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author | Denys Vlasenko <vda.linux@googlemail.com> | 2019-01-01 15:40:43 +0100 |
---|---|---|
committer | Denys Vlasenko <vda.linux@googlemail.com> | 2019-01-01 15:40:43 +0100 |
commit | 37bdd8f8cb19b674485be1dec6e8ac96d930c87f (patch) | |
tree | fe87b58c5a4c0e5600a14f7ede335c747344f85d /networking/tls_pstm.h | |
parent | 51b510a480b99d480bcf6919b8bae16eb1c61718 (diff) | |
download | busybox-w32-37bdd8f8cb19b674485be1dec6e8ac96d930c87f.tar.gz busybox-w32-37bdd8f8cb19b674485be1dec6e8ac96d930c87f.tar.bz2 busybox-w32-37bdd8f8cb19b674485be1dec6e8ac96d930c87f.zip |
tls: pstm code shrink
Optimize ABI calling convention and "dead code" cases where return value
is known to be always "success".
function old new delta
pstm_mod 113 1227 +1114
pstm_exptmod 1463 1532 +69
pstm_montgomery_reduce 381 393 +12
pstm_sqr_comba 478 487 +9
pstm_mul_comba 447 452 +5
der_binary_to_pstm 42 45 +3
pstm_count_bits 48 46 -2
pstm_clear 72 70 -2
pstm_clamp 57 55 -2
pstm_zero 38 34 -4
pstm_init_size 46 42 -4
pstm_init_for_read_unsigned_bin 24 20 -4
pstm_grow 72 68 -4
pstm_unsigned_bin_size 37 32 -5
pstm_cmp_mag 78 72 -6
pstm_copy 92 84 -8
pstm_mul_d 224 215 -9
pstm_rshd 104 94 -10
pstm_mul_2 156 146 -10
tls_handshake 2085 2072 -13
psRsaEncryptPub 421 408 -13
pstm_lshd 109 95 -14
pstm_cmp 54 39 -15
s_pstm_sub 228 212 -16
pstm_init_copy 72 52 -20
pstm_read_unsigned_bin 109 88 -21
pstm_mulmod 120 99 -21
s_pstm_add 337 314 -23
pstm_add 108 84 -24
pstm_mul_2d 186 161 -25
pstm_sub 102 74 -28
pstm_to_unsigned_bin 151 120 -31
pstm_set 34 - -34
pstm_div_2d 409 373 -36
pstm_init 42 - -42
pstm_exch 50 - -50
pstm_montgomery_setup 89 - -89
pstm_2expt 96 - -96
pstm_montgomery_calc_normalization 140 - -140
pstm_div 1522 - -1522
------------------------------------------------------------------------------
(add/remove: 0/7 grow/shrink: 6/27 up/down: 1212/-2343) Total: -1131 bytes
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
Diffstat (limited to 'networking/tls_pstm.h')
-rw-r--r-- | networking/tls_pstm.h | 86 |
1 files changed, 43 insertions, 43 deletions
diff --git a/networking/tls_pstm.h b/networking/tls_pstm.h index df705adce..bc7a0119a 100644 --- a/networking/tls_pstm.h +++ b/networking/tls_pstm.h | |||
@@ -136,148 +136,148 @@ typedef struct { | |||
136 | #define pstm_isodd(a) (((a)->used > 0 && (((a)->dp[0] & 1) == 1)) ? PS_TRUE : PS_FALSE) | 136 | #define pstm_isodd(a) (((a)->used > 0 && (((a)->dp[0] & 1) == 1)) ? PS_TRUE : PS_FALSE) |
137 | #define pstm_abs(a, b) { pstm_copy(a, b); (b)->sign = 0; } | 137 | #define pstm_abs(a, b) { pstm_copy(a, b); (b)->sign = 0; } |
138 | 138 | ||
139 | extern void pstm_set(pstm_int *a, pstm_digit b); | 139 | //made static:extern void pstm_set(pstm_int *a, pstm_digit b); |
140 | 140 | ||
141 | extern void pstm_zero(pstm_int * a); | 141 | //made static:extern void pstm_zero(pstm_int * a); |
