ChangeLog 349 KB
Newer Older
Niels Möller's avatar
Niels Möller committed
1
2
3
4
5
6
2016-09-06  Niels Möller  <nisse@lysator.liu.se>

	* configure.ac: Bump package version to 3.3.
	(LIBNETTLE_MINOR): Bump library version to 6.3.
	(LIBHOGWEED_MINOR): Bump library version to 4.3.

7
8
9
10
11
12
2016-09-05  Niels Möller  <nisse@lysator.liu.se>

	* curve25519.h (NETTLE_CURVE25519_RFC7748): New preprocessor
	constant.
	* nettle.texinfo: Document it.

13
14
2016-09-03  Niels Möller  <nisse@lysator.liu.se>

15
16
	* config.make.in (.SUFFIXES): Delete no longer used .p$(OBJEXT).

17
18
19
	* sexp.h (TOKEN_CHAR): Delete macro and declaration of
	sexp_token_chars. They belong in tools/misc.h, not here.

Niels Möller's avatar
Niels Möller committed
20
21
	* examples/ecc-benchmark.c (die): Deleted unused function.

22
23
24
25
26
	* testsuite/testutils.h (US): New macro, for unsigned string
	literals.
	(LDATA): Use the US macro, to eliminate pointer signedness
	warnings.

27
28
29
30
31
	* testsuite/eddsa-verify-test.c (test_eddsa): Use LDATA.
	* testsuite/pbkdf2-test.c (test_main): Likewise.
	* testsuite/pkcs1-test.c (test_main): Likewise.

	* testsuite/md5-compat-test.c (test_main): Use US macro.
32

33
34
35
	* testsuite/sexp-test.c (test_main): Use const char * for assoc
	keys. Overlooked in 2016-08-16 change.

36
	* testsuite/yarrow-test.c (test_main): Fix pointer
37
	signednesss warnings.
38
39
	* testsuite/sexp-format-test.c (test_main): Likewise.
	* testsuite/rsa-encrypt-test.c (test_main): Likewise.
40
	* tools/nettle-lfib-stream.c (main): Likewise.
41
	* tools/output.c (sexp_put_string): Likewise.
42

43
44
45
46
47
48
	* testsuite/testutils.c (test_armor): Change ascii argument to
	const char *.
	* testsuite/base16-test.c (test_main): Use LDATA for the non-ascii
	argument to test_armor.
	* testsuite/base64-test.c (test_main): Likewise.

49
50
	* tools/nettle-pbkdf2.c (main): Fix some pointer signedness warning.
	* tools/nettle-hash.c (hash_file): Likewise.
51

52
53
54
55
56
57
58
59
	* examples/rsa-decrypt.c (process_file): Use memeql_sec to check
	the digest.

	* memeql-sec.c (memeql_sec): New public function, moved from...
	* ccm.c (memeql_sec): ... previous location.

	* memops.h: New header file, generalizing memxor.h.

Niels Möller's avatar
Niels Möller committed
60
61
62
63
	* testsuite/memeql-test.c (test_main): New test case.
	(memeql_sec_for_test): Wrapper to get valgrind to check for
	side-channel silence.

64
65
66
67
68
2016-08-29  Niels Möller  <nisse@lysator.liu.se>

	* sexp-format.c (strlen_u8): New helper function.
	(sexp_vformat): Use uint8_t * for strings instead of char *.

69
70
2016-08-16  Niels Möller  <nisse@lysator.liu.se>

71
72
	* examples/io.c (hash_file): Use uint8_t for buffer.

73
74
75
76
	* sexp.c (sexp_iterator_check_type, sexp_iterator_check_types)
	(sexp_iterator_assoc): Use const char * for caller's expression
	types. Updated all callers.

77
78
79
	* rsa2openpgp.c (rsa_keypair_to_openpgp): Added cast to const
	uint8_t *.

80
81
82
	* pgp-encode.c (write_string): New helper function, replacing...
	(WRITE): ... deleted macro.

83
84
85
86
87
	* examples/io.c (write_data): Renamed, and use const void * for
	the input data. Updated all callers.
	(write_string): ... old name.
	(write_file): Use const void * for the input data.

88
89
2016-08-05  Niels Möller  <nisse@lysator.liu.se>

90
	* examples/hogweed-benchmark.c: Use uint8_t for curve25519 values.
Niels Möller's avatar
Niels Möller committed
91
	(bench_rsa_init): Use unsigned char for sexp strings.
Niels Möller's avatar
Niels Möller committed
92
	(bench_dsa_init): Likewise.
93
94
	(hash_string): Delete length argument, calling strlen instead.
	Cast string to const uint8_t *. Updated callers.
Niels Möller's avatar
Niels Möller committed
95

96
97
98
	* examples/io.c (read_file): Use size_t for sizes, and uint8_t for
	the contents.

99
100
2016-08-04  Niels Möller  <nisse@lysator.liu.se>

101
102
103
	* dsa-sign.c (dsa_sign): Return failure if p is even, so that an
	invalid key doesn't result in a crash inside mpz_powm_sec.

104
105
106
107
108
109
	* rsa-sign-tr.c (rsa_compute_root_tr): Return failure if any of p,
	q or n is even, to avoid crashing inside mpz_powm_sec. Invalid
	keys with even modulo are rejected by rsa_public_key_prepare and
	rsa_private_key_prepare, but some applications, notably gnutls,
	don't use them.

110
111
112
113
114
115
2016-07-31  Niels Möller  <nisse@lysator.liu.se>

	* rsa.c (_rsa_check_size): Check that n is odd. Otherwise, using
	an invalid key may crash in mpz_powm_sec. Problem reported by
	Hanno Böck.

