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jmp .Lxts_dec_done
.align 16
.Lxts_dec_two:
movups ($inp),$inout0
movups 16($inp),$inout1
lea 32($inp),$inp
xorps @tweak[0],$inout0
xorps @tweak[1],$inout1
call _aesni_decrypt3
xorps @tweak[0],$inout0
movdqa @tweak[2],@tweak[0]
xorps @tweak[1],$inout1
movdqa @tweak[3],@tweak[1]
movups $inout0,($out)
movups $inout1,16*1($out)
lea 16*2($out),$out
jmp .Lxts_dec_done
.align 16
.Lxts_dec_three:
movups ($inp),$inout0
movups 16*1($inp),$inout1
movups 16*2($inp),$inout2
lea 16*3($inp),$inp
xorps @tweak[0],$inout0
xorps @tweak[1],$inout1
xorps @tweak[2],$inout2
call _aesni_decrypt3
xorps @tweak[0],$inout0
movdqa @tweak[3],@tweak[0]
xorps @tweak[1],$inout1
movdqa @tweak[5],@tweak[1]
xorps @tweak[2],$inout2
movups $inout0,($out)
movups $inout1,16*1($out)
movups $inout2,16*2($out)
lea 16*3($out),$out
jmp .Lxts_dec_done
.align 16
.Lxts_dec_four:
pshufd \$0x13,$twtmp,$twres
movdqa @tweak[5],@tweak[4]
paddq @tweak[5],@tweak[5] # psllq 1,$tweak
movups ($inp),$inout0
pand $twmask,$twres # isolate carry and residue
movups 16*1($inp),$inout1
pxor $twres,@tweak[5]
movups 16*2($inp),$inout2
xorps @tweak[0],$inout0
movups 16*3($inp),$inout3
lea 16*4($inp),$inp
xorps @tweak[1],$inout1
xorps @tweak[2],$inout2
xorps @tweak[3],$inout3
call _aesni_decrypt4
xorps @tweak[0],$inout0
movdqa @tweak[4],@tweak[0]
xorps @tweak[1],$inout1
movdqa @tweak[5],@tweak[1]
xorps @tweak[2],$inout2
movups $inout0,($out)
xorps @tweak[3],$inout3
movups $inout1,16*1($out)
movups $inout2,16*2($out)
movups $inout3,16*3($out)
lea 16*4($out),$out
jmp .Lxts_dec_done
.align 16
.Lxts_dec_done:
and \$15,$len_
jz .Lxts_dec_ret
.Lxts_dec_done2:
mov $len_,$len
mov $key_,$key # restore $key
mov $rnds_,$rounds # restore $rounds
movups ($inp),$inout0
xorps @tweak[1],$inout0
___
&aesni_generate1("dec",$key,$rounds);
$code.=<<___;
xorps @tweak[1],$inout0
movups $inout0,($out)
.Lxts_dec_steal:
movzb 16($inp),%eax # borrow $rounds ...
movzb ($out),%ecx # ... and $key
lea 1($inp),$inp
mov %al,($out)
mov %cl,16($out)
lea 1($out),$out
sub \$1,$len
jnz .Lxts_dec_steal
sub $len_,$out # rewind $out
mov $key_,$key # restore $key
mov $rnds_,$rounds # restore $rounds
movups ($out),$inout0
xorps @tweak[0],$inout0
___
&aesni_generate1("dec",$key,$rounds);
$code.=<<___;
xorps @tweak[0],$inout0
movups $inout0,($out)
.Lxts_dec_ret:
___
$code.=<<___ if ($win64);
movaps 0x60(%rsp),%xmm6
movaps 0x70(%rsp),%xmm7
movaps 0x80(%rsp),%xmm8
movaps 0x90(%rsp),%xmm9
movaps 0xa0(%rsp),%xmm10
movaps 0xb0(%rsp),%xmm11
movaps 0xc0(%rsp),%xmm12
movaps 0xd0(%rsp),%xmm13
movaps 0xe0(%rsp),%xmm14
movaps 0xf0(%rsp),%xmm15
___
$code.=<<___;
lea $frame_size(%rsp),%rsp
.Lxts_dec_epilogue:
ret
.size aesni_xts_decrypt,.-aesni_xts_decrypt
___
} }}
########################################################################
