busybox

Author	SHA1	Message	Date
Denys Vlasenko	27df6aeef2	tls: P256: factor out "multiply then reduce" operation function old new delta sp_256_mont_mul_and_reduce_8 - 44 +44 sp_256_ecc_mulmod_8 517 442 -75 ------------------------------------------------------------------------------ (add/remove: 1/0 grow/shrink: 0/1 up/down: 44/-75) Total: -31 bytes Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>	2021-12-11 23:27:40 +01:00
Denys Vlasenko	b240733ae7	tls: x25519: code shrink by factoring out common code function old new delta fe_reduce - 37 +37 lm_add 67 43 -24 fe_mul_c 62 38 -24 fe_mul__distinct 138 112 -26 curve25519 800 767 -33 lm_sub 98 64 -34 ------------------------------------------------------------------------------ (add/remove: 1/0 grow/shrink: 0/5 up/down: 37/-141) Total: -104 bytes Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>	2021-12-01 15:09:44 +01:00
Denys Vlasenko	8514b4166d	tls: P256: enable 64-bit version of montgomery reduction After more testing, (1) I'm more sure it is indeed correct, and (2) it is a significant speedup - we do a lot of those multiplications. function old new delta sp_512to256_mont_reduce_8 191 223 +32 Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>	2021-11-28 21:43:51 +01:00
Denys Vlasenko	90b0d33044	tls: P256: add 64-bit montgomery reduce (disabled), small optimization in 32-bit code function old new delta sp_512to256_mont_reduce_8 191 185 -6 Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>	2021-11-28 15:44:08 +01:00
Denys Vlasenko	832626227e	tls: P256: add comment on logic in sp_512to256_mont_reduce_8, no code changes Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>	2021-11-28 12:55:20 +01:00
Denys Vlasenko	cfb615781d	tls: P256: simplify sp_256_mont_inv_8 (no need for a temporary) function old new delta sp_256_ecc_mulmod_8 543 517 -26 Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>	2021-11-28 11:15:34 +01:00
Denys Vlasenko	1b93c7c4ec	tls: P256: pad struct sp_point to 64 bits (on 64-bit arches) function old new delta curve_P256_compute_pubkey_and_premaster 198 190 -8 Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>	2021-11-28 02:56:02 +01:00
Denys Vlasenko	0b13ab66f4	tls: P256: trivial x86-64 fix Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>	2021-11-27 19:36:23 +01:00
Denys Vlasenko	f92ae1dc4b	tls: P256: change logic so that we don't need double-wide vectors everywhere Change sp_256to512z_mont_{mul,sqr}_8 to not require/zero upper 256 bits. There is only one place where we actually used that (and that's why there used to be zeroing memset of top half!). Fix up that place. As a bonus, 256x256->512 multiply no longer needs to care for "r overlaps a or b" case. This shrinks sp_point structure as well, not just temporaries. function old new delta sp_256to512z_mont_mul_8 150 - -150 sp_256_mont_mul_8 - 147 +147 sp_256to512z_mont_sqr_8 7 - -7 sp_256_mont_sqr_8 - 7 +7 sp_256_ecc_mulmod_8 494 543 +49 sp_512to256_mont_reduce_8 243 249 +6 sp_256_point_from_bin2x32 73 70 -3 sp_256_proj_point_dbl_8 353 345 -8 sp_256_proj_point_add_8 544 499 -45 ------------------------------------------------------------------------------ (add/remove: 2/2 grow/shrink: 2/3 up/down: 209/-213) Total: -4 bytes Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>	2021-11-27 19:27:03 +01:00
Denys Vlasenko	9c671fe3dd	tls: P256: do not open-code copying of struct variables Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>	2021-11-27 18:42:27 +01:00