116
117
118
119
120
121
122
123
124
125
2016-07-13  Niels Möller  <nisse@lysator.liu.se>

	* bignum.c (nettle_mpz_from_octets): Unconditionally use
	mpz_import.
	* gmp-glue.c (mpn_copyd, mpn_copyi, mpn_zero): Deleted
	compatibility definitions for older versions of GMP.
	* gmp-glue.h (mpn_sqr): Deleted compatibility definition.
	* testsuite/testutils.c (mpz_combit): Deleted compatibility
	definition.

Niels Möller's avatar
Niels Möller committed
126
127
128
129
130
131
132
133
134
135
136
2016-07-12  Niels Möller  <nisse@lysator.liu.se>

	* configure.ac: Check for mpz_powm_sec, and require GMP-5.0 or
	later.
	* bignum.h (mpz_powm_sec): Fall back to plain mpz_powm for
	mini-gmp build.
	* dsa-sign.c (dsa_sign): Use mpz_powm_sec.
	* rsa-sign.c (rsa_compute_root): Likewise.
	* rsa-sign-tr.c (rsa_blind, rsa_compute_root_tr): Likewise.
	* rsa-blind.c (_rsa_blind): Likewise.

137
138
2016-05-02  Niels Möller  <nisse@lysator.liu.se>

139
140
	* nettle.texinfo: Update Curve25519 documentation.

141
142
143
	* testsuite/curve25519-dh-test.c: Test that inputs bits which must
	be ignored really are ignored.

144
145
146
2016-04-25  Niels Möller  <nisse@lysator.liu.se>

	* curve25519-mul.c (curve25519_mul): Ignore top bit of the input x
147
	coordinate, as required by RFC 7748.
148

Niels Möller's avatar
Niels Möller committed
149
150
151
152
153
154
2016-03-30  Niels Möller  <nisse@lysator.liu.se>

	From Nikos Mavrogiannopoulos.
	* configure.ac: Change dll names to follow the libtool convention
	with only major version number in the name.

Niels Möller's avatar
Niels Möller committed
155
156
2016-03-15  Niels Möller  <nisse@lysator.liu.se>

Niels Möller's avatar
Niels Möller committed
157
158
159
160
161
162
	* twofish.c (gf_multiply): Change return value to uint32_t, to
	make shifting of the return value well defined, without any type
	casts. Fixes an undefined shift in compute_s, reported by Nikos
	Mavrogiannopoulos.
	(h_byte): Deleted type casts.

163
164
165
166
	* blowfish.c (blowfish_encrypt, blowfish_decrypt): Use READ_UINT32
	macro. Fixes an undefined shift, reported by Nikos
	Mavrogiannopoulos.

Niels Möller's avatar
Niels Möller committed
167
168
169
170
171
172
	From Nikos Mavrogiannopoulos.
	* configure.ac (HOGWEED_EXTRA_SYMBOLS): Add "mp_*", when building
	with mini-gmp.
	* des.c (des_weak_p): Check that the hash value is in the proper
	range before using it. Fixes an out-of-bounds read.

173
174
175
176
177
2016-03-14  Niels Möller  <nisse@lysator.liu.se>

	* getopt.c (_getopt_internal_r): Fix c99-ism, move declarations to
	top of block. Reported by Henrik Grubbström.

178
179
2016-02-16  Niels Möller  <nisse@lysator.liu.se>

180
181
182
183
184
	* tools/input.c (sexp_get_string_length): Process advanced string
	syntax only when in advanced mode. Fixes an assertion failure
	reported by Hanno Böck, for input where advanced syntax is
	improperly wrapped inside transport syntax.

185
186
187
188
189
	* tools/parse.c (sexp_parse): Fail with an error message for
	unexpected ']' characters. Fixes crash reported by Hanno Böck.
	Also handle SEXP_DISPLAY (internal error) explicitly, without a
	default clause.

190
191
192
193
2016-01-28  Niels Möller  <nisse@lysator.liu.se>

	* Released nettle-3.2.

194
195
196
197
198
199
200
201
2016-01-26  Niels Möller  <nisse@lysator.liu.se>

	* tools/nettle-pbkdf2.c (main): Fix handling of unrecognized
	options. Bug reported by Dongsheng Zhang. Display usage message
	and exit non-zero. Also added "Usage: "-prefix to the message.
	* tools/nettle-hash.c (usage): New function, extracted from main.
	(main): Analogous fix for unrecognized options.

202
203
204
205
2016-01-23  Niels Möller  <nisse@lysator.liu.se>

	* nettle.texinfo: Set UPDATED-FOR to 3.2.

Niels Möller's avatar
Niels Möller committed
206
207
208
209
210
2016-01-21  Niels Möller  <nisse@lysator.liu.se>

	* .gitlab-ci.yml: New file. Configuration for gitlab's continuous
	integration system.

211
212
2016-01-20  Niels Möller  <nisse@lysator.liu.se>

213
214
	* testsuite/dlopen-test.c (main): Mark arguments as UNUSED.

215
216
	* testsuite/Makefile.in (clean): Delete dlopen-test.

Niels Möller's avatar
Niels Möller committed
217
218
219
220
	* configure.ac: Bump package version, to nettle-3.2.
	(LIBNETTLE_MINOR, LIBHOGWEED_MINOR): Bump minor versions, to
	libnettle.so.6.2 and and libhogweed.so.4.2.

Niels Möller's avatar
Niels Möller committed
221
222
2016-01-10  Niels Möller  <nisse@lysator.liu.se>

223
224
225
	* base64-encode.c (encode_raw): Use const uint8_t * for the
	alphabet argument.

