MAX_MSG_SIZE): New macro.

Niels Möller's avatar
Niels Möller committed
911
912
913
2014-04-27  Niels Möller  <nisse@lysator.liu.se>

	* nettle.texinfo (Cipher modes): Subsection on AEAD constructions.
Niels Möller's avatar
Niels Möller committed
914
915
	(GCM): Update GCM documentation, including functions for
	gcm_aes128, gcm_camellia128, ...
Niels Möller's avatar
Niels Möller committed
916

917
918
2014-04-26  Niels Möller  <nisse@lysator.liu.se>

919
920
	* nettle.texinfo: Update for introduction of nettle_cipher_func.
	(GCM): Document GCM_DIGEST_SIZE.
921
	(UMAC): Document new UMAC constants.
922
	(Keyed hash functions): Make HMAC and UMAC their own info nodes.
Niels Möller's avatar
Niels Möller committed
923
	(EAX): Document EAX.
924

925
926
927
	* umac.h (UMAC_MIN_NONCE_SIZE, UMAC_MAX_NONCE_SIZE): New
	constants.

928
929
2014-04-25  Niels Möller  <nisse@lysator.liu.se>

930
931
	* All hash-related files: Renamed all _DATA_SIZE constants to
	_BLOCK_SIZE, for consistency. Old names kept for backwards
932
	compatibility.
933

Owen Kirby's avatar
Owen Kirby committed
934
935
936
	* nettle.texinfo (CCM): Documentation for CCM mode, contributed by
	Owen Kirby.

937
938
939
940
941
942
943
944
945
	* testsuite/ccm-test.c (test_cipher_ccm): And tests.

	* ccm.c (ccm_decrypt_message): Change length argument, should now
	be clear text (dst) length.
	* ccm-aes128.c (ccm_aes128_decrypt_message): Likewise.
	* ccm-aes192.c (ccm_aes192_decrypt_message): Likewise.
	* ccm-aes256.c (ccm_aes256_decrypt_message): Likewise.
	* ccm.h: Updated prototypes.

946
947
2014-04-22  Niels Möller  <nisse@lysator.liu.se>

948
949
950
	* nettle.texinfo (Recommended hash functions): Document additional
	sha512 variants.

951
952
953
	* sha2.h (sha512_224_ctx, sha512_256_ctx): New aliases for the
	sha512_ctx struct tag.

954
955
956
957
958
2014-04-17  Niels Möller  <nisse@lysator.liu.se>

	* examples/Makefile.in (SOURCES): Deleted next-prime.c (forgotten
	in 2014-04-13 change).

Niels Möller's avatar
Niels Möller committed
959
960
2014-04-16  Niels Möller  <nisse@lysator.liu.se>

961
962
963
	* testsuite/ccm-test.c (test_cipher_ccm): Deleted check for NULL
	authdata.

Niels Möller's avatar
Niels Möller committed
964
965
966
967
968
969
	* sha3-224.c (sha3_224_init): Pass pointer to context struct, not
	pointer to first element, to memset.
	* sha3-256.c (sha3_256_init): Likewise.
	* sha3-384.c (sha3_384_init): Likewise.
	* sha3-512.c (sha3_512_init): Likewise.

Niels Möller's avatar
Niels Möller committed
970
971
972
973
	* examples/eratosthenes.c (vector_alloc): Use sizeof(*vector)
	instead of explicit type in malloc call.
	(vector_init): Make constant explicitly unsigned long.

Niels Möller's avatar
Niels Möller committed
974
975
	* tools/input.c (sexp_get_quoted_char): Deleted useless for loop.

976
977
2014-04-13  Niels Möller  <nisse@lysator.liu.se>

978
979
980
981
982
	* rsa-compat.c: Deleted file.
	* rsa-compat.h: Deleted file.
	* Makefile.in (hogweed_SOURCES): Deleted rsa-compat.c.
	(HEADERS): Deleted rsa-compat.h.

983
984
985
986
987
988
989
990
991
992
	* examples/next-prime.c: Deleted file.
	* bignum-next-prime.c (nettle_next_prime): Deleted file and
	function.
	* prime-list.h: Deleted file.
	* bignum.h (nettle_next_prime): Deleted prototype.
	* Makefile.in (hogweed_SOURCES): Deleted bignum-next-prime.c.
	(DISTFILES): Deleted prime-list.h.
	* examples/Makefile.in (HOGWEED_TARGETS): Deleted next-prime, and
	corresponding make target.

Niels Möller's avatar
Niels Möller committed
993
994
995
996
997
998
999
1000
1001
1002
1003
1004
1005
1006
1007
2014-04-12  Niels Möller  <nisse@lysator.liu.se>

	* nettle.texinfo (Copyright): Updated licensing info.
	* README: Likewise.

	* Makefile.in (DISTFILES): Distribute new COPYING* files.

	* COPYING.LESSERv3: New file.
	* COPYINGv3: New file.
	* COPYING.LIB: Deleted.
	* COPYINGv2: New name for GPL version 2 file.
	* COPYING: Old name, deleted.

	* Update license headers for LGPL3+ and GPL2+ dual licensing.

Niels Möller's avatar
Niels Möller committed
1008
1009
2014-04-11  Niels Möller  <nisse@lysator.liu.se>

1010
1011
	* testsuite/testutils.c (test_aead): Use aead->digest_size.

1012
1013
	* configure.ac: Skip GMP tests if public key support is disabled.

1014
1015
	* eax.c (block16_xor): Fixed bug effecting 32-bit platforms.

Niels Möller's avatar
Niels Möller committed
1016
1017
1018
1019
	* Makefile.in (DISTFILES): Deleted memxor.c, already included via
	nettle_SOURCES.
	* tools/Makefile.in (SOURCES): Add nettle-pbkdf2.c.

1020
1021
1022
1023
1024
1025
1026
2014-04-10  Niels Möller  <nisse@lysator.liu.se>

	From Nikos Mavrogiannopoulos:
	* examples/hogweed-benchmark.c (bench_openssl_ecdsa_init): Support
	for secp192r1 and secp256r1.
	(alg_list): Add them.

1027
1028
2014-04-09  Niels Möller  <nisse@lysator.liu.se>

1029
1030
1031
	* examples/nettle-benchmark.c (main): Benchmark sha512_224 and
	sha512_256.