142 | 142 | ||
143 | //bbox: pool unused | 143 | //bbox: pool unused |
144 | #define pstm_init(pool, a) \ | 144 | #define pstm_init(pool, a) \ |
145 | pstm_init( a) | 145 | pstm_init( a) |
146 | extern int32 pstm_init(psPool_t *pool, pstm_int * a); | 146 | //made static:extern int32 pstm_init(psPool_t *pool, pstm_int * a); |
147 | 147 | ||
148 | //bbox: pool unused | 148 | //bbox: pool unused |
149 | #define pstm_init_size(pool, a, size) \ | 149 | #define pstm_init_size(pool, a, size) \ |
150 | pstm_init_size( a, size) | 150 | pstm_init_size( a, size) |
151 | extern int32 pstm_init_size(psPool_t *pool, pstm_int * a, uint32 size); | 151 | extern int32 pstm_init_size(psPool_t *pool, pstm_int * a, uint32 size) FAST_FUNC; |
152 | 152 | ||
153 | //bbox: pool unused | 153 | //bbox: pool unused |
154 | #define pstm_init_copy(pool, a, b, toSqr) \ | 154 | #define pstm_init_copy(pool, a, b, toSqr) \ |
155 | pstm_init_copy( a, b, toSqr) | 155 | pstm_init_copy( a, b, toSqr) |
156 | extern int32 pstm_init_copy(psPool_t *pool, pstm_int * a, pstm_int * b, | 156 | //made static:extern int32 pstm_init_copy(psPool_t *pool, pstm_int * a, pstm_int * b, |
157 | int toSqr); //bbox: was int16 toSqr | 157 | //made static: int toSqr); //bbox: was int16 toSqr |
158 | 158 | ||
159 | extern int pstm_count_bits (pstm_int * a); //bbox: was returning int16 | 159 | //made static:extern int pstm_count_bits (pstm_int * a) FAST_FUNC; //bbox: was returning int16 |
160 | 160 | ||
161 | //bbox: pool unused | 161 | //bbox: pool unused |
162 | #define pstm_init_for_read_unsigned_bin(pool, a, len) \ | 162 | #define pstm_init_for_read_unsigned_bin(pool, a, len) \ |
163 | pstm_init_for_read_unsigned_bin( a, len) | 163 | pstm_init_for_read_unsigned_bin( a, len) |
164 | extern int32 pstm_init_for_read_unsigned_bin(psPool_t *pool, pstm_int *a, | 164 | extern int32 pstm_init_for_read_unsigned_bin(psPool_t *pool, pstm_int *a, |
165 | uint32 len); | 165 | uint32 len) FAST_FUNC; |
166 | 166 | ||
167 | extern int32 pstm_read_unsigned_bin(pstm_int *a, unsigned char *b, int32 c); | 167 | extern int32 pstm_read_unsigned_bin(pstm_int *a, unsigned char *b, int32 c) FAST_FUNC; |
168 | 168 | ||
169 | extern int32 pstm_unsigned_bin_size(pstm_int *a); | 169 | extern int32 pstm_unsigned_bin_size(pstm_int *a) FAST_FUNC; |
170 | 170 | ||
171 | extern int32 pstm_copy(pstm_int * a, pstm_int * b); | 171 | extern int32 pstm_copy(pstm_int * a, pstm_int * b); |
172 | 172 | ||
173 | extern void pstm_exch(pstm_int * a, pstm_int * b); | 173 | //made static:extern void pstm_exch(pstm_int * a, pstm_int * b); |
174 | 174 | ||
175 | extern void pstm_clear(pstm_int * a); | 175 | extern void pstm_clear(pstm_int * a) FAST_FUNC; |
176 | 176 | ||
177 | extern void pstm_clear_multi(pstm_int *mp0, pstm_int *mp1, pstm_int *mp2, | 177 | extern void pstm_clear_multi(pstm_int *mp0, pstm_int *mp1, pstm_int *mp2, |