Niels Möller's avatar
Niels Möller committed
226
227
228
	* nettle.texinfo (RSA): Document the rsa_pkcs1_verify and
	rsa_pkcs1_sign functions, and the new rsa_*_tr functions.

229
230
2015-12-18  Niels Möller  <nisse@lysator.liu.se>

231
232
233
234
235
	* testsuite/testutils.h: Fix include order, system headers before
	nettle headers. Always include version.h, needed by
	version-test.c. It was included indirectly via bignum.h, but only
	if configured with publickey support.

236
237
	* configure.ac (IF_DLOPEN_TEST): Fixed shell conditional.

238
239
240
	* testsuite/ecc-mod-test.c (test_main): Handle random seeding if
	NETTLE_TEST_SEED is set in the environment.

241
242
243
244
245
246
247
248
2015-12-15  Niels Möller  <nisse@lysator.liu.se>

	* x86_64/ecc-384-modp.asm: Fixed carry propagation bug. Problem
	reported by Hanno Böck. Simplified the folding to always use
	non-negative carry, the old code attempted to add in a carry which
	could be either positive or negative, but didn't get that case
	right.

249
250
251
252
253
254
2015-12-10  Niels Möller  <nisse@lysator.liu.se>

	* ecc-256.c (ecc_256_modp): Fixed carry propagation bug. Problem
	reported by Hanno Böck.
	(ecc_256_modq): Fixed another carry propagation bug.

255
256
257
258
259
2015-11-23  Niels Möller  <nisse@lysator.liu.se>

	* nettle.texinfo: Document rsa_encrypt, rsa_decrypt and
	rsa_decrypt_tr. Text contributed by Andy Lawrence.

260
261
262
263
2015-11-15  Niels Möller  <nisse@lysator.liu.se>

	* rsa.h (_rsa_blind, _rsa_unblind): Mark as deprecated.

264
265
266
267
268
269
270
271
272
273
274
275
276
2015-09-17  Niels Möller  <nisse@lysator.liu.se>

	* rsa-md5-sign-tr.c (rsa_md5_sign_tr, rsa_md5_sign_digest_tr): New
	file, new functions.
	* rsa-sha1-sign-tr.c (rsa_sha1_sign_tr, rsa_sha1_sign_digest_tr):
	Likewise.
	* rsa-sha256-sign-tr.c (rsa_sha256_sign_tr)
	(rsa_sha256_sign_digest_tr): Likewise.
	* rsa-sha512-sign-tr.c (rsa_sha512_sign_tr)
	(rsa_sha512_sign_digest_tr): Likewise.
	* rsa.h: Added corresponding prototypes.
	* Makefile.in (hogweed_SOURCES): Added new files.

277
278
279
	* testsuite/testutils.c (SIGN): Extend macro to test new
	functions, and the rsa_*_sign_digest functions. Updated callers.

280
281
2015-09-14  Niels Möller  <nisse@lysator.liu.se>

282
283
284
285
286
287
288
	* rsa-decrypt-tr.c (rsa_decrypt_tr): Use rsa_compute_root_tr.
	Mainly for simplicity and consistency, I'm not aware of any CRT
	fault attacks on RSA decryption.

	* testsuite/rsa-encrypt-test.c (test_main): Added test with
	invalid private key.

289
290
291
292
293
294
295
296
	* rsa-sign-tr.c (rsa_compute_root_tr): New file and function.
	* rsa.h: Declare it.
	* rsa-pkcs1-sign-tr.c (rsa_pkcs1_sign_tr): Use rsa_compute_root_tr.
	(rsa_verify_res): Deleted, replaced by rsa_compute_root_tr.
	* testsuite/rsa-sign-tr-test.c (test_rsa_sign_tr): Check that
	signature argument is unchanged on failure.
	* Makefile.in (hogweed_SOURCES): Added rsa-sign-tr.c.

297
298
2015-09-07  Niels Möller  <nisse@lysator.liu.se>

Niels Möller's avatar
Niels Möller committed
299
300
301
	* testsuite/rsa-sign-tr-test.c: Drop include of nettle-internal.h.
	(test_main): Fix incorrect use of sizeof, and use LDATA macro.

302
303
304
305
306
307
308
	From Nikos Mavrogiannopoulos.
	* rsa-pkcs1-sign-tr.c (rsa_verify_res): New function.
	(rsa_pkcs1_sign_tr): Check result of private key operation, to
	protect against hardware or software errors leaking the private
	key.
	* testsuite/rsa-sign-tr-test.c: New testcase.

Niels Möller's avatar
Niels Möller committed
309
310
311
312
2015-09-06  Niels Möller  <nisse@lysator.liu.se>

	* nettle.texinfo: Updated SHA3 documentation.

Niels Möller's avatar
Niels Möller committed
313
314
2015-09-02  Niels Möller  <nisse@lysator.liu.se>

315
316
317
318
319
320
321
322
323
324
325
326
	* testsuite/dlopen-test.c: New test program, exposing the problem
	with ifunc and RTLD_NOW.

	* testsuite/Makefile.in (TS_ALL): Conditionally add dlopen-test.
	(SOURCES): Added dlopen-test.c.
	(dlopen-test): New target, unlike other test programs, *not*
	linked with -lnettle.

	* configure.ac: Check for dlfcn.h and the dlopen function.
	(IF_DLOPEN_TEST): New substituted variable, true if dlopen is
	available and we are building a shared library.

Niels Möller's avatar
Niels Möller committed
327
328
329
	* fat-setup.h: Disable use of ifunc, since it breaks dlopen with
	RTLD_NOW.

330
331
2015-08-25  Niels Möller  <nisse@lysator.liu.se>

332
333
	* NEWS: Started on entries for Nettle-3.2.

334
335
	* sha3.h (NETTLE_SHA3_FIPS202): New preprocessor constant.

