Index: cipher/Makefile.am =================================================================== --- cipher/Makefile.am +++ cipher/Makefile.am @@ -96,6 +96,10 @@ rijndael-ssse3-amd64.c rijndael-ssse3-amd64-asm.S \ rijndael-armv8-ce.c rijndael-armv8-aarch32-ce.S \ rijndael-armv8-aarch64-ce.S rijndael-aarch64.S \ + rijndael-ppc8.pl \ + rijndael-ppc8.S \ + rijndael-ppc8be.S \ + rijndael-ppc832.S \ rmd160.c \ rsa.c \ salsa20.c salsa20-amd64.S salsa20-armv7-neon.S \ Index: cipher/aesp8-ppc.pl =================================================================== --- cipher/aesp8-ppc.pl +++ /dev/null @@ -1,3801 +0,0 @@ -#! /usr/bin/env perl