ChangeLog 334 KB
Newer Older
1
2
2015-03-19  Niels Möller  <nisse@diamant.hack.org>

3
4
5
6
7
8
9
10
11
	* Makefile.in (OPT_HOGWEED_SOURCES): Deleted make variable.
	(nettle_SOURCES, hogweed_SOURCES): Don't include optional sources
	here.
	(OPT_SOURCES): New variable.
	(SOURCES): Include OPT_SOURCES.
	(DISTFILES): Drop mini-gmp.c here, included via OPT_SOURCES.
	(nettle_OBJS, hogweed_OBJS): Add the object files corresponding to
	the optional source files included in the build.

12
13
14
15
	* ecc-curve.h (nettle_curve25519): Removed public declaration.
	* ecc-internal.h (_nettle_curve25519): New location, new name.
	Updated all users.

Niels Möller's avatar
Niels Möller committed
16
17
	* nettle.texinfo: Updated EdDSA documentation.

18
19
20
21
22
23
	* Makefile.in (DISTFILES): Added version.h.in, libnettle.map.in,
	and libhogweed.map.in (latter two patch by Nikos).
	(version.h): New make target.
	(distclean-here): Added version.h, libnettle.map, and
	libhogweed.map.

24
25
26
27
28
	From Nikos Mavrogiannopoulos.
	* configure.ac (MAJOR_VERSION, MINOR_VERSION): New substituted
	variables.
	* version.h.in: New file, defining version numbers.

29
30
2015-03-18  Niels Möller  <nisse@diamant.hack.org>

31
32
33
34
35
36
	EdDSA interface change, use plain strings to represent keys.
	* eddsa.h (_ED25519_LIMB_SIZE): Deleted constant.
	(struct ed25519_private_key, ed25519_public_key): Deleted.
	* eddsa-expand.c (_eddsa_expand_key): Don't compute the public
	key.
	(_eddsa_expand_key_itch): Deleted function.
37
38
	* eddsa-pubkey.c (_eddsa_public_key, _eddsa_public_key_itch): New
	file, new functions.
39
40
41
42
43
44
45
46
47
48
49
50
51
52
	* ed25519-sha512-pubkey.c (ed25519_sha512_public_key): New file
	and function.
	* ed25519-sha512-verify.c (ed25519_sha512_set_public_key): Deleted
	function.
	(ed25519_sha512_verify): Use a string to represent the public key.
	* ed25519-sha512-sign.c (ed25519_sha512_set_private_key): Deleted
	function.
	(ed25519_sha512_sign): Use strings for the input key pair.
	* Makefile.in (hogweed_SOURCES): Added eddsa-pubkey.c and
	ed25519-sha512-pubkey.c.
	* testsuite/eddsa-sign-test.c (test_eddsa_sign): Adapt to
	_eddsa_expand_key changes, and use _eddsa_public_key.
	* testsuite/ed25519-test.c (test_one): Test
	ed25519_sha512_public_key, and adapt to new ed25519 interface.
53

Niels Möller's avatar
Niels Möller committed
54
55
56
57
58
59
2015-03-14  Niels Möller  <nisse@diamant.hack.org>

	* ccm.c (memeql_sec): New function, more side-channel silent than
	memcmp.
	(ccm_decrypt_message): Use it.

Niels Möller's avatar
Niels Möller committed
60
61
2015-03-12  Niels Möller  <nisse@diamant.hack.org>

62
63
64
65
66
	* base64.h (struct base64_encode_ctx): Micro optimization of
	struct layout, saving a few bytes.
	(struct base64_decode_ctx): Likewise.
	* base16.h (struct base16_decode_ctx): Likewise.

Niels Möller's avatar
Niels Möller committed
67
68
	* nettle.texinfo (ASCII encoding): Document base64url functions.

69
70
2015-03-10  Niels Möller  <nisse@diamant.hack.org>

71
72
73
74
	* nettle.texinfo: Update documentation of curve25519_mul. Say that
	the output is undefined for points belonging to the twist rather
	than the proper curve.

75
	* curve25519-mul.c (curve25519_mul): Changed return type to void.
76
	* curve25519.h (curve25519_mul): Updated prototype.
77
78
79
80
	* examples/hogweed-benchmark.c (bench_curve25519_mul): Drop check
	of curve25519_mul return value.
	* testsuite/curve25519-dh-test.c (test_a): Likewise.

81
82
83
84
2015-02-26  Niels Möller  <nisse@diamant.hack.org>

	* nettle.texinfo: Document curve25519 and eddsa.

85
86
2015-02-10  Niels Möller  <nisse@lysator.liu.se>

87
88
89
90
91
92
93
94
	* base64url-meta.c (nettle_base64url): New file.
	* nettle-meta.h (nettle_base64url): Declare it.
	* nettle-meta-armors.c (nettle_armors): Added nettle_base64url.
	* testsuite/meta-armor-test.c: Updated testcase.
	* testsuite/base64-test.c (test_main): Additional tests, using
	nettle_base64url.
	* Makefile.in (nettle_SOURCES): Added base64url-meta.c.

95
96
97
98
99
100
101
102
103
104
105
106
	Base-64 generalization to support RFC4648 URL safe alphabet,
	contributed by Amos Jeffries.
	* base64url-decode.c (base64url_decode_init): New file and
	function.
	* base64url-encode.c (base64url_encode_init): New file and
	function.
	* Makefile.in (nettle_SOURCES): Added base64url-encode.c and
	base64url-decode.c.
	* base64.h: Declare new functions.
	* testsuite/base64-test.c (test_fuzz): Test base64url encoding and
	decoding.

107
108
109
110
111
112
113
114
115
116
117
118
119
120
	* base64.h (struct base64_encode_ctx): Added pointer to alphabet.
	(struct base64_decode_ctx): Added pointer to decoding table.
	* base64-decode.c (base64_decode_init): Initialize table pointer.
	Moved definition of table to local scope.
	(base64_decode_single): Use the context's decoding table.
	* base64-encode.c (ENCODE): Added alphabet argument. Updated all
	uses.
	(encode_raw): New static function, like base64_encode_raw
	but with an alphabet argument.
	(base64_encode_raw): Call encode_raw.
	(base64_encode_init): Initialize alphabet pointer.
	(base64_encode_single, base64_encode_update, base64_encode_final):
	Use the context's alphabet.

121
122
2015-02-09  Niels Möller  <nisse@lysator.liu.se>

123
124
125
	* base64-encode.c (base64_encode): Deleted old #if:ed out
	function.