336
337
338
339
340
341
342
343
344
345
346
2015-08-24  Niels Möller  <nisse@lysator.liu.se>

	* testsuite/sha3.awk: Document origin of test vectors.

	From Nikos Mavrogiannopoulos.
	* sha3.c (_sha3_pad): Update for NIST version.
	* testsuite/sha3-224-test.c: Updated test vectors.
	* testsuite/sha3-256-test.c: Likewise.
	* testsuite/sha3-384-test.c: Likewise.
	* testsuite/sha3-512-test.c: Likewise.

347
348
349
350
351
2015-06-03  Niels Möller  <nisse@lysator.liu.se>

	* arm/neon/chacha-core-internal.asm: New file. 55% speedup over C
	version on Cortex-A9.

352
353
354
355
356
2015-05-19  Niels Möller  <nisse@lysator.liu.se>

	* configure.ac: ABI detection (n32 or n64) on Irix, and
	appropriate default for libdir. Patch from Klaus Ziegler.

357
358
359
360
361
362
363
364
365
2015-05-12  Niels Möller  <nisse@lysator.liu.se>

	* version.c (nettle_version_major, nettle_version_minor): New
	file. New functions, returning the value of the corresponding
	preprocessor constant.
	* Makefile.in (nettle_SOURCES): Added version.c.
	* testsuite/version-test.c: New testcase.
	* testsuite/Makefile.in (TS_NETTLE_SOURCES): Added version-test.c.

366
367
2015-04-29  Niels Möller  <nisse@lysator.liu.se>

368
369
	* arm/v6/sha256-compress.asm: Fix syntax error in offset
	addressing. Spotted by Jukka Ukkonen.
370
371
372
	* arm/v6/aes-decrypt-internal.asm: Drop %-prefix on r12 register.
	* arm/v6/aes-encrypt-internal.asm: Likewise.

Niels Möller's avatar
Niels Möller committed
373
374
2015-04-24  Niels Möller  <nisse@lysator.liu.se>

Niels Möller's avatar
Niels Möller committed
375
376
	* Released nettle-3.1.1.

Niels Möller's avatar
Niels Möller committed
377
378
379
380
	* configure.ac: Bump package version, to nettle-3.1.1.
	(LIBNETTLE_MINOR, LIBHOGWEED_MINOR): Bump minor versions, to
	libnettle.so.6.1 and and libhogweed.so.4.1.

381
382
383
384
385
2015-04-22  Niels Möller  <nisse@lysator.liu.se>

	* x86_64/gcm-hash8.asm: Use ".value" instead of ".short", since
	the latter is not supported by the Sun/Oracle assembler.

386
387
388
389
390
2015-04-13  Niels Möller  <nisse@lysator.liu.se>

	* configure.ac: Fix shell quoting in test of GMP_NUMB_BITS asm
	compatibility. Reported by Edward Sheldrake.

391
392
393
394
2015-04-07  Niels Möller  <nisse@lysator.liu.se>

	* Released nettle-3.1.

395
2015-03-31  Niels Möller  <nisse@lysator.liu.se>
396

397
398
399
400
401
402
403
	* x86_64/ecc-224-modp.asm: Require that GMP_NUMB_BITS == 64.
	* x86_64/ecc-521-modp.asm: Likewise. Note that the other
	ecc-*-modp.asm files happen to work fine on x86_64, with either 32
	or 64 bits.

	* asm.m4 (GMP_NUMB_BITS): New macro, expanding to nothing.

404
405
	* configure.ac: Move tests for compiler characteristics,
	libraries, and GMP_NUMB_BITS, before assembler-related tests.
406
407
408
	For files in $asm_hogweed_optional_list, check if they declare
	a GMP_NUMB_BITS requirement, and skip files which are incompatible
	with the configuration. Needed for --enable-mini-gmp om w64.
409

410
411
412
	* Makefile.in (clean-here): Unconditionally delete *.a (including
	stub libraries like *.dll.a).

413
2015-03-30  Niels Möller  <nisse@lysator.liu.se>
414

415
416
417
418
	* version.h.in (GMP_NUMB_BITS) [NETTLE_USE_MINI_GMP]: Move
	definition here (uses configure substitution).
	* bignum.h (GMP_NUMB_BITS): ...old location.

Niels Möller's avatar
Niels Möller committed
419
420
421
	* nettle.texinfo: Updated version number.
	(Installation): Document some more configure options.

422
	* testsuite/symbols-test: Look for NETTLE_USE_MINI_GMP in
423
424
	version.h, not bignum.h. Allow leading underscore on mini-gmp
	symbols.
425

426
2015-03-26  Niels Möller  <nisse@lysator.liu.se>
427

428
429
430
431
432
433
434
435
436
437
438
439
440
	* Makefile.in (PRE_CPPFLAGS): Drop -I$(srcdir), no longer needed.
	(HEADERS): Added bignum.h. Removed version.h.
	(INSTALL_HEADERS): Added version.h.
	(DISTFILES): Removed bignum.h.in.
	(bignum.h): Deleted make target.
	(distclean-here): Don't delete bignum.h.

	* configure.ac: No longer generate bignum.h.

	* bignum.h: Renamed. Removed substitution of NETTLE_USE_MINI_GMP,
	and include version.h instead.
	* bignum.h.in: ... old name.

441
442
	* version.h.in (NETTLE_USE_MINI_GMP): Substitute here.

443
2015-03-25  Niels Möller  <nisse@lysator.liu.se>
444

445
446
447
	* configure.ac (MAJOR_VERSION, MINOR_VERSION): Tweak sed
	expressions, to tolerate version suffixes.