Denys Vlasenko	dcfd8d3d10	tls: P256: fix sp_256_div2_8 - it wouldn't use a[] if low bit is 0 It worked by chance because the only caller passed both parameters as two pointers to the same array. My fault (I made this error when converting from 26-bit code). Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>	2021-11-27 16:24:49 +01:00
Denys Vlasenko	8cbb70365f	tls: P256: remove redundant zeroing in sp_256_map_8 Previous change made it obvious that we zero out already-zeroed high bits function old new delta sp_256_ecc_mulmod_8 534 494 -40 Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>	2021-11-27 15:50:40 +01:00
Denys Vlasenko	4415f7bc06	tls: P256: explain which functions use double-wide arrays, no code changes function old new delta sp_512to256_mont_reduce_8 - 243 +243 sp_256to512z_mont_mul_8 - 150 +150 sp_256to512z_mont_sqr_8 - 7 +7 sp_256_mont_sqr_8 7 - -7 sp_256_mont_mul_8 150 - -150 sp_256_mont_reduce_8 243 - -243 ------------------------------------------------------------------------------ (add/remove: 3/3 grow/shrink: 0/0 up/down: 400/-400) Total: 0 bytes Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>	2021-11-27 15:47:26 +01:00
Denys Vlasenko	bbda85c74b	tls: P256: remove constant-time trick in sp_256_proj_point_add_8 function old new delta sp_256_proj_point_add_8 576 544 -32 Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>	2021-11-27 15:06:57 +01:00
Denys Vlasenko	26c8522522	tls: P256: do not open-code copying of struct variables function old new delta sp_256_ecc_mulmod_8 536 534 -2 Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>	2021-11-27 15:00:14 +01:00
Denys Vlasenko	446d136109	tls: tweak debug printout Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>	2021-11-27 12:03:43 +01:00
Denys Vlasenko	4bc9da1071	tls: P256: 64-bit optimizations function old new delta sp_256_proj_point_dbl_8 421 428 +7 sp_256_point_from_bin2x32 78 84 +6 sp_256_cmp_8 38 42 +4 sp_256_to_bin_8 28 31 +3 ------------------------------------------------------------------------------ (add/remove: 0/0 grow/shrink: 4/0 up/down: 20/0) Total: 20 bytes Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>	2021-11-27 11:28:11 +01:00
Denys Vlasenko	94c78aa0b9	config system: move some options closer to relevalnt tool subdirectories Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>	2021-10-12 13:23:29 +02:00
Denys Vlasenko	aec8fbfb83	whitespace fix Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>	2021-10-11 19:11:06 +02:00
Denys Vlasenko	23aba8a9a6	tls: code shrink curve25519 function old new delta fe_select 39 - -39 curve25519 849 800 -49 ------------------------------------------------------------------------------ (add/remove: 0/1 grow/shrink: 0/1 up/down: 0/-88) Total: -88 bytes Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>	2021-10-11 16:31:47 +02:00
Denys Vlasenko	74ee3f2f73	tls: remove unused tls_symmetric.h (was used by old "big" AES code) Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>	2021-10-11 13:46:30 +02:00
Denys Vlasenko	53b2fdcdba	*: add NOINLINEs where code noticeably shrinks function old new delta display 85 1463 +1378 -73 bytes select_and_cluster - 1088 +1088 -139 bytes parse_reply - 979 +979 -109 bytes zbc_num_sqrt - 632 +632 -191 bytes show_bridge_port - 585 +585 -56 bytes sp_256_proj_point_add_8 - 576 +576 -45 bytes encode_then_append_var_plusminus - 554 +554 -118 bytes read_mode_db - 537 +537 -47 bytes fbset_main 1331 747 -584 sp_256_ecc_mulmod_8 1157 536 -621 brctl_main 2189 1548 -641 expand_one_var 2544 1872 -672 zxc_vm_process 6412 5589 -823 send_queries 1813 725 -1088 recv_and_process_peer_pkt 2245 1018 -1227 bb_dump_dump 1531 80 -1451 ------------------------------------------------------------------------------ (add/remove: 7/0 grow/shrink: 1/8 up/down: 6329/-7107) Total: -778 bytes Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>	2021-10-10 13:50:53 +02:00