1032
1033
1034
1035
	* testsuite/sha512-224-test.c: New file.
	* testsuite/sha512-256-test.c: New file.
	* testsuite/Makefile.in (TS_NETTLE_SOURCES): Added new files.

1036
1037
1038
1039
	* nettle-meta.h (nettle_sha512_224, nettle_sha512_256): Declare.
	* sha512-224-meta.c (nettle_sha512_224): New file, new nettle_hash.
	* sha512-256-meta.c (nettle_sha512_256): New file, new nettle_hash.

1040
1041
1042
	* sha2.h (SHA512_224_DIGEST_SIZE, SHA512_224_DATA_SIZE)
	(SHA512_256_DIGEST_SIZE, SHA512_256_DATA_SIZE): New constants.

1043
1044
	* sha512.c (sha512_256_digest): Typo fix, call sha512_256_init.

1045
1046
1047
	* testsuite/testutils.c (test_hash): Removed redundant init call.
	Tests that digest implies init.

1048
1049
2014-03-28  Niels Möller  <nisse@lysator.liu.se>

1050
1051
	* testsuite/dsa-keygen-test.c (test_main): Explicitly use
	dsa_compat_generate_keypair.
1052
1053
1054
	(test_main): Test dsa_generate_params and dsa_generate_keypair
	with a large q; p_bits = 1024, q_bits = 768.

1055
1056
	* testsuite/testutils.h: Undo dsa-compat.h name mangling.

1057
1058
1059
1060
1061
	* dsa-keygen.c (dsa_generate_keypair): New interface, generating
	only a keypair, and no new parameters.
	* dsa-compat-keygen.c (dsa_compat_generate_keypair): New file.
	Moved old key generation function here. Use dsa_generate_keypair.

1062
1063
2014-03-27  Niels Möller  <nisse@lysator.liu.se>

1064
1065
1066
1067
1068
1069
1070
1071
1072
	* dsa-compat.c (dsa_public_key_init, dsa_public_key_clear)
	(dsa_private_key_init, dsa_private_key_clear): : Move deprecated
	DSA functions to a separate file...
	* dsa.c: ...from here.
	* dsa-compat.h: New file, declaring deprecated DSA interface.
	Include in corresponding C files.
	* Makefile.in (hogweed_SOURCES): Add dsa-compat.c.
	(HEADERS): Add dsa-compat.h.

1073
1074
1075
1076
	* dsa-gen-params.c (dsa_generate_params): New file and function,
	extracted from DSA key generation.
	* dsa-keygen.c (dsa_generate_keypair): Use dsa_generate_params.

Niels Möller's avatar
Niels Möller committed
1077
1078
2014-03-26  Niels Möller  <nisse@lysator.liu.se>

1079
1080
1081
1082
1083
1084
1085
1086
1087
1088
1089
1090
1091
1092
	* der2dsa.c (dsa_params_from_der_iterator): Converted to new DSA
	interface. Allow q_size == 0, meaning any q < p is allowed.
	Additional validity checks.
	(dsa_public_key_from_der_iterator): Converted to new DSA
	interface. Also check that the public value is in the correct
	range.
	(dsa_openssl_private_key_from_der_iterator): Converted
	to new DSA interface. Additional validity checks.
	(dsa_openssl_private_key_from_der): Converted to new DSA
	interface.
	* tools/pkcs1-conv.c (convert_dsa_private_key): Update to use
	struct dsa_params, and adapt to the der decoding changes.
	(convert_public_key): Likewise.

1093
1094
1095
	* examples/hogweed-benchmark.c: Update dsa benchmarking to use new
	DSA interface.

1096
1097
1098
1099
	* dsa.c (dsa_params_init, dsa_params_clear): New functions.
	(dsa_public_key_init): Use dsa_params_init.
	(dsa_public_key_clear): Use dsa_params_clear.

1100
1101
1102
1103
1104
1105
	* sexp2dsa.c (dsa_keypair_from_sexp_alist): Converted to new DSA
	interface. Allow q_size == 0, meaning any q < p is allowed.
	Additional validity checks.
	(dsa_sha1_keypair_from_sexp, dsa_sha256_keypair_from_sexp):
	Converted to new DSA interface.

1106
1107
1108
1109
	* dsa2sexp.c (dsa_keypair_to_sexp): Converted to new DSA
	interface.
	* tools/pkcs1-conv.c: Updated uses of dsa_keypair_to_sexp.

1110
1111
1112
1113
1114
1115
1116
1117
1118
1119
1120
1121
1122
1123
1124
1125
1126
1127
1128
1129
1130
1131
1132
	* dsa.h (struct dsa_params): New struct.

	* dsa-sign.c (dsa_sign): Use struct dsa_params, with key as a
	separate mpz_t.
	* dsa-verify.c (dsa_verify): Likewise.
	* dsa-sha1-verify.c (dsa_sha1_verify_digest, dsa_sha1_verify): Use
	dsa_verify, cast the struct dsa_public_key * input to a struct
	dsa_params *
	* dsa-sha256-verify.c (dsa_sha256_verify_digest)
	(dsa_sha256_verify): Likewise.
	* dsa-sha1-sign.c (dsa_sha1_sign_digest, dsa_sha1_sign): Likewise
	use dsa_sign, with a cast from struct dsa_public_key * to struct
	dsa_params *.
	* dsa-sha256-sign.c (dsa_sha256_sign_digest, dsa_sha256_sign):
	Likewise.

	* testsuite/testutils.c (test_dsa_verify): Use struct dsa_params.
	(test_dsa_key): Likewise.
	* testsuite/dsa-test.c (test_main): Adapt to test_dsa_key and
	test_dsa_verify changes.
	* testsuite/dsa-keygen-test.c (test_main): Adapt to
	test_dsa_key change.

Niels Möller's avatar
Niels Möller committed
1133
1134
1135
	* testsuite/testutils.c (test_dsa_sign): #if out, currently
	unused.

Owen Kirby's avatar
Owen Kirby committed
1136
1137
1138
1139
1140
1141
1142
1143
1144
1145
1146
1147
1148
2014-03-23  Niels Möller  <nisse@lysator.liu.se>

	From Owen Kirby:
	* ccm.c: New file.
	* ccm.h: New file.
	* ccm-aes128.c: New file.
	* ccm-aes192.c: New file.
	* ccm-aes256.c: New file.
	* Makefile.in (nettle_SOURCES): Added ccm source files.
	(HEADERS): Added ccm.h.
	* testsuite/ccm-test.c: New file.
	* testsuite/Makefile.in (TS_NETTLE_SOURCES): Added ccm-test.c.