448
449
450
	* Makefile.in (distdir): Include assembly files from the new
	x86_64/aesni, x86_64/fat, and arm/fat directories.

451
452
453
	* ed25519-sha512-pubkey.c: Fix stack overwrite. The digest array
	must have room for a complete sha512 digest.

454
2015-03-19  Niels Möller  <nisse@lysator.liu.se>
455

456
457
458
459
460
461
462
463
464
	* 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.

465
466
467
468
	* 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
469
470
	* nettle.texinfo: Updated EdDSA documentation.

471
472
473
474
475
476
	* 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.

477
478
479
480
481
	From Nikos Mavrogiannopoulos.
	* configure.ac (MAJOR_VERSION, MINOR_VERSION): New substituted
	variables.
	* version.h.in: New file, defining version numbers.

482
2015-03-18  Niels Möller  <nisse@lysator.liu.se>
483

484
485
486
487
488
489
	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.
490
491
	* eddsa-pubkey.c (_eddsa_public_key, _eddsa_public_key_itch): New
	file, new functions.
492
493
494
495
496
497
498
499
500
501
502
503
504
505
	* 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.
506

507
2015-03-14  Niels Möller  <nisse@lysator.liu.se>
Niels Möller's avatar
Niels Möller committed
508
509
510
511
512

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

513
2015-03-12  Niels Möller  <nisse@lysator.liu.se>
Niels Möller's avatar
Niels Möller committed
514

515
516
517
518
519
	* 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
520
521
	* nettle.texinfo (ASCII encoding): Document base64url functions.

522
2015-03-10  Niels Möller  <nisse@lysator.liu.se>
523

524
525
526
527
	* nettle.texinfo: Update documentation of curve25519_mul. Say that
	the output is undefined for points belonging to the twist rather
	than the proper curve.

528
	* curve25519-mul.c (curve25519_mul): Changed return type to void.
529
	* curve25519.h (curve25519_mul): Updated prototype.
530
531
532
533
	* examples/hogweed-benchmark.c (bench_curve25519_mul): Drop check
	of curve25519_mul return value.
	* testsuite/curve25519-dh-test.c (test_a): Likewise.

534
2015-02-26  Niels Möller  <nisse@lysator.liu.se>
535
536
537

	* nettle.texinfo: Document curve25519 and eddsa.

538
539
2015-02-10  Niels Möller  <nisse@lysator.liu.se>

540
541
542
543
544
545
546
547
	* 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.

548
549
550
551
552
553
554
555
556
557
558
559
	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.

560
561
562
563
564
565
566
567
568
569
570
571
572
573
	* 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.

574
575
2015-02-09  Niels Möller  <nisse@lysator.liu.se>

576
577
578
	* base64-encode.c (base64_encode): Deleted old #if:ed out
	function.

579
580
581
	* testsuite/base64-test.c (test_fuzz_once, test_fuzz): Additional
	tests, based on contribution by Amos Jeffries.

582
583
584
2015-02-05  Niels Möller  <nisse@lysator.liu.se>

	* configure.ac (LIBHOGWEED_MAJOR): Undo latest bump, 4 should be
585
	enough (previous release, nettle-3.0, used 3).
586

587
588
2015-01-30  Niels Möller  <nisse@lysator.liu.se>

589
590
591
592
593
594
595
596
597
598
	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.

599
600
601
602
	* 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.

603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
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.

628
629
2015-01-25  Niels Möller  <nisse@lysator.liu.se>

630
631
632
633
634
	* 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.

635
636
637
638
639
640
641
642
643
644
	* 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_*.

645
646
647
648
649
	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.

650
651
652
653
654
655
656
657
658
659
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.

660
661
2015-01-21  Niels Möller  <nisse@lysator.liu.se>

Niels Möller's avatar
Niels Möller committed
662
663
664
665
666
667
668
669
	* 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.

670
671
672
673
674
675
676
677
678
679
680
	* 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.

681
682
2015-01-20  Niels Möller  <nisse@lysator.liu.se>

683
684
685
	* fat-arm.c (get_arm_features): Check NETTLE_FAT_OVERRIDE
	environment variable.

686
687
688
689
690
691
692
693
	* 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.

694
695
	* configure.ac: Check for secure_getenv function.

696
697
2015-01-19  Niels Möller  <nisse@lysator.liu.se>

698
699
700
701
702
703
704
	* 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.

705
706
707
708
709
	* Makefile.in (DISTFILES): Added fat-setup.h.

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

710
711
2015-01-17  Niels Möller  <nisse@lysator.liu.se>

712
713
714
715
	* fat-x86_64.c (DECLARE_FAT_FUNC, DEFINE_FAT_FUNC)
	(DECLARE_FAT_FUNC_VAR): New macros, to define needed resolver and
	wrapper functions.

716
717
718
719
720
	* 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
721
	(fat_transform): New macro, taking symbol name as argument.
722
723
724
725
	Updated all uses of fat_suffix.
	* fat-x86_64.c: Updated for internal "_nettle" prefix on
	cpu-specific memxor functions.

726
727
728
729
730
731
732
733
	* 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.

734
735
736
737
738
739
740
741
742
743
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.

744
745
2015-01-13  Niels Möller  <nisse@lysator.liu.se>

746
747
748
749
750
751
	* 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.

752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
	* 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.

773
774
775
776
	* 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.

777
778
779
780
	* aclocal.m4 (NETTLE_CHECK_IFUNC): New macro, checking for ifunc
	and settting HAVE_LINK_IFUNC if working.
	* configure.ac: Use it.

781
782
2015-01-12  Niels Möller  <nisse@lysator.liu.se>

783
784
785
	* asm.m4 (DECLARE_FUNC): New macro, extracted from PROLOGUE.
	(PROLOGUE): Use it.