126
127
128
	* testsuite/base64-test.c (test_fuzz_once, test_fuzz): Additional
	tests, based on contribution by Amos Jeffries.

129
130
131
132
133
2015-02-05  Niels Möller  <nisse@lysator.liu.se>

	* configure.ac (LIBHOGWEED_MAJOR): Undo latest bump, 4 should be
	enough (previous release, nettle-3.1, used 3).

134
135
2015-01-30  Niels Möller  <nisse@lysator.liu.se>

136
137
138
139
140
141
142
143
144
145
	Update chacha-poly1305 for draft-irtf-cfrg-chacha20-poly1305-08.
	* chacha-poly1305.h (CHACHA_POLY1305_NONCE_SIZE): Increase to 12
	bytes, i.e., CHACHA_NONCE96_SIZE.
	* chacha-poly1305.c (chacha_poly1305_set_nonce): Use
	chacha_set_nonce96.
	(poly1305_pad): New function.
	(chacha_poly1305_encrypt): Use poly1305_pad.
	(chacha_poly1305_digest): Call poly1305_pad, and format length
	fields as a single poly1305 block.

146
147
148
149
	* chacha-set-nonce.c (chacha_set_nonce96): New function.
	* chacha.h (CHACHA_NONCE96_SIZE): New constant.
	* testsuite/chacha-test.c: Add test for chacha with 96-bit nonce.

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
2015-01-27  Niels Möller  <nisse@lysator.liu.se>

	* ecc.h: Deleted declarations of unused itch functions. Moved
	declarations of internal functions to...
	* ecc-internal.h: ...new location. Also added a leading under
	score on the symbols.
	(ecc_a_to_j, ecc_j_to_a, ecc_eh_to_a, ecc_dup_jj, ecc_add_jja)
	(ecc_add_jjj, ecc_dup_eh, ecc_add_eh, ecc_add_ehh, ecc_mul_g)
	(ecc_mul_a, ecc_mul_g_eh, ecc_mul_a_eh): Affected functions.

2015-01-26  Niels Möller  <nisse@lysator.liu.se>

	* ecc-add-eh.c (ecc_add_eh_itch): Deleted.
	* ecc-add-ehh.c (ecc_add_ehh_itch): Deleted.
	* ecc-add-jja.c (ecc_add_jja_itch): Deleted.
	* ecc-add-jjj.c (ecc_add_jjj_itch): Deleted.
	* ecc-dup-eh.c (ecc_dup_eh_itch): Deleted.
	* ecc-dup-jj.c (ecc_dup_jj_itch): Deleted.
	* ecc-eh-to-a.c (ecc_eh_to_a_itch): Deleted.
	* ecc-j-to-a.c (ecc_j_to_a_itch): Deleted.
	* ecc-mul-a-eh.c (ecc_mul_a_eh_itch): Deleted.
	* ecc-mul-a.c (ecc_mul_a_itch): Deleted.
	* ecc-mul-g-eh.c (ecc_mul_g_eh_itch): Deleted.
	* ecc-mul-g.c (ecc_mul_g_itch): Deleted.

175
176
2015-01-25  Niels Möller  <nisse@lysator.liu.se>

177
178
179
180
181
	* arm/fat/sha1-compress-2.asm: New file.
	* arm/fat/sha256-compress-2.asm: Likewise.
	* fat-arm.c (fat_init): Setup for use of additional v6 assembly
	functions.

182
183
184
185
186
187
188
189
190
191
	* sha1-compress.c: Prepare for fat build with C and assembly
	implementations.
	* sha256-compress.c: Likewise.

	* fat-setup.h (sha1_compress_func, sha256_compress_func): New typedefs.

	* configure.ac (asm_nettle_optional_list): Added
	sha1-compress-2.asm and sha256-compress-2.asm, and corresponding
	HAVE_NATIVE_*.

192
193
194
195
196
	From Martin Storsjö:
	* arm: Add .arch directives for armv6. This allows building these
	files as part of a fat build, even if the assembler by default
	targets a lower architecture version.

197
198
199
200
201
202
203
204
205
206
2015-01-23  Niels Möller  <nisse@lysator.liu.se>

	* fat-setup.h (DEFINE_FAT_FUNC): Check value of function pointer,
	before calling fat_init. Should be correct even without memory
	barrier.
	* fat-x86_64.c (fat_init): Deleted static variable initialized.
	The checks of the relevant pointer in DEFINE_FAT_FUNC is more
	robust.
	* fat-arm.c (fat_init): Likewise.

207
208
2015-01-21  Niels Möller  <nisse@lysator.liu.se>

Niels Möller's avatar
Niels Möller committed
209
210
211
212
213
214
215
216
	* fat-arm.c (fat_init): Setup for use of neon assembly functions.

	* arm/fat/salsa20-core-internal-2.asm: New file.
	* arm/fat/sha3-permute-2.asm: New file.
	* arm/fat/sha512-compress-2.asm: New file.
	* arm/fat/umac-nh-2.asm: New file.
	* arm/fat/umac-nh-n-2.asm: New file.

217
218
219
220
221
222
223
224
225
226
227
	* salsa20-core-internal.c: Prepare for fat build with C and
	assembly implementations.
	* sha512-compress.c: Likewise.
	* sha3-permute.c: Likewise.
	* umac-nh.c: Likewise.
	* umac-nh-n.c: Likewise.

	* configure.ac (asm_nettle_optional_list): Added more *-2.asm
	files, and corresponding HAVE_NATIVE_* defines. Recognize PROLOGUE
	macro in asm files, also when not at the start of the line.

228
229
2015-01-20  Niels Möller  <nisse@lysator.liu.se>

230
231
232
	* fat-arm.c (get_arm_features): Check NETTLE_FAT_OVERRIDE
	environment variable.

233
234
235
236
237
238
239
240
	* fat-x86_64.c (get_x86_features): New function. Check
	NETTLE_FAT_OVERRIDE environment variable.
	(fat_init): Use it.

	* fat-setup.h (secure_getenv) [!HAVE_SECURE_GETENV]: Dummy
	definition, returning NULL.
	(ENV_OVERRIDE): New constant.

241
242
	* configure.ac: Check for secure_getenv function.

243
244
2015-01-19  Niels Möller  <nisse@lysator.liu.se>

245
246
247
248
249
250
251
	* configure.ac: Fat library setup for arm.
	* fat-arm.c: New file.
	* arm/fat/aes-encrypt-internal.asm: New files.
	* arm/fat/aes-encrypt-internal-2.asm: New file.
	* arm/fat/aes-decrypt-internal.asm: New file.
	* arm/fat/aes-decrypt-internal-2.asm: New file.