Niels Möller's avatar
Niels Möller committed
1149
1150
1151
2014-03-20  Niels Möller  <nisse@lysator.liu.se>

	From Joachim Strömbergson:
1152
1153
1154
1155
1156
1157
	* sha512.c (K): Indentation fix.
	(sha512_224_init, sha512_224_digest, sha512_256_init)
	(sha512_256_digest): New functions.
	* sha2.h: Add prototypes.
	(sha512_224_update, sha512_256_update): New aliases for
	sha512_update.
Niels Möller's avatar
Niels Möller committed
1158

1159
1160
2014-03-18  Niels Möller  <nisse@lysator.liu.se>

1161
1162
1163
1164
1165
1166
1167
1168
1169
	* examples/nettle-benchmark.c (main): Add benchmarking of arcfour,
	salsa20 and chacha, via time_aead.

	* nettle-internal.c (nettle_arcfour128): Define, as a struct
	nettle_aead (with NULL set_nonce, update, and digest methods).
	* examples/nettle-openssl.c (nettle_openssl_arcfour128): Likewise.
	* nettle-internal.h (nettle_arcfour128)
	(nettle_openssl_arcfour128): Declare.

1170
1171
1172
1173
1174
1175
1176
1177
1178
1179
1180
	* nettle-types.h (nettle_cipher_func): New typedef, similar to
	nettle_crypt_func, but with a const context, intended for block
	ciphers.
	* nettle-meta.h (struct nettle_cipher): Use the nettle_cipher_func
	type.
	* Many other files affected: aes*-meta.c, camellia*-meta.c,
	cast128-meta.c, serpent-meta.c, twofish-meta.c, cbc.[ch],
	ctr.[ch], ctr.[ch], des-compat.c, eax.[ch], gcm*.[ch],
	nettle-internal.*, testsuite/aes-test.c,
	examples/nettle-benchmark.c, examples/nettle-openssl.c.

1181
1182
2014-03-16  Niels Möller  <nisse@lysator.liu.se>

1183
1184
	* chacha-set-key.c: Include string.h.

1185
1186
1187
1188
1189
1190
1191
1192
1193
	* arcfour-meta.c: Deleted file.
	* nettle-meta.h (nettle_arcfour128): Deleted declaration.
	* nettle-meta-ciphers.c (nettle_ciphers): Deleted
	nettle_arcfour128 from list.
	* Makefile.in (nettle_SOURCES): Deleted arcfour-meta.c.
	* examples/nettle-openssl.c (nettle_openssl_arcfour128): Deleted.
	* testsuite/meta-cipher-test.c: Adjust test for removal of
	nettle_arcfour128.

1194
1195
2014-03-15  Niels Möller  <nisse@lysator.liu.se>

1196
1197
1198
1199
1200
1201
1202
	* examples/nettle-benchmark.c (struct bench_aead_info): New
	struct.
	(bench_aead_crypt, bench_aead_update, init_nonce, time_aead): New
	functions, for benchmarking aead algorithms.
	(time_gcm, time_eax): Deleted functions.
	(main): Use time_aead to benchmark gcm, eax and chacha-poly1305.

1203
1204
1205
1206
	* salsa20.h (SALSA20_NONCE_SIZE): Renamed constant, old name
	SALSA20_IV_SIZE kept as an alias.
	(salsa20_set_nonce): Update prototype for the 2014-01-20 rename.

1207
1208
1209
	* Makefile.in (.asm.s): Add dependencies.
	(.s.o, .s.po): Empty any dependency .d file.

1210
1211
2014-03-04  Niels Möller  <nisse@lysator.liu.se>

1212
1213
1214
	* testsuite/chacha-test.c (test_main): Additional test cases, for
	256-bit keys.

1215
1216
1217
1218
1219
1220
1221
1222
1223
1224
	* Makefile.in (nettle_SOURCES): Deleted chacha128-set-key.c and
	chacha256-set-key.c.

	* chacha.h (CHACHA256_KEY_SIZE): Deleted.
	(chacha_set_key): Updated prototype.
	* chacha256-set-key.c (chacha256_set_key): Deleted file and
	function, moved to...
	* chacha-set-key.c (chacha_set_key): Do 256-bit keys only. Deleted
	length argument. Updated all callers.

1225
1226
1227
1228
1229
1230
1231
1232
1233
	* chacha128-set-key.c (chacha128_set_key): Deleted file and
	function. Support for 128-bit chacha keys may be reintroduced
	later, if really needed.
	* chacha.h: Deleted chacha128-related declarations.
	* chacha-set-key.c (chacha_set_key): Drop support for 128-bit
	keys.
	* testsuite/chacha-test.c (test_main): #if:ed out all tests with
	128-bit keys.

Niels Möller's avatar
Niels Möller committed
1234
1235
2014-02-16  Niels Möller  <nisse@lysator.liu.se>

Niels Möller's avatar
Niels Möller committed
1236
1237
1238
1239
1240
1241
1242
1243
1244
	* gcm.h: Declarations for gcm-camellia256.
	* gcm-camellia256.c: New file.
	* gcm-camellia256-meta.c: New file.
	* nettle-meta.h (nettle_gcm_camellia256): Declare.
	* Makefile.in (nettle_SOURCES): Added gcm-camellia256.c and
	gcm-camellia256-meta.c.
	* testsuite/gcm-test.c (test_main): Test cases for
	nettle_gcm_camellia256.

Niels Möller's avatar
Niels Möller committed
1245
1246
1247
1248
1249
1250
1251
1252
1253
	* gcm.h: Include camellia.h. Declarations for gcm-camellia128.
	* gcm-camellia128.c: New file.
	* gcm-camellia128-meta.c: New file.
	* nettle-meta.h (nettle_gcm_camellia128): Declare.
	* Makefile.in (nettle_SOURCES): Added gcm-camellia128.c and
	gcm-camellia128-meta.c.
	* testsuite/gcm-test.c (test_main): Test cases for
	nettle_gcm_camellia128. From Nikos Mavrogiannopoulos.

