3 # ====================================================================
4 # Written by Andy Polyakov <appro@openssl.org> 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 # ====================================================================
12 # This is AESNI-CBC+SHA1 "stitch" implementation. The idea, as spelled
13 # in http://download.intel.com/design/intarch/papers/323686.pdf, is
14 # that since AESNI-CBC encrypt exhibit *very* low instruction-level
15 # parallelism, interleaving it with another algorithm would allow to
16 # utilize processor resources better and achieve better performance.
17 # SHA1 instruction sequences(*) are taken from sha1-x86_64.pl and
18 # AESNI code is weaved into it. Below are performance numbers in
19 # cycles per processed byte, less is better, for standalone AESNI-CBC
20 # encrypt, sum of the latter and standalone SHA1, and "stitched"
23 # AES-128-CBC +SHA1 stitch gain
24 # Westmere 3.77[+5.3] 9.07 6.55 +38%
25 # Sandy Bridge 5.05[+5.0(6.1)] 10.06(11.15) 5.98(7.05) +68%(+58%)
26 # Ivy Bridge 5.05[+4.6] 9.65 5.54 +74%
27 # Haswell 4.43[+3.6(4.2)] 8.00(8.58) 4.55(5.21) +75%(+65%)
28 # Bulldozer 5.77[+6.0] 11.72 6.37 +84%
31 # Westmere 4.51 9.81 6.80 +44%
32 # Sandy Bridge 6.05 11.06(12.15) 6.11(7.19) +81%(+69%)
33 # Ivy Bridge 6.05 10.65 6.07 +75%
34 # Haswell 5.29 8.86(9.44) 5.32(5.32) +67%(+77%)
35 # Bulldozer 6.89 12.84 6.96 +84%
38 # Westmere 5.25 10.55 7.21 +46%
39 # Sandy Bridge 7.05 12.06(13.15) 7.12(7.72) +69%(+70%)
40 # Ivy Bridge 7.05 11.65 7.12 +64%
41 # Haswell 6.19 9.76(10.34) 6.21(6.25) +57%(+65%)
42 # Bulldozer 8.00 13.95 8.25 +69%
44 # (*) There are two code paths: SSSE3 and AVX. See sha1-568.pl for
45 # background information. Above numbers in parentheses are SSSE3
46 # results collected on AVX-capable CPU, i.e. apply on OSes that
49 # Needless to mention that it makes no sense to implement "stitched"
50 # *decrypt* subroutine. Because *both* AESNI-CBC decrypt and SHA1
51 # fully utilize parallelism, so stitching would not give any gain
52 # anyway. Well, there might be some, e.g. because of better cache
53 # locality... For reference, here are performance results for
54 # standalone AESNI-CBC decrypt:
56 # AES-128-CBC AES-192-CBC AES-256-CBC
57 # Westmere 1.25 1.50 1.75
58 # Sandy Bridge 0.74 0.91 1.09
59 # Ivy Bridge 0.74 0.90 1.11
60 # Haswell 0.63 0.76 0.88
61 # Bulldozer 0.70 0.85 0.99
65 # AES-256-CBC +SHA1 stitch gain
66 # Westmere 1.75 7.20 6.68 +7.8%
67 # Sandy Bridge 1.09 6.09(7.22) 5.82(6.95) +4.6%(+3.9%)
68 # Ivy Bridge 1.11 5.70 5.45 +4.6%
69 # Haswell 0.88 4.45(5.00) 4.39(4.69) +1.4%(*)(+6.6%)
70 # Bulldozer 0.99 6.95 5.95 +17%(**)
72 # (*) Tiny improvement coefficient on Haswell is because we compare
73 # AVX1 stitch to sum with AVX2 SHA1.
74 # (**) Execution is fully dominated by integer code sequence and
75 # SIMD still hardly shows [in single-process benchmark;-]
79 if ($flavour =~ /\./) { $output = $flavour; undef $flavour; }
81 $win64=0; $win64=1 if ($flavour =~ /[nm]asm|mingw64/ || $output =~ /\.asm$/);
83 $0 =~ m/(.*[\/\\])[^\
/\\]+$/; $dir=$1;
84 ( $xlate="${dir}x86_64-xlate.pl" and -f
$xlate ) or
85 ( $xlate="${dir}../../perlasm/x86_64-xlate.pl" and -f
$xlate) or
86 die "can't locate x86_64-xlate.pl";
88 $avx=1 if (`$ENV{CC} -Wa,-v -c -o /dev/null -x assembler /dev/null 2>&1`
89 =~ /GNU assembler version ([2-9]\.[0-9]+)/ &&
91 $avx=1 if (!$avx && $win64 && ($flavour =~ /nasm/ || $ENV{ASM
} =~ /nasm/) &&
92 `nasm -v 2>&1` =~ /NASM version ([2-9]\.[0-9]+)/ &&
94 $avx=1 if (!$avx && $win64 && ($flavour =~ /masm/ || $ENV{ASM
} =~ /ml64/) &&
95 `ml64 2>&1` =~ /Version ([0-9]+)\./ &&
97 $avx=1 if (!$avx && `$ENV{CC} -v 2>&1` =~ /((?:^clang|LLVM) version|.*based on LLVM) ([3-9]\.[0-9]+)/ && $2>=3.0);
99 $shaext=1; ### set to zero if compiling for 1.0.1
103 open OUT
,"| \"$^X\" $xlate $flavour $output";
106 # void aesni_cbc_sha1_enc(const void *inp,
109 # const AES_KEY *key,
116 .extern OPENSSL_ia32cap_P
118 .globl aesni_cbc_sha1_enc
119 .type aesni_cbc_sha1_enc
,\
@abi-omnipotent
122 # caller should check for SSSE3 and AES-NI bits
123 mov OPENSSL_ia32cap_P
+0(%rip),%r10d
124 mov OPENSSL_ia32cap_P
+4(%rip),%r11
126 $code.=<<___
if ($shaext);
127 bt \
$61,%r11 # check SHA bit
128 jc aesni_cbc_sha1_enc_shaext
130 $code.=<<___
if ($avx);
131 and \
$`1<<28`,%r11d # mask AVX bit
132 and \
$`1<<30`,%r10d # mask "Intel CPU" bit
134 cmp \
$`1<<28|1<<30`,%r10d
135 je aesni_cbc_sha1_enc_avx
138 jmp aesni_cbc_sha1_enc_ssse3
140 .size aesni_cbc_sha1_enc
,.-aesni_cbc_sha1_enc
143 my ($in0,$out,$len,$key,$ivp,$ctx,$inp)=("%rdi","%rsi","%rdx","%rcx","%r8","%r9","%r10");
146 my @X=map("%xmm$_",(4..7,0..3));
147 my @Tx=map("%xmm$_",(8..10));
148 my @V=($A,$B,$C,$D,$E)=("%eax","%ebx","%ecx","%edx","%ebp"); # size optimization
149 my @T=("%esi","%edi");
150 my $j=0; my $jj=0; my $r=0; my $sn=0; my $rx=0;
152 my ($rndkey0,$iv,$in)=map("%xmm$_",(11..13)); # for enc
153 my @rndkey=("%xmm14","%xmm15"); # for enc
154 my ($inout0,$inout1,$inout2,$inout3)=map("%xmm$_",(12..15)); # for dec
156 if (1) { # reassign for Atom Silvermont
157 # The goal is to minimize amount of instructions with more than
158 # 3 prefix bytes. Or in more practical terms to keep AES-NI *and*
159 # SSSE3 instructions to upper half of the register bank.
