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-rw-r--r--src/lib/libcrypto/sha/asm/sha512-armv4.pl403
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diff --git a/src/lib/libcrypto/sha/asm/sha512-armv4.pl b/src/lib/libcrypto/sha/asm/sha512-armv4.pl
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1#!/usr/bin/env perl
2
3# ====================================================================
4# Written by Andy Polyakov <appro@fy.chalmers.se> for the OpenSSL
5# project. The module is, however, dual licensed under OpenSSL and
6# CRYPTOGAMS licenses depending on where you obtain it. For further
7# details see http://www.openssl.org/~appro/cryptogams/.
8# ====================================================================
9
10# SHA512 block procedure for ARMv4. September 2007.
11
12# This code is ~4.5 (four and a half) times faster than code generated
13# by gcc 3.4 and it spends ~72 clock cycles per byte [on single-issue
14# Xscale PXA250 core].
15#
16# July 2010.
17#
18# Rescheduling for dual-issue pipeline resulted in 6% improvement on
19# Cortex A8 core and ~40 cycles per processed byte.
20
21# Byte order [in]dependence. =========================================
22#
23# Caller is expected to maintain specific *dword* order in h[0-7],
24# namely with most significant dword at *lower* address, which is
25# reflected in below two parameters. *Byte* order within these dwords
26# in turn is whatever *native* byte order on current platform.
27$hi=0;
28$lo=4;
29# ====================================================================
30
31while (($output=shift) && ($output!~/^\w[\w\-]*\.\w+$/)) {}
32open STDOUT,">$output";
33
34$ctx="r0";
35$inp="r1";
36$len="r2";
37$Tlo="r3";
38$Thi="r4";
39$Alo="r5";
40$Ahi="r6";
41$Elo="r7";
42$Ehi="r8";
43$t0="r9";
44$t1="r10";
45$t2="r11";
46$t3="r12";
47############ r13 is stack pointer
48$Ktbl="r14";
49############ r15 is program counter
50
51$Aoff=8*0;
52$Boff=8*1;
53$Coff=8*2;
54$Doff=8*3;
55$Eoff=8*4;
56$Foff=8*5;
57$Goff=8*6;
58$Hoff=8*7;
59$Xoff=8*8;
60
61sub BODY_00_15() {
62my $magic = shift;
63$code.=<<___;
64 ldr $t2,[sp,#$Hoff+0] @ h.lo
65 ldr $t3,[sp,#$Hoff+4] @ h.hi
66 @ Sigma1(x) (ROTR((x),14) ^ ROTR((x),18) ^ ROTR((x),41))
67 @ LO lo>>14^hi<<18 ^ lo>>18^hi<<14 ^ hi>>9^lo<<23
68 @ HI hi>>14^lo<<18 ^ hi>>18^lo<<14 ^ lo>>9^hi<<23
69 mov $t0,$Elo,lsr#14
70 mov $t1,$Ehi,lsr#14
71 eor $t0,$t0,$Ehi,lsl#18
72 eor $t1,$t1,$Elo,lsl#18
73 eor $t0,$t0,$Elo,lsr#18