786
787
788
789
790
791
792
	* 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.

793
794
2015-01-11  Niels Möller  <nisse@lysator.liu.se>

795
796
797
798
	* 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.

799
800
801
	* aclocal.m4 (LSH_RPATH_INIT): Handle freebsd, in the same way as
	gnu/linux, with -Wl,-rpath,.

802
803
	Merged memxor-reorg changes, starting at 2014-10-23.

804
805
806
807
808
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
809
810
811
812
813
814
815
816
817
818
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.

819
820
2014-10-23  Niels Möller  <nisse@lysator.liu.se>

821
822
823
824
	* configure.ac (IF_ASM): New substituted variable.
	* testsuite/Makefile.in (VALGRIND): Allow partial loads only when
	build includes assembly files.

825
	* memxor-internal.h (READ_PARTIAL): New macro.
826
	* memxor.c (memxor_different_alignment): Avoid out-of-bounds
827
828
	reads, corresponding to valgrind's --partial-loads-ok. Use
	READ_PARTIAL.
829
	* memxor3.c: Analogous changes for unaligned operations.
830

831
832
833
834
835
836
	* 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
837
	* memxor.c: memxor3 functions moved out from this file.
838
839
840
	* Makefile.in (nettle_SOURCES): Added memxor3.c.
	(DISTFILES): Added memxor-internal.h.

Niels Möller's avatar
Niels Möller committed
841
842
	* memxor.c (memxor_common_alignment, memxor_different_alignment)
	(memxor): Change loop order, iterate from the end.
843
	(memxor3_common_alignment): Unroll twice.
844
845
	(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
846

847
848
849
850
851
852
853
854
855
856
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.

857
858
2014-12-08  Niels Möller  <nisse@lysator.liu.se>

859
860
861
	* aclocal.m4 (LD_VERSION_SCRIPT): Linker scripts no longer located
	in the source tree.

Niels Möller's avatar
Niels Möller committed
862
863
864
	* configure.ac (LIBNETTLE_MAJOR): Bump major number, now 6.
	(LIBHOGWEED_MAJOR): Bump major number, now 5.

865
866
867
868
869
870
871
872
873
874
875
	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
876
877
2014-11-24  Niels Möller  <nisse@lysator.liu.se>

878
879
880
	* 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
881
882
883
	* testsuite/eddsa-verify-test.c (test_eddsa): Fixed test case bug,
	showing up as use of uninitialized data with valgrind.

884
885
886
887
888
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.

889
890
2014-10-22  Niels Möller  <nisse@lysator.liu.se>

891
892
893
894
	* configure.ac: Check for getline function.
	* testsuite/ed25519-test.c (getline) [!HAVE_GETLINE]: Fallback
	definition.

895
896
897
898
	* Makefile.in (clean-here): Unconditionally delete .so and .dll
	files.
	(IMPLICIT_TARGETS): Deleted variable.

899
900
2014-10-21  Niels Möller  <nisse@lysator.liu.se>

Niels Möller's avatar
Niels Möller committed
901
902
903
	* testsuite/ed25519-test.c: New test case. Optionally reads the
	file pointed to by $ED25519_SIGN_INPUT.

904
905
906
907
	* testsuite/testutils.c (tstring_hex): Rewrite, using Nettle's
	base16 functions.
	(decode_hex, decode_hex_length): Deleted functions.

908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
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.


923
924
925
926
927
928
929
930
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.

931
932
2014-10-14  Niels Möller  <nisse@lysator.liu.se>

933
934
935
936
	* 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
937
938
939
940
	* testsuite/eddsa-verify-test.c: New testcase.
	* testsuite/Makefile.in (TS_HOGWEED_SOURCES): Added
	eddsa-verify-test.c.

941
942
943
944
945
	* 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
946
947
2014-10-08  Niels Möller  <nisse@lysator.liu.se>

948
949
950
	* testsuite/eddsa-sign-test.c (test_eddsa_sign): Use
	_eddsa_expand_key, and check its public key output.

951
952
953
954
	* 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
955
956
	* eddsa-sign.c: Drop unneeded include of nettle-internal.h.

957
958
2014-10-04  Niels Möller  <nisse@lysator.liu.se>

Niels Möller's avatar
Niels Möller committed
959
960
961
962
	* testsuite/eddsa-sign-test.c: New testcase.
	* testsuite/Makefile.in (TS_HOGWEED_SOURCES): Added
	eddsa-sign-test.c.

963
964
965
966
967
968
969
	* 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.

970
971
2014-10-03  Niels Möller  <nisse@lysator.liu.se>

972
	* testsuite/ecc-redc-test.c [NETTLE_USE_MINI_GMP]: Enable test.
973
	(test_main): Replace gmp_fprintf calls.
974
	* testsuite/ecc-mul-a-test.c: Likewise.
975
	* testsuite/ecc-mul-g-test.c: Likewise.
976

977
978
	* testsuite/ecc-modinv-test.c [NETTLE_USE_MINI_GMP]: Enable test.
	(ref_modinv): Use mpz_gcdext, instead of mpn_gcdext.
979
	(test_modulo): Replace gmp_fprintf calls.
980

981
982
	* 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.
983
984
	(test_modulo): Replace gmp_fprintf calls by plain fprintf and
	mpn_out_str.
985

986
987
988
	* testsuite/testutils.c (mpn_out_str): New function, needed to
	replace uses of gmp_fprintf.

989
990
991
992
993
994
995
996
997
	* 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.

998
999
2014-10-02  Niels Möller  <nisse@lysator.liu.se>

1000
1001
1002
1003
	* testsuite/eddsa-compress-test.c: New testcase.
	* testsuite/Makefile.in (TS_HOGWEED_SOURCES): Added
	eddsa-compress-test.c.