1254
1255
2014-02-13  Niels Möller  <nisse@lysator.liu.se>

1256
1257
1258
1259
1260
1261
1262
1263
1264
1265
1266
1267
1268
1269
1270
1271
	* Makefile.in (nettle_SOURCES): Added eax-aes128.c
	eax-aes128-meta.c.
	* examples/nettle-benchmark.c: Include eax.h.
	* nettle-meta.h (nettle_eax_aes128): Declare, moved from
	nettle-internal.h.
	* eax.h: Declare eax_aes128_ctx and related functions. Moved from
	nettle-internal.h
	(EAX_IV_SIZE): New constant.
	* eax-aes128-meta.c (nettle_eax_aes128): Moved definition to new
	file.
	* eax-aes128.c (eax_aes128_set_key, eax_aes128_set_nonce)
	(eax_aes128_update, eax_aes128_encrypt, eax_aes128_decrypt)
	(eax_aes128_digest): Moved functions to a new file.
	* nettle-internal.c: ... from old location.
	* nettle-internal.h: Moved eax declarations elsewhere.

1272
1273
	* tools/nettle-pbkdf2.c (main): Added missing deallocation.

1274
1275
2014-02-12  Niels Möller  <nisse@lysator.liu.se>

Niels Möller's avatar
Niels Möller committed
1276
1277
1278
1279
1280
1281
1282
1283
1284
1285
1286
1287
1288
1289
	* chacha-poly1305.h: New file.
	* chacha-poly1305.c: New file.
	* chacha-poly1305-meta.c (nettle_chacha_poly1305): New file, new
	aead algorithm.
	* nettle-meta.h (nettle_chacha_poly1305): Declare.

	* Makefile.in (nettle_SOURCES): Added chacha-poly1305.c and
	chacha-poly1305-meta.c.
	(HEADERS): Added chacha-poly1305.h.

	* testsuite/Makefile.in (TS_NETTLE_SOURCES): Added
	chacha-poly1305-test.c.
	* testsuite/chacha-poly1305-test.c: New file.

1290
1291
1292
1293
1294
1295
1296
1297
1298
1299
1300
1301
1302
1303
1304
1305
1306
1307
1308
1309
1310
1311
1312
1313
1314
	* nettle-meta.h (struct nettle_aead): New generalized version
	if this struct.
	(nettle_gcm_aes128, nettle_gcm_aes192, nettle_gcm_aes256)
	(nettle_eax_aes128): Declare, moved from nettle-internal.h.
	* nettle-internal.h (struct nettle_aead): Deleted struct, moved to
	nettle-meta.h. Deleted declarations of unused instances.
	(_NETTLE_AEAD): Deleted macro.
	* nettle-internal.c (nettle_eax_aes128): Updated for new
	nettle_aead struct.
	(nettle_gcm_aes128, nettle_gcm_aes192, nettle_gcm_aes256):
	Deleted, moved to new files.
	* gcm-aes128-meta.c (nettle_gcm_aes128): Moved to new file,
	updated for new nettle_aead struct.
	* gcm-aes192-meta.c (nettle_gcm_aes192): Likewise.
	* gcm-aes256-meta.c (nettle_gcm_aes256): Likewise.
	* testsuite/testutils.c (test_aead): Take alternative set_nonce
	function as argument, and use it when nonce size differs from
	aead->nonce_length.
	* testsuite/testutils.h (test_aead): Updated prototype.
	* testsuite/gcm-test.c (nettle_gcm_unified_aes128): Updated for
	new nettle_aead struct.
	(test_main): Pass additional argument to test_aead.
	* testsuite/eax-test.c (test_main): Pass additional NULL argument
	to test_aead.

1315
1316
1317
	* eax.h (EAX_DIGEST_SIZE): New constant.
	* gcm.h (GCM_DIGEST_SIZE): Likewise.

1318
1319
1320
1321
1322
1323
2014-02-10  Niels Möller  <nisse@lysator.liu.se>

	* chacha-set-nonce.c (chacha_set_nonce): Renamed file and
	function, updated callers and Makefile.in.
	* chacha-set-iv.c (chacha_set_iv): ... from old names.

1324
1325
2014-02-08  Niels Möller  <nisse@lysator.liu.se>

Niels Möller's avatar
Niels Möller committed
1326
1327
1328
1329
1330
	* testsuite/chacha-test.c (test_chacha): For 20 rounds, use
	chacha_crypt, and test varying the message length.
	(test_main): Add second key stream block, for all testcases with
	20 rounds.

1331
1332
	* chacha-crypt.c (chacha_crypt): Fixed block counter update.

1333
1334
2014-02-07  Niels Möller  <nisse@lysator.liu.se>

1335
1336
1337
1338
	* nettle.texinfo (ASCII encoding): Document that
	base16_encode_update and base64_encode_update now uses dst_length
	as an output only.

Niels Möller's avatar
Niels Möller committed
1339
1340
1341
	* testsuite/base64-test.c (test_main): Updated
	base64_decode_update test case.

1342
1343
	* sexp-transport.c (sexp_transport_iterator_first): For
	base64_decode_update, omit initialization of coded_length.
1344
1345
	* examples/base64dec.c (main): Likewise.
	* examples/base16dec.c (main): Likewise, for base16_decode_update.
1346

1347
1348
1349
1350
	* base64-decode.c (base64_decode_update): Use *dst_length for
	output only. Don't require callers to pass a sane value.
	* base16-decode.c (base16_decode_update): Likewise.

1351
1352
2014-02-06  Niels Möller  <nisse@lysator.liu.se>

1353
1354
	* NEWS: List _set_key incompatibilities.

Niels Möller's avatar
Niels Möller committed
1355
1356
1357
1358
1359
1360
	* nettle-meta.h (_NETTLE_CIPHER_SEP, _NETTLE_CIPHER_SEP_SET_KEY)
	(_NETTLE_CIPHER_FIX, _NETTLE_CIPHER): Deleted unused macros.

	* nettle-internal.c (nettle_blowfish128): Deleted only use of
	_NETTLE_CIPHER.

1361
1362
1363
	* blowfish.c (blowfish128_set_key): New function.
	* blowfish.h (BLOWFISH128_KEY_SIZE): New constant.

Niels Möller's avatar
Niels Möller committed
1364
1365
1366
	* cast128-meta.c (nettle_cast128): Deleted only use of
	_NETTLE_CIPHER_FIX.

1367
1368
	* examples/nettle-benchmark.c (time_cipher): Fixed memset calls.

Niels Möller's avatar
Niels Möller committed
1369
1370
2014-01-30  Niels Möller  <nisse@lysator.liu.se>

Niels Möller's avatar
Niels Möller committed
1371
1372
	* Makefile.in (nettle_SOURCES): Arrange in alphabetic order.