# void $PREFIX_cbc_encrypt (const void *inp, void *out,
# size_t length, const AES_KEY *key,
# unsigned char *ivp,const int enc);
{
my $reserved = $win64?0x40:-0x18; # used in decrypt
$code.=<<___;
.globl ${PREFIX}_cbc_encrypt
.type ${PREFIX}_cbc_encrypt,\@function,6
.align 16
${PREFIX}_cbc_encrypt:
test $len,$len # check length
jz .Lcbc_ret
mov 240($key),$rnds_ # key->rounds
mov $key,$key_ # backup $key
test %r9d,%r9d # 6th argument
jz .Lcbc_decrypt
#--------------------------- CBC ENCRYPT ------------------------------#
movups ($ivp),$inout0 # load iv as initial state
mov $rnds_,$rounds
cmp \$16,$len
jb .Lcbc_enc_tail
sub \$16,$len
jmp .Lcbc_enc_loop
.align 16
.Lcbc_enc_loop:
movups ($inp),$inout1 # load input
lea 16($inp),$inp
#xorps $inout1,$inout0
___
&aesni_generate1("enc",$key,$rounds,$inout0,$inout1);
$code.=<<___;
mov $rnds_,$rounds # restore $rounds
mov $key_,$key # restore $key
movups $inout0,0($out) # store output
lea 16($out),$out
sub \$16,$len
jnc .Lcbc_enc_loop
add \$16,$len
jnz .Lcbc_enc_tail
movups $inout0,($ivp)
jmp .Lcbc_ret
.Lcbc_enc_tail:
mov $len,%rcx # zaps $key
xchg $inp,$out # $inp is %rsi and $out is %rdi now
.long 0x9066A4F3 # rep movsb
mov \$16,%ecx # zero tail
sub $len,%rcx
xor %eax,%eax
.long 0x9066AAF3 # rep stosb
lea -16(%rdi),%rdi # rewind $out by 1 block
mov $rnds_,$rounds # restore $rounds
mov %rdi,%rsi # $inp and $out are the same
mov $key_,$key # restore $key
xor $len,$len # len=16
jmp .Lcbc_enc_loop # one more spin
#--------------------------- CBC DECRYPT ------------------------------#
.align 16
.Lcbc_decrypt:
___
$code.=<<___ if ($win64);
lea -0x58(%rsp),%rsp
movaps %xmm6,(%rsp)
movaps %xmm7,0x10(%rsp)
movaps %xmm8,0x20(%rsp)
movaps %xmm9,0x30(%rsp)
.Lcbc_decrypt_body:
___
$code.=<<___;
movups ($ivp),$iv
mov $rnds_,$rounds
cmp \$0x70,$len
jbe .Lcbc_dec_tail
shr \$1,$rnds_
sub \$0x70,$len
mov $rnds_,$rounds
movaps $iv,$reserved(%rsp)
jmp .Lcbc_dec_loop8_enter
.align 16
.Lcbc_dec_loop8:
movaps $rndkey0,$reserved(%rsp) # save IV
movups $inout7,($out)
lea 0x10($out),$out
.Lcbc_dec_loop8_enter:
$movkey ($key),$rndkey0
movups ($inp),$inout0 # load input
movups 0x10($inp),$inout1
$movkey 16($key),$rndkey1
lea 32($key),$key
movdqu 0x20($inp),$inout2
xorps $rndkey0,$inout0
movdqu 0x30($inp),$inout3
xorps $rndkey0,$inout1
movdqu 0x40($inp),$inout4
aesdec $rndkey1,$inout0
pxor $rndkey0,$inout2
movdqu 0x50($inp),$inout5
aesdec $rndkey1,$inout1
pxor $rndkey0,$inout3
movdqu 0x60($inp),$inout6
aesdec $rndkey1,$inout2
pxor $rndkey0,$inout4
movdqu 0x70($inp),$inout7
aesdec $rndkey1,$inout3
pxor $rndkey0,$inout5
dec $rounds
aesdec $rndkey1,$inout4
pxor $rndkey0,$inout6
aesdec $rndkey1,$inout5
pxor $rndkey0,$inout7
$movkey ($key),$rndkey0
aesdec $rndkey1,$inout6
aesdec $rndkey1,$inout7