1004
1005
1006
1007
1008
1009
	* 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
1010
1011
1012
1013
	* testsuite/ecc-sqrt-test.c: New test case.
	* testsuite/Makefile.in (TS_HOGWEED_SOURCES): Added
	ecc-sqrt-test.c.

1014
1015
1016
1017
1018
1019
1020
1021
1022
	* 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
1023
1024
1025
1026
2014-09-24  Niels Möller  <nisse@lysator.liu.se>

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

1027
1028
2014-09-23  Niels Möller  <nisse@lysator.liu.se>

1029
1030
1031
1032
1033
1034
1035
	* 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.

1036
1037
1038
1039
1040
1041
1042
1043
1044
1045
1046
1047
1048
1049
1050
1051
1052
1053
1054
1055
	* 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.

1056
1057
	* testsuite/testutils.c (test_ecc_mul_h): Use ecc->h_to_a_itch.

1058
1059
1060
1061
1062
1063
1064
1065
1066
1067
1068
1069
	* 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
1070
1071
2014-09-22  Niels Möller  <nisse@lysator.liu.se>

1072
1073
1074
1075
	* ecc-random.c (ecc_mod_random): Renamed, and take a const struct
	ecc_modulo * as argument. Updated callers.
	(ecc_modq_random): ... old name.

1076
1077
1078
1079
1080
1081
1082
1083
1084
1085
	* 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.

1086
1087
1088
	* testsuite/ecc-redc-test.c (test_main): Relaxed tests for which
	tests to run.

Niels Möller's avatar
Niels Möller committed
1089
1090
1091
	* 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
1092
1093
1094
1095
1096
	* 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.

1097
1098
1099
1100
1101
1102
1103
1104
1105
1106
1107
	* 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.

1108
1109
1110
	* examples/ecc-benchmark.c (bench_modinv_powm, bench_curve):
	Updated benchmarking of mpn_sec_powm.

Niels Möller's avatar
Niels Möller committed
1111
1112
1113
	* ecc-internal.h (struct ecc_curve): Deleted redc function
	pointer. Use only reduce pointer, which is redc or modp as
	applicable. Updated all users.
1114
1115
	(struct ecc_modulo): Moved mod and reduce function pointers to
	this struct.
Niels Möller's avatar
Niels Möller committed
1116

1117
1118
1119
1120
1121
1122
1123
1124
1125
1126
1127
1128
1129
1130
	* 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
1131
1132
1133
1134
1135
	* 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.

1136
1137
2014-09-17  Niels Möller  <nisse@lysator.liu.se>

1138
1139
1140
1141
	* 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.

1142
1143
1144
1145
1146
1147
1148
1149
1150
	* 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.

1151
1152
1153
1154
	* testsuite/ecc-modinv-test.c (mpn_zero_p): Moved function, to...
	* testsuite/testutils.c (mpn_zero_p): New location. Also make
	non-static.

1155
1156
1157
1158
1159
1160
1161
	* 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
1162
1163
1164
1165
1166
1167
	* 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.

1168
1169
1170
1171
1172
1173
1174
1175
1176
1177
1178
1179
1180
1181
1182
1183
1184
	* 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.

1185
1186
1187
	* ecdsa-keygen.c (ecdsa_generate_keypair): Use struct ecc_curve
	function pointers.

1188
	* testsuite/curve25519-dup-test.c: Deleted file. In the way for
Niels Möller's avatar
Niels Möller committed
1189
	conversion to Edwards coordinate convention, and in the end
1190
1191
1192
1193
1194
	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.

1195
1196
1197
1198
1199
1200
1201
1202
1203
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.

1204
1205
1206
1207
1208
1209
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
1210
1211
2014-09-09  Niels Möller  <nisse@lysator.liu.se>

1212
1213
1214
1215
1216
1217
	* 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
1218
1219
1220
1221
1222
1223
	* 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.

1224
1225
1226
1227
1228
1229
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.

1230
1231
2014-09-03  Niels Möller  <nisse@lysator.liu.se>

1232
1233
1234
1235
1236
1237
1238
	* 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.

1239
1240
1241
1242
	* 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.

1243
1244
1245
1246
1247
1248
1249
1250
1251
1252
1253
1254
1255
1256
1257
	* 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.

1258
1259
1260
1261
1262
1263
1264
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.
1265

1266
	* curve25519-mul.c (curve25519_mul): Use it.
1267
1268
	* curve25519-mul-g.c (curve25519_mul_g): Likewise. Also introduce
	local variable ecc, and use ecc->mul_g_itch.
1269

1270
1271
2014-08-29  Niels Möller  <nisse@lysator.liu.se>

1272
1273
1274
1275
1276
	* 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 ...
1277
1278
1279
1280
1281
	(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.

1282
1283
1284
1285
1286
1287
1288
1289
1290
	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.

1291
1292
2014-08-28  Niels Möller  <nisse@lysator.liu.se>

1293
1294
1295
	* ecdsa-verify.c (ecdsa_verify): Drop include of ecc-internal.h,
	use ecc_size function instead.

1296
1297
1298
	* ecc-ecdsa-verify.c (ecc_ecdsa_verify): Use the struct ecc_curve
	function pointers: mul, mul_g, add_hhh, h_to_a.

1299
1300
	* ecc-internal.h (ECC_ECDSA_VERIFY_ITCH): Deleted macro. Needed
	scratch depends on curve type, not just size.
1301
1302
1303
1304
	(ecc_add_func): New typedef.
	(struct ecc_curve): New function pointer add_hhh, and constant
	add_hhh_itch. Updated all instances.