178 | pstm_int *mp3, pstm_int *mp4, pstm_int *mp5, pstm_int *mp6, | 178 | pstm_int *mp3, pstm_int *mp4, pstm_int *mp5, pstm_int *mp6, |
179 | pstm_int *mp7); | 179 | pstm_int *mp7) FAST_FUNC; |
180 | 180 | ||
181 | extern int32 pstm_grow(pstm_int * a, int size); //bbox: was int16 size | 181 | extern int32 pstm_grow(pstm_int * a, int size) FAST_FUNC; //bbox: was int16 size |
182 | 182 | ||
183 | extern void pstm_clamp(pstm_int * a); | 183 | extern void pstm_clamp(pstm_int * a) FAST_FUNC; |
184 | 184 | ||
185 | extern int32 pstm_cmp(pstm_int * a, pstm_int * b); | 185 | extern int32 pstm_cmp(pstm_int * a, pstm_int * b) FAST_FUNC; |
186 | 186 | ||
187 | extern int32 pstm_cmp_mag(pstm_int * a, pstm_int * b); | 187 | extern int32 pstm_cmp_mag(pstm_int * a, pstm_int * b) FAST_FUNC; |
188 | 188 | ||
189 | extern void pstm_rshd(pstm_int *a, int x); //bbox: was int16 x | 189 | //made static:extern void pstm_rshd(pstm_int *a, int x); //bbox: was int16 x |
190 | 190 | ||
191 | extern int32 pstm_lshd(pstm_int * a, int b); //bbox: was int16 b | 191 | //made static:extern int32 pstm_lshd(pstm_int * a, int b); //bbox: was int16 b |
192 | 192 | ||
193 | //bbox: pool unused | 193 | //bbox: pool unused |
194 | #define pstm_div(pool, a, b, c, d) \ | 194 | #define pstm_div(pool, a, b, c, d) \ |
195 | pstm_div( a, b, c, d) | 195 | pstm_div( a, b, c, d) |
196 | extern int32 pstm_div(psPool_t *pool, pstm_int *a, pstm_int *b, pstm_int *c, | 196 | //made static:extern int32 pstm_div(psPool_t *pool, pstm_int *a, pstm_int *b, pstm_int *c, |
197 | pstm_int *d); | 197 | //made static: pstm_int *d); |
198 | 198 | ||
199 | //bbox: pool unused | 199 | //bbox: pool unused |
200 | #define pstm_div_2d(pool, a, b, c, d) \ | 200 | #define pstm_div_2d(pool, a, b, c, d) \ |
201 | pstm_div_2d( a, b, c, d) | 201 | pstm_div_2d( a, b, c, d) |
202 | extern int32 pstm_div_2d(psPool_t *pool, pstm_int *a, int b, pstm_int *c, | 202 | //made static:extern int32 pstm_div_2d(psPool_t *pool, pstm_int *a, int b, pstm_int *c, |
203 | pstm_int *d); //bbox: was int16 b | 203 | //made static: pstm_int *d); //bbox: was int16 b |
204 | 204 | ||
205 | extern int32 pstm_div_2(pstm_int * a, pstm_int * b); | 205 | extern int32 pstm_div_2(pstm_int * a, pstm_int * b) FAST_FUNC; |
206 | 206 | ||
207 | extern int32 s_pstm_sub(pstm_int *a, pstm_int *b, pstm_int *c); | 207 | extern int32 s_pstm_sub(pstm_int *a, pstm_int *b, pstm_int *c) FAST_FUNC; |
208 | 208 | ||
209 | extern int32 pstm_sub(pstm_int *a, pstm_int *b, pstm_int *c); | 209 | extern int32 pstm_sub(pstm_int *a, pstm_int *b, pstm_int *c) FAST_FUNC; |
210 | 210 | ||
211 | //bbox: pool unused | 211 | //bbox: pool unused |
212 | #define pstm_sub_d(pool, a, b, c) \ | 212 | #define pstm_sub_d(pool, a, b, c) \ |
213 | pstm_sub_d( a, b, c) | 213 | pstm_sub_d( a, b, c) |