160 @X=map("%xmm$_",(8..11,4..7));
161 @Tx=map("%xmm$_",(12,13,3));
162 ($iv,$in,$rndkey0)=map("%xmm$_",(2,14,15));
163 @rndkey=("%xmm0","%xmm1");
166 sub AUTOLOAD
() # thunk [simplified] 32-bit style perlasm
167 { my $opcode = $AUTOLOAD; $opcode =~ s/.*:://;
169 $arg = "\$$arg" if ($arg*1 eq $arg);
170 $code .= "\t$opcode\t".join(',',$arg,reverse @_)."\n";
173 my $_rol=sub { &rol
(@_) };
174 my $_ror=sub { &ror
(@_) };
177 .type aesni_cbc_sha1_enc_ssse3
,\
@function,6
179 aesni_cbc_sha1_enc_ssse3
:
180 mov
`($win64?56:8)`(%rsp),$inp # load 7th argument
181 #shr \$6,$len # debugging artefact
182 #jz .Lepilogue_ssse3 # debugging artefact
189 lea
`-104-($win64?10*16:0)`(%rsp),%rsp
190 #mov $in0,$inp # debugging artefact
191 #lea 64(%rsp),$ctx # debugging artefact
193 $code.=<<___
if ($win64);
194 movaps
%xmm6,96+0(%rsp)
195 movaps
%xmm7,96+16(%rsp)
196 movaps
%xmm8,96+32(%rsp)
197 movaps
%xmm9,96+48(%rsp)
198 movaps
%xmm10,96+64(%rsp)
199 movaps
%xmm11,96+80(%rsp)
200 movaps
%xmm12,96+96(%rsp)
201 movaps
%xmm13,96+112(%rsp)
202 movaps
%xmm14,96+128(%rsp)
203 movaps
%xmm15,96+144(%rsp)
207 mov
$in0,%r12 # reassign arguments
210 lea
112($key),%r15 # size optimization
211 movdqu
($ivp),$iv # load IV
212 mov
$ivp,88(%rsp) # save $ivp
214 ($in0,$out,$len,$key)=map("%r$_",(12..15)); # reassign arguments
215 my $rounds="${ivp}d";
219 mov
240-112($key),$rounds
220 add
$inp,$len # end of input
222 lea K_XX_XX
(%rip),$K_XX_XX
223 mov
0($ctx),$A # load context
227 mov
$B,@T[0] # magic seed
233 movdqa
64($K_XX_XX),@Tx[2] # pbswap mask
234 movdqa
0($K_XX_XX),@Tx[1] # K_00_19
235 movdqu
0($inp),@X[-4&7] # load input to %xmm[0-3]
236 movdqu
16($inp),@X[-3&7]
237 movdqu
32($inp),@X[-2&7]
238 movdqu
48($inp),@X[-1&7]
239 pshufb
@Tx[2],@X[-4&7] # byte swap
240 pshufb
@Tx[2],@X[-3&7]
241 pshufb
@Tx[2],@X[-2&7]
243 paddd
@Tx[1],@X[-4&7] # add K_00_19
244 pshufb
@Tx[2],@X[-1&7]
245 paddd
@Tx[1],@X[-3&7]
246 paddd
@Tx[1],@X[-2&7]
247 movdqa
@X[-4&7],0(%rsp) # X[]+K xfer to IALU
248 psubd
@Tx[1],@X[-4&7] # restore X[]
249 movdqa
@X[-3&7],16(%rsp)
250 psubd
@Tx[1],@X[-3&7]
251 movdqa
@X[-2&7],32(%rsp)
252 psubd
@Tx[1],@X[-2&7]
253 movups
-112($key),$rndkey0 # $key[0]
254 movups
16-112($key),$rndkey[0] # forward reference
260 my ($n,$k)=($r/10,$r%10);
263 movups
`16*$n`($in0),$in # load input
266 $code.=<<___
if ($n);
267 movups
$iv,`16*($n-1)`($out,$in0) # write output
271 movups
`32+16*$k-112`($key),$rndkey[1]
272 aesenc
$rndkey[0],$iv
279 movups
`32+16*($k+0)-112`($key),$rndkey[1]
280 aesenc
$rndkey[0],$iv
281 movups
`32+16*($k+1)-112`($key),$rndkey[0]
282 aesenc
$rndkey[1],$iv
284 movups
`32+16*($k+2)-112`($key),$rndkey[1]
285 aesenc
$rndkey[0],$iv
286 movups
`32+16*($k+3)-112`($key),$rndkey[0]
287 aesenc
$rndkey[1],$iv
289 aesenclast
$rndkey[0],$iv
290 movups
16-112($key),$rndkey[1] # forward reference
294 movups
`32+16*$k-112`($key),$rndkey[1]
295 aesenc
$rndkey[0],$iv
298 $r++; unshift(@rndkey,pop(@rndkey));
301 sub Xupdate_ssse3_16_31
() # recall that $Xi starts wtih 4
304 my @insns = (&$body,&$body,&$body,&$body); # 40 instructions
307 eval(shift(@insns)); # ror
308 &pshufd
(@X[0],@X[-4&7],0xee); # was &movdqa (@X[0],@X[-3&7]);
310 &movdqa
(@Tx[0],@X[-1&7]);
311 &paddd
(@Tx[1],@X[-1&7]);
315 &punpcklqdq
(@X[0],@X[-3&7]); # compose "X[-14]" in "X[0]", was &palignr(@X[0],@X[-4&7],8);
317 eval(shift(@insns)); # rol
319 &psrldq
(@Tx[0],4); # "X[-3]", 3 dwords
323 &pxor
(@X[0],@X[-4&7]); # "X[0]"^="X[-16]"
325 eval(shift(@insns)); # ror
326 &pxor
(@Tx[0],@X[-2&7]); # "X[-3]"^"X[-8]"
331 &pxor
(@X[0],@Tx[0]); # "X[0]"^="X[-3]"^"X[-8]"
333 eval(shift(@insns)); # rol
334 &movdqa
(eval(16*(($Xi-1)&3))."(%rsp)",@Tx[1]); # X[]+K xfer to IALU
338 &movdqa
(@Tx[2],@X[0]);
341 eval(shift(@insns)); # ror
342 &movdqa
(@Tx[0],@X[0]);
345 &pslldq
(@Tx[2],12); # "X[0]"<<96, extract one dword
346 &paddd
(@X[0],@X[0]);
352 eval(shift(@insns)); # rol
354 &movdqa
(@Tx[1],@Tx[2]);
360 eval(shift(@insns)); # ror
361 &por
(@X[0],@Tx[0]); # "X[0]"<<<=1
367 &pxor
(@X[0],@Tx[2]);
369 &movdqa
(@Tx[2],eval(16*(($Xi)/5))."($K_XX_XX)"); # K_XX_XX
370 eval(shift(@insns)); # rol
374 &pxor
(@X[0],@Tx[1]); # "X[0]"^=("X[0]">>96)<<<2
375 &pshufd
(@Tx[1],@X[-1&7],0xee) if ($Xi==7); # was &movdqa (@Tx[0],@X[-1&7]) in Xupdate_ssse3_32_79
377 foreach (@insns) { eval; } # remaining instructions [if any]
379 $Xi++; push(@X,shift(@X)); # "rotate" X[]
380 push(@Tx,shift(@Tx));
383 sub Xupdate_ssse3_32_79
()
386 my @insns = (&$body,&$body,&$body,&$body); # 32 to 44 instructions
389 eval(shift(@insns)) if ($Xi==8);
390 &pxor
(@X[0],@X[-4&7]); # "X[0]"="X[-32]"^"X[-16]"
391 eval(shift(@insns)) if ($Xi==8);
392 eval(shift(@insns)); # body_20_39
394 eval(shift(@insns)) if (@insns[1] =~ /_ror/);
395 eval(shift(@insns)) if (@insns[0] =~ /_ror/);
396 &punpcklqdq
(@Tx[0],@X[-1&7]); # compose "X[-6]", was &palignr(@Tx[0],@X[-2&7],8);
398 eval(shift(@insns)); # rol
400 &pxor
(@X[0],@X[-7&7]); # "X[0]"^="X[-28]"
404 &movdqa
(@Tx[2],@Tx[1]);# "perpetuate" K_XX_XX...
405 } else { # ... or load next one
406 &movdqa
(@Tx[2],eval(16*($Xi/5))."($K_XX_XX)");
408 eval(shift(@insns)); # ror
409 &paddd
(@Tx[1],@X[-1&7]);
412 &pxor
(@X[0],@Tx[0]); # "X[0]"^="X[-6]"
413 eval(shift(@insns)); # body_20_39
416 eval(shift(@insns)); # rol
417 eval(shift(@insns)) if (@insns[0] =~ /_ror/);
419 &movdqa
(@Tx[0],@X[0]);
422 &movdqa
(eval(16*(($Xi-1)&3))."(%rsp)",@Tx[1]); # X[]+K xfer to IALU
423 eval(shift(@insns)); # ror
425 eval(shift(@insns)); # body_20_39
431 eval(shift(@insns)) if (@insns[0] =~ /_rol/);# rol
434 eval(shift(@insns)); # ror
436 &por
(@X[0],@Tx[0]); # "X[0]"<<<=2
438 eval(shift(@insns)); # body_20_39
439 eval(shift(@insns)) if (@insns[1] =~ /_rol/);
440 eval(shift(@insns)) if (@insns[0] =~ /_rol/);
441 &pshufd
(@Tx[1],@X[-1&7],0xee) if ($Xi<19); # was &movdqa (@Tx[1],@X[0])
443 eval(shift(@insns)); # rol
446 eval(shift(@insns)); # rol
449 foreach (@insns) { eval; } # remaining instructions
451 $Xi++; push(@X,shift(@X)); # "rotate" X[]
452 push(@Tx,shift(@Tx));
455 sub Xuplast_ssse3_80
()
458 my @insns = (&$body,&$body,&$body,&$body); # 32 instructions
465 &paddd
(@Tx[1],@X[-1&7]);
469 &movdqa
(eval(16*(($Xi-1)&3))."(%rsp)",@Tx[1]); # X[]+K xfer IALU
471 foreach (@insns) { eval; } # remaining instructions
476 unshift(@Tx,pop(@Tx));
478 &movdqa
(@Tx[2],"64($K_XX_XX)"); # pbswap mask
479 &movdqa
(@Tx[1],"0($K_XX_XX)"); # K_00_19
480 &movdqu
(@X[-4&7],"0($inp)"); # load input
481 &movdqu
(@X[-3&7],"16($inp)");
482 &movdqu
(@X[-2&7],"32($inp)");
483 &movdqu
(@X[-1&7],"48($inp)");
484 &pshufb
(@X[-4&7],@Tx[2]); # byte swap
493 my @insns = (&$body,&$body,&$body,&$body); # 32 instructions
499 &pshufb
(@X[($Xi-3)&7],@Tx[2]);
504 &paddd
(@X[($Xi-4)&7],@Tx[1]);
509 &movdqa
(eval(16*$Xi)."(%rsp)",@X[($Xi-4)&7]); # X[]+K xfer to IALU
514 &psubd
(@X[($Xi-4)&7],@Tx[1]);
516 foreach (@insns) { eval; }
523 my @insns = (&$body,&$body,&$body,&$body); # 32 instructions
526 foreach (@insns) { eval; }
530 '($a,$b,$c,$d,$e)=@V;'.