1305
1306
1307
1308
1309
	* 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.

1310
1311
	* testsuite/ecdsa-sign-test.c (test_main): Added test for the
	obscure case of ecdsa using curve25519.
1312
1313
	* testsuite/ecdsa-verify-test.c (test_main): Likewise (depends on
	above changes).
1314
1315
1316
1317

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

1318
1319
	* ecc-25519.c (ecc_25519_modq): Access q via the ecc struct.

1320
1321
1322
	* 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.

1323
	* ecc-j-to-a.c (ecc_j_to_a): For curves using redc, always convert
Niels Möller's avatar
Niels Möller committed
1324
	back from redc form. When producing x coordinate only, optionally
1325
1326
1327
1328
1329
1330
1331
1332
	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
1333
1334
1335
	* testsuite/symbols-test: Regexp fixes, to better filter out
	get_pc_thunk functions.

1336
1337
1338
1339
1340
1341
1342
1343
1344
1345
1346
1347
1348
1349
1350
	* 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.

1351
1352
1353
1354
	* eccdata.c (output_curve): Don't output ecc_redc_g.
	* ecc-internal.h (struct ecc_curve): Deleted unused field redc_g.
	Updated all instances.

1355
1356
2014-08-27  Niels Möller  <nisse@lysator.liu.se>

1357
1358
	* ecc-modq.c (ecc_modq_inv): Use q_bit_size.

1359
1360
1361
	* ecc-internal.h (struct ecc_curve): New field q_bit_size. Updated
	all instances.

Niels Möller's avatar
Niels Möller committed
1362
1363
1364
	* configure.ac: Bumped package version number to 3.1.
	(LIBHOGWEED_MAJOR): Bumped library version to 4.0.

Niels Möller's avatar
Niels Möller committed
1365
	Merged curve25519 changes (starting at 2014-07-04).
1366
1367
	* Makefile.in (clean-here): Added ecc-25519.h.

Niels Möller's avatar
Niels Möller committed
1368
1369
2014-08-26  Niels Möller  <nisse@lysator.liu.se>

1370
1371
1372
1373
1374
1375
	* 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.

1376
1377
1378
	* testsuite/ecc-mod-test.c (test_curve): Make modq test
	unconditional, partially reverting 2014-07-04 change.

Niels Möller's avatar
Niels Möller committed
1379
1380
1381
1382
	* ecc-25519.c (ecc_25519_modq): New function.

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

Niels Möller's avatar
Niels Möller committed
1383
1384
1385
	* mini-gmp.c (mpz_abs_sub_bit): Do full normalization, needed in
	case the most significant bit is cleared.

1386
1387
2014-08-25  Niels Möller  <nisse@lysator.liu.se>

1388
1389
1390
1391
1392
1393
1394
1395
1396
	* 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.

1397
1398
1399
1400
1401
	* 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.

1402
1403
1404
	* 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
1405
1406
2014-08-24  Niels Möller  <nisse@lysator.liu.se>

1407
	* testsuite/ecdh-test.c: Test ecc_point_mul and ecc_point_mul_g,
1408
1409
1410
1411
	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.

1412
1413
	* testsuite/Makefile.in (TS_HOGWEED_SOURCES): Added ecdh-test.c.

Niels Möller's avatar
Niels Möller committed
1414
1415
	* misc/ecc-ref.gp: Script to generate ECDH test data.

1416
1417
2014-08-23  Niels Möller  <nisse@lysator.liu.se>

1418
1419
1420
1421
	* 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.

1422
1423
1424
1425
1426
1427
1428
	* 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.

1429
1430
1431
	* ecc-internal.h (struct ecc_curve): Reordered struct, moved
	function pointers before pointers to bignum constants.

1432
1433
1434
1435
1436
1437
	* 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.

1438
1439
2014-08-22  Niels Möller  <nisse@lysator.liu.se>

1440
1441
1442
1443
	* 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.
1444

1445
1446
1447
1448
1449
1450
	* 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.

1451
1452
1453
1454
1455
1456
1457
1458
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.

1459
1460
2014-08-18  Niels Möller  <nisse@lysator.liu.se>

1461
1462
1463
1464
1465
	* 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
1466
1467
1468
1469
	* curve25519-mul.c (curve25519_mul): New file and function.
	* curve25519.h (curve25519_mul): Declare it.
	* Makefile.in (hogweed_SOURCES): Added curve25519-mul.c.

1470
1471
1472
1473
1474
	* 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.

1475
1476
1477
1478
1479
	* 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.

1480
1481
2014-08-06  Niels Möller  <nisse@lysator.liu.se>

1482
1483
1484
	* 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
1485
1486
1487
1488
1489
1490
	* 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.

1491
1492
1493
	* gmp-glue.c (mpn_set_base256_le, mpn_get_base256_le): New functions.
	* gmp-glue.h: Declare them.

1494
1495
2014-08-02  Niels Möller  <nisse@lysator.liu.se>

1496
1497
1498
	* testsuite/curve25519-dh-test.c (curve25519_sqrt): Fixed memory
	leak, a mpz_clear call was missing.

1499
1500
1501
1502
1503
1504
	* 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).

1505
1506
1507
1508
1509
1510
1511
1512
1513
1514
1515
1516
1517
1518
1519
1520
1521
1522
1523
1524
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.

1525
1526
1527
1528
1529
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
1530
1531
1532
1533
1534
1535
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.

1536
1537
1538
1539
1540
1541
1542
1543
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
1544
1545
2014-07-17  Niels Möller  <nisse@lysator.liu.se>

1546
1547
1548
	* 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
1549
1550
1551
	* testsuite/curve25519-dup-test.c (test_main): Free allocated
	storage.

1552
1553