214 | extern int32 pstm_sub_d(psPool_t *pool, pstm_int *a, pstm_digit b, pstm_int *c); | 214 | extern int32 pstm_sub_d(psPool_t *pool, pstm_int *a, pstm_digit b, pstm_int *c) FAST_FUNC; |
215 | 215 | ||
216 | extern int32 pstm_mul_2(pstm_int * a, pstm_int * b); | 216 | extern int32 pstm_mul_2(pstm_int * a, pstm_int * b) FAST_FUNC; |
217 | 217 | ||
218 | //bbox: pool unused | 218 | //bbox: pool unused |
219 | #define pstm_mod(pool, a, b, c) \ | 219 | #define pstm_mod(pool, a, b, c) \ |
220 | pstm_mod( a, b, c) | 220 | pstm_mod( a, b, c) |
221 | extern int32 pstm_mod(psPool_t *pool, pstm_int *a, pstm_int *b, pstm_int *c); | 221 | //made static:extern int32 pstm_mod(psPool_t *pool, pstm_int *a, pstm_int *b, pstm_int *c); |
222 | 222 | ||
223 | //bbox: pool unused | 223 | //bbox: pool unused |
224 | #define pstm_mulmod(pool, a, b, c, d) \ | 224 | #define pstm_mulmod(pool, a, b, c, d) \ |
225 | pstm_mulmod( a, b, c, d) | 225 | pstm_mulmod( a, b, c, d) |
226 | extern int32 pstm_mulmod(psPool_t *pool, pstm_int *a, pstm_int *b, pstm_int *c, | 226 | extern int32 pstm_mulmod(psPool_t *pool, pstm_int *a, pstm_int *b, pstm_int *c, |
227 | pstm_int *d); | 227 | pstm_int *d) FAST_FUNC; |
228 | 228 | ||
229 | //bbox: pool unused | 229 | //bbox: pool unused |
230 | #define pstm_exptmod(pool, G, X, P, Y) \ | 230 | #define pstm_exptmod(pool, G, X, P, Y) \ |
231 | pstm_exptmod( G, X, P, Y) | 231 | pstm_exptmod( G, X, P, Y) |
232 | extern int32 pstm_exptmod(psPool_t *pool, pstm_int *G, pstm_int *X, pstm_int *P, | 232 | extern int32 pstm_exptmod(psPool_t *pool, pstm_int *G, pstm_int *X, pstm_int *P, |
233 | pstm_int *Y); | 233 | pstm_int *Y) FAST_FUNC; |
234 | 234 | ||
235 | extern int32 pstm_2expt(pstm_int *a, int b); //bbox: was int16 b | 235 | //made static:extern int32 pstm_2expt(pstm_int *a, int b); //bbox: was int16 b |
236 | 236 | ||
237 | extern int32 pstm_add(pstm_int *a, pstm_int *b, pstm_int *c); | 237 | extern int32 pstm_add(pstm_int *a, pstm_int *b, pstm_int *c) FAST_FUNC; |
238 | 238 | ||
239 | //bbox: pool unused | 239 | //bbox: pool unused |
240 | #define pstm_to_unsigned_bin(pool, a, b) \ | 240 | #define pstm_to_unsigned_bin(pool, a, b) \ |
241 | pstm_to_unsigned_bin( a, b) | 241 | pstm_to_unsigned_bin( a, b) |
242 | extern int32 pstm_to_unsigned_bin(psPool_t *pool, pstm_int *a, | 242 | extern int32 pstm_to_unsigned_bin(psPool_t *pool, pstm_int *a, |
243 | unsigned char *b); | 243 | unsigned char *b) FAST_FUNC; |
244 | 244 | ||
245 | //bbox: pool unused | 245 | //bbox: pool unused |
246 | #define pstm_to_unsigned_bin_nr(pool, a, b) \ | 246 | #define pstm_to_unsigned_bin_nr(pool, a, b) \ |
247 | pstm_to_unsigned_bin_nr( a, b) | 247 | pstm_to_unsigned_bin_nr( a, b) |
248 | extern int32 pstm_to_unsigned_bin_nr(psPool_t *pool, pstm_int *a, | 248 | extern int32 pstm_to_unsigned_bin_nr(psPool_t *pool, pstm_int *a, |
249 | unsigned char *b); | 249 | unsigned char *b) FAST_FUNC; |
250 | 250 | ||