1373
1374
1375
	* nettle.texinfo: Updated, document size_t for length arguments.
	Document new AES and Camellia interfaces.

Niels Möller's avatar
Niels Möller committed
1376
	* ecc-size.c (ecc_bit_size): New function.
Niels Möller's avatar
Niels Möller committed
1377
	* ecc.h (ecc_bit_size): Declare it.
Niels Möller's avatar
Niels Möller committed
1378

1379
1380
1381
1382
1383
1384
1385
1386
1387
1388
1389
1390
1391
1392
1393
1394
1395
1396
1397
1398
1399
1400
1401
1402
1403
1404
1405
1406
1407
1408
1409
1410
1411
1412
1413
1414
1415
1416
1417
1418
1419
1420
1421
1422
1423
1424
1425
1426
1427
1428
1429
1430
1431
1432
1433
1434
1435
1436
1437
1438
1439
1440
1441
1442
1443
1444
1445
1446
1447
1448
1449
1450
1451
1452
1453
1454
1455
1456
1457
1458
1459
1460
1461
1462
1463
1464
1465
1466
1467
2014-01-29  Niels Möller  <nisse@lysator.liu.se>

	* nettle-types.h (typedef nettle_set_key_func): Deleted length
	argument.

	* arctwo.c (arctwo40_set_key, arctwo64_set_key)
	(arctwo128_set_key, arctwo128_set_key_gutmann): New functions.
	* arctwo.h: Declare them.
	* arctwo-meta.c (ARCTWO): New macro.
	(nettle_arctwo40, nettle_arctwo64, nettle_arctwo128)
	(nettle_arctwo_gutmann128): Use new _set_key functions.

	* arcfour.h (ARCFOUR128_KEY_SIZE): New constant.
	* arcfour.c (arcfour128_set_key): New function.
	* arcfour-meta.c (nettle_arcfour128): Use arcfour128_set_key and
	ARCFOUR128_KEY_SIZE.

	* cast128.c (cast5_set_key): Renamed, was cast128_set_key.
	(cast128_set_key): New definition, with fixed key size.
	* cast128.h (CAST128_MIN_KEY_SIZE, CAST128_MAX_KEY_SIZE): Renamed
	constants, to...
	(CAST5_MIN_KEY_SIZE, CAST5_MAX_KEY_SIZE): ... new names.

	* eax.h (EAX_SET_KEY): Deleted length argument.

	* aes128-meta.c: Deleted _set_key wrappers.
	* aes192-meta.c: Likewise.
	* aes256-meta.c: Likewise.
	* camellia128-meta.c: Likewise.
	* camellia192-meta.c: Likewise.
	* camellia256-meta.c: Likewise.

	* gcm-aes128.c (gcm_aes128_set_key): Deleted length argument.
	* gcm-aes192.c (gcm_aes192_set_key): Likewise.
	* gcm-aes256.c (gcm_aes256_set_key): Likewise.
	* gcm.h: Updated prototypes.

	* serpent-set-key.c (serpent128_set_key, serpent192_set_key)
	(serpent256_set_key): New functions.
	* serpent.h: Declare new functions.
	(SERPENT128_KEY_SIZE, SERPENT192_KEY_SIZE)
	(SERPENT256_KEY_SIZE): New constants.
	* serpent-meta.c (SERPENT): New macro.
	(nettle_serpent128, nettle_serpent192, nettle_serpent256): Use new
	_set_key functions.

	* twofish-set-key.c (twofish128_set_key, twofish192_set_key)
	(twofish256_set_key): New functions.
	* twofish.h: Declare new functions.
	(TWOFISH128_KEY_SIZE, TWOFISH192_KEY_SIZE)
	(TWOFISH256_KEY_SIZE): New constants.
	* twofish-meta.c (TWOFISH): New macro.
	(nettle_twofish128, nettle_twofish192, nettle_twofish256): Use new
	_set_key functions.

	* nettle-internal.h (struct nettle_aead): Use
	nettle_hash_update_func for the set_iv function pointer.

	* nettle-internal.c (des_set_key_hack, des3_set_key_hack): Deleted
	wrapper functions.
	(chacha_set_key_hack): Deleted length argument. Use
	chacha256_set_key.
	(salsa20_set_key_hack): Deleted length argument. Use
	salsa20_256_set_key.
	(nettle_unified_aes128, nettle_unified_aes192)
	(nettle_unified_aes256): Deleted, moved to test program.
	(eax_aes128_set_key): Deleted length argument. Use EAX_SET_KEY.

	* examples/nettle-benchmark.c: Updated for _set_key changes.
	* examples/nettle-openssl.c: Likewise.
	* testsuite/testutils.c: Likewise.
	* testsuite/gcm-test.c: Likewise.

	* testsuite/aes-test.c (UNIFIED_AES): New macro. Moved glue for
	testing the old aes interface (struct aes_ctx) here.

	* testsuite/arcfour-test.c (test_arcfour): New function, for key
	sizes != 128 bits.
	(test_main): Use it.

	* testsuite/blowfish-test.c (test_blowfish): New function.
	(test_main): Use it. Also deleted old #if:ed out code.

	* testsuite/cast128-test.c (test_cast5): New function.
	(test_main): Use it, for 40-bit and 80-bit tests.

	* testsuite/serpent-test.c (test_serpent): New function.
	(test_main): Use it.

1468
1469
2014-01-27  Niels Möller  <nisse@lysator.liu.se>

1470
1471
1472
1473
1474
	* eax.h (struct eax_key, struct eax_ctx): Use union
	nettle_block16, for alignment.
	* eax.c: Updated everything to use nettle_block16.
	(block16_xor): New function.

Niels Möller's avatar
Niels Möller committed
1475
1476
1477
	* examples/nettle-benchmark.c (time_eax): New function.
	(main): Use it.

1478
1479
1480
	* x86_64/chacha-core-internal.asm: Use pshufhw + pshuflw for the
	16-bit rotate.

Niels Möller's avatar
Niels Möller committed
1481
1482
1483
	* configure.ac (asm_replace_list): Added chacha-core-internal.asm.
	* x86_64/chacha-core-internal.asm: New file.

Niels Möller's avatar
Niels Möller committed
1484
1485
1486
1487
	* examples/nettle-benchmark.c (main): Add benchmarking of chacha.
	* nettle-internal.c (nettle_chacha): New const struct, for the
	benchmark.