Denys Vlasenko	84874785c2	httpd: if range is not specified, correctly fall back to read/write loop range_start was staying -1, and comparison meant to detect "is it the first sendfile that failed, or not the first?" was making incorrect decision. The result: nothing is sent. function old new delta send_file_and_exit 865 877 +12 Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>	2021-10-08 15:41:08 +02:00
Denys Vlasenko	50c5b36dd7	help: s/Don't daemonize/Run in foreground/g Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>	2021-10-08 15:02:53 +02:00
Nicholas Niro	c28313bb17	ip: added support for setting netns on devices function old new delta set_netns - 130 +130 do_iplink 1252 1315 +63 .rodata 104173 104179 +6 packed_usage 34020 33993 -27 ------------------------------------------------------------------------------ (add/remove: 1/0 grow/shrink: 2/1 up/down: 199/-27) Total: 172 bytes Signed-off-by: Nicholas Niro <blowfist@xroutine.net> Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>	2021-10-07 23:24:56 +02:00
Denys Vlasenko	17e6fb06b3	tls: whitespace fix Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>	2021-10-06 21:22:36 +02:00
Denys Vlasenko	5e9c617021	tls: P256: sp_256_sub_8_p256_mod always subtracts in-place, use that i386: function old new delta sp_256_mont_reduce_8 245 243 -2 sp_256_mont_dbl_8 26 24 -2 sp_256_ecc_mulmod_8 1161 1157 -4 sp_256_proj_point_dbl_8 359 353 -6 sp_256_sub_8_p256_mod 71 32 -39 ------------------------------------------------------------------------------ (add/remove: 0/0 grow/shrink: 0/5 up/down: 0/-53) Total: -53 bytes non-asm code: function old new delta sp_256_sub_8_p256_mod - 12 +12 sp_256_mont_reduce_8 250 243 -7 sp_256_mont_dbl_8 31 24 -7 sp_256_ecc_mulmod_8 1171 1157 -14 sp_256_proj_point_dbl_8 374 353 -21 ------------------------------------------------------------------------------ (add/remove: 1/0 grow/shrink: 0/4 up/down: 12/-49) Total: -37 bytes Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>	2021-10-06 20:19:30 +02:00
Denys Vlasenko	87e3f2e9f8	tls: P256: x86-64 optimized sp_256_sub_8_p256_mod function old new delta sp_256_sub_8_p256_mod - 53 +53 sp_256_mont_reduce_8 223 217 -6 sp_256_mont_dbl_8 38 32 -6 sp_256_ecc_mulmod_8 1535 1529 -6 sp_256_proj_point_dbl_8 469 454 -15 ------------------------------------------------------------------------------ (add/remove: 1/0 grow/shrink: 0/4 up/down: 53/-33) Total: 20 bytes Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>	2021-10-06 19:59:39 +02:00
Denys Vlasenko	911344a998	tls: P256: x86-64 assembly function old new delta sp_256_mont_mul_8 127 155 +28 sp_256_proj_point_dbl_8 448 469 +21 sp_256_mont_sub_8 23 35 +12 sp_256_mont_dbl_8 26 38 +12 sp_256_sub_8 44 49 +5 sp_256_ecc_mulmod_8 1530 1535 +5 ------------------------------------------------------------------------------ (add/remove: 0/0 grow/shrink: 6/0 up/down: 83/0) Total: 83 bytes Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>	2021-10-06 17:17:34 +02:00
Denys Vlasenko	22fd8fd3f4	tls: P256: tweak arm assembly (currently disabled) Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>	2021-10-06 16:10:49 +02:00
Denys Vlasenko	d74993d31d	tls: P@256: remove "header comment is kept intact" comment Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>	2021-10-06 14:28:47 +02:00
Denys Vlasenko	567eefcaf8	tls: P256: do not dumplicate sp_256_sub_8() function old new delta sp_256_proj_point_dbl_8 359 374 +15 sp_256_ecc_mulmod_8 1159 1171 +12 sp_256_mont_reduce_8 245 250 +5 sp_256_mont_dbl_8 26 31 +5 sp_256_sub_8_p256_mod 43 - -43 ------------------------------------------------------------------------------ (add/remove: 0/1 grow/shrink: 4/0 up/down: 37/-43) Total: -6 bytes Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>	2021-10-06 14:25:54 +02:00