252
253
254
255
256
	* Makefile.in (DISTFILES): Added fat-setup.h.

	* fat-setup.h: New file, declarations moved from...
	* fat-x86_64.c: ... old location

257
258
2015-01-17  Niels Möller  <nisse@lysator.liu.se>

259
260
261
262
	* fat-x86_64.c (DECLARE_FAT_FUNC, DEFINE_FAT_FUNC)
	(DECLARE_FAT_FUNC_VAR): New macros, to define needed resolver and
	wrapper functions.

263
264
265
266
267
	* config.m4.in (SYMBOL_PREFIX): Define from from autoconf
	ASM_SYMBOL_PREFIX.
	(C_NAMS): move definition to...
	* asm.m4 (C_NAME): Define here, also take fat_transform.
	(fat_suffix): Replaced by...
Niels Möller's avatar
Niels Möller committed
268
	(fat_transform): New macro, taking symbol name as argument.
269
270
271
272
	Updated all uses of fat_suffix.
	* fat-x86_64.c: Updated for internal "_nettle" prefix on
	cpu-specific memxor functions.

273
274
275
276
277
278
279
280
	* fat-x86_64.c: Set up for sse2 vs non-sse2 memxor. Patch by Nikos
	Mavrogiannopoulos.
	* configure.ac (asm_nettle_optional_list): Added memxor-2.asm.
	* x86_64/fat/memxor-2.asm: New file.
	* x86_64/fat/memxor.asm: New file.

	* x86_64/memxor.asm: Use ifdef, not ifelse, for testing USE_SSE2.

281
282
283
284
285
286
287
288
289
290
2015-01-16  Niels Möller  <nisse@lysator.liu.se>

	* configure.ac (OPT_NETTLE_SOURCES): New substituted variable.
	(asm_path): Fixed x86_64 fat setup. Include only x86_64 and
	x86_64/fat in the asm_path. Put fat-x86_64.c in
	OPT_NETTLE_SOURCES, with no symlinking.

	* fat-x86_64.c: Renamed,...
	* x86_64/fat/fat.c: ... from old name.

291
292
2015-01-13  Niels Möller  <nisse@lysator.liu.se>

293
294
295
296
297
298
	* x86_64/fat/fat.c: For constructor hack, check
	HAVE_GCC_ATTRIBUTE, not __GNUC__. Also support sun compilers, as
	suggested by Nikos Mavrogiannopoulos, and attch the constructor
	attribute directly to fat_init.
	(fat_constructor): Deleted wrapper function.

299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
	* x86_64/fat/fat.c: New file, initialization for x86_64 fat
	library.

	* x86_64/fat/cpuid.asm (_nettle_cpuid): New file and function.

	* x86_64/fat/aes-encrypt-internal.asm: New file, including
	x86_64/aes-encrypt-internal.asm, after setting fat_suffix to
	_x86_64.
	* x86_64/fat/aes-decrypt-internal.asm: New file, analogous setup.
	* x86_64/fat/aes-encrypt-internal-2.asm: New file, including
	x86_64/aesni/aes-encrypt-internal.asm, after setting fat_suffix to
	_aesni.
	* x86_64/fat/aes-decrypt-internal.asm-2: New file, analogous
	setup.

	* configure.ac: New command line option --enable-fat.
	(asm_nettle_optional_list): Added cpuid.asm, fat.c,
	aes-encrypt-internal-2.asm, and aes-decrypt-internal-2.asm.

	* asm.m4 (fat_suffix): New suffix added to symbol names.

320
321
322
323
	* x86_64/aesni/aes-encrypt-internal.asm: Use explicit .byte
	sequences for aes instructions, don't rely on assembler support.
	* x86_64/aesni/aes-decrypt-internal.asm: Likewise.

324
325
326
327
	* aclocal.m4 (NETTLE_CHECK_IFUNC): New macro, checking for ifunc
	and settting HAVE_LINK_IFUNC if working.
	* configure.ac: Use it.

328
329
2015-01-12  Niels Möller  <nisse@lysator.liu.se>

330
331
332
	* asm.m4 (DECLARE_FUNC): New macro, extracted from PROLOGUE.
	(PROLOGUE): Use it.

333
334
335
336
337
338
339
	* configure.ac (OPT_NETTLE_OBJS, OPT_HOGWEED_OBJS): Renamed
	substituted variables, and list the object files rather than
	source files.
	(OPT_ASM_NETTLE_SOURCES, OPT_ASM_HOGWEED_SOURCES): ...Old names.
	* Makefile.in (OPT_NETTLE_OBJS, OPT_HOGWEED_OBJS): Use new
	variables.

340
341
2015-01-11  Niels Möller  <nisse@lysator.liu.se>

342
343
344
345
	* x86_64/aesni/aes-decrypt-internal.asm: New file.
	* x86_64/aesni/aes-encrypt-internal.asm: New file.
	* configure.ac: New configure flag --enable-x86-aesni.

346
347
348
	* aclocal.m4 (LSH_RPATH_INIT): Handle freebsd, in the same way as
	gnu/linux, with -Wl,-rpath,.

349
350
	Merged memxor-reorg changes, starting at 2014-10-23.

351
352
353
354
355
2015-01-10  Niels Möller  <nisse@lysator.liu.se>

	* arm/memxor.asm (memxor3): Moved to new file.
	* arm/memxor3.asm: New file.

Niels Möller's avatar
Niels Möller committed
356
357
358
359
360
361
362
363
364
365
2014-11-24  Niels Möller  <nisse@lysator.liu.se>

	* x86_64/memxor3.asm (memxor3): New file, code moved from old
	memxor.asm.
	* x86_64/memxor.asm (memxor): Rewritten, no longer jumps into
	memxor3.

	* configure.ac (asm_replace_list): Added memxor.asm and
	memxor3.asm.

366
367
2014-10-23  Niels Möller  <nisse@lysator.liu.se>

368
369
370
371
	* configure.ac (IF_ASM): New substituted variable.
	* testsuite/Makefile.in (VALGRIND): Allow partial loads only when
	build includes assembly files.

372
	* memxor-internal.h (READ_PARTIAL): New macro.
373
	* memxor.c (memxor_different_alignment): Avoid out-of-bounds
374
375
	reads, corresponding to valgrind's --partial-loads-ok. Use
	READ_PARTIAL.
376
	* memxor3.c: Analogous changes for unaligned operations.
377

378
379
380
381
382
383
	* configure.ac (asm_replace_list): Deleted memxor.asm, now
	incompatible with the memxor/memxor3 split.