74 eor $t1,$t1,$Ehi,lsr#18
75 eor $t0,$t0,$Ehi,lsl#14
76 eor $t1,$t1,$Elo,lsl#14
77 eor $t0,$t0,$Ehi,lsr#9
78 eor $t1,$t1,$Elo,lsr#9
79 eor $t0,$t0,$Elo,lsl#23
80 eor $t1,$t1,$Ehi,lsl#23 @ Sigma1(e)
81 adds $Tlo,$Tlo,$t0
82 ldr $t0,[sp,#$Foff+0] @ f.lo
83 adc $Thi,$Thi,$t1 @ T += Sigma1(e)
84 ldr $t1,[sp,#$Foff+4] @ f.hi
85 adds $Tlo,$Tlo,$t2
86 ldr $t2,[sp,#$Goff+0] @ g.lo
87 adc $Thi,$Thi,$t3 @ T += h
88 ldr $t3,[sp,#$Goff+4] @ g.hi
89
90 eor $t0,$t0,$t2
91 str $Elo,[sp,#$Eoff+0]
92 eor $t1,$t1,$t3
93 str $Ehi,[sp,#$Eoff+4]
94 and $t0,$t0,$Elo
95 str $Alo,[sp,#$Aoff+0]
96 and $t1,$t1,$Ehi
97 str $Ahi,[sp,#$Aoff+4]
98 eor $t0,$t0,$t2
99 ldr $t2,[$Ktbl,#4] @ K[i].lo
100 eor $t1,$t1,$t3 @ Ch(e,f,g)
101 ldr $t3,[$Ktbl,#0] @ K[i].hi
102
103 adds $Tlo,$Tlo,$t0
104 ldr $Elo,[sp,#$Doff+0] @ d.lo
105 adc $Thi,$Thi,$t1 @ T += Ch(e,f,g)
106 ldr $Ehi,[sp,#$Doff+4] @ d.hi
107 adds $Tlo,$Tlo,$t2
108 adc $Thi,$Thi,$t3 @ T += K[i]
109 adds $Elo,$Elo,$Tlo
110 adc $Ehi,$Ehi,$Thi @ d += T
111
112 and $t0,$t2,#0xff
113 teq $t0,#$magic
114 orreq $Ktbl,$Ktbl,#1
115
116 ldr $t2,[sp,#$Boff+0] @ b.lo
117 ldr $t3,[sp,#$Coff+0] @ c.lo
118 @ Sigma0(x) (ROTR((x),28) ^ ROTR((x),34) ^ ROTR((x),39))
119 @ LO lo>>28^hi<<4 ^ hi>>2^lo<<30 ^ hi>>7^lo<<25
120 @ HI hi>>28^lo<<4 ^ lo>>2^hi<<30 ^ lo>>7^hi<<25
121 mov $t0,$Alo,lsr#28
122 mov $t1,$Ahi,lsr#28
123 eor $t0,$t0,$Ahi,lsl#4
124 eor $t1,$t1,$Alo,lsl#4
125 eor $t0,$t0,$Ahi,lsr#2
126 eor $t1,$t1,$Alo,lsr#2
127 eor $t0,$t0,$Alo,lsl#30
128 eor $t1,$t1,$Ahi,lsl#30
129 eor $t0,$t0,$Ahi,lsr#7
130 eor $t1,$t1,$Alo,lsr#7
131 eor $t0,$t0,$Alo,lsl#25
132 eor $t1,$t1,$Ahi,lsl#25 @ Sigma0(a)
133 adds $Tlo,$Tlo,$t0
134 adc $Thi,$Thi,$t1 @ T += Sigma0(a)
135
136 and $t0,$Alo,$t2
137 orr $Alo,$Alo,$t2
138 ldr $t1,[sp,#$Boff+4] @ b.hi
139 ldr $t2,[sp,#$Coff+4] @ c.hi
140 and $Alo,$Alo,$t3
141 orr $Alo,$Alo,$t0 @ Maj(a,b,c).lo
142 and $t3,$Ahi,$t1
143 orr $Ahi,$Ahi,$t1
144 and $Ahi,$Ahi,$t2
145 orr $Ahi,$Ahi,$t3 @ Maj(a,b,c).hi
146 adds $Alo,$Alo,$Tlo
147 adc $Ahi,$Ahi,$Thi @ h += T
148
149 sub sp,sp,#8
150 add $Ktbl,$Ktbl,#8
151___
152}
153$code=<<___;
154.text
155.code 32
156.type K512,%object
157.align 5
158K512:
159.word 0x428a2f98,0xd728ae22, 0x71374491,0x23ef65cd
160.word 0xb5c0fbcf,0xec4d3b2f, 0xe9b5dba5,0x8189dbbc
161.word 0x3956c25b,0xf348b538, 0x59f111f1,0xb605d019
162.word 0x923f82a4,0xaf194f9b, 0xab1c5ed5,0xda6d8118
163.word 0xd807aa98,0xa3030242, 0x12835b01,0x45706fbe
164.word 0x243185be,0x4ee4b28c, 0x550c7dc3,0xd5ffb4e2