1488
1489
1490
1491
1492
1493
1494
1495
1496
1497
1498
1499
1500
1501
	Chacha implementation, based on contribution by Joachim
	Strömbergson.
	* chacha.h: New file.
	* chacha256-set-key.c (chacha256_set_key): New file and function.
	* chacha128-set-key.c (chacha128_set_key): New file and function.
	* chacha-set-key.c (chacha_set_key): New file and function.
	* chacha-set-iv.c (chacha_set_iv): New file and function.
	* chacha-core-internal.c (_chacha_core): New file and function.
	* chacha-crypt.c (chacha_crypt): New file and function.
	* Makefile.in (nettle_SOURCES): Added chacha files.
	(HEADERS): Added chacha.h.
	* testsuite/chacha-test.c: New file.
	* testsuite/Makefile.in (TS_NETTLE_SOURCES): Added chacha-test.c.

Niels Möller's avatar
Niels Möller committed
1502
1503
1504
1505
1506
1507
1508
1509
1510
1511
1512
1513
1514
1515
1516
1517
1518
1519
1520
1521
1522
1523
1524
1525
1526
1527
1528
1529
1530
2014-01-26  Niels Möller  <nisse@lysator.liu.se>

	* nettle-internal.h (_NETTLE_AEAD_FIX): Renamed to...
	(_NETTLE_AEAD): ... new name, and deleted old definition. Also use
	_set_nonce instead of _set_iv.
	* nettle-internal.c (nettle_gcm_aes128, nettle_gcm_aes192)
	(nettle_gcm_aes256): Define in terms of new interface.
	(nettle_eax_aes128): Updated for _NETTLE_AEAD changes.

	* testsuite/gcm-test.c (test_gcm_hash): Likewise use struct
	gcm_aes128_ctx.
	(test_main): Added a testcase using the old interface based on
	struct gcm_aes_ctx.

	* examples/nettle-benchmark.c (time_gcm): Update to use new struct
	gcm_aes128_ctx. Also use name "gcm-aes128" in output.

	* gcm.h: New interface for gcm_aes128, gcm_aes192, gcm_aes256,
	using the new AES interface.
	(GCM_CTX): Reorder fields, putting the cipher context
	last.

	* Makefile.in (nettle_SOURCES): Added gcm-aes128.c, gcm-aes192.c,
	and gcm-aes256.c.

	* gcm-aes128.c: New file.
	* gcm-aes192.c: New file
	* gcm-aes256.c: New file.

1531
1532
1533
1534
1535
1536
2014-01-25  Niels Möller  <nisse@lysator.liu.se>

	* gcm.h (GCM_SET_KEY): Deleted length argument.
	* gcm-aes.c (gcm_aes_set_key): Use aes_set_encrypt_key and
	gcm_set_key, can no longer use GCM_SET_KEY macro.

Niels Möller's avatar
Niels Möller committed
1537
1538
1539
1540
1541
2014-01-23  Niels Möller  <nisse@lysator.liu.se>

	* testsuite/gcm-test.c (test_main): Use the correct
	nettle_gcm_aes128/192/256 object.

1542
1543
1544
1545
2014-01-21  Niels Möller  <nisse@lysator.liu.se>

	Merged camellia-reorg changes (starting at 2013-10-07).

Niels Möller's avatar
Niels Möller committed
1546
1547
1548
1549
1550
1551
1552
1553
1554
1555
1556
1557
1558
1559
1560
1561
1562
1563
1564
1565
1566
1567
1568
1569
1570
1571
1572
1573
1574
1575
1576
1577
1578
1579
1580
1581
1582
1583
2013-10-10  Niels Möller  <nisse@lysator.liu.se>

	* Makefile.in (nettle_SOURCES): Updated list of camellia files.

	* testsuite/camellia-test.c (test_invert): Updated for new
	camellia interface.

	* camellia.h: Reorganized camellia interface, with distinct
	context structs and functions for camellia128 and camellia256.

	* camellia-meta.c: Deleted file.
	* camellia256-meta.c: New file.
	* camellia192-meta.c: New file.
	* camellia128-meta.c: New file.

	* camellia-set-decrypt-key.c: Deleted file, code moved to:
	* camellia128-set-decrypt-key.c: New file.
	(camellia128_invert_key, camellia128_set_decrypt_key): New
	functions.
	* camellia256-set-decrypt-key.c: New file.
	(camellia256_invert_key, camellia256_set_decrypt_key)
	(camellia192_set_decrypt_key): New functions.
	* camellia-invert-key.c (_camellia_invert_key): New file and
	function.

	* camellia-set-encrypt-key.c: Deleted file, code moved to:
	* camellia128-set-encrypt-key.c: New file.
	(camellia128_set_encrypt_key): New function.
	* camellia256-set-encrypt-key.c: New file.
	(_camellia256_set_encrypt_key, camellia256_set_encrypt_key)
	(camellia192_set_encrypt_key): New functions.
	* camellia-absorb.c (_camellia_absorb): New file and function.
	* camellia-internal.h: Moved key schedule macros here.

	* camellia-crypt.c: Deleted file, code moved to:
	* camellia128-crypt.c (camellia128_crypt): New file and function.
	* camellia256-crypt.c (camellia256_crypt): New file and function.

1584
1585
2013-10-07  Niels Möller  <nisse@lysator.liu.se>

1586
1587
1588
1589
	* configure.ac: Delete check for ALIGNOF_UINT64_T, no longer
	needed.
	* config.m4.in: Likewise delete ALIGNOF_UINT64_T.

1590
1591
1592
1593
1594
	* camellia-crypt.c (camellia_crypt): Updated call to
	_camellia_crypt.
	* camellia-internal.h (_camellia_crypt): Updated prototype.
	* camellia-crypt-internal.c (_camellia_crypt): Take separate
	arguments for rounds and subkey array.
Niels Möller's avatar
Niels Möller committed
1595
1596
	* x86_64/camellia-crypt-internal.asm: Likewise.	Also corrected
	.file pseudo-ops.
1597
1598
	* x86/camellia-crypt-internal.asm: Likewise.

1599
1600
2014-01-20  Niels Möller  <nisse@lysator.liu.se>

1601
1602
1603
1604
1605
	* poly1305-internal.c (poly1305_digest): Use union nettle_block16
	for s argument.
	* poly1305-aes.c (poly1305_aes_digest): Update for poly1305_digest
	change.