531 '&$_ror ($b,$j?7:2);', # $b>>>2
533 '&mov (@T[1],$a);', # $b for next round
535 '&add ($e,eval(4*($j&15))."(%rsp)");',# X[]+K xfer
536 '&xor ($b,$c);', # $c^$d for next round
540 '&and (@T[1],$b);', # ($b&($c^$d)) for next round
542 '&xor ($b,$c);', # restore $b
543 '&add ($e,$a);' .'$j++; unshift(@V,pop(@V)); unshift(@T,pop(@T));'
546 sub body_00_19
() { # ((c^d)&b)^d
547 # on start @T[0]=(c^d)&b
548 return &body_20_39
() if ($rx==19); $rx++;
555 $k = (($jj+1)*12/20)*20*$n/12; # 12 aesencs per these 20 rounds
556 @r[$k%$n].='&$aesenc();' if ($jj==$k/$n);
563 '($a,$b,$c,$d,$e)=@V;'.
564 '&add ($e,eval(4*($j&15))."(%rsp)");',# X[]+K xfer
565 '&xor (@T[0],$d) if($j==19);'.
566 '&xor (@T[0],$c) if($j> 19);', # ($b^$d^$c)
567 '&mov (@T[1],$a);', # $b for next round
571 '&xor (@T[1],$c) if ($j< 79);', # $b^$d for next round
573 '&$_ror ($b,7);', # $b>>>2
574 '&add ($e,$a);' .'$j++; unshift(@V,pop(@V)); unshift(@T,pop(@T));'
577 sub body_20_39
() { # b^d^c
579 return &body_40_59
() if ($rx==39); $rx++;
586 $k = (($jj+1)*8/20)*20*$n/8; # 8 aesencs per these 20 rounds
587 @r[$k%$n].='&$aesenc();' if ($jj==$k/$n && $rx!=20);
594 '($a,$b,$c,$d,$e)=@V;'.
595 '&add ($e,eval(4*($j&15))."(%rsp)");',# X[]+K xfer
596 '&and (@T[0],$c) if ($j>=40);', # (b^c)&(c^d)
597 '&xor ($c,$d) if ($j>=40);', # restore $c
599 '&$_ror ($b,7);', # $b>>>2
600 '&mov (@T[1],$a);', # $b for next round
605 '&xor (@T[1],$c) if ($j==59);'.
606 '&xor (@T[1],$b) if ($j< 59);', # b^c for next round
608 '&xor ($b,$c) if ($j< 59);', # c^d for next round
609 '&add ($e,$a);' .'$j++; unshift(@V,pop(@V)); unshift(@T,pop(@T));'
612 sub body_40_59
() { # ((b^c)&(c^d))^c
613 # on entry @T[0]=(b^c), (c^=d)
621 $k=(($jj+1)*12/20)*20*$n/12; # 12 aesencs per these 20 rounds
622 @r[$k%$n].='&$aesenc();' if ($jj==$k/$n && $rx!=40);
631 &Xupdate_ssse3_16_31
(\
&body_00_19
);
632 &Xupdate_ssse3_16_31
(\
&body_00_19
);
633 &Xupdate_ssse3_16_31
(\
&body_00_19
);
634 &Xupdate_ssse3_16_31
(\
&body_00_19
);
635 &Xupdate_ssse3_32_79
(\
&body_00_19
);
636 &Xupdate_ssse3_32_79
(\
&body_20_39
);
637 &Xupdate_ssse3_32_79
(\
&body_20_39
);
638 &Xupdate_ssse3_32_79
(\
&body_20_39
);
639 &Xupdate_ssse3_32_79
(\
&body_20_39
);
640 &Xupdate_ssse3_32_79
(\
&body_20_39
);
641 &Xupdate_ssse3_32_79
(\
&body_40_59
);
642 &Xupdate_ssse3_32_79
(\
&body_40_59
);
643 &Xupdate_ssse3_32_79
(\
&body_40_59
);
644 &Xupdate_ssse3_32_79
(\
&body_40_59
);
645 &Xupdate_ssse3_32_79
(\
&body_40_59
);
646 &Xupdate_ssse3_32_79
(\
&body_20_39
);
647 &Xuplast_ssse3_80
(\
&body_20_39
,".Ldone_ssse3"); # can jump to "done"
649 $saved_j=$j; @saved_V=@V;
650 $saved_r=$r; @saved_rndkey=@rndkey;
652 &Xloop_ssse3
(\
&body_20_39
);
653 &Xloop_ssse3
(\
&body_20_39
);
654 &Xloop_ssse3
(\
&body_20_39
);
657 movups
$iv,48($out,$in0) # write output
660 add
0($ctx),$A # update context
667 mov
@T[0],$B # magic seed
678 $jj=$j=$saved_j; @V=@saved_V;
679 $r=$saved_r; @rndkey=@saved_rndkey;
681 &Xtail_ssse3
(\
&body_20_39
);
682 &Xtail_ssse3
(\
&body_20_39
);
683 &Xtail_ssse3
(\
&body_20_39
);
686 movups
$iv,48($out,$in0) # write output
687 mov
88(%rsp),$ivp # restore $ivp
689 add
0($ctx),$A # update context
699 movups
$iv,($ivp) # write IV
701 $code.=<<___
if ($win64);
702 movaps
96+0(%rsp),%xmm6
703 movaps
96+16(%rsp),%xmm7
704 movaps
96+32(%rsp),%xmm8
705 movaps
96+48(%rsp),%xmm9
706 movaps
96+64(%rsp),%xmm10
707 movaps
96+80(%rsp),%xmm11
708 movaps
96+96(%rsp),%xmm12
709 movaps
96+112(%rsp),%xmm13
710 movaps
96+128(%rsp),%xmm14
711 movaps
96+144(%rsp),%xmm15
714 lea
`104+($win64?10*16:0)`(%rsp),%rsi
724 .size aesni_cbc_sha1_enc_ssse3
,.-aesni_cbc_sha1_enc_ssse3
727 if ($stitched_decrypt) {{{
729 ($in0,$out,$len,$key,$ivp,$ctx,$inp)=("%rdi","%rsi","%rdx","%rcx","%r8","%r9","%r10");
733 # reassign for Atom Silvermont (see above)
734 ($inout0,$inout1,$inout2,$inout3,$rndkey0)=map("%xmm$_",(0..4));
735 @X=map("%xmm$_",(8..13,6,7));
736 @Tx=map("%xmm$_",(14,15,5));
739 '&movdqu($inout0,"0x00($in0)");',
740 '&movdqu($inout1,"0x10($in0)"); &pxor ($inout0,$rndkey0);',
741 '&movdqu($inout2,"0x20($in0)"); &pxor ($inout1,$rndkey0);',
742 '&movdqu($inout3,"0x30($in0)"); &pxor ($inout2,$rndkey0);',
744 '&pxor ($inout3,$rndkey0); &movups ($rndkey0,"16-112($key)");',
745 '&movaps("64(%rsp)",@X[2]);', # save IV, originally @X[3]
748 for ($i=0;$i<13;$i++) {
750 '&aesdec ($inout0,$rndkey0);',
751 '&aesdec ($inout1,$rndkey0);',
752 '&aesdec ($inout2,$rndkey0);',
753 '&aesdec ($inout3,$rndkey0); &movups($rndkey0,"'.(16*($i+2)-112).'($key)");'
755 push (@aes256_dec,(undef,undef)) if (($i>=3 && $i<=5) || $i>=11);
756 push (@aes256_dec,(undef,undef)) if ($i==5);
759 '&aesdeclast ($inout0,$rndkey0); &movups (@X[0],"0x00($in0)");',
760 '&aesdeclast ($inout1,$rndkey0); &movups (@X[1],"0x10($in0)");',
761 '&aesdeclast ($inout2,$rndkey0); &movups (@X[2],"0x20($in0)");',
762 '&aesdeclast ($inout3,$rndkey0); &movups (@X[3],"0x30($in0)");',
764 '&xorps ($inout0,"64(%rsp)"); &movdqu ($rndkey0,"-112($key)");',
765 '&xorps ($inout1,@X[0]); &movups ("0x00($out,$in0)",$inout0);',
766 '&xorps ($inout2,@X[1]); &movups ("0x10($out,$in0)",$inout1);',
767 '&xorps ($inout3,@X[2]); &movups ("0x20($out,$in0)",$inout2);',
769 '&movups ("0x30($out,$in0)",$inout3);'
772 sub body_00_19_dec
() { # ((c^d)&b)^d
773 # on start @T[0]=(c^d)&b
774 return &body_20_39_dec
() if ($rx==19);
778 unshift (@r,@aes256_dec[$rx]) if (@aes256_dec[$rx]);
784 sub body_20_39_dec
() { # b^d^c