	* memxor3.c: New file, split off from memxor.c.
	* memxor-internal.h: New file, declarations shared by memxor.c and
	memxor3.c.
Niels Möller's avatar
Niels Möller committed
384
	* memxor.c: memxor3 functions moved out from this file.
385
386
387
	* Makefile.in (nettle_SOURCES): Added memxor3.c.
	(DISTFILES): Added memxor-internal.h.

Niels Möller's avatar
Niels Möller committed
388
389
	* memxor.c (memxor_common_alignment, memxor_different_alignment)
	(memxor): Change loop order, iterate from the end.
390
	(memxor3_common_alignment): Unroll twice.
391
392
	(word_t): On x86_64, unconditionally define as uint64_t, to get 64
	bits also in M$ windows. Replaced all uses of SIZEOF_LONG.
Niels Möller's avatar
Niels Möller committed
393

394
395
396
397
398
399
400
401
402
403
2014-12-12  Niels Möller  <nisse@lysator.liu.se>

	* cbc.h (CBC_ENCRYPT, CBC_DECRYPT): Make type-checking hack
	stricter, warn if type of length argument is smaller than size_t.
	* ctr.h (CTR_CRYPT): Likewise.
	* eax.h (EAX_SET_KEY, EAX_SET_NONCE, EAX_UPDATE, EAX_ENCRYPT)
	(EAX_DECRYPT, EAX_DIGEST): Likewise.
	* gcm.h (GCM_SET_KEY, GCM_ENCRYPT, GCM_DECRYPT, GCM_DIGEST):
	Likewise.

404
405
2014-12-08  Niels Möller  <nisse@lysator.liu.se>

406
407
408
	* aclocal.m4 (LD_VERSION_SCRIPT): Linker scripts no longer located
	in the source tree.

Niels Möller's avatar
Niels Möller committed
409
410
411
	* configure.ac (LIBNETTLE_MAJOR): Bump major number, now 6.
	(LIBHOGWEED_MAJOR): Bump major number, now 5.

412
413
414
415
416
417
418
419
420
421
422
	From Nikos Mavrogiannopoulos. Support for versioned symbols.
	* aclocal.m4 (LD_VERSION_SCRIPT): New macro. Substitute
	EXTRA_LINKER_FLAGS and EXTRA_HOGWEED_LINKER_FLAGS.
	* configure.ac: Use LD_VERSION_SCRIPT. Generate libnettle.map
	and libhogweed.map.
	(HOGWEED_EXTRA_SYMBOLS): New substituted variable.
	* libnettle.map.in: New file, libnettle.so linker script
	* libhogweed.map.in: New file, libhogweed.so linker script.
	* Makefile.in ($(LIBNETTLE_FORLINK)): Use EXTRA_LINKER_FLAGS.
	($(LIBHOGWEED_FORLINK)): Use EXTRA_HOGWEED_LINKER_FLAGS.

Niels Möller's avatar
Niels Möller committed
423
424
2014-11-24  Niels Möller  <nisse@lysator.liu.se>

425
426
427
	* gcm.h (GCM_SET_KEY): Rename macro argument KEY to avoid
	collision with a struct tag. Spotted by Nikos Mavrogiannopoulos.

Niels Möller's avatar
Niels Möller committed
428
429
430
	* testsuite/eddsa-verify-test.c (test_eddsa): Fixed test case bug,
	showing up as use of uninitialized data with valgrind.

431
432
433
434
435
2014-10-23  Niels Möller  <nisse@lysator.liu.se>

	* examples/nettle-benchmark.c (time_memxor): Allocate buffers as
	arrays of unsigned long, for more reliable alignment.

436
437
2014-10-22  Niels Möller  <nisse@lysator.liu.se>

438
439
440
441
	* configure.ac: Check for getline function.
	* testsuite/ed25519-test.c (getline) [!HAVE_GETLINE]: Fallback
	definition.

442
443
444
445
	* Makefile.in (clean-here): Unconditionally delete .so and .dll
	files.
	(IMPLICIT_TARGETS): Deleted variable.

446
447
2014-10-21  Niels Möller  <nisse@lysator.liu.se>

Niels Möller's avatar
Niels Möller committed
448
449
450
	* testsuite/ed25519-test.c: New test case. Optionally reads the
	file pointed to by $ED25519_SIGN_INPUT.

451
452
453
454
	* testsuite/testutils.c (tstring_hex): Rewrite, using Nettle's
	base16 functions.
	(decode_hex, decode_hex_length): Deleted functions.

455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
2014-10-20  Niels Möller  <nisse@lysator.liu.se>

	* eddsa.h (ED25519_KEY_SIZE): New constant.
	(ED25519_SIGNATURE_SIZE): New constant.
	(struct ed25519_private_key): New struct.
	(struct ed25519_public_key): New struct.

	* ed25519-sha512-sign.c (ed25519_sha512_set_private_key)
	(ed25519_sha512_sign): New file and functions.
	* ed25519-sha512-verify.c (ed25519_sha512_set_public_key)
	(ed25519_sha512_verify): New file and functions.
	* Makefile.in (hogweed_SOURCES): Added ed25519-sha512-sign.c and
	ed25519-sha512-verify.c.


470
471
472
473
474
475
476
477
2014-10-18  Niels Möller  <nisse@lysator.liu.se>

	* eddsa-verify.c (_eddsa_verify): Change argument order, putting A
	before ctx.
	* eddsa.h: Updated prototype.
	* testsuite/eddsa-verify-test.c (test_eddsa): Updated
	_eddsa_verify calls.

478
479
2014-10-14  Niels Möller  <nisse@lysator.liu.se>

480
481
482
483
	* eddsa-verify.c (equal_h): New function.
	(_eddsa_verify): Use it for a proper point compare, replacing an
	ecc_add_ehh.

Niels Möller's avatar
Niels Möller committed
484
485
486
487
	* testsuite/eddsa-verify-test.c: New testcase.
	* testsuite/Makefile.in (TS_HOGWEED_SOURCES): Added
	eddsa-verify-test.c.

488
489
490
491
492
	* eddsa-verify.c (_eddsa_verify, eddsa_verify_itch): New file, new
	functions.
	* eddsa.h: Declare new functions.
	* Makefile.in (hogweed_SOURCES): Added eddsa-verify.c.

Niels Möller's avatar
Niels Möller committed
493
494
2014-10-08  Niels Möller  <nisse@lysator.liu.se>

495
496
497
	* testsuite/eddsa-sign-test.c (test_eddsa_sign): Use
	_eddsa_expand_key, and check its public key output.