Denys Vlasenko	00f2cceb6a	tls: P256: shrink sp_256_mul_add_8 a bit more function old new delta sp_256_mont_reduce_8 257 245 -12 Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>	2021-10-06 10:15:29 +02:00
Denys Vlasenko	c784284615	tls: P256: propagate constants, create dedicated "subtract p256_mod" function 8 instances of this subtraction probably warrant a few bytes more of code. function old new delta sp_256_sub_8_p256_mod - 71 +71 sp_256_mont_sub_8 - 29 +29 sp_256_mont_dbl_8 - 26 +26 sp_256_mont_reduce_8 262 257 -5 sp_256_ecc_mulmod_8 1171 1161 -10 sp_256_proj_point_dbl_8 374 359 -15 static.sp_256_mont_sub_8 29 - -29 static.sp_256_mont_dbl_8 31 - -31 ------------------------------------------------------------------------------ (add/remove: 3/2 grow/shrink: 0/3 up/down: 126/-90) Total: 36 bytes Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>	2021-10-06 01:11:48 +02:00
Denys Vlasenko	2430fcfd8d	tls: optimize sp_256_mont_reduce_8 in P256 The code size decrease is small, but we eliminate ALL multiplies! function old new delta sp_256_mont_reduce_8 268 262 -6 Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>	2021-10-06 00:24:03 +02:00
Denys Vlasenko	bbd723ebec	tls: optimize sp_256_mul_8 in P256 function old new delta sp_256_mont_mul_8 151 150 -1 Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>	2021-10-05 23:19:18 +02:00
Denys Vlasenko	3b411ebbfc	tls: replace "26-bit" P256 code with 32-bit one. function old new delta sp_256_ecc_mulmod_8 - 1171 +1171 sp_256_mod_mul_norm_8 - 834 +834 sp_256_proj_point_dbl_8 - 374 +374 sp_256_mont_reduce_8 - 268 +268 sp_256_mont_mul_8 - 151 +151 sp_256_sub_8 - 76 +76 sp_256_add_8 - 76 +76 sp_256_cmp_8 - 38 +38 static.sp_256_mont_dbl_8 - 31 +31 static.sp_256_mont_sub_8 - 29 +29 sp_256_to_bin_8 - 28 +28 sp_256_point_from_bin2x32 50 73 +23 sp_256_mont_sqr_8 - 7 +7 sp_256_mont_sqr_10 7 - -7 p256_mod 40 32 -8 curve_P256_compute_pubkey_and_premaster 186 167 -19 sp_256_sub_10 22 - -22 sp_256_add_10 22 - -22 sp_256_cmp_10 24 - -24 sp_256_norm_10 31 - -31 static.sp_256_mont_sub_10 49 - -49 static.sp_256_mont_dbl_10 52 - -52 static.sp_256_mul_add_10 82 - -82 sp_256_from_bin_10 119 - -119 sp_256_to_bin_10 120 - -120 sp_256_mont_reduce_10 178 - -178 sp_256_mont_mul_10 214 - -214 sp_256_proj_point_dbl_10 451 - -451 sp_256_ecc_mulmod_10 1216 - -1216 sp_256_mod_mul_norm_10 1305 - -1305 ------------------------------------------------------------------------------ (add/remove: 12/15 grow/shrink: 1/2 up/down: 3106/-3919) Total: -813 bytes Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>	2021-10-05 20:01:38 +02:00
Denys Vlasenko	55578f2fb7	tls: fix the case of sp_256_mont_tpl_10() leaving striay high bits It has no effect on correctness, but interferes with compating internal state of different implementations. function old new delta sp_256_proj_point_dbl_10 443 451 +8 static.sp_256_mont_sub_10 46 49 +3 ------------------------------------------------------------------------------ (add/remove: 0/0 grow/shrink: 2/0 up/down: 11/0) Total: 11 bytes Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>	2021-10-05 19:46:39 +02:00
Denys Vlasenko	81d8af1970	tls: fix (what looks like) a rare corner case bug in P256 function old new delta static.sp_256_mont_sub_10 30 46 +16 Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>	2021-10-05 17:31:33 +02:00