Niels Möller's avatar
Niels Möller committed
1606
	Merged poly1305 changes (starting at 2013-11-08).
1607
1608
1609
1610
1611
1612
1613
1614
1615
1616
1617
1618
1619
1620
1621
1622
1623
1624
1625
1626
1627
1628
1629
1630
	* x86_64/poly1305-internal.asm: Update to new interface.
	poly1305_digest much simplified.

	* poly1305.h (struct poly1305_ctx): Moved block and index
	fields...
	(struct poly1305_aes_ctx): ... to here.
	* asm.m4: Delete also from the assembly definition of struct
	poly1305_ctx.

	* poly1305-internal.c (poly1305_digest): Don't do final padding
	here, leave that to caller. Add digest to the provided nonce s,
	and deleted length and dst arguments. Also reset h0-h4 to zero
	when done.
	(_poly1305_block): Renamed, from...
	(poly1305_block): ...old name.

	* poly1305-aes.c (poly1305_aes_update): New function.
	(poly1305_aes_digest): Update for poly1305_digest changes, do
	final padding here.

	* poly1305.c (poly1305_update): Deleted file and function. Moved
	to poly1305-aes.c.
	* Makefile.in (nettle_SOURCES): Deleted poly1305.c.

1631
1632
2014-01-17  Niels Möller  <nisse@lysator.liu.se>

1633
1634
1635
1636
1637
1638
1639
1640
1641
1642
1643
	* poly1305-internal.c (poly1305_block): Additional argument with
	the high bit.
	(poly1305_block_internal): Deleted function, code moved into the
	poly1305_block.
	(poly1305_digest): Simplified padding code, call poly1305_block
	with high bit 0.
	* poly1305.h (poly1305_block): Update prototype.
	* poly1305.c (poly1305_update): Call poly1305_block with high bit 1.
	* x86_64/poly1305-internal.asm (poly1305_block): Handle new
	argument.

1644
1645
1646
1647
1648
1649
1650
1651
	* poly1305.h (struct poly1305_ctx): Moved nonce field from here...
	(struct poly1305_aes_ctx): ... to here.
	* poly1305-aes.c (poly1305_aes_set_nonce, poly1305_aes_digest):
	Updated for above.
	* poly1305.c (poly1305_set_nonce): Deleted function.
	* asm.m4: Delete nonce also from the assembly definition of struct
	poly1305_ctx.

1652
1653
2014-01-16  Niels Möller  <nisse@lysator.liu.se>

Niels Möller's avatar
Niels Möller committed
1654
	* poly1305-aes.c: Include poly1305.h. Rewrite functions without
1655
1656
1657
1658
1659
1660
1661
1662
1663
1664
1665
1666
1667
1668
1669
1670
1671
	using the POLY1305_* macros.

	* Makefile.in (HEADERS): Deleted poly1305-aes.h.

	* poly1305.h (POLY1305_CTX, POLY1305_SET_KEY, POLY1305_SET_NONCE)
	(POLY1305_DIGEST): Deleted macros. Only implemented variant is
	poly1305-aes.
	(POLY1305_DIGEST_SIZE, POLY1305_BLOCK_SIZE, POLY1305_KEY_SIZE):
	New constants.
	(POLY1305_AES_KEY_SIZE, POLY1305_AES_DIGEST_SIZE): Moved here,
	from poly1305-aes.h.
	(struct poly1305_aes_ctx): Likewise.
	(poly1305_aes_set_key, poly1305_aes_set_nonce)
	(poly1305_aes_update, poly1305_aes_digest): Likewise.
	* poly1305-aes.h: Deleted file, declarations moved to poly1305.h.
	Update all users.

1672
1673
	* poly1305-internal.c (s2, s3, s4): Fixed macros.

1674
1675
1676
1677
1678
1679
1680
	* poly1305-aes.h (struct poly1305_aes_ctx): Replace struct aes_ctx
	by struct aes128_ctx.
	* poly1305-aes.c (poly1305_aes_set_key, poly1305_aes_digest):
	Update to use aes128_* functions.
	* poly1305.h (POLY1305_SET_KEY): Drop key size argument when
	calling set_key.

Niels Möller's avatar
Niels Möller committed
1681
1682
1683
1684
1685
1686
1687
1688
1689
1690
1691
1692
2013-12-19  Niels Möller  <nisse@lysator.liu.se>

	* poly1305-aes.h (poly1305_aes_update): Define as an alias for
	poly1305_update, using preprocessor and a type cast.

	* poly1305-aes.c (poly1305_aes_update): Deleted function.

	* poly1305.h (poly1305_update): Declare.
	(_POLY1305_BLOCK, POLY1305_UPDATE): Deleted macros.

	* poly1305.c (poly1305_update): New function.

1693
1694
2013-11-21  Niels Möller  <nisse@lysator.liu.se>

Niels Möller's avatar
Niels Möller committed
1695
1696
1697
1698
1699
	* x86_64/poly1305-internal.asm: New file. Almost a factor of two
	speedup.

	* configure.ac (asm_replace_list): Added poly1305-internal.asm.

Niels Möller's avatar
Niels Möller committed
1700
	* asm.m4: Define struct offsets for 64-bit poly1305_ctx.
Niels Möller's avatar
Niels Möller committed
1701

1702
1703
1704
1705
1706
1707
1708
1709
1710
	* poly1305.h (POLY1305_DIGEST): Pass the encrypted nonce as an
	additional argument to poly1305_digest.
	(struct poly1305_ctx): Introduce unions, to support either 26-bit
	or 64-bit implementation.

	* poly1305-internal.c (poly1305_digest): Added s argument.

	* poly1305.c (poly1305_set_s): Deleted function.

Niels Möller's avatar
Niels Möller committed
1711
1712
1713
1714
2013-11-12  Niels Möller  <nisse@lysator.liu.se>

	* poly1305-internal.c: New file, for poly1305 functions depending
	on the internal mod (2^130 - 5) representation.
1715
1716
	(poly1305_block_internal): New helper function.
	(poly1305_block, poly1305_digest): Use it.
Niels Möller's avatar
Niels Möller committed
1717

1718
1719
1720
1721
1722
1723
1724
1725
1726
1727
1728
1729
1730
1731
1732
2013-11-08  Nikos Mavrogiannopoulos  <nmav@gnutls.org>

	* poly1305.h: New file.
	* poly1305.c: New file.
	* poly1305-aes.h: New file.
	* poly1305-aes.c: New file.
	* Makefile.in (nettle_SOURCES): Added poly1305-aes.c and poly1305.c.
	(HEADERS): Added poly1305-aes.h and poly1305.h.