786 return &body_40_59_dec
() if ($rx==39);
790 unshift (@r,@aes256_dec[$rx]) if (@aes256_dec[$rx]);
796 sub body_40_59_dec
() { # ((b^c)&(c^d))^c
797 # on entry @T[0]=(b^c), (c^=d)
801 unshift (@r,@aes256_dec[$rx]) if (@aes256_dec[$rx]);
808 .globl aesni256_cbc_sha1_dec
809 .type aesni256_cbc_sha1_dec
,\
@abi-omnipotent
811 aesni256_cbc_sha1_dec
:
812 # caller should check for SSSE3 and AES-NI bits
813 mov OPENSSL_ia32cap_P
+0(%rip),%r10d
814 mov OPENSSL_ia32cap_P
+4(%rip),%r11d
816 $code.=<<___
if ($avx);
817 and \
$`1<<28`,%r11d # mask AVX bit
818 and \
$`1<<30`,%r10d # mask "Intel CPU" bit
820 cmp \
$`1<<28|1<<30`,%r10d
821 je aesni256_cbc_sha1_dec_avx
824 jmp aesni256_cbc_sha1_dec_ssse3
826 .size aesni256_cbc_sha1_dec
,.-aesni256_cbc_sha1_dec
828 .type aesni256_cbc_sha1_dec_ssse3
,\
@function,6
830 aesni256_cbc_sha1_dec_ssse3
:
831 mov
`($win64?56:8)`(%rsp),$inp # load 7th argument
838 lea
`-104-($win64?10*16:0)`(%rsp),%rsp
840 $code.=<<___
if ($win64);
841 movaps
%xmm6,96+0(%rsp)
842 movaps
%xmm7,96+16(%rsp)
843 movaps
%xmm8,96+32(%rsp)
844 movaps
%xmm9,96+48(%rsp)
845 movaps
%xmm10,96+64(%rsp)
846 movaps
%xmm11,96+80(%rsp)
847 movaps
%xmm12,96+96(%rsp)
848 movaps
%xmm13,96+112(%rsp)
849 movaps
%xmm14,96+128(%rsp)
850 movaps
%xmm15,96+144(%rsp)
851 .Lprologue_dec_ssse3
:
854 mov
$in0,%r12 # reassign arguments
857 lea
112($key),%r15 # size optimization
858 movdqu
($ivp),@X[3] # load IV
859 #mov $ivp,88(%rsp) # save $ivp
861 ($in0,$out,$len,$key)=map("%r$_",(12..15)); # reassign arguments
865 add
$inp,$len # end of input
867 lea K_XX_XX
(%rip),$K_XX_XX
868 mov
0($ctx),$A # load context
872 mov
$B,@T[0] # magic seed
878 movdqa
64($K_XX_XX),@Tx[2] # pbswap mask
879 movdqa
0($K_XX_XX),@Tx[1] # K_00_19
880 movdqu
0($inp),@X[-4&7] # load input to %xmm[0-3]
881 movdqu
16($inp),@X[-3&7]
882 movdqu
32($inp),@X[-2&7]
883 movdqu
48($inp),@X[-1&7]
884 pshufb
@Tx[2],@X[-4&7] # byte swap
886 pshufb
@Tx[2],@X[-3&7]
887 pshufb
@Tx[2],@X[-2&7]
888 pshufb
@Tx[2],@X[-1&7]
889 paddd
@Tx[1],@X[-4&7] # add K_00_19
890 paddd
@Tx[1],@X[-3&7]
891 paddd
@Tx[1],@X[-2&7]
892 movdqa
@X[-4&7],0(%rsp) # X[]+K xfer to IALU
893 psubd
@Tx[1],@X[-4&7] # restore X[]
894 movdqa
@X[-3&7],16(%rsp)
895 psubd
@Tx[1],@X[-3&7]
896 movdqa
@X[-2&7],32(%rsp)
897 psubd
@Tx[1],@X[-2&7]
898 movdqu
-112($key),$rndkey0 # $key[0]
904 &Xupdate_ssse3_16_31
(\
&body_00_19_dec
);
905 &Xupdate_ssse3_16_31
(\
&body_00_19_dec
);
906 &Xupdate_ssse3_16_31
(\
&body_00_19_dec
);
907 &Xupdate_ssse3_16_31
(\
&body_00_19_dec
);
908 &Xupdate_ssse3_32_79
(\
&body_00_19_dec
);
909 &Xupdate_ssse3_32_79
(\
&body_20_39_dec
);
910 &Xupdate_ssse3_32_79
(\
&body_20_39_dec
);
911 &Xupdate_ssse3_32_79
(\
&body_20_39_dec
);
912 &Xupdate_ssse3_32_79
(\
&body_20_39_dec
);
913 &Xupdate_ssse3_32_79
(\
&body_20_39_dec
);
914 &Xupdate_ssse3_32_79
(\
&body_40_59_dec
);
915 &Xupdate_ssse3_32_79
(\
&body_40_59_dec
);
916 &Xupdate_ssse3_32_79
(\
&body_40_59_dec
);
917 &Xupdate_ssse3_32_79
(\
&body_40_59_dec
);
918 &Xupdate_ssse3_32_79
(\
&body_40_59_dec
);
919 &Xupdate_ssse3_32_79
(\
&body_20_39_dec
);
920 &Xuplast_ssse3_80
(\
&body_20_39_dec
,".Ldone_dec_ssse3"); # can jump to "done"
922 $saved_j=$j; @saved_V=@V;
925 &Xloop_ssse3
(\
&body_20_39_dec
);
926 &Xloop_ssse3
(\
&body_20_39_dec
);
927 &Xloop_ssse3
(\
&body_20_39_dec
);
929 eval(@aes256_dec[-1]); # last store
933 add
0($ctx),$A # update context
940 mov
@T[0],$B # magic seed
951 $jj=$j=$saved_j; @V=@saved_V;
954 &Xtail_ssse3
(\
&body_20_39_dec
);
955 &Xtail_ssse3
(\
&body_20_39_dec
);
956 &Xtail_ssse3
(\
&body_20_39_dec
);
958 eval(@aes256_dec[-1]); # last store
960 add
0($ctx),$A # update context
970 movups
@X[3],($ivp) # write IV
972 $code.=<<___
if ($win64);
973 movaps
96+0(%rsp),%xmm6
974 movaps
96+16(%rsp),%xmm7
975 movaps
96+32(%rsp),%xmm8
976 movaps
96+48(%rsp),%xmm9
977 movaps
96+64(%rsp),%xmm10
978 movaps
96+80(%rsp),%xmm11
979 movaps
96+96(%rsp),%xmm12
980 movaps
96+112(%rsp),%xmm13
981 movaps
96+128(%rsp),%xmm14
982 movaps
96+144(%rsp),%xmm15
985 lea
`104+($win64?10*16:0)`(%rsp),%rsi
993 .Lepilogue_dec_ssse3
:
995 .size aesni256_cbc_sha1_dec_ssse3
,.-aesni256_cbc_sha1_dec_ssse3
1001 my ($in0,$out,$len,$key,$ivp,$ctx,$inp)=("%rdi","%rsi","%rdx","%rcx","%r8","%r9","%r10");
1004 my @X=map("%xmm$_",(4..7,0..3));
1005 my @Tx=map("%xmm$_",(8..10));
1006 my @V=($A,$B,$C,$D,$E)=("%eax","%ebx","%ecx","%edx","%ebp"); # size optimization
1007 my @T=("%esi","%edi");
1008 my ($rndkey0,$iv,$in)=map("%xmm$_",(11..13));
1009 my @rndkey=("%xmm14","%xmm15");
1010 my ($inout0,$inout1,$inout2,$inout3)=map("%xmm$_",(12..15)); # for dec
1013 my $_rol=sub { &shld
(@_[0],@_) };
1014 my $_ror=sub { &shrd
(@_[0],@_) };
1017 .type aesni_cbc_sha1_enc_avx
,\
@function,6
1019 aesni_cbc_sha1_enc_avx
:
1020 mov
`($win64?56:8)`(%rsp),$inp # load 7th argument
1021 #shr \$6,$len # debugging artefact
1022 #jz .Lepilogue_avx # debugging artefact
1029 lea
`-104-($win64?10*16:0)`(%rsp),%rsp
1030 #mov $in0,$inp # debugging artefact
1031 #lea 64(%rsp),$ctx # debugging artefact
1033 $code.=<<___
if ($win64);
1034 movaps
%xmm6,96+0(%rsp)
1035 movaps
%xmm7,96+16(%rsp)
1036 movaps
%xmm8,96+32(%rsp)
1037 movaps
%xmm9,96+48(%rsp)
1038 movaps
%xmm10,96+64(%rsp)
1039 movaps
%xmm11,96+80(%rsp)
1040 movaps
%xmm12,96+96(%rsp)
1041 movaps
%xmm13,96+112(%rsp)
1042 movaps
%xmm14,96+128(%rsp)
1043 movaps
%xmm15,96+144(%rsp)
1048 mov
$in0,%r12 # reassign arguments
1051 lea
112($key),%r15 # size optimization