Denys Vlasenko	92402d5e0a	tls: remove one overzealous debugging statement Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>	2021-10-05 14:01:52 +02:00
Denys Vlasenko	137864f559	tls: add debugging scaffolding to P256 code Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>	2021-10-05 13:50:11 +02:00
Denys Vlasenko	389329efbe	tls: another P256 code shrink Propagate constant arrays and scalars deeper down call chain. Use sp_256_mont_mul_10 to implement sp_256_mont_sqr_10. function old new delta sp_256_mont_mul_10 - 214 +214 sp_256_mont_reduce_10 - 178 +178 sp_256_mont_sqr_10 - 7 +7 static.sp_256_mont_reduce_10 178 - -178 static.sp_256_mont_mul_10 214 - -214 static.sp_256_mont_sqr_10 234 - -234 ------------------------------------------------------------------------------ (add/remove: 3/3 grow/shrink: 0/0 up/down: 399/-626) Total: -227 bytes Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>	2021-10-05 13:39:33 +02:00
Denys Vlasenko	e730505034	tls: P256 code shrink function old new delta sp_256_to_bin_10 - 120 +120 sp_256_from_bin_10 - 119 +119 sp_256_proj_point_dbl_10 446 443 -3 curve_P256_compute_pubkey_and_premaster 191 186 -5 sp_256_point_from_bin2x32 62 50 -12 sp_256_to_bin 120 - -120 static.sp_256_from_bin 149 - -149 ------------------------------------------------------------------------------ (add/remove: 2/2 grow/shrink: 0/3 up/down: 239/-289) Total: -50 bytes Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>	2021-10-05 13:32:04 +02:00
Denys Vlasenko	934bb01d51	tls: "server cert is not RSA" is a fatal error function old new delta tls_handshake 2022 2019 -3 Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>	2021-10-01 22:03:09 +02:00
Ron Yorston	ed9aa89269	wget: implement --post-file Add the --post-file option to send form data from a file. As with --post-data it's up to the user to ensure that the data is encoded as appropriate: all wget does is stuff the provided data into the request. The --post-data and --post-file options are mutually exclusive and only one instance of either may be given. Additionally: - update the usage message to include missing details of the --post-data and --header options; - free POST data if FEATURE_CLEAN_UP is enabled. function old new delta packed_usage 34158 34214 +56 wget_main 2762 2805 +43 .rodata 99225 99240 +15 static.wget_longopts 266 278 +12 ------------------------------------------------------------------------------ (add/remove: 0/0 grow/shrink: 4/0 up/down: 126/0) Total: 126 bytes Signed-off-by: Ron Yorston <rmy@pobox.com> Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>	2021-10-01 14:55:18 +02:00
Denys Vlasenko	1f5a44d20c	tls: add scaffolding to selectively disable ciphers. no code changes Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>	2021-10-01 14:27:10 +02:00
Denys Vlasenko	7714518f1a	tls: code shrink P256 code function old new delta sp_256_to_bin 148 120 -28 Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>	2021-10-01 13:51:39 +02:00
Denys Vlasenko	ac36e70074	tls: remove unused define Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>	2021-09-30 00:03:23 +02:00
Denys Vlasenko	40f2dd7dd2	httpd: fix config deps Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>	2021-09-10 10:07:42 +02:00
Denys Vlasenko	7ab9cd2398	libbb: make bb_lookup_port() abort on bad port names Also, no need to preserve errno function old new delta .rodata 104247 104241 -6 bb_lookup_port 97 83 -14 nc_main 1039 1018 -21 ------------------------------------------------------------------------------ (add/remove: 0/0 grow/shrink: 0/3 up/down: 0/-41) Total: -41 bytes Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>	2021-09-09 22:00:44 +02:00

1 2 3 4 5 ...

3189 Commits