	* testsuite/poly1305-test.c: New file.
	* testsuite/Makefile.in (TS_NETTLE_SOURCES): Added poly1305-test.c.

	* examples/nettle-benchmark.c (time_poly1305_aes): New function.
	(main): Benchmark poly1305.

1733
1734
1735
1736
1737
1738
1739
1740
1741
1742
1743
1744
1745
1746
1747
1748
1749
1750
1751
2014-01-20  Niels Möller  <nisse@lysator.liu.se>

	* Makefile.in (nettle_SOURCES): Added salsa20-set-nonce.c,
	salsa20-128-set-key.c, and salsa20-256-set-key.c.

	* salsa20.h: Declare new functions.
	(SALSA20_128_KEY_SIZE, SALSA20_256_KEY_SIZE): New constants.
	(salsa20_set_iv): Define as an alias for salsa20_set_nonce.

	* salsa20-set-key.c (salsa20_set_key): Use salsa20_128_set_key and
	salsa20_256_set_key.
	(salsa20_set_iv): Renamed and moved...
	* salsa20-set-nonce.c (salsa20_set_nonce): ... new file, new name.

	* salsa20-256-set-key.c (salsa20_256_set_key): New file and
	function.
	* salsa20-128-set-key.c (salsa20_128_set_key): New file and
	function.

Niels Möller's avatar
Niels Möller committed
1752
1753
1754
1755
1756
1757
1758
2014-01-13  Niels Möller  <nisse@lysator.liu.se>

	* nettle-types.h (union nettle_block16): New type, replacing union
	gcm_block.
	* gcm.h (union gcm_block): Deleted. Replaced by nettle_block16.
	* gcm.c: Replaced all use of gcm_block by nettle_block16.

1759
1760
2014-01-04  Niels Möller  <nisse@lysator.liu.se>

1761
1762
1763
1764
	* config.guess: Updated to 2014-01-01 version, from
	git://git.sv.gnu.org/config.git.
	* config.sub: Likewise.

1765
1766
1767
1768
1769
	* testsuite/memxor-test.c [HAVE_VALGRIND_MEMCHECK_H] (test_mark):
	New function.
	(test_memxor, test_memxor3): Use test_mark to tell valgrind the
	start and end of src and destination areas.

1770
1771
	* configure.ac: Check for valgrind/memcheck.h.

1772
1773
1774
	* testsuite/Makefile.in (VALGRIND): Added --partial-loads-ok=yes,
	needed for the way unaligned data is handled in, e.g., memxor.

1775
1776
1777
1778
1779
2014-01-03  Niels Möller  <nisse@lysator.liu.se>

	* shadata.c (main): Zero-pad output values to 8 hex digits.
	* sha256.c (K): Updated table.

Niels Möller's avatar
Niels Möller committed
1780
2013-12-17  Niels Möller  <nisse@lysator.liu.se>
1781

1782
1783
1784
1785
1786
	* configure.ac (ASM_RODATA): New substituted variable. Needed for
	portability to darwin.
	* config.m4.in: Define RODATA, using configure variable ASM_RODATA
	* x86_64/gcm-hash8.asm: Use RODATA macro.

1787
1788
1789
1790
	* bignum-random-prime.c (_nettle_generate_pocklington_prime): Use
	stronger variants of Pocklington's theorem, to allow p0 of size
	down to bits/3.

1791
1792
1793
1794
1795
2013-12-15  Niels Möller  <nisse@lysator.liu.se>

	* nettle-internal.h (NETTLE_MAX_BIGNUM_BITS)
	(NETTLE_MAX_BIGNUM_SIZE): Deleted arbitrary limits.

1796
1797
1798
1799
1800
1801
1802
1803
1804
1805
1806
1807
1808
1809
1810
1811
1812
1813
1814
1815
1816
2013-12-15  Nikos Mavrogiannopoulos <nmav@redhat.com>

	Introduced TMP_GMP_ALLOC macro for temporary allocations of
	potentially large data, e.g, sized as an RSA key.
	* gmp-glue.h (TMP_GMP_DECL, TMP_GMP_ALLOC, TMP_GMP_FREE): New
	macros.
	* gmp-glue.c (gmp_alloc, gmp_free): New functions.
	* bignum-next-prime.c (nettle_next_prime): Use TMP_GMP_ALLOC.
	* bignum-random.c (nettle_mpz_random_size): Likewise.
	* pkcs1-decrypt.c (pkcs1_decrypt): Likewise.
	* pkcs1-encrypt.c (pkcs1_encrypt): Likewise.
	* pkcs1-rsa-digest.c (pkcs1_rsa_digest_encode): Likewise.
	* pkcs1-rsa-sha512.c (pkcs1_rsa_sha512_encode)
	(pkcs1_rsa_sha512_encode_digest): Likewise.
	* pkcs1-rsa-sha256.c (pkcs1_rsa_sha256_encode)
	(pkcs1_rsa_sha256_encode_digest): Likewise.
	* pkcs1-rsa-sha1.c (pkcs1_rsa_sha1_encode)
	(pkcs1_rsa_sha1_encode_digest): Likewise.
	* pkcs1-rsa-md5.c (pkcs1_rsa_md5_encode)
	(pkcs1_rsa_md5_encode_digest): Likewise.

1817
1818
1819
1820
1821
2013-12-14  Niels Möller  <nisse@lysator.liu.se>

	* x86_64/gcm-hash8.asm: Use .short rather than .hword, for
	compatibility with apple's assembler.

Niels Möller's avatar
Niels Möller committed
1822
1823
2013-12-03  Niels Möller  <nisse@lysator.liu.se>

1824
	* x86_64/sha1-compress.asm: Reorganized, to get closer to the x86
Niels Möller's avatar
Niels Möller committed
1825
	version. No difference in running time.
1826

1827
1828
1829
	* configure.ac (dummy-dep-files): Don't overwrite any existing
	dependency files.

Niels Möller's avatar
Niels Möller committed
1830
	* x86_64/md5-compress.asm: New file, similar to the x86 version.
Niels Möller's avatar
Niels Möller committed
1831
	35% speedup on AMD, 15% speedup on Intel.
Niels Möller's avatar
Niels Möller committed
1832