165.word 0x72be5d74,0xf27b896f, 0x80deb1fe,0x3b1696b1
166.word 0x9bdc06a7,0x25c71235, 0xc19bf174,0xcf692694
167.word 0xe49b69c1,0x9ef14ad2, 0xefbe4786,0x384f25e3
168.word 0x0fc19dc6,0x8b8cd5b5, 0x240ca1cc,0x77ac9c65
169.word 0x2de92c6f,0x592b0275, 0x4a7484aa,0x6ea6e483
170.word 0x5cb0a9dc,0xbd41fbd4, 0x76f988da,0x831153b5
171.word 0x983e5152,0xee66dfab, 0xa831c66d,0x2db43210
172.word 0xb00327c8,0x98fb213f, 0xbf597fc7,0xbeef0ee4
173.word 0xc6e00bf3,0x3da88fc2, 0xd5a79147,0x930aa725
174.word 0x06ca6351,0xe003826f, 0x14292967,0x0a0e6e70
175.word 0x27b70a85,0x46d22ffc, 0x2e1b2138,0x5c26c926
176.word 0x4d2c6dfc,0x5ac42aed, 0x53380d13,0x9d95b3df
177.word 0x650a7354,0x8baf63de, 0x766a0abb,0x3c77b2a8
178.word 0x81c2c92e,0x47edaee6, 0x92722c85,0x1482353b
179.word 0xa2bfe8a1,0x4cf10364, 0xa81a664b,0xbc423001
180.word 0xc24b8b70,0xd0f89791, 0xc76c51a3,0x0654be30
181.word 0xd192e819,0xd6ef5218, 0xd6990624,0x5565a910
182.word 0xf40e3585,0x5771202a, 0x106aa070,0x32bbd1b8
183.word 0x19a4c116,0xb8d2d0c8, 0x1e376c08,0x5141ab53
184.word 0x2748774c,0xdf8eeb99, 0x34b0bcb5,0xe19b48a8
185.word 0x391c0cb3,0xc5c95a63, 0x4ed8aa4a,0xe3418acb
186.word 0x5b9cca4f,0x7763e373, 0x682e6ff3,0xd6b2b8a3
187.word 0x748f82ee,0x5defb2fc, 0x78a5636f,0x43172f60
188.word 0x84c87814,0xa1f0ab72, 0x8cc70208,0x1a6439ec
189.word 0x90befffa,0x23631e28, 0xa4506ceb,0xde82bde9
190.word 0xbef9a3f7,0xb2c67915, 0xc67178f2,0xe372532b
191.word 0xca273ece,0xea26619c, 0xd186b8c7,0x21c0c207
192.word 0xeada7dd6,0xcde0eb1e, 0xf57d4f7f,0xee6ed178
193.word 0x06f067aa,0x72176fba, 0x0a637dc5,0xa2c898a6
194.word 0x113f9804,0xbef90dae, 0x1b710b35,0x131c471b
195.word 0x28db77f5,0x23047d84, 0x32caab7b,0x40c72493
196.word 0x3c9ebe0a,0x15c9bebc, 0x431d67c4,0x9c100d4c
197.word 0x4cc5d4be,0xcb3e42b6, 0x597f299c,0xfc657e2a
198.word 0x5fcb6fab,0x3ad6faec, 0x6c44198c,0x4a475817
199.size K512,.-K512
200
201.global sha512_block_data_order
202.type sha512_block_data_order,%function
203sha512_block_data_order:
204 sub r3,pc,#8 @ sha512_block_data_order
205 add $len,$inp,$len,lsl#7 @ len to point at the end of inp
206 stmdb sp!,{r4-r12,lr}
207 sub $Ktbl,r3,#640 @ K512
208 sub sp,sp,#9*8
209
210 ldr $Elo,[$ctx,#$Eoff+$lo]
211 ldr $Ehi,[$ctx,#$Eoff+$hi]
212 ldr $t0, [$ctx,#$Goff+$lo]
213 ldr $t1, [$ctx,#$Goff+$hi]
214 ldr $t2, [$ctx,#$Hoff+$lo]
215 ldr $t3, [$ctx,#$Hoff+$hi]
216.Loop:
217 str $t0, [sp,#$Goff+0]
218 str $t1, [sp,#$Goff+4]
219 str $t2, [sp,#$Hoff+0]
220 str $t3, [sp,#$Hoff+4]