$movkey 16($key),$rndkey1
call .Ldec_loop8_enter
movups ($inp),$rndkey1 # re-load input
movups 0x10($inp),$rndkey0
xorps $reserved(%rsp),$inout0 # ^= IV
xorps $rndkey1,$inout1
movups 0x20($inp),$rndkey1
xorps $rndkey0,$inout2
movups 0x30($inp),$rndkey0
xorps $rndkey1,$inout3
movups 0x40($inp),$rndkey1
xorps $rndkey0,$inout4
movups 0x50($inp),$rndkey0
xorps $rndkey1,$inout5
movups 0x60($inp),$rndkey1
xorps $rndkey0,$inout6
movups 0x70($inp),$rndkey0 # IV
xorps $rndkey1,$inout7
movups $inout0,($out)
movups $inout1,0x10($out)
movups $inout2,0x20($out)
movups $inout3,0x30($out)
mov $rnds_,$rounds # restore $rounds
movups $inout4,0x40($out)
mov $key_,$key # restore $key
movups $inout5,0x50($out)
lea 0x80($inp),$inp
movups $inout6,0x60($out)
lea 0x70($out),$out
sub \$0x80,$len
ja .Lcbc_dec_loop8
movaps $inout7,$inout0
movaps $rndkey0,$iv
add \$0x70,$len
jle .Lcbc_dec_tail_collected
movups $inout0,($out)
lea 1($rnds_,$rnds_),$rounds
lea 0x10($out),$out
.Lcbc_dec_tail:
movups ($inp),$inout0
movaps $inout0,$in0
cmp \$0x10,$len
jbe .Lcbc_dec_one
movups 0x10($inp),$inout1
movaps $inout1,$in1
cmp \$0x20,$len
jbe .Lcbc_dec_two
movups 0x20($inp),$inout2
movaps $inout2,$in2
cmp \$0x30,$len
jbe .Lcbc_dec_three
movups 0x30($inp),$inout3
cmp \$0x40,$len
jbe .Lcbc_dec_four
movups 0x40($inp),$inout4
cmp \$0x50,$len
jbe .Lcbc_dec_five
movups 0x50($inp),$inout5
cmp \$0x60,$len
jbe .Lcbc_dec_six
movups 0x60($inp),$inout6
movaps $iv,$reserved(%rsp) # save IV
call _aesni_decrypt8
movups ($inp),$rndkey1
movups 0x10($inp),$rndkey0
xorps $reserved(%rsp),$inout0 # ^= IV
xorps $rndkey1,$inout1
movups 0x20($inp),$rndkey1
xorps $rndkey0,$inout2
movups 0x30($inp),$rndkey0
xorps $rndkey1,$inout3
movups 0x40($inp),$rndkey1
xorps $rndkey0,$inout4
movups 0x50($inp),$rndkey0
xorps $rndkey1,$inout5
movups 0x60($inp),$iv # IV
xorps $rndkey0,$inout6
movups $inout0,($out)
movups $inout1,0x10($out)
movups $inout2,0x20($out)
movups $inout3,0x30($out)
movups $inout4,0x40($out)
movups $inout5,0x50($out)
lea 0x60($out),$out
movaps $inout6,$inout0
sub \$0x70,$len
jmp .Lcbc_dec_tail_collected
.align 16
.Lcbc_dec_one:
___
&aesni_generate1("dec",$key,$rounds);
$code.=<<___;
xorps $iv,$inout0
movaps $in0,$iv
sub \$0x10,$len
jmp .Lcbc_dec_tail_collected
.align 16
.Lcbc_dec_two:
xorps $inout2,$inout2
call _aesni_decrypt3
xorps $iv,$inout0
xorps $in0,$inout1
movups $inout0,($out)
movaps $in1,$iv
movaps $inout1,$inout0
lea 0x10($out),$out
sub \$0x20,$len
jmp .Lcbc_dec_tail_collected
.align 16
.Lcbc_dec_three:
call _aesni_decrypt3
xorps $iv,$inout0
xorps $in0,$inout1
movups $inout0,($out)
xorps $in1,$inout2
movups $inout1,0x10($out)
movaps $in2,$iv
movaps $inout2,$inout0
lea 0x20($out),$out
sub \$0x30,$len
jmp .Lcbc_dec_tail_collected
.align 16
.Lcbc_dec_four:
call _aesni_decrypt4