498
499
500
501
	* eddsa-expand.c (_eddsa_expand_key): New file, new function.
	* eddsa.h (_eddsa_expand_key): Declare it.
	* Makefile.in (hogweed_SOURCES): Added eddsa-expand.c.

Niels Möller's avatar
Niels Möller committed
502
503
	* eddsa-sign.c: Drop unneeded include of nettle-internal.h.

504
505
2014-10-04  Niels Möller  <nisse@lysator.liu.se>

Niels Möller's avatar
Niels Möller committed
506
507
508
509
	* testsuite/eddsa-sign-test.c: New testcase.
	* testsuite/Makefile.in (TS_HOGWEED_SOURCES): Added
	eddsa-sign-test.c.

510
511
512
513
514
515
516
	* eddsa-sign.c (_eddsa_sign, _eddsa_sign_itch): New file, new
	functions.
	* eddsa-hash.c (_eddsa_hash): New file and function.
	* eddsa.h: Declare new functions.
	* Makefile.in (hogweed_SOURCES): Added eddsa-hash.c and
	eddsa-sign.c.

517
518
2014-10-03  Niels Möller  <nisse@lysator.liu.se>

519
	* testsuite/ecc-redc-test.c [NETTLE_USE_MINI_GMP]: Enable test.
520
	(test_main): Replace gmp_fprintf calls.
521
	* testsuite/ecc-mul-a-test.c: Likewise.
522
	* testsuite/ecc-mul-g-test.c: Likewise.
523

524
525
	* testsuite/ecc-modinv-test.c [NETTLE_USE_MINI_GMP]: Enable test.
	(ref_modinv): Use mpz_gcdext, instead of mpn_gcdext.
526
	(test_modulo): Replace gmp_fprintf calls.
527

528
529
	* testsuite/ecc-mod-test.c [NETTLE_USE_MINI_GMP]: Enable test.
	(ref_mod): Use mpz_mod and mpz_limbs_copy, instead of mpn_tdiv_qr.
530
531
	(test_modulo): Replace gmp_fprintf calls by plain fprintf and
	mpn_out_str.
532

533
534
535
	* testsuite/testutils.c (mpn_out_str): New function, needed to
	replace uses of gmp_fprintf.

536
537
538
539
540
541
542
543
544
	* 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.

545
546
2014-10-02  Niels Möller  <nisse@lysator.liu.se>

547
548
549
550
	* testsuite/eddsa-compress-test.c: New testcase.
	* testsuite/Makefile.in (TS_HOGWEED_SOURCES): Added
	eddsa-compress-test.c.

551
552
553
554
555
556
	* 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
557
558
559
560
	* testsuite/ecc-sqrt-test.c: New test case.
	* testsuite/Makefile.in (TS_HOGWEED_SOURCES): Added
	ecc-sqrt-test.c.

561
562
563
564
565
566
567
568
569
	* 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
570
571
572
573
2014-09-24  Niels Möller  <nisse@lysator.liu.se>

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

574
575
2014-09-23  Niels Möller  <nisse@lysator.liu.se>

576
577
578
579
580
581
582
	* 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.

583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
	* 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.

603
604
	* testsuite/testutils.c (test_ecc_mul_h): Use ecc->h_to_a_itch.

605
606
607
608
609
610
611
612
613
614
615
616
	* 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
617
618
2014-09-22  Niels Möller  <nisse@lysator.liu.se>

619
620
621
622
	* ecc-random.c (ecc_mod_random): Renamed, and take a const struct
	ecc_modulo * as argument. Updated callers.
	(ecc_modq_random): ... old name.

623
624
625
626
627
628
629
630
631
632
	* 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.

633
634
635
	* testsuite/ecc-redc-test.c (test_main): Relaxed tests for which
	tests to run.

Niels Möller's avatar
Niels Möller committed
636
637
638
	* 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
639
640
641
642
643
	* 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.

644
645
646
647
648
649
650
651
652
653
654
	* 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.

655
656
657
	* examples/ecc-benchmark.c (bench_modinv_powm, bench_curve):
	Updated benchmarking of mpn_sec_powm.

Niels Möller's avatar
Niels Möller committed
658
659
660
	* ecc-internal.h (struct ecc_curve): Deleted redc function
	pointer. Use only reduce pointer, which is redc or modp as
	applicable. Updated all users.
661
662
	(struct ecc_modulo): Moved mod and reduce function pointers to
	this struct.
Niels Möller's avatar
Niels Möller committed
663

664
665
666
667
668
669
670
671
672
673
674
675
676
677
	* 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
678
679
680
681
682
	* 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.

683
684
2014-09-17  Niels Möller  <nisse@lysator.liu.se>

685
686
687
688
	* 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.

689
690
691
692
693
694
695
696
697
	* 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.

698
699
700
701
	* testsuite/ecc-modinv-test.c (mpn_zero_p): Moved function, to...
	* testsuite/testutils.c (mpn_zero_p): New location. Also make
	non-static.

702
703
704
705
706
707
708
	* 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
709
710
711
712
713
714
	* 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.

715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
	* 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.

732
733
734
	* ecdsa-keygen.c (ecdsa_generate_keypair): Use struct ecc_curve
	function pointers.

735
	* testsuite/curve25519-dup-test.c: Deleted file. In the way for
Niels Möller's avatar
Niels Möller committed
736
	conversion to Edwards coordinate convention, and in the end
737
738
739
740
741
	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.

742
743
744
745
746
747
748
749
750
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.

751
752
753
754
755
756
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
757
758
2014-09-09  Niels Möller  <nisse@lysator.liu.se>

759
760
761
762
763
764
	* 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
765
766
767
768
769
770
	* 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.

771
772
773
774
775
776
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.

777
778
2014-09-03  Niels Möller  <nisse@lysator.liu.se>

779
780
781
782
783
784
785
	* 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.

786
787
788
789
	* 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.

790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
	* 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.

805
806
807
808
809
810
811
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.
812

813
	* curve25519-mul.c (curve25519_mul): Use it.
814
815
	* curve25519-mul-g.c (curve25519_mul_g): Likewise. Also introduce
	local variable ecc, and use ecc->mul_g_itch.
816

817
818
2014-08-29  Niels Möller  <nisse@lysator.liu.se>

819
820
821
822
823
	* 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 ...
824
825
826
827
828
	(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.

829
830
831
832
833
834
835
836
837
	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.

838
839
2014-08-28  Niels Möller  <nisse@lysator.liu.se>

840
841
842
	* ecdsa-verify.c (ecdsa_verify): Drop include of ecc-internal.h,
	use ecc_size function instead.