1052 vmovdqu
($ivp),$iv # load IV
1053 mov
$ivp,88(%rsp) # save $ivp
1055 ($in0,$out,$len,$key)=map("%r$_",(12..15)); # reassign arguments
1056 my $rounds="${ivp}d";
1060 mov
240-112($key),$rounds
1061 add
$inp,$len # end of input
1063 lea K_XX_XX
(%rip),$K_XX_XX
1064 mov
0($ctx),$A # load context
1068 mov
$B,@T[0] # magic seed
1074 vmovdqa
64($K_XX_XX),@X[2] # pbswap mask
1075 vmovdqa
0($K_XX_XX),$Kx # K_00_19
1076 vmovdqu
0($inp),@X[-4&7] # load input to %xmm[0-3]
1077 vmovdqu
16($inp),@X[-3&7]
1078 vmovdqu
32($inp),@X[-2&7]
1079 vmovdqu
48($inp),@X[-1&7]
1080 vpshufb
@X[2],@X[-4&7],@X[-4&7] # byte swap
1082 vpshufb
@X[2],@X[-3&7],@X[-3&7]
1083 vpshufb
@X[2],@X[-2&7],@X[-2&7]
1084 vpshufb
@X[2],@X[-1&7],@X[-1&7]
1085 vpaddd
$Kx,@X[-4&7],@X[0] # add K_00_19
1086 vpaddd
$Kx,@X[-3&7],@X[1]
1087 vpaddd
$Kx,@X[-2&7],@X[2]
1088 vmovdqa
@X[0],0(%rsp) # X[]+K xfer to IALU
1089 vmovdqa
@X[1],16(%rsp)
1090 vmovdqa
@X[2],32(%rsp)
1091 vmovups
-112($key),$rndkey[1] # $key[0]
1092 vmovups
16-112($key),$rndkey[0] # forward reference
1098 my ($n,$k)=($r/10,$r%10);
1101 vmovdqu
`16*$n`($in0),$in # load input
1102 vpxor
$rndkey[1],$in,$in
1104 $code.=<<___
if ($n);
1105 vmovups
$iv,`16*($n-1)`($out,$in0) # write output
1109 vaesenc
$rndkey[0],$iv,$iv
1110 vmovups
`32+16*$k-112`($key),$rndkey[1]
1117 vaesenc
$rndkey[0],$iv,$iv
1118 vmovups
`32+16*($k+0)-112`($key),$rndkey[1]
1119 vaesenc
$rndkey[1],$iv,$iv
1120 vmovups
`32+16*($k+1)-112`($key),$rndkey[0]
1122 vaesenc
$rndkey[0],$iv,$iv
1123 vmovups
`32+16*($k+2)-112`($key),$rndkey[1]
1124 vaesenc
$rndkey[1],$iv,$iv
1125 vmovups
`32+16*($k+3)-112`($key),$rndkey[0]
1127 vaesenclast
$rndkey[0],$iv,$iv
1128 vmovups
-112($key),$rndkey[0]
1129 vmovups
16-112($key),$rndkey[1] # forward reference
1133 vaesenc
$rndkey[0],$iv,$iv
1134 vmovups
`32+16*$k-112`($key),$rndkey[1]
1137 $r++; unshift(@rndkey,pop(@rndkey));
1140 sub Xupdate_avx_16_31
() # recall that $Xi starts wtih 4
1143 my @insns = (&$body,&$body,&$body,&$body); # 40 instructions
1144 my ($a,$b,$c,$d,$e);
1146 eval(shift(@insns));
1147 eval(shift(@insns));
1148 &vpalignr
(@X[0],@X[-3&7],@X[-4&7],8); # compose "X[-14]" in "X[0]"
1149 eval(shift(@insns));
1150 eval(shift(@insns));
1152 &vpaddd
(@Tx[1],$Kx,@X[-1&7]);
1153 eval(shift(@insns));
1154 eval(shift(@insns));
1155 &vpsrldq
(@Tx[0],@X[-1&7],4); # "X[-3]", 3 dwords
1156 eval(shift(@insns));
1157 eval(shift(@insns));
1158 &vpxor
(@X[0],@X[0],@X[-4&7]); # "X[0]"^="X[-16]"
1159 eval(shift(@insns));
1160 eval(shift(@insns));
1162 &vpxor
(@Tx[0],@Tx[0],@X[-2&7]); # "X[-3]"^"X[-8]"
1163 eval(shift(@insns));
1164 eval(shift(@insns));
1165 eval(shift(@insns));
1166 eval(shift(@insns));
1168 &vpxor
(@X[0],@X[0],@Tx[0]); # "X[0]"^="X[-3]"^"X[-8]"
1169 eval(shift(@insns));
1170 eval(shift(@insns));
1171 &vmovdqa
(eval(16*(($Xi-1)&3))."(%rsp)",@Tx[1]); # X[]+K xfer to IALU
1172 eval(shift(@insns));
1173 eval(shift(@insns));
1175 &vpsrld
(@Tx[0],@X[0],31);
1176 eval(shift(@insns));
1177 eval(shift(@insns));
1178 eval(shift(@insns));
1179 eval(shift(@insns));
1181 &vpslldq
(@Tx[1],@X[0],12); # "X[0]"<<96, extract one dword
1182 &vpaddd
(@X[0],@X[0],@X[0]);
1183 eval(shift(@insns));
1184 eval(shift(@insns));
1185 eval(shift(@insns));
1186 eval(shift(@insns));
1188 &vpor
(@X[0],@X[0],@Tx[0]); # "X[0]"<<<=1
1189 &vpsrld
(@Tx[0],@Tx[1],30);
1190 eval(shift(@insns));
1191 eval(shift(@insns));
1192 eval(shift(@insns));
1193 eval(shift(@insns));
1195 &vpslld
(@Tx[1],@Tx[1],2);
1196 &vpxor
(@X[0],@X[0],@Tx[0]);
1197 eval(shift(@insns));
1198 eval(shift(@insns));
1199 eval(shift(@insns));
1200 eval(shift(@insns));
1202 &vpxor
(@X[0],@X[0],@Tx[1]); # "X[0]"^=("X[0]">>96)<<<2
1203 eval(shift(@insns));
1204 eval(shift(@insns));
1205 &vmovdqa
($Kx,eval(16*(($Xi)/5))."($K_XX_XX)") if ($Xi%5==0); # K_XX_XX
1206 eval(shift(@insns));
1207 eval(shift(@insns));
1210 foreach (@insns) { eval; } # remaining instructions [if any]
1212 $Xi++; push(@X,shift(@X)); # "rotate" X[]
1215 sub Xupdate_avx_32_79
()
1218 my @insns = (&$body,&$body,&$body,&$body); # 32 to 48 instructions
1219 my ($a,$b,$c,$d,$e);
1221 &vpalignr
(@Tx[0],@X[-1&7],@X[-2&7],8); # compose "X[-6]"
1222 &vpxor
(@X[0],@X[0],@X[-4&7]); # "X[0]"="X[-32]"^"X[-16]"
1223 eval(shift(@insns)); # body_20_39
1224 eval(shift(@insns));
1225 eval(shift(@insns));
1226 eval(shift(@insns)); # rol
1228 &vpxor
(@X[0],@X[0],@X[-7&7]); # "X[0]"^="X[-28]"
1229 eval(shift(@insns));
1230 eval(shift(@insns)) if (@insns[0] !~ /&ro[rl]/);
1231 &vpaddd
(@Tx[1],$Kx,@X[-1&7]);
1232 &vmovdqa
($Kx,eval(16*($Xi/5))."($K_XX_XX)") if ($Xi%5==0);
1233 eval(shift(@insns)); # ror
1234 eval(shift(@insns));
1236 &vpxor
(@X[0],@X[0],@Tx[0]); # "X[0]"^="X[-6]"
1237 eval(shift(@insns)); # body_20_39
1238 eval(shift(@insns));
1239 eval(shift(@insns));
1240 eval(shift(@insns)); # rol
1242 &vpsrld
(@Tx[0],@X[0],30);
1243 &vmovdqa
(eval(16*(($Xi-1)&3))."(%rsp)",@Tx[1]); # X[]+K xfer to IALU
1244 eval(shift(@insns));
1245 eval(shift(@insns));
1246 eval(shift(@insns)); # ror
1247 eval(shift(@insns));
1249 &vpslld
(@X[0],@X[0],2);
1250 eval(shift(@insns)); # body_20_39
1251 eval(shift(@insns));
1252 eval(shift(@insns));
1253 eval(shift(@insns)); # rol
1254 eval(shift(@insns));
1255 eval(shift(@insns));
1256 eval(shift(@insns)); # ror
1257 eval(shift(@insns));
1259 &vpor
(@X[0],@X[0],@Tx[0]); # "X[0]"<<<=2
1260 eval(shift(@insns)); # body_20_39
1261 eval(shift(@insns));
1262 eval(shift(@insns));