221 ldr $Alo,[$ctx,#$Aoff+$lo]
222 ldr $Ahi,[$ctx,#$Aoff+$hi]
223 ldr $Tlo,[$ctx,#$Boff+$lo]
224 ldr $Thi,[$ctx,#$Boff+$hi]
225 ldr $t0, [$ctx,#$Coff+$lo]
226 ldr $t1, [$ctx,#$Coff+$hi]
227 ldr $t2, [$ctx,#$Doff+$lo]
228 ldr $t3, [$ctx,#$Doff+$hi]
229 str $Tlo,[sp,#$Boff+0]
230 str $Thi,[sp,#$Boff+4]
231 str $t0, [sp,#$Coff+0]
232 str $t1, [sp,#$Coff+4]
233 str $t2, [sp,#$Doff+0]
234 str $t3, [sp,#$Doff+4]
235 ldr $Tlo,[$ctx,#$Foff+$lo]
236 ldr $Thi,[$ctx,#$Foff+$hi]
237 str $Tlo,[sp,#$Foff+0]
238 str $Thi,[sp,#$Foff+4]
239
240.L00_15:
241 ldrb $Tlo,[$inp,#7]
242 ldrb $t0, [$inp,#6]
243 ldrb $t1, [$inp,#5]
244 ldrb $t2, [$inp,#4]
245 ldrb $Thi,[$inp,#3]
246 ldrb $t3, [$inp,#2]
247 orr $Tlo,$Tlo,$t0,lsl#8
248 ldrb $t0, [$inp,#1]
249 orr $Tlo,$Tlo,$t1,lsl#16
250 ldrb $t1, [$inp],#8
251 orr $Tlo,$Tlo,$t2,lsl#24
252 orr $Thi,$Thi,$t3,lsl#8
253 orr $Thi,$Thi,$t0,lsl#16
254 orr $Thi,$Thi,$t1,lsl#24
255 str $Tlo,[sp,#$Xoff+0]
256 str $Thi,[sp,#$Xoff+4]
257___
258 &BODY_00_15(0x94);
259$code.=<<___;
260 tst $Ktbl,#1
261 beq .L00_15
262 bic $Ktbl,$Ktbl,#1
263
264.L16_79:
265 ldr $t0,[sp,#`$Xoff+8*(16-1)`+0]
266 ldr $t1,[sp,#`$Xoff+8*(16-1)`+4]
267 ldr $t2,[sp,#`$Xoff+8*(16-14)`+0]
268 ldr $t3,[sp,#`$Xoff+8*(16-14)`+4]
269
270 @ sigma0(x) (ROTR((x),1) ^ ROTR((x),8) ^ ((x)>>7))
271 @ LO lo>>1^hi<<31 ^ lo>>8^hi<<24 ^ lo>>7^hi<<25
272 @ HI hi>>1^lo<<31 ^ hi>>8^lo<<24 ^ hi>>7
273 mov $Tlo,$t0,lsr#1
274 mov $Thi,$t1,lsr#1
275 eor $Tlo,$Tlo,$t1,lsl#31
276 eor $Thi,$Thi,$t0,lsl#31
277 eor $Tlo,$Tlo,$t0,lsr#8
278 eor $Thi,$Thi,$t1,lsr#8
279 eor $Tlo,$Tlo,$t1,lsl#24
280 eor $Thi,$Thi,$t0,lsl#24
281 eor $Tlo,$Tlo,$t0,lsr#7
282 eor $Thi,$Thi,$t1,lsr#7
283 eor $Tlo,$Tlo,$t1,lsl#25
284
285 @ sigma1(x) (ROTR((x),19) ^ ROTR((x),61) ^ ((x)>>6))
286 @ LO lo>>19^hi<<13 ^ hi>>29^lo<<3 ^ lo>>6^hi<<26
287 @ HI hi>>19^lo<<13 ^ lo>>29^hi<<3 ^ hi>>6
288 mov $t0,$t2,lsr#19
289 mov $t1,$t3,lsr#19
290 eor $t0,$t0,$t3,lsl#13
291 eor $t1,$t1,$t2,lsl#13
292 eor $t0,$t0,$t3,lsr#29
293 eor $t1,$t1,$t2,lsr#29
294 eor $t0,$t0,$t2,lsl#3
295 eor $t1,$t1,$t3,lsl#3
296 eor $t0,$t0,$t2,lsr#6
297 eor $t1,$t1,$t3,lsr#6
298 eor $t0,$t0,$t3,lsl#26
299
300 ldr $t2,[sp,#`$Xoff+8*(16-9)`+0]
301 ldr $t3,[sp,#`$Xoff+8*(16-9)`+4]
302 adds $Tlo,$Tlo,$t0
303 adc $Thi,$Thi,$t1
304
305 ldr $t0,[sp,#`$Xoff+8*16`+0]
306 ldr $t1,[sp,#`$Xoff+8*16`+4]
307 adds $Tlo,$Tlo,$t2
308 adc $Thi,$Thi,$t3
309 adds $Tlo,$Tlo,$t0
310 adc $Thi,$Thi,$t1
311 str $Tlo,[sp,#$Xoff+0]
312 str $Thi,[sp,#$Xoff+4]