843
844
845
	* ecc-ecdsa-verify.c (ecc_ecdsa_verify): Use the struct ecc_curve
	function pointers: mul, mul_g, add_hhh, h_to_a.

846
847
	* ecc-internal.h (ECC_ECDSA_VERIFY_ITCH): Deleted macro. Needed
	scratch depends on curve type, not just size.
848
849
850
851
	(ecc_add_func): New typedef.
	(struct ecc_curve): New function pointer add_hhh, and constant
	add_hhh_itch. Updated all instances.

852
853
854
855
856
	* 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.

857
858
	* testsuite/ecdsa-sign-test.c (test_main): Added test for the
	obscure case of ecdsa using curve25519.
859
860
	* testsuite/ecdsa-verify-test.c (test_main): Likewise (depends on
	above changes).
861
862
863
864

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

865
866
	* ecc-25519.c (ecc_25519_modq): Access q via the ecc struct.

867
868
869
	* 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.

870
	* ecc-j-to-a.c (ecc_j_to_a): For curves using redc, always convert
Niels Möller's avatar
Niels Möller committed
871
	back from redc form. When producing x coordinate only, optionally
872
873
874
875
876
877
878
879
	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
880
881
882
	* testsuite/symbols-test: Regexp fixes, to better filter out
	get_pc_thunk functions.

883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
	* 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.

898
899
900
901
	* eccdata.c (output_curve): Don't output ecc_redc_g.
	* ecc-internal.h (struct ecc_curve): Deleted unused field redc_g.
	Updated all instances.

902
903
2014-08-27  Niels Möller  <nisse@lysator.liu.se>

904
905
	* ecc-modq.c (ecc_modq_inv): Use q_bit_size.

906
907
908
	* ecc-internal.h (struct ecc_curve): New field q_bit_size. Updated
	all instances.

Niels Möller's avatar
Niels Möller committed
909
910
911
	* configure.ac: Bumped package version number to 3.1.
	(LIBHOGWEED_MAJOR): Bumped library version to 4.0.

Niels Möller's avatar
Niels Möller committed
912
	Merged curve25519 changes (starting at 2014-07-04).
913
914
	* Makefile.in (clean-here): Added ecc-25519.h.

Niels Möller's avatar
Niels Möller committed
915
916
2014-08-26  Niels Möller  <nisse@lysator.liu.se>

917
918
919
920
921
922
	* 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.

923
924
925
	* testsuite/ecc-mod-test.c (test_curve): Make modq test
	unconditional, partially reverting 2014-07-04 change.

Niels Möller's avatar
Niels Möller committed
926
927
928
929
	* ecc-25519.c (ecc_25519_modq): New function.

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

Niels Möller's avatar
Niels Möller committed
930
931
932
	* mini-gmp.c (mpz_abs_sub_bit): Do full normalization, needed in
	case the most significant bit is cleared.

933
934
2014-08-25  Niels Möller  <nisse@lysator.liu.se>

935
936
937
938
939
940
941
942
943
	* 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.

944
945
946
947
948
	* 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.

949
950
951
	* 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
952
953
2014-08-24  Niels Möller  <nisse@lysator.liu.se>

954
	* testsuite/ecdh-test.c: Test ecc_point_mul and ecc_point_mul_g,
955
956
957
958
	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.

959
960
	* testsuite/Makefile.in (TS_HOGWEED_SOURCES): Added ecdh-test.c.

Niels Möller's avatar
Niels Möller committed
961
962
	* misc/ecc-ref.gp: Script to generate ECDH test data.

963
964
2014-08-23  Niels Möller  <nisse@lysator.liu.se>

965
966
967
968
	* 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.

969
970
971
972
973
974
975
	* 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.

976
977
978
	* ecc-internal.h (struct ecc_curve): Reordered struct, moved
	function pointers before pointers to bignum constants.

979
980
981
982
983
984
	* 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.

985
986
2014-08-22  Niels Möller  <nisse@lysator.liu.se>

987
988
989
990
	* 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.
991

992
993
994
995
996
997
	* 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.

998
999
1000
1001
1002
1003
1004
1005
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.

1006
1007
2014-08-18  Niels Möller  <nisse@lysator.liu.se>

1008
1009
1010
1011
1012
	* 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
1013
1014
1015
1016
	* curve25519-mul.c (curve25519_mul): New file and function.
	* curve25519.h (curve25519_mul): Declare it.
	* Makefile.in (hogweed_SOURCES): Added curve25519-mul.c.

1017
1018
1019
1020
1021
	* 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.

1022
1023
1024
1025
1026
	* 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.

1027
1028
2014-08-06  Niels Möller  <nisse@lysator.liu.se>

1029
1030
1031
	* 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
1032
1033
1034
1035
1036
1037
	* 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.

1038
1039
1040
	* gmp-glue.c (mpn_set_base256_le, mpn_get_base256_le): New functions.
	* gmp-glue.h: Declare them.

1041
1042
2014-08-02  Niels Möller  <nisse@lysator.liu.se>

1043
1044
1045
	* testsuite/curve25519-dh-test.c (curve25519_sqrt): Fixed memory
	leak, a mpz_clear call was missing.

1046
1047
1048
1049
1050
1051
	* 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).

1052
1053
1054
1055
1056
1057
1058
1059
1060
1061
1062
1063
1064
1065
1066
1067
1068
1069
1070
1071
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.

1072
1073
1074
1075
1076
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
1077
1078
1079
1080
1081
1082
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.

1083
1084
1085
1086
1087
1088
1089
1090
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
1091
1092
2014-07-17  Niels Möller  <nisse@lysator.liu.se>

1093
1094
1095
	* 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
1096
1097
1098
	* testsuite/curve25519-dup-test.c (test_main): Free allocated
	storage.

1099
1100
2014-07-15  Niels Möller  <nisse@lysator.liu.se>

Niels Möller's avatar
Niels Möller committed
1101
1102
1103
1104
1105
1106
1107
	* 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.
1108

Niels Möller's avatar
Niels Möller committed
1109
1110
2014-07-14  Niels Möller  <nisse@lysator.liu.se>

1111
1112
1113
1114
	* testsuite/curve25519-add-test.c: New test case.
	* testsuite/Makefile.in (TS_HOGWEED_SOURCES): Added
	curve25519-add-test.c.

1115
1116
1117
1118
1119
1120
1121
1122
	* 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.

1123
1124
1125
	* eccdata.c: For curve25519, output the Edwards curve constant,
	ecc_d = (121665/121666) mod p.