1263 eval(shift(@insns)); # rol
1264 eval(shift(@insns));
1265 eval(shift(@insns));
1266 eval(shift(@insns)); # rol
1267 eval(shift(@insns));
1269 foreach (@insns) { eval; } # remaining instructions
1271 $Xi++; push(@X,shift(@X)); # "rotate" X[]
1274 sub Xuplast_avx_80
()
1277 my @insns = (&$body,&$body,&$body,&$body); # 32 instructions
1278 my ($a,$b,$c,$d,$e);
1280 eval(shift(@insns));
1281 &vpaddd
(@Tx[1],$Kx,@X[-1&7]);
1282 eval(shift(@insns));
1283 eval(shift(@insns));
1284 eval(shift(@insns));
1285 eval(shift(@insns));
1287 &vmovdqa
(eval(16*(($Xi-1)&3))."(%rsp)",@Tx[1]); # X[]+K xfer IALU
1289 foreach (@insns) { eval; } # remaining instructions
1294 &vmovdqa
(@Tx[1],"64($K_XX_XX)"); # pbswap mask
1295 &vmovdqa
($Kx,"0($K_XX_XX)"); # K_00_19
1296 &vmovdqu
(@X[-4&7],"0($inp)"); # load input
1297 &vmovdqu
(@X[-3&7],"16($inp)");
1298 &vmovdqu
(@X[-2&7],"32($inp)");
1299 &vmovdqu
(@X[-1&7],"48($inp)");
1300 &vpshufb
(@X[-4&7],@X[-4&7],@Tx[1]); # byte swap
1309 my @insns = (&$body,&$body,&$body,&$body); # 32 instructions
1310 my ($a,$b,$c,$d,$e);
1312 eval(shift(@insns));
1313 eval(shift(@insns));
1314 &vpshufb
(@X[($Xi-3)&7],@X[($Xi-3)&7],@Tx[1]);
1315 eval(shift(@insns));
1316 eval(shift(@insns));
1317 &vpaddd
(@Tx[0],@X[($Xi-4)&7],$Kx);
1318 eval(shift(@insns));
1319 eval(shift(@insns));
1320 eval(shift(@insns));
1321 eval(shift(@insns));
1322 &vmovdqa
(eval(16*$Xi)."(%rsp)",@Tx[0]); # X[]+K xfer to IALU
1323 eval(shift(@insns));
1324 eval(shift(@insns));
1326 foreach (@insns) { eval; }
1333 my @insns = (&$body,&$body,&$body,&$body); # 32 instructions
1334 my ($a,$b,$c,$d,$e);
1336 foreach (@insns) { eval; }
1343 &Xupdate_avx_16_31
(\
&body_00_19
);
1344 &Xupdate_avx_16_31
(\
&body_00_19
);
1345 &Xupdate_avx_16_31
(\
&body_00_19
);
1346 &Xupdate_avx_16_31
(\
&body_00_19
);
1347 &Xupdate_avx_32_79
(\
&body_00_19
);
1348 &Xupdate_avx_32_79
(\
&body_20_39
);
1349 &Xupdate_avx_32_79
(\
&body_20_39
);
1350 &Xupdate_avx_32_79
(\
&body_20_39
);
1351 &Xupdate_avx_32_79
(\
&body_20_39
);
1352 &Xupdate_avx_32_79
(\
&body_20_39
);
1353 &Xupdate_avx_32_79
(\
&body_40_59
);
1354 &Xupdate_avx_32_79
(\
&body_40_59
);
1355 &Xupdate_avx_32_79
(\
&body_40_59
);
1356 &Xupdate_avx_32_79
(\
&body_40_59
);
1357 &Xupdate_avx_32_79
(\
&body_40_59
);
1358 &Xupdate_avx_32_79
(\
&body_20_39
);
1359 &Xuplast_avx_80
(\
&body_20_39
,".Ldone_avx"); # can jump to "done"
1361 $saved_j=$j; @saved_V=@V;
1362 $saved_r=$r; @saved_rndkey=@rndkey;
1364 &Xloop_avx
(\
&body_20_39
);
1365 &Xloop_avx
(\
&body_20_39
);
1366 &Xloop_avx
(\
&body_20_39
);
1369 vmovups
$iv,48($out,$in0) # write output
1372 add
0($ctx),$A # update context
1379 mov
@T[0],$B # magic seed
1390 $jj=$j=$saved_j; @V=@saved_V;
1391 $r=$saved_r; @rndkey=@saved_rndkey;
1393 &Xtail_avx
(\
&body_20_39
);
1394 &Xtail_avx
(\
&body_20_39
);
1395 &Xtail_avx
(\
&body_20_39
);
1398 vmovups
$iv,48($out,$in0) # write output
1399 mov
88(%rsp),$ivp # restore $ivp
1401 add
0($ctx),$A # update context
1411 vmovups
$iv,($ivp) # write IV
1414 $code.=<<___
if ($win64);
1415 movaps
96+0(%rsp),%xmm6
1416 movaps
96+16(%rsp),%xmm7
1417 movaps
96+32(%rsp),%xmm8
1418 movaps
96+48(%rsp),%xmm9
1419 movaps
96+64(%rsp),%xmm10
1420 movaps
96+80(%rsp),%xmm11
1421 movaps
96+96(%rsp),%xmm12
1422 movaps
96+112(%rsp),%xmm13
1423 movaps
96+128(%rsp),%xmm14
1424 movaps
96+144(%rsp),%xmm15
1427 lea
`104+($win64?10*16:0)`(%rsp),%rsi
1437 .size aesni_cbc_sha1_enc_avx
,.-aesni_cbc_sha1_enc_avx
1440 if ($stitched_decrypt) {{{
1442 ($in0,$out,$len,$key,$ivp,$ctx,$inp)=("%rdi","%rsi","%rdx","%rcx","%r8","%r9","%r10");
1448 '&vpxor ($inout0,$rndkey0,"0x00($in0)");',
1449 '&vpxor ($inout1,$rndkey0,"0x10($in0)");',
1450 '&vpxor ($inout2,$rndkey0,"0x20($in0)");',
1451 '&vpxor ($inout3,$rndkey0,"0x30($in0)");',
1453 '&vmovups($rndkey0,"16-112($key)");',
1454 '&vmovups("64(%rsp)",@X[2]);', # save IV, originally @X[3]
1457 for ($i=0;$i<13;$i++) {
1459 '&vaesdec ($inout0,$inout0,$rndkey0);',
1460 '&vaesdec ($inout1,$inout1,$rndkey0);',
1461 '&vaesdec ($inout2,$inout2,$rndkey0);',
1462 '&vaesdec ($inout3,$inout3,$rndkey0); &vmovups($rndkey0,"'.(16*($i+2)-112).'($key)");'
1464 push (@aes256_dec,(undef,undef)) if (($i>=3 && $i<=5) || $i>=11);
1465 push (@aes256_dec,(undef,undef)) if ($i==5);
1468 '&vaesdeclast ($inout0,$inout0,$rndkey0); &vmovups(@X[0],"0x00($in0)");',
1469 '&vaesdeclast ($inout1,$inout1,$rndkey0); &vmovups(@X[1],"0x10($in0)");',
1470 '&vaesdeclast ($inout2,$inout2,$rndkey0); &vmovups(@X[2],"0x20($in0)");',
1471 '&vaesdeclast ($inout3,$inout3,$rndkey0); &vmovups(@X[3],"0x30($in0)");',
1473 '&vxorps ($inout0,$inout0,"64(%rsp)"); &vmovdqu($rndkey0,"-112($key)");',
1474 '&vxorps ($inout1,$inout1,@X[0]); &vmovups("0x00($out,$in0)",$inout0);',
1475 '&vxorps ($inout2,$inout2,@X[1]); &vmovups("0x10($out,$in0)",$inout1);',
1476 '&vxorps ($inout3,$inout3,@X[2]); &vmovups("0x20($out,$in0)",$inout2);',
1478 '&vmovups ("0x30($out,$in0)",$inout3);'
1482 .type aesni256_cbc_sha1_dec_avx
,\
@function,6
1484 aesni256_cbc_sha1_dec_avx
:
1485 mov
`($win64?56:8)`(%rsp),$inp # load 7th argument
1492 lea
`-104-($win64?10*16:0)`(%rsp),%rsp
1494 $code.=<<___
if ($win64);
1495 movaps
%xmm6,96+0(%rsp)
1496 movaps
%xmm7,96+16(%rsp)
1497 movaps
%xmm8,96+32(%rsp)
1498 movaps
%xmm9,96+48(%rsp)
1499 movaps
%xmm10,96+64(%rsp)
1500 movaps
%xmm11,96+80(%rsp)
1501 movaps
%xmm12,96+96(%rsp)
1502 movaps
%xmm13,96+112(%rsp)
1503 movaps
%xmm14,96+128(%rsp)
1504 movaps