251 | extern int32 pstm_montgomery_setup(pstm_int *a, pstm_digit *rho); | 251 | //made static:extern int32 pstm_montgomery_setup(pstm_int *a, pstm_digit *rho); |
252 | 252 | ||
253 | //bbox: pool unused | 253 | //bbox: pool unused |
254 | #define pstm_montgomery_reduce(pool, a, m, mp, paD, paDlen) \ | 254 | #define pstm_montgomery_reduce(pool, a, m, mp, paD, paDlen) \ |
255 | pstm_montgomery_reduce( a, m, mp, paD, paDlen) | 255 | pstm_montgomery_reduce( a, m, mp, paD, paDlen) |
256 | extern int32 pstm_montgomery_reduce(psPool_t *pool, pstm_int *a, pstm_int *m, | 256 | extern int32 pstm_montgomery_reduce(psPool_t *pool, pstm_int *a, pstm_int *m, |
257 | pstm_digit mp, pstm_digit *paD, uint32 paDlen); | 257 | pstm_digit mp, pstm_digit *paD, uint32 paDlen) FAST_FUNC; |
258 | 258 | ||
259 | #define pstm_mul_comba(pool, A, B, C, paD, paDlen) \ | 259 | #define pstm_mul_comba(pool, A, B, C, paD, paDlen) \ |
260 | pstm_mul_comba( A, B, C, paD, paDlen) | 260 | pstm_mul_comba( A, B, C, paD, paDlen) |
261 | extern int32 pstm_mul_comba(psPool_t *pool, pstm_int *A, pstm_int *B, | 261 | extern int32 pstm_mul_comba(psPool_t *pool, pstm_int *A, pstm_int *B, |
262 | pstm_int *C, pstm_digit *paD, uint32 paDlen); | 262 | pstm_int *C, pstm_digit *paD, uint32 paDlen) FAST_FUNC; |
263 | 263 | ||
264 | //bbox: pool unused | 264 | //bbox: pool unused |
265 | #define pstm_sqr_comba(pool, A, B, paD, paDlen) \ | 265 | #define pstm_sqr_comba(pool, A, B, paD, paDlen) \ |
266 | pstm_sqr_comba( A, B, paD, paDlen) | 266 | pstm_sqr_comba( A, B, paD, paDlen) |
267 | extern int32 pstm_sqr_comba(psPool_t *pool, pstm_int *A, pstm_int *B, | 267 | extern int32 pstm_sqr_comba(psPool_t *pool, pstm_int *A, pstm_int *B, |
268 | pstm_digit *paD, uint32 paDlen); | 268 | pstm_digit *paD, uint32 paDlen) FAST_FUNC; |
269 | 269 | ||
270 | extern int32 pstm_cmp_d(pstm_int *a, pstm_digit b); | 270 | //made static:extern int32 pstm_cmp_d(pstm_int *a, pstm_digit b); |
271 | 271 | ||
272 | extern int32 pstm_montgomery_calc_normalization(pstm_int *a, pstm_int *b); | 272 | //made static:extern int32 pstm_montgomery_calc_normalization(pstm_int *a, pstm_int *b); |
273 | 273 | ||
274 | extern int32 pstm_mul_d(pstm_int *a, pstm_digit b, pstm_int *c); | 274 | //made static:extern int32 pstm_mul_d(pstm_int *a, pstm_digit b, pstm_int *c); |
275 | 275 | ||
276 | //bbox: pool unused | 276 | //bbox: pool unused |
277 | #define pstm_invmod(pool, a, b, c) \ | 277 | #define pstm_invmod(pool, a, b, c) \ |
278 | pstm_invmod( a, b, c) | 278 | pstm_invmod( a, b, c) |
279 | extern int32 pstm_invmod(psPool_t *pool, pstm_int * a, pstm_int * b, | 279 | extern int32 pstm_invmod(psPool_t *pool, pstm_int * a, pstm_int * b, |
280 | pstm_int * c); | 280 | pstm_int * c) FAST_FUNC; |
281 | 281 | ||
282 | #else /* DISABLE_PSTM */ | 282 | #else /* DISABLE_PSTM */ |
283 | typedef int32 pstm_int; | 283 | typedef int32 pstm_int; |