Niels Möller's avatar
Niels Möller committed
1126
1127
1128
	* testsuite/curve25519-dup-test.c (test_main): Add test for 4g.
	Delete some left-over debug output.

1129
1130
2014-07-11  Niels Möller  <nisse@lysator.liu.se>

Niels Möller's avatar
Niels Möller committed
1131
1132
	* misc/ecc-formulas.tex: Some ECC notes.

1133
1134
1135
1136
	* testsuite/curve25519-dup-test.c: New testcase.
	* testsuite/Makefile.in (TS_HOGWEED_SOURCES): Added
	curve25519-dup-test.c.

1137
1138
1139
1140
1141
	* 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.

1142
1143
1144
1145
1146
1147
1148
1149
	* 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.

1150
1151
1152
1153
1154
1155
1156
1157
1158
	* 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.

1159
1160
1161
1162
	* eccdata.c (ecc_curve_init): For curve 25519, use correct
	constant for edwards coordinate transform, and output the constant
	as ecc_edwards.

1163
1164
1165
1166
2014-07-06  Niels Möller  <nisse@lysator.liu.se>

	* eccdata.c: Use separate is_zero flag to represent the neutral
	element.
1167
1168
1169
1170
1171
	(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.
1172

1173
1174
2014-07-04  Niels Möller  <nisse@lysator.liu.se>

Niels Möller's avatar
Niels Möller committed
1175
	Started curve25519 branch.
1176
1177
1178
1179
1180
1181
1182
1183
1184
1185
1186
1187
1188
1189
1190
	* 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.

1191
1192
2014-08-23  Niels Möller  <nisse@lysator.liu.se>

1193
1194
1195
	* ecc-modp.c (ecc_modp_sub_1): Deleted unused function.
	* ecc-internal.h: Deleted corresponding declaration.

1196
1197
1198
	* 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
1199
1200
1201
1202
2014-07-02  Niels Möller  <nisse@lysator.liu.se>

	* eccdata.c (ecc_dup): Use mpz_submul_ui, now available in
	mini-gmp.
1203
1204
1205
1206
1207
1208
1209
1210
	(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
1211

1212
1213
1214
1215
1216
1217
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.

1218
1219
1220
1221
1222
1223
1224
1225
1226
1227
1228
1229
1230
1231
1232
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.

1233
1234
2014-06-25  Niels Möller  <nisse@lysator.liu.se>

1235
1236
	Support for building with mini-gmp instead of the real GMP. Loosely
	based on work by Nikos Mavrogiannopoulos.
1237
1238
1239
1240
1241
1242
1243
1244
1245
1246
1247
1248
1249
1250
1251
1252
1253
1254
1255
1256
1257
1258
1259
1260
1261
1262
1263
1264
1265
1266
1267
1268
1269
1270
1271
1272
1273
	* 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.
1274
1275
1276
1277
1278
	* testsuite/bignum-test.c: Use WITH_HOGWEED instead of HAVE_LIBGMP
	for preprocessor conditionals.
	* testsuite/testutils.h: Likewise.
	* testsuite/sexp-format-test.c: Likewise.

1279
1280
1281
1282
1283
	* 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.

1284
1285
1286
1287
1288
1289
1290
	* 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
1291
1292
	* testsuite/testutils.c (die): Use plain vfprintf, not
	gmp_vfprintf.
1293
1294
1295
	(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
1296

1297
1298
	* der-iterator.c: Deleted HAVE_LIBGMP conditionals.

Niels Möller's avatar
Niels Möller committed
1299
1300
1301
1302
2014-06-07  Niels Möller  <nisse@lysator.liu.se>

	* Released nettle-3.0

1303
1304
2014-06-04  Niels Möller  <nisse@lysator.liu.se>

1305
1306
1307
	* NEWS: List des-compat.h as a candidate for removal in the next
	release.

1308
1309
1310
	* testsuite/des-compat-test.c (test_main): Fixed out of bounds
	memory read, reported by Nikos Mavrogiannopoulos.

1311
1312
1313
	* nettle-write.h: Include <stddef.h>, fixing compilation on
	freebsd.

1314
1315
1316
	* aclocal.m4 (ac_stdint): Fixed "unsinged" typo, spotted by Andy
	Goth.

Niels Möller's avatar
Niels Möller committed
1317
1318
1319
1320
1321
1322
1323
1324
1325
1326
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).

1327
1328
2014-05-31  Niels Möller  <nisse@lysator.liu.se>

1329
1330
1331
1332
1333
1334
	* 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.

1335
1336
	* asm.m4: Deleted unused offsets for struct aes_ctx.

1337
1338
2014-05-28  Niels Möller  <nisse@lysator.liu.se>

1339
1340
1341
	* testsuite/nettle-pbkdf2-test: Delete carriage return characters
	from output.

1342
1343
1344
1345
1346
	* 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.

1347
1348
1349
1350
1351
1352
1353
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.

1354
1355
1356
1357
1358
2014-05-22  Niels Möller  <nisse@lysator.liu.se>

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

1359
1360
2014-05-15  Niels Möller  <nisse@lysator.liu.se>

1361
1362
	* NEWS: Updated with library version numbers.

1363
1364
	* configure.ac (dummy-dep-files): Use simpler and more portable
	sed expression. Problem reported by Peter Eriksson.
1365
1366
1367
	(LIBHOGWEED_MAJOR): Bumped shared library version to 3.0.
	(LIBHOGWEED_MINOR): Reset to zero. Also increased the package
	version number to 3.0.
1368

1369
1370
	* getopt.c: Don't use gettext.

1371
1372
1373
1374
1375
2014-05-14  Niels Möller  <nisse@lysator.liu.se>

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

1376
1377
1378
1379
1380
1381
	* 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.

1382
1383
2014-05-09  Niels Möller  <nisse@lysator.liu.se>

1384
1385
1386
	* mini-gmp.c: Updated, use version from gmp-6.0.0.
	* mini-gmp.h: Likewise.

1387
1388
1389
	* testsuite/Makefile.in (all): Drop dependency on $(TARGETS), to
	delay building of test programs until make check.

1390
1391
2014-05-08  Niels Möller  <nisse@lysator.liu.se>

Niels Möller's avatar
Niels Möller committed
1392
1393
	* nettle.texinfo (nettle_aead abstraction): Document nettle_aead.

1394
1395
1396
1397
1398
1399
1400
	* 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.

1401
1402
1403
	* aclocal.m4 (GMP_PROG_CC_FOR_BUILD): If CC_FOR_BUILD is gcc, add
	-O option. This makes eccdata twice as fast.