%xmm15,96+144(%rsp)
1509 mov
$in0,%r12 # reassign arguments
1512 lea
112($key),%r15 # size optimization
1513 vmovdqu
($ivp),@X[3] # load IV
1515 ($in0,$out,$len,$key)=map("%r$_",(12..15)); # reassign arguments
1519 add
$inp,$len # end of input
1521 lea K_XX_XX
(%rip),$K_XX_XX
1522 mov
0($ctx),$A # load context
1526 mov
$B,@T[0] # magic seed
1532 vmovdqa
64($K_XX_XX),@X[2] # pbswap mask
1533 vmovdqa
0($K_XX_XX),$Kx # K_00_19
1534 vmovdqu
0($inp),@X[-4&7] # load input to %xmm[0-3]
1535 vmovdqu
16($inp),@X[-3&7]
1536 vmovdqu
32($inp),@X[-2&7]
1537 vmovdqu
48($inp),@X[-1&7]
1538 vpshufb
@X[2],@X[-4&7],@X[-4&7] # byte swap
1540 vpshufb
@X[2],@X[-3&7],@X[-3&7]
1541 vpshufb
@X[2],@X[-2&7],@X[-2&7]
1542 vpshufb
@X[2],@X[-1&7],@X[-1&7]
1543 vpaddd
$Kx,@X[-4&7],@X[0] # add K_00_19
1544 vpaddd
$Kx,@X[-3&7],@X[1]
1545 vpaddd
$Kx,@X[-2&7],@X[2]
1546 vmovdqa
@X[0],0(%rsp) # X[]+K xfer to IALU
1547 vmovdqa
@X[1],16(%rsp)
1548 vmovdqa
@X[2],32(%rsp)
1549 vmovups
-112($key),$rndkey0 # $key[0]
1555 &Xupdate_avx_16_31
(\
&body_00_19_dec
);
1556 &Xupdate_avx_16_31
(\
&body_00_19_dec
);
1557 &Xupdate_avx_16_31
(\
&body_00_19_dec
);
1558 &Xupdate_avx_16_31
(\
&body_00_19_dec
);
1559 &Xupdate_avx_32_79
(\
&body_00_19_dec
);
1560 &Xupdate_avx_32_79
(\
&body_20_39_dec
);
1561 &Xupdate_avx_32_79
(\
&body_20_39_dec
);
1562 &Xupdate_avx_32_79
(\
&body_20_39_dec
);
1563 &Xupdate_avx_32_79
(\
&body_20_39_dec
);
1564 &Xupdate_avx_32_79
(\
&body_20_39_dec
);
1565 &Xupdate_avx_32_79
(\
&body_40_59_dec
);
1566 &Xupdate_avx_32_79
(\
&body_40_59_dec
);
1567 &Xupdate_avx_32_79
(\
&body_40_59_dec
);
1568 &Xupdate_avx_32_79
(\
&body_40_59_dec
);
1569 &Xupdate_avx_32_79
(\
&body_40_59_dec
);
1570 &Xupdate_avx_32_79
(\
&body_20_39_dec
);
1571 &Xuplast_avx_80
(\
&body_20_39_dec
,".Ldone_dec_avx"); # can jump to "done"
1573 $saved_j=$j; @saved_V=@V;
1576 &Xloop_avx
(\
&body_20_39_dec
);
1577 &Xloop_avx
(\
&body_20_39_dec
);
1578 &Xloop_avx
(\
&body_20_39_dec
);
1580 eval(@aes256_dec[-1]); # last store
1584 add
0($ctx),$A # update context
1591 mov
@T[0],$B # magic seed
1602 $jj=$j=$saved_j; @V=@saved_V;
1605 &Xtail_avx
(\
&body_20_39_dec
);
1606 &Xtail_avx
(\
&body_20_39_dec
);
1607 &Xtail_avx
(\
&body_20_39_dec
);
1609 eval(@aes256_dec[-1]); # last store
1612 add
0($ctx),$A # update context
1622 vmovups
@X[3],($ivp) # write IV
1625 $code.=<<___
if ($win64);
1626 movaps
96+0(%rsp),%xmm6
1627 movaps
96+16(%rsp),%xmm7
1628 movaps
96+32(%rsp),%xmm8
1629 movaps
96+48(%rsp),%xmm9
1630 movaps
96+64(%rsp),%xmm10
1631 movaps
96+80(%rsp),%xmm11
1632 movaps
96+96(%rsp),%xmm12
1633 movaps
96+112(%rsp),%xmm13
1634 movaps
96+128(%rsp),%xmm14
1635 movaps
96+144(%rsp),%xmm15
1638 lea
`104+($win64?10*16:0)`(%rsp),%rsi
1648 .size aesni256_cbc_sha1_dec_avx
,.-aesni256_cbc_sha1_dec_avx
1655 .long
0x5a827999,0x5a827999,0x5a827999,0x5a827999 # K_00_19
1656 .long
0x6ed9eba1,0x6ed9eba1,0x6ed9eba1,0x6ed9eba1 # K_20_39
1657 .long
0x8f1bbcdc,0x8f1bbcdc,0x8f1bbcdc,0x8f1bbcdc # K_40_59
1658 .long
0xca62c1d6,0xca62c1d6,0xca62c1d6,0xca62c1d6 # K_60_79
1659 .long
0x00010203,0x04050607,0x08090a0b,0x0c0d0e0f # pbswap mask
1660 .byte
0xf,0xe,0xd,0xc,0xb,0xa,0x9,0x8,0x7,0x6,0x5,0x4,0x3,0x2,0x1,0x0
1662 .asciz
"AESNI-CBC+SHA1 stitch for x86_64, CRYPTOGAMS by <appro\@openssl.org>"
1666 ($in0,$out,$len,$key,$ivp,$ctx,$inp)=("%rdi","%rsi","%rdx","%rcx","%r8","%r9","%r10");
1670 ($iv,$in,$rndkey0)=map("%xmm$_",(2,14,15));
1671 @rndkey=("%xmm0","%xmm1");
1674 my ($BSWAP,$ABCD,$E,$E_,$ABCD_SAVE,$E_SAVE)=map("%xmm$_",(7..12));
1675 my @MSG=map("%xmm$_",(3..6));
1678 .type aesni_cbc_sha1_enc_shaext
,\
@function,6
1680 aesni_cbc_sha1_enc_shaext
:
1681 mov
`($win64?56:8)`(%rsp),$inp # load 7th argument
1683 $code.=<<___
if ($win64);
1684 lea
`-8-10*16`(%rsp),%rsp
1685 movaps
%xmm6,-8-10*16(%rax)
1686 movaps
%xmm7,-8-9*16(%rax)
1687 movaps
%xmm8,-8-8*16(%rax)
1688 movaps
%xmm9,-8-7*16(%rax)
1689 movaps
%xmm10,-8-6*16(%rax)
1690 movaps
%xmm11,-8-5*16(%rax)
1691 movaps
%xmm12,-8-4*16(%rax)
1692 movaps
%xmm13,-8-3*16(%rax)
1693 movaps
%xmm14,-8-2*16(%rax)
1694 movaps
%xmm15,-8-1*16(%rax)
1700 movdqa K_XX_XX
+0x50(%rip),$BSWAP # byte-n-word swap
1702 mov
240($key),$rounds
1704 movups
($key),$rndkey0 # $key[0]
1705 movups
16($key),$rndkey[0] # forward reference
1706 lea
112($key),$key # size optimization
1708 pshufd \
$0b00011011,$ABCD,$ABCD # flip word order
1709 pshufd \
$0b00011011,$E,$E # flip word order
1717 movdqu
($inp),@MSG[0]
1718 movdqa
$E,$E_SAVE # offload $E
1719 pshufb
$BSWAP,@MSG[0]
1720 movdqu
0x10($inp),@MSG[1]
1721 movdqa
$ABCD,$ABCD_SAVE # offload $ABCD
1725 pshufb
$BSWAP,@MSG[1]
1728 movdqu
0x20($inp),@MSG[2]
1730 pxor
$E_SAVE,@MSG[0] # black magic
1734 pxor
$E_SAVE,@MSG[0] # black magic
1736 pshufb
$BSWAP,@MSG[2]
1737 sha1rnds4 \
$0,$E,$ABCD # 0-3
1738 sha1nexte
@MSG[1],$E_
1742 sha1msg1
@MSG[1],@MSG[0]
1743 movdqu
-0x10($inp),@MSG[3]
1745 pshufb
$BSWAP,@MSG[3]
1749 sha1rnds4 \
$0,$E_,$ABCD # 4-7
1750 sha1nexte
@MSG[2],$E
1751 pxor
@MSG[2],@MSG[0]
1752 sha1msg1
@MSG[2],@MSG[1]
1756 for($i=2;$i<20-4;$i++) {
1759 sha1rnds4 \
$`int($i/5)`,$E,$ABCD # 8-11
1760 sha1nexte
@MSG[3],$E_
1764 sha1msg2
@MSG[3],@MSG[0]
1765 pxor
@MSG[3],@MSG[1]
1766 sha1msg1
@MSG[3],@MSG[2]
1769 push(@MSG,shift(@MSG));
1775 sha1rnds4 \
$3,$E,$ABCD # 64-67
1776 sha1nexte
@MSG[3],$E_
1777 sha1msg2
@MSG[3],@MSG[0]
1778 pxor
@MSG[3],@MSG[1]
1783 sha1rnds4 \
$3,$E_,$ABCD # 68-71
1784 sha1nexte
@MSG[0],$E
1785 sha1msg2
@MSG[0],@MSG[1]
1789 movdqa