xorps $iv,$inout0
movups 0x30($inp),$iv
xorps $in0,$inout1
movups $inout0,($out)
xorps $in1,$inout2
movups $inout1,0x10($out)
xorps $in2,$inout3
movups $inout2,0x20($out)
movaps $inout3,$inout0
lea 0x30($out),$out
sub \$0x40,$len
jmp .Lcbc_dec_tail_collected
.align 16
.Lcbc_dec_five:
xorps $inout5,$inout5
call _aesni_decrypt6
movups 0x10($inp),$rndkey1
movups 0x20($inp),$rndkey0
xorps $iv,$inout0
xorps $in0,$inout1
xorps $rndkey1,$inout2
movups 0x30($inp),$rndkey1
xorps $rndkey0,$inout3
movups 0x40($inp),$iv
xorps $rndkey1,$inout4
movups $inout0,($out)
movups $inout1,0x10($out)
movups $inout2,0x20($out)
movups $inout3,0x30($out)
lea 0x40($out),$out
movaps $inout4,$inout0
sub \$0x50,$len
jmp .Lcbc_dec_tail_collected
.align 16
.Lcbc_dec_six:
call _aesni_decrypt6
movups 0x10($inp),$rndkey1
movups 0x20($inp),$rndkey0
xorps $iv,$inout0
xorps $in0,$inout1
xorps $rndkey1,$inout2
movups 0x30($inp),$rndkey1
xorps $rndkey0,$inout3
movups 0x40($inp),$rndkey0
xorps $rndkey1,$inout4
movups 0x50($inp),$iv
xorps $rndkey0,$inout5
movups $inout0,($out)
movups $inout1,0x10($out)
movups $inout2,0x20($out)
movups $inout3,0x30($out)
movups $inout4,0x40($out)
lea 0x50($out),$out
movaps $inout5,$inout0
sub \$0x60,$len
jmp .Lcbc_dec_tail_collected
.align 16
.Lcbc_dec_tail_collected:
and \$15,$len
movups $iv,($ivp)
jnz .Lcbc_dec_tail_partial
movups $inout0,($out)
jmp .Lcbc_dec_ret
.align 16
.Lcbc_dec_tail_partial:
movaps $inout0,$reserved(%rsp)
mov \$16,%rcx
mov $out,%rdi
sub $len,%rcx
lea $reserved(%rsp),%rsi
.long 0x9066A4F3 # rep movsb
.Lcbc_dec_ret:
___
$code.=<<___ if ($win64);
movaps (%rsp),%xmm6
movaps 0x10(%rsp),%xmm7
movaps 0x20(%rsp),%xmm8
movaps 0x30(%rsp),%xmm9
lea 0x58(%rsp),%rsp
___
$code.=<<___;
.Lcbc_ret:
ret
.size ${PREFIX}_cbc_encrypt,.-${PREFIX}_cbc_encrypt
___
}
# int $PREFIX_set_[en|de]crypt_key (const unsigned char *userKey,
# int bits, AES_KEY *key)
{ my ($inp,$bits,$key) = @_4args;
$bits =~ s/%r/%e/;
$code.=<<___;
.globl ${PREFIX}_set_decrypt_key
.type ${PREFIX}_set_decrypt_key,\@abi-omnipotent
.align 16
${PREFIX}_set_decrypt_key:
.byte 0x48,0x83,0xEC,0x08 # sub rsp,8
call __aesni_set_encrypt_key
shl \$4,$bits # rounds-1 after _aesni_set_encrypt_key
test %eax,%eax
jnz .Ldec_key_ret
lea 16($key,$bits),$inp # points at the end of key schedule
$movkey ($key),%xmm0 # just swap
$movkey ($inp),%xmm1
$movkey %xmm0,($inp)
$movkey %xmm1,($key)
lea 16($key),$key
lea -16($inp),$inp
.Ldec_key_inverse:
$movkey ($key),%xmm0 # swap and inverse
$movkey ($inp),%xmm1
aesimc %xmm0,%xmm0
aesimc %xmm1,%xmm1
lea 16($key),$key
lea -16($inp),$inp
$movkey %xmm0,16($inp)
$movkey %xmm1,-16($key)
cmp $key,$inp
ja .Ldec_key_inverse
$movkey ($key),%xmm0 # inverse middle
aesimc %xmm0,%xmm0
$movkey %xmm0,($inp)
.Ldec_key_ret:
add \$8,%rsp
ret
.LSEH_end_set_decrypt_key:
.size ${PREFIX}_set_decrypt_key,.-${PREFIX}_set_decrypt_key
___
# This is based on submission by
#
# Huang Ying <ying.huang@intel.com>
# Vinodh Gopal <vinodh.gopal@intel.com>
# Kahraman Akdemir
#
# Agressively optimized in respect to aeskeygenassist's critical path
# and is contained in %xmm0-5 to meet Win64 ABI requirement.
#
$code.=<<___;
.globl ${PREFIX}_set_encrypt_key
.type ${PREFIX}_set_encrypt_key,\@abi-omnipotent
.align 16
${PREFIX}_set_encrypt_key:
__aesni_set_encrypt_key:
.byte 0x48,0x83,0xEC,0x08 # sub rsp,8
mov \$-1,%rax
test $inp,$inp
jz .Lenc_key_ret
test $key,$key
jz .Lenc_key_ret
movups ($inp),%xmm0 # pull first 128 bits of *userKey
xorps %xmm4,%xmm4 # low dword of xmm4 is assumed 0
lea 16($key),%rax
cmp \$256,$bits
je .L14rounds
cmp \$192,$bits
je .L12rounds
cmp \$128,$bits
jne .Lbad_keybits
.L10rounds:
mov \$9,$bits # 10 rounds for 128-bit key
$movkey %xmm0,($key) # round 0
aeskeygenassist \$0x1,%xmm0,%xmm1 # round 1
call .Lkey_expansion_128_cold
aeskeygenassist \$0x2,%xmm0,%xmm1 # round 2
call .Lkey_expansion_128
aeskeygenassist \$0x4,%xmm0,%xmm1 # round 3
call .Lkey_expansion_128
aeskeygenassist \$0x8,%xmm0,%xmm1 # round 4
call .Lkey_expansion_128
aeskeygenassist \$0x10,%xmm0,%xmm1 # round 5
call .Lkey_expansion_128
aeskeygenassist \$0x20,%xmm0,%xmm1 # round 6
call .Lkey_expansion_128
aeskeygenassist \$0x40,%xmm0,%xmm1 # round 7
call .Lkey_expansion_128
aeskeygenassist \$0x80,%xmm0,%xmm1 # round 8
call .Lkey_expansion_128
aeskeygenassist \$0x1b,%xmm0,%xmm1 # round 9
call .Lkey_expansion_128
aeskeygenassist \$0x36,%xmm0,%xmm1 # round 10
call .Lkey_expansion_128
$movkey %xmm0,(%rax)
mov $bits,80(%rax) # 240(%rdx)
xor %eax,%eax
jmp .Lenc_key_ret
.align 16
.L12rounds:
movq 16($inp),%xmm2 # remaining 1/3 of *userKey
mov \$11,$bits # 12 rounds for 192
$movkey %xmm0,($key) # round 0
aeskeygenassist \$0x1,%xmm2,%xmm1 # round 1,2
call .Lkey_expansion_192a_cold
aeskeygenassist \$0x2,%xmm2,%xmm1 # round 2,3
call .Lkey_expansion_192b
aeskeygenassist \$0x4,%xmm2,%xmm1 # round 4,5
call .Lkey_expansion_192a
aeskeygenassist \$0x8,%xmm2,%xmm1 # round 5,6
call .Lkey_expansion_192b
aeskeygenassist \$0x10,%xmm2,%xmm1 # round 7,8
call .Lkey_expansion_192a
aeskeygenassist \$0x20,%xmm2,%xmm1 # round 8,9
call .Lkey_expansion_192b
aeskeygenassist \$0x40,%xmm2,%xmm1 # round 10,11
call .Lkey_expansion_192a
aeskeygenassist \$0x80,%xmm2,%xmm1 # round 11,12
call .Lkey_expansion_192b
$movkey %xmm0,(%rax)
mov $bits,48(%rax) # 240(%rdx)
xor %rax, %rax
jmp .Lenc_key_ret
.align 16
.L14rounds:
movups 16($inp),%xmm2 # remaning half of *userKey
mov \$13,$bits # 14 rounds for 256
lea 16(%rax),%rax
$movkey %xmm0,($key) # round 0
$movkey %xmm2,16($key) # round 1
aeskeygenassist \$0x1,%xmm2,%xmm1 # round 2
call .Lkey_expansion_256a_cold
aeskeygenassist \$0x1,%xmm0,%xmm1 # round 3
call .Lkey_expansion_256b
