Denys Vlasenko
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4d3a5c135c
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tls: simplify sp_256_proj_point_dbl_10
function old new delta
sp_256_proj_point_dbl_10 490 435 -55
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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2021-04-26 15:21:38 +02:00 |
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Denys Vlasenko
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03ab2a90bb
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tls: simplify array manipulations in sp_256_ecc_mulmod_10
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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2021-04-26 14:55:46 +02:00 |
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Denys Vlasenko
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166363f47d
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tls: get rid of address obfuscation trick in P256
function old new delta
addr_mask 8 - -8
sp_256_ecc_mulmod_10 1363 1330 -33
------------------------------------------------------------------------------
(add/remove: 0/1 grow/shrink: 0/1 up/down: 0/-41) Total: -41 bytes
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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2021-04-26 14:40:21 +02:00 |
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Denys Vlasenko
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074b33bf16
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tls: simplify sp_256_ecc_gen_k_10, cosmetic changes
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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2021-04-26 14:33:38 +02:00 |
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Denys Vlasenko
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f18a1fd6f3
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tls: implement secp256r1 elliptic curve (aka P256)
function old new delta
sp_256_mod_mul_norm_10 - 1439 +1439
sp_256_ecc_mulmod_10 - 1363 +1363
sp_256_proj_point_dbl_10 - 490 +490
p256_base - 244 +244
static.sp_256_mont_sqr_10 - 234 +234
static.sp_256_mont_mul_10 - 214 +214
curve_P256_compute_pubkey_and_premaster - 197 +197
static.sp_256_mont_reduce_10 - 176 +176
static.sp_256_from_bin - 149 +149
sp_256_to_bin - 148 +148
tls_handshake 2046 2146 +100
static.sp_256_mul_add_10 - 82 +82
.rodata 103275 103336 +61
static.sp_256_mont_sub_10 - 52 +52
static.sp_256_mont_dbl_10 - 52 +52
static.sp_256_cmp_10 - 43 +43
p256_mod - 40 +40
static.sp_256_cond_sub_10 - 32 +32
p256_mod_2 - 32 +32
sp_256_norm_10 - 31 +31
sp_256_cmp_equal_10 - 30 +30
sp_256_add_10 - 22 +22
addr_mask - 8 +8
------------------------------------------------------------------------------
(add/remove: 22/0 grow/shrink: 2/0 up/down: 5239/0) Total: 5239 bytes
text data bss dec hex filename
1018192 559 5020 1023771 f9f1b busybox_old
1023431 559 5020 1029010 fb392 busybox_unstripped
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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2021-04-26 13:30:09 +02:00 |
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