313___
314 &BODY_00_15(0x17);
315$code.=<<___;
316 tst $Ktbl,#1
317 beq .L16_79
318 bic $Ktbl,$Ktbl,#1
319
320 ldr $Tlo,[sp,#$Boff+0]
321 ldr $Thi,[sp,#$Boff+4]
322 ldr $t0, [$ctx,#$Aoff+$lo]
323 ldr $t1, [$ctx,#$Aoff+$hi]
324 ldr $t2, [$ctx,#$Boff+$lo]
325 ldr $t3, [$ctx,#$Boff+$hi]
326 adds $t0,$Alo,$t0
327 adc $t1,$Ahi,$t1
328 adds $t2,$Tlo,$t2
329 adc $t3,$Thi,$t3
330 str $t0, [$ctx,#$Aoff+$lo]
331 str $t1, [$ctx,#$Aoff+$hi]
332 str $t2, [$ctx,#$Boff+$lo]
333 str $t3, [$ctx,#$Boff+$hi]
334
335 ldr $Alo,[sp,#$Coff+0]
336 ldr $Ahi,[sp,#$Coff+4]
337 ldr $Tlo,[sp,#$Doff+0]
338 ldr $Thi,[sp,#$Doff+4]
339 ldr $t0, [$ctx,#$Coff+$lo]
340 ldr $t1, [$ctx,#$Coff+$hi]
341 ldr $t2, [$ctx,#$Doff+$lo]
342 ldr $t3, [$ctx,#$Doff+$hi]
343 adds $t0,$Alo,$t0
344 adc $t1,$Ahi,$t1
345 adds $t2,$Tlo,$t2
346 adc $t3,$Thi,$t3
347 str $t0, [$ctx,#$Coff+$lo]
348 str $t1, [$ctx,#$Coff+$hi]
349 str $t2, [$ctx,#$Doff+$lo]
350 str $t3, [$ctx,#$Doff+$hi]
351
352 ldr $Tlo,[sp,#$Foff+0]
353 ldr $Thi,[sp,#$Foff+4]
354 ldr $t0, [$ctx,#$Eoff+$lo]
355 ldr $t1, [$ctx,#$Eoff+$hi]
356 ldr $t2, [$ctx,#$Foff+$lo]
357 ldr $t3, [$ctx,#$Foff+$hi]
358 adds $Elo,$Elo,$t0
359 adc $Ehi,$Ehi,$t1
360 adds $t2,$Tlo,$t2
361 adc $t3,$Thi,$t3
362 str $Elo,[$ctx,#$Eoff+$lo]
363 str $Ehi,[$ctx,#$Eoff+$hi]
364 str $t2, [$ctx,#$Foff+$lo]
365 str $t3, [$ctx,#$Foff+$hi]
366
367 ldr $Alo,[sp,#$Goff+0]
368 ldr $Ahi,[sp,#$Goff+4]
369 ldr $Tlo,[sp,#$Hoff+0]
370 ldr $Thi,[sp,#$Hoff+4]
371 ldr $t0, [$ctx,#$Goff+$lo]
372 ldr $t1, [$ctx,#$Goff+$hi]
373 ldr $t2, [$ctx,#$Hoff+$lo]
374 ldr $t3, [$ctx,#$Hoff+$hi]
375 adds $t0,$Alo,$t0
376 adc $t1,$Ahi,$t1
377 adds $t2,$Tlo,$t2
378 adc $t3,$Thi,$t3
379 str $t0, [$ctx,#$Goff+$lo]
380 str $t1, [$ctx,#$Goff+$hi]
381 str $t2, [$ctx,#$Hoff+$lo]
382 str $t3, [$ctx,#$Hoff+$hi]
383
384 add sp,sp,#640
385 sub $Ktbl,$Ktbl,#640
386
387 teq $inp,$len
388 bne .Loop
389
390 add sp,sp,#8*9 @ destroy frame
391 ldmia sp!,{r4-r12,lr}
392 tst lr,#1
393 moveq pc,lr @ be binary compatible with V4, yet
394 bx lr @ interoperable with Thumb ISA:-)
395.size sha512_block_data_order,.-sha512_block_data_order
396.asciz "SHA512 block transform for ARMv4, CRYPTOGAMS by <appro\@openssl.org>"
397.align 2
398___
399
400$code =~ s/\`([^\`]*)\`/eval $1/gem;
401$code =~ s/\bbx\s+lr\b/.word\t0xe12fff1e/gm; # make it possible to compile with -march=armv4
402print $code;
403close STDOUT; # enforce flush
generated by cgit v1.2.3-55-g6feb (git 2.39.1) at 2025-11-24 06:34:54 +0000