aeskeygenassist \$0x2,%xmm2,%xmm1 # round 4
call .Lkey_expansion_256a
aeskeygenassist \$0x2,%xmm0,%xmm1 # round 5
call .Lkey_expansion_256b
aeskeygenassist \$0x4,%xmm2,%xmm1 # round 6
call .Lkey_expansion_256a
aeskeygenassist \$0x4,%xmm0,%xmm1 # round 7
call .Lkey_expansion_256b
aeskeygenassist \$0x8,%xmm2,%xmm1 # round 8
call .Lkey_expansion_256a
aeskeygenassist \$0x8,%xmm0,%xmm1 # round 9
call .Lkey_expansion_256b
aeskeygenassist \$0x10,%xmm2,%xmm1 # round 10
call .Lkey_expansion_256a
aeskeygenassist \$0x10,%xmm0,%xmm1 # round 11
call .Lkey_expansion_256b
aeskeygenassist \$0x20,%xmm2,%xmm1 # round 12
call .Lkey_expansion_256a
aeskeygenassist \$0x20,%xmm0,%xmm1 # round 13
call .Lkey_expansion_256b
aeskeygenassist \$0x40,%xmm2,%xmm1 # round 14
call .Lkey_expansion_256a
$movkey %xmm0,(%rax)
mov $bits,16(%rax) # 240(%rdx)
xor %rax,%rax
jmp .Lenc_key_ret
.align 16
.Lbad_keybits:
mov \$-2,%rax
.Lenc_key_ret:
add \$8,%rsp
ret
.LSEH_end_set_encrypt_key:
.align 16
.Lkey_expansion_128:
$movkey %xmm0,(%rax)
lea 16(%rax),%rax
.Lkey_expansion_128_cold:
shufps \$0b00010000,%xmm0,%xmm4
xorps %xmm4, %xmm0
shufps \$0b10001100,%xmm0,%xmm4
xorps %xmm4, %xmm0
shufps \$0b11111111,%xmm1,%xmm1 # critical path
xorps %xmm1,%xmm0
ret
.align 16
.Lkey_expansion_192a:
$movkey %xmm0,(%rax)
lea 16(%rax),%rax
.Lkey_expansion_192a_cold:
movaps %xmm2, %xmm5
.Lkey_expansion_192b_warm:
shufps \$0b00010000,%xmm0,%xmm4
movdqa %xmm2,%xmm3
xorps %xmm4,%xmm0
shufps \$0b10001100,%xmm0,%xmm4
pslldq \$4,%xmm3
xorps %xmm4,%xmm0
pshufd \$0b01010101,%xmm1,%xmm1 # critical path
pxor %xmm3,%xmm2
pxor %xmm1,%xmm0
pshufd \$0b11111111,%xmm0,%xmm3
pxor %xmm3,%xmm2
ret
.align 16
.Lkey_expansion_192b:
movaps %xmm0,%xmm3
shufps \$0b01000100,%xmm0,%xmm5
$movkey %xmm5,(%rax)
shufps \$0b01001110,%xmm2,%xmm3
$movkey %xmm3,16(%rax)
lea 32(%rax),%rax
jmp .Lkey_expansion_192b_warm
.align 16
.Lkey_expansion_256a:
$movkey %xmm2,(%rax)
lea 16(%rax),%rax
.Lkey_expansion_256a_cold:
shufps \$0b00010000,%xmm0,%xmm4
xorps %xmm4,%xmm0
shufps \$0b10001100,%xmm0,%xmm4
xorps %xmm4,%xmm0
shufps \$0b11111111,%xmm1,%xmm1 # critical path
xorps %xmm1,%xmm0
ret
.align 16
.Lkey_expansion_256b:
$movkey %xmm0,(%rax)
lea 16(%rax),%rax
shufps \$0b00010000,%xmm2,%xmm4
xorps %xmm4,%xmm2
shufps \$0b10001100,%xmm2,%xmm4
xorps %xmm4,%xmm2
shufps \$0b10101010,%xmm1,%xmm1 # critical path
xorps %xmm1,%xmm2
ret
.size ${PREFIX}_set_encrypt_key,.-${PREFIX}_set_encrypt_key
.size __aesni_set_encrypt_key,.-__aesni_set_encrypt_key
___
}
$code.=<<___;
.align 64
.Lbswap_mask:
.byte 15,14,13,12,11,10,9,8,7,6,5,4,3,2,1,0
.Lincrement32:
.long 6,6,6,0
.Lincrement64:
.long 1,0,0,0
.Lxts_magic:
.long 0x87,0,1,0
.asciz "AES for Intel AES-NI, CRYPTOGAMS by <appro\@openssl.org>"
.align 64
___
# EXCEPTION_DISPOSITION handler (EXCEPTION_RECORD *rec,ULONG64 frame,
# CONTEXT *context,DISPATCHER_CONTEXT *disp)
if ($win64) {