$E_SAVE,@MSG[0]
1791 sha1rnds4 \
$3,$E,$ABCD # 72-75
1792 sha1nexte
@MSG[1],$E_
1797 sha1rnds4 \
$3,$E_,$ABCD # 76-79
1798 sha1nexte
$MSG[0],$E
1800 while($r<40) { &$aesenc(); } # remaining aesenc's
1804 paddd
$ABCD_SAVE,$ABCD
1805 movups
$iv,48($out,$in0) # write output
1809 pshufd \
$0b00011011,$ABCD,$ABCD
1810 pshufd \
$0b00011011,$E,$E
1811 movups
$iv,($ivp) # write IV
1815 $code.=<<___
if ($win64);
1816 movaps
-8-10*16(%rax),%xmm6
1817 movaps
-8-9*16(%rax),%xmm7
1818 movaps
-8-8*16(%rax),%xmm8
1819 movaps
-8-7*16(%rax),%xmm9
1820 movaps
-8-6*16(%rax),%xmm10
1821 movaps
-8-5*16(%rax),%xmm11
1822 movaps
-8-4*16(%rax),%xmm12
1823 movaps
-8-3*16(%rax),%xmm13
1824 movaps
-8-2*16(%rax),%xmm14
1825 movaps
-8-1*16(%rax),%xmm15
1831 .size aesni_cbc_sha1_enc_shaext
,.-aesni_cbc_sha1_enc_shaext
1834 # EXCEPTION_DISPOSITION handler (EXCEPTION_RECORD *rec,ULONG64 frame,
1835 # CONTEXT *context,DISPATCHER_CONTEXT *disp)
1843 .extern __imp_RtlVirtualUnwind
1844 .type ssse3_handler
,\
@abi-omnipotent
1858 mov
120($context),%rax # pull context->Rax
1859 mov
248($context),%rbx # pull context->Rip
1861 mov
8($disp),%rsi # disp->ImageBase
1862 mov
56($disp),%r11 # disp->HandlerData
1864 mov
0(%r11),%r10d # HandlerData[0]
1865 lea
(%rsi,%r10),%r10 # prologue label
1866 cmp %r10,%rbx # context->Rip<prologue label
1867 jb
.Lcommon_seh_tail
1869 mov
152($context),%rax # pull context->Rsp
1871 mov
4(%r11),%r10d # HandlerData[1]
1872 lea
(%rsi,%r10),%r10 # epilogue label
1873 cmp %r10,%rbx # context->Rip>=epilogue label
1874 jae
.Lcommon_seh_tail
1876 $code.=<<___
if ($shaext);
1877 lea aesni_cbc_sha1_enc_shaext
(%rip),%r10
1882 lea
512($context),%rdi # &context.Xmm6
1884 .long
0xa548f3fc # cld; rep movsq
1885 lea
168(%rax),%rax # adjust stack pointer
1886 jmp
.Lcommon_seh_tail
1891 lea
512($context),%rdi # &context.Xmm6
1893 .long
0xa548f3fc # cld; rep movsq
1894 lea
`104+10*16`(%rax),%rax # adjust stack pointer
1903 mov
%rbx,144($context) # restore context->Rbx
1904 mov
%rbp,160($context) # restore context->Rbp
1905 mov
%r12,216($context) # restore context->R12
1906 mov
%r13,224($context) # restore context->R13
1907 mov
%r14,232($context) # restore context->R14
1908 mov
%r15,240($context) # restore context->R15
1913 mov
%rax,152($context) # restore context->Rsp
1914 mov
%rsi,168($context) # restore context->Rsi
1915 mov
%rdi,176($context) # restore context->Rdi
1917 mov
40($disp),%rdi # disp->ContextRecord
1918 mov
$context,%rsi # context
1919 mov \
$154,%ecx # sizeof(CONTEXT)
1920 .long
0xa548f3fc # cld; rep movsq
1923 xor %rcx,%rcx # arg1, UNW_FLAG_NHANDLER
1924 mov
8(%rsi),%rdx # arg2, disp->ImageBase
1925 mov
0(%rsi),%r8 # arg3, disp->ControlPc
1926 mov
16(%rsi),%r9 # arg4, disp->FunctionEntry
1927 mov
40(%rsi),%r10 # disp->ContextRecord
1928 lea
56(%rsi),%r11 # &disp->HandlerData
1929 lea
24(%rsi),%r12 # &disp->EstablisherFrame
1930 mov
%r10,32(%rsp) # arg5
1931 mov
%r11,40(%rsp) # arg6
1932 mov
%r12,48(%rsp) # arg7
1933 mov
%rcx,56(%rsp) # arg8, (NULL)
1934 call
*__imp_RtlVirtualUnwind
(%rip)
1936 mov \
$1,%eax # ExceptionContinueSearch
1948 .size ssse3_handler
,.-ssse3_handler
1952 .rva
.LSEH_begin_aesni_cbc_sha1_enc_ssse3
1953 .rva
.LSEH_end_aesni_cbc_sha1_enc_ssse3
1954 .rva
.LSEH_info_aesni_cbc_sha1_enc_ssse3
1956 $code.=<<___
if ($avx);
1957 .rva
.LSEH_begin_aesni_cbc_sha1_enc_avx
1958 .rva
.LSEH_end_aesni_cbc_sha1_enc_avx
1959 .rva
.LSEH_info_aesni_cbc_sha1_enc_avx
1961 $code.=<<___
if ($shaext);
1962 .rva
.LSEH_begin_aesni_cbc_sha1_enc_shaext
1963 .rva
.LSEH_end_aesni_cbc_sha1_enc_shaext
1964 .rva
.LSEH_info_aesni_cbc_sha1_enc_shaext
1969 .LSEH_info_aesni_cbc_sha1_enc_ssse3
:
1972 .rva
.Lprologue_ssse3
,.Lepilogue_ssse3
# HandlerData[]
1974 $code.=<<___
if ($avx);
1975 .LSEH_info_aesni_cbc_sha1_enc_avx
:
1978 .rva
.Lprologue_avx
,.Lepilogue_avx
# HandlerData[]
1980 $code.=<<___
if ($shaext);
1981 .LSEH_info_aesni_cbc_sha1_enc_shaext
:
1984 .rva
.Lprologue_shaext
,.Lepilogue_shaext
# HandlerData[]
1988 ####################################################################
1990 local *opcode
=shift;
1994 $rex|=0x04 if($dst>=8);
1995 $rex|=0x01 if($src>=8);
1996 unshift @opcode,$rex|0x40 if($rex);
2000 if (@_[0] =~ /\$([x0-9a-f]+),\s*%xmm([0-9]+),\s*%xmm([0-9]+)/) {
2001 my @opcode=(0x0f,0x3a,0xcc);
2002 rex
(\
@opcode,$3,$2);
2003 push @opcode,0xc0|($2&7)|(($3&7)<<3); # ModR/M
2005 push @opcode,$c=~/^0/?
oct($c):$c;
2006 return ".byte\t".join(',',@opcode);
2008 return "sha1rnds4\t".@_[0];
2015 "sha1nexte" => 0xc8,
2017 "sha1msg2" => 0xca );
2019 if (defined($opcodelet{$instr}) && @_[0] =~ /%xmm([0-9]+),\s*%xmm([0-9]+)/) {
2020 my @opcode=(0x0f,0x38);
2021 rex
(\
@opcode,$2,$1);
2022 push @opcode,$opcodelet{$instr};
2023 push @opcode,0xc0|($1&7)|(($2&7)<<3); # ModR/M
2024 return ".byte\t".join(',',@opcode);
2026 return $instr."\t".@_[0];
2032 my @opcode=(0x0f,0x38);
2034 if ($line=~/(aes[a-z]+)\s+%xmm([0-9]+),\s*%xmm([0-9]+)/) {
2036 "aesenc" => 0xdc, "aesenclast" => 0xdd,
2037 "aesdec" => 0xde, "aesdeclast" => 0xdf
2039 return undef if (!defined($opcodelet{$1}));
2040 rex
(\
@opcode,$3,$2);
2041 push @opcode,$opcodelet{$1},0xc0|($2&7)|(($3&7)<<3); # ModR/M
2042 unshift @opcode,0x66;
2043 return ".byte\t".join(',',@opcode);
2048 foreach (split("\n",$code)) {
2049 s/\`([^\`]*)\`/eval $1/geo;
2051 s/\b(sha1rnds4)\s+(.*)/sha1rnds4($2)/geo or
2052 s/\b(sha1[^\s]*)\s+(.*)/sha1op38($1,$2)/geo or
2053 s/\b(aes.*%xmm[0-9]+).*$/aesni($1)/geo;