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aes-s390x.pl: fix XTS bugs in z196-specific code path.

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This commit is contained in:
Andy Polyakov 2012-12-05 17:44:45 +00:00
parent fbeb85ecb9
commit 8df400cf8d
1 changed files with 11 additions and 11 deletions
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22
crypto/aes/asm/aes-s390x.pl
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@ -1598,11 +1598,11 @@ $code.=<<___ if(1);
lghi $s1,0x7f
nr $s1,%r0
lghi %r0,0 # query capability vector
la %r1,2*$SIZE_T($sp)
la %r1,$tweak-16($sp)
.long 0xb92e0042 # km %r4,%r2
llihh %r1,0x8000
srlg %r1,%r1,32($s1) # check for 32+function code
ng %r1,2*$SIZE_T($sp)
ng %r1,$tweak-16($sp)
lgr %r0,$s0 # restore the function code
la %r1,0($key1) # restore $key1
jz .Lxts_km_vanilla
@ -1628,7 +1628,7 @@ $code.=<<___ if(1);
lrvg $s0,$tweak+0($sp) # load the last tweak
lrvg $s1,$tweak+8($sp)
stmg %r0,%r3,$tweak-32(%r1) # wipe copy of the key
stmg %r0,%r3,$tweak-32($sp) # wipe copy of the key
nill %r0,0xffdf # switch back to original function code
la %r1,0($key1) # restore pointer to $key1
@ -1777,8 +1777,8 @@ $code.=<<___ if (!$softonly);
clr %r0,%r1
jl .Lxts_enc_software
st${g} $ra,5*$SIZE_T($sp)
stm${g} %r6,$s3,6*$SIZE_T($sp)
st${g} $ra,14*$SIZE_T($sp)
sllg $len,$len,4 # $len&=~15
slgr $out,$inp
@ -1826,9 +1826,9 @@ $code.=<<___ if (!$softonly);
stg $i2,8($i3)
.Lxts_enc_km_done:
l${g} $ra,14*$SIZE_T($sp)
st${g} $sp,$tweak($sp) # wipe tweak
st${g} $sp,$tweak($sp)
stg $sp,$tweak+0($sp) # wipe tweak
stg $sp,$tweak+8($sp)
l${g} $ra,5*$SIZE_T($sp)
lm${g} %r6,$s3,6*$SIZE_T($sp)
br $ra
.align 16
@ -1980,8 +1980,8 @@ $code.=<<___ if (!$softonly);
clr %r0,%r1
jl .Lxts_dec_software
st${g} $ra,5*$SIZE_T($sp)
stm${g} %r6,$s3,6*$SIZE_T($sp)
st${g} $ra,14*$SIZE_T($sp)
nill $len,0xfff0 # $len&=~15
slgr $out,$inp
@ -2065,9 +2065,9 @@ $code.=<<___ if (!$softonly);
stg $s2,0($i3)
stg $s3,8($i3)
.Lxts_dec_km_done:
l${g} $ra,14*$SIZE_T($sp)
st${g} $sp,$tweak($sp) # wipe tweak
st${g} $sp,$tweak($sp)
stg $sp,$tweak+0($sp) # wipe tweak
stg $sp,$tweak+8($sp)
l${g} $ra,5*$SIZE_T($sp)
lm${g} %r6,$s3,6*$SIZE_T($sp)
br $ra
.align 16