$rec="%rcx";
$frame="%rdx";
$context="%r8";
$disp="%r9";
$code.=<<___;
.extern __imp_RtlVirtualUnwind
___
$code.=<<___ if ($PREFIX eq "aesni");
.type ecb_ccm64_se_handler,\@abi-omnipotent
.align 16
ecb_ccm64_se_handler:
push %rsi
push %rdi
push %rbx
push %rbp
push %r12
push %r13
push %r14
push %r15
pushfq
sub \$64,%rsp
mov 120($context),%rax # pull context->Rax
mov 248($context),%rbx # pull context->Rip
mov 8($disp),%rsi # disp->ImageBase
mov 56($disp),%r11 # disp->HandlerData
mov 0(%r11),%r10d # HandlerData[0]
lea (%rsi,%r10),%r10 # prologue label
cmp %r10,%rbx # context->Rip<prologue label
jb .Lcommon_seh_tail
mov 152($context),%rax # pull context->Rsp
mov 4(%r11),%r10d # HandlerData[1]
lea (%rsi,%r10),%r10 # epilogue label
cmp %r10,%rbx # context->Rip>=epilogue label
jae .Lcommon_seh_tail
lea 0(%rax),%rsi # %xmm save area
lea 512($context),%rdi # &context.Xmm6
mov \$8,%ecx # 4*sizeof(%xmm0)/sizeof(%rax)
.long 0xa548f3fc # cld; rep movsq
lea 0x58(%rax),%rax # adjust stack pointer
jmp .Lcommon_seh_tail
.size ecb_ccm64_se_handler,.-ecb_ccm64_se_handler
.type ctr32_se_handler,\@abi-omnipotent
.align 16
ctr32_se_handler:
push %rsi
push %rdi
push %rbx
push %rbp
push %r12
push %r13
push %r14
push %r15
pushfq
sub \$64,%rsp
mov 120($context),%rax # pull context->Rax
mov 248($context),%rbx # pull context->Rip
lea .Lctr32_body(%rip),%r10
cmp %r10,%rbx # context->Rip<"prologue" label
jb .Lcommon_seh_tail
mov 152($context),%rax # pull context->Rsp
lea .Lctr32_ret(%rip),%r10
cmp %r10,%rbx
jae .Lcommon_seh_tail
lea 0x20(%rax),%rsi # %xmm save area
lea 512($context),%rdi # &context.Xmm6
mov \$20,%ecx # 10*sizeof(%xmm0)/sizeof(%rax)
.long 0xa548f3fc # cld; rep movsq
lea 0xc8(%rax),%rax # adjust stack pointer
jmp .Lcommon_seh_tail
.size ctr32_se_handler,.-ctr32_se_handler
.type xts_se_handler,\@abi-omnipotent
.align 16
xts_se_handler:
push %rsi
push %rdi
push %rbx
push %rbp
push %r12
push %r13
push %r14
push %r15
pushfq
sub \$64,%rsp
mov 120($context),%rax # pull context->Rax
mov 248($context),%rbx # pull context->Rip
mov 8($disp),%rsi # disp->ImageBase
mov 56($disp),%r11 # disp->HandlerData
mov 0(%r11),%r10d # HandlerData[0]
lea (%rsi,%r10),%r10 # prologue lable
cmp %r10,%rbx # context->Rip<prologue label
jb .Lcommon_seh_tail
mov 152($context),%rax # pull context->Rsp
mov 4(%r11),%r10d # HandlerData[1]
lea (%rsi,%r10),%r10 # epilogue label
cmp %r10,%rbx # context->Rip>=epilogue label
jae .Lcommon_seh_tail
lea 0x60(%rax),%rsi # %xmm save area
lea 512($context),%rdi # & context.Xmm6
mov \$20,%ecx # 10*sizeof(%xmm0)/sizeof(%rax)
.long 0xa548f3fc # cld; rep movsq
lea 0x68+160(%rax),%rax # adjust stack pointer
jmp .Lcommon_seh_tail
.size xts_se_handler,.-xts_se_handler
___
$code.=<<___;
.type cbc_se_handler,\@abi-omnipotent
.align 16
cbc_se_handler:
push %rsi