1404
1405
1406
1407
1408
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
1409
1410
1411
2014-05-05  Niels Möller  <nisse@lysator.liu.se>

	* nettle.texinfo (POLY1305): Document poly1305-aes.
1412
1413
1414
	(Authenticated encryption): Move AEAD algorithms to their own
	section.
	(RSA, DSA, ECDSA): Change some subsections to subsubsections.
Niels Möller's avatar
Niels Möller committed
1415
	(ChaCha-Poly1305): Document ChaCha-Poly1305.
Niels Möller's avatar
Niels Möller committed
1416

Niels Möller's avatar
Niels Möller committed
1417
1418
1419
2014-05-04  Niels Möller  <nisse@lysator.liu.se>

	* nettle.texinfo (DSA): Document new DSA interface.
1420
	(Salsa20): Update salsa20 docs.
Niels Möller's avatar
Niels Möller committed
1421
	(ChaCha): Document ChaCha.
Niels Möller's avatar
Niels Möller committed
1422

Niels Möller's avatar
Niels Möller committed
1423
1424
2014-05-03  Niels Möller  <nisse@lysator.liu.se>

1425
1426
1427
1428
	* 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
1429
1430
1431
	* nettle.texinfo (CCM): Document new ccm macros and constants.
	Describe ccm restrictions.

Niels Möller's avatar
Niels Möller committed
1432
1433
	* ccm.h (CCM_DIGEST_SIZE): New constant.

1434
1435
1436
1437
1438
1439
1440
1441
1442
1443
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
1444
1445
1446
2014-04-27  Niels Möller  <nisse@lysator.liu.se>

	* nettle.texinfo (Cipher modes): Subsection on AEAD constructions.
Niels Möller's avatar
Niels Möller committed
1447
1448
	(GCM): Update GCM documentation, including functions for
	gcm_aes128, gcm_camellia128, ...
Niels Möller's avatar
Niels Möller committed
1449

1450
1451
2014-04-26  Niels Möller  <nisse@lysator.liu.se>

1452
1453
	* nettle.texinfo: Update for introduction of nettle_cipher_func.
	(GCM): Document GCM_DIGEST_SIZE.
1454
	(UMAC): Document new UMAC constants.
1455
	(Keyed hash functions): Make HMAC and UMAC their own info nodes.
Niels Möller's avatar
Niels Möller committed
1456
	(EAX): Document EAX.
1457

1458
1459
1460
	* umac.h (UMAC_MIN_NONCE_SIZE, UMAC_MAX_NONCE_SIZE): New
	constants.

1461
1462
2014-04-25  Niels Möller  <nisse@lysator.liu.se>

1463
1464
	* All hash-related files: Renamed all _DATA_SIZE constants to
	_BLOCK_SIZE, for consistency. Old names kept for backwards
1465
	compatibility.
1466

Owen Kirby's avatar
Owen Kirby committed
1467
1468
1469
	* nettle.texinfo (CCM): Documentation for CCM mode, contributed by
	Owen Kirby.

1470
1471
1472
1473
1474
1475
1476
1477
1478
	* 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.

1479
1480
2014-04-22  Niels Möller  <nisse@lysator.liu.se>

1481
1482
1483
	* nettle.texinfo (Recommended hash functions): Document additional
	sha512 variants.

1484
1485
1486
	* sha2.h (sha512_224_ctx, sha512_256_ctx): New aliases for the
	sha512_ctx struct tag.

1487
1488
1489
1490
1491
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
1492
1493
2014-04-16  Niels Möller  <nisse@lysator.liu.se>

1494
1495
1496
	* testsuite/ccm-test.c (test_cipher_ccm): Deleted check for NULL
	authdata.

Niels Möller's avatar
Niels Möller committed
1497
1498
1499
1500
1501
1502
	* 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
1503
1504
1505
1506
	* 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
1507
1508
	* tools/input.c (sexp_get_quoted_char): Deleted useless for loop.

1509
1510
2014-04-13  Niels Möller  <nisse@lysator.liu.se>

1511
1512
1513
1514
1515
	* rsa-compat.c: Deleted file.
	* rsa-compat.h: Deleted file.
	* Makefile.in (hogweed_SOURCES): Deleted rsa-compat.c.
	(HEADERS): Deleted rsa-compat.h.

1516
1517
1518
1519
1520
1521
1522
1523
1524
1525
	* 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
1526
1527
1528
1529
1530
1531
1532
1533
1534
1535
1536
1537
1538
1539
1540
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
1541
1542
2014-04-11  Niels Möller  <nisse@lysator.liu.se>

1543
1544
	* testsuite/testutils.c (test_aead): Use aead->digest_size.

1545
1546
	* configure.ac: Skip GMP tests if public key support is disabled.

1547
1548
	* eax.c (block16_xor): Fixed bug effecting 32-bit platforms.

Niels Möller's avatar
Niels Möller committed
1549
1550
1551
1552
	* Makefile.in (DISTFILES): Deleted memxor.c, already included via
	nettle_SOURCES.
	* tools/Makefile.in (SOURCES): Add nettle-pbkdf2.c.

1553
1554
1555
1556
1557
1558
1559
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.

1560
1561
2014-04-09  Niels Möller  <nisse@lysator.liu.se>

1562
1563
1564
	* examples/nettle-benchmark.c (main): Benchmark sha512_224 and
	sha512_256.

1565
1566
1567
1568
	* testsuite/sha512-224-test.c: New file.
	* testsuite/sha512-256-test.c: New file.
	* testsuite/Makefile.in (TS_NETTLE_SOURCES): Added new files.

1569
1570
1571
1572
	* 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.

1573
1574
1575
	* sha2.h (SHA512_224_DIGEST_SIZE, SHA512_224_DATA_SIZE)
	(SHA512_256_DIGEST_SIZE, SHA512_256_DATA_SIZE): New constants.

1576
1577
	* sha512.c (sha512_256_digest): Typo fix, call sha512_256_init.

1578
1579
1580
	* testsuite/testutils.c (test_hash): Removed redundant init call.
	Tests that digest implies init.

1581
1582
2014-03-28  Niels Möller  <nisse@lysator.liu.se>

1583
1584
	* testsuite/dsa-keygen-test.c (test_main): Explicitly use
	dsa_compat_generate_keypair.
1585
1586
1587
	(test_main): Test dsa_generate_params and dsa_generate_keypair
	with a large q; p_bits = 1024, q_bits = 768.

1588
1589
	* testsuite/testutils.h: Undo dsa-compat.h name mangling.