push %rdi
push %rbx
push %rbp
push %r12
push %r13
push %r14
push %r15
pushfq
sub \$64,%rsp
mov 152($context),%rax # pull context->Rsp
mov 248($context),%rbx # pull context->Rip
lea .Lcbc_decrypt(%rip),%r10
cmp %r10,%rbx # context->Rip<"prologue" label
jb .Lcommon_seh_tail
lea .Lcbc_decrypt_body(%rip),%r10
cmp %r10,%rbx # context->Rip<cbc_decrypt_body
jb .Lrestore_cbc_rax
lea .Lcbc_ret(%rip),%r10
cmp %r10,%rbx # context->Rip>="epilogue" label
jae .Lcommon_seh_tail
lea 0(%rax),%rsi # top of stack
lea 512($context),%rdi # &context.Xmm6
mov \$8,%ecx # 4*sizeof(%xmm0)/sizeof(%rax)
.long 0xa548f3fc # cld; rep movsq
lea 0x58(%rax),%rax # adjust stack pointer
jmp .Lcommon_seh_tail
.Lrestore_cbc_rax:
mov 120($context),%rax
.Lcommon_seh_tail:
mov 8(%rax),%rdi
mov 16(%rax),%rsi
mov %rax,152($context) # restore context->Rsp
mov %rsi,168($context) # restore context->Rsi
mov %rdi,176($context) # restore context->Rdi
mov 40($disp),%rdi # disp->ContextRecord
mov $context,%rsi # context
mov \$154,%ecx # sizeof(CONTEXT)
.long 0xa548f3fc # cld; rep movsq
mov $disp,%rsi
xor %rcx,%rcx # arg1, UNW_FLAG_NHANDLER
mov 8(%rsi),%rdx # arg2, disp->ImageBase
mov 0(%rsi),%r8 # arg3, disp->ControlPc
mov 16(%rsi),%r9 # arg4, disp->FunctionEntry
mov 40(%rsi),%r10 # disp->ContextRecord
lea 56(%rsi),%r11 # &disp->HandlerData
lea 24(%rsi),%r12 # &disp->EstablisherFrame
mov %r10,32(%rsp) # arg5
mov %r11,40(%rsp) # arg6
mov %r12,48(%rsp) # arg7
mov %rcx,56(%rsp) # arg8, (NULL)
call *__imp_RtlVirtualUnwind(%rip)
mov \$1,%eax # ExceptionContinueSearch
add \$64,%rsp
popfq
pop %r15
pop %r14
pop %r13
pop %r12
pop %rbp
pop %rbx
pop %rdi
pop %rsi
ret
.size cbc_se_handler,.-cbc_se_handler
.section .pdata
.align 4
___
$code.=<<___ if ($PREFIX eq "aesni");
.rva .LSEH_begin_aesni_ecb_encrypt
.rva .LSEH_end_aesni_ecb_encrypt
.rva .LSEH_info_ecb
.rva .LSEH_begin_aesni_ccm64_encrypt_blocks
.rva .LSEH_end_aesni_ccm64_encrypt_blocks
.rva .LSEH_info_ccm64_enc
.rva .LSEH_begin_aesni_ccm64_decrypt_blocks
.rva .LSEH_end_aesni_ccm64_decrypt_blocks
.rva .LSEH_info_ccm64_dec
.rva .LSEH_begin_aesni_ctr32_encrypt_blocks
.rva .LSEH_end_aesni_ctr32_encrypt_blocks
.rva .LSEH_info_ctr32
.rva .LSEH_begin_aesni_xts_encrypt
.rva .LSEH_end_aesni_xts_encrypt
.rva .LSEH_info_xts_enc
.rva .LSEH_begin_aesni_xts_decrypt
.rva .LSEH_end_aesni_xts_decrypt
.rva .LSEH_info_xts_dec
___
$code.=<<___;
.rva .LSEH_begin_${PREFIX}_cbc_encrypt
.rva .LSEH_end_${PREFIX}_cbc_encrypt
.rva .LSEH_info_cbc
.rva ${PREFIX}_set_decrypt_key
.rva .LSEH_end_set_decrypt_key
.rva .LSEH_info_key
.rva ${PREFIX}_set_encrypt_key
.rva .LSEH_end_set_encrypt_key
.rva .LSEH_info_key
.section .xdata
.align 8
___
$code.=<<___ if ($PREFIX eq "aesni");
.LSEH_info_ecb:
.byte 9,0,0,0
.rva ecb_ccm64_se_handler
.rva .Lecb_enc_body,.Lecb_enc_ret # HandlerData[]
.LSEH_info_ccm64_enc:
.byte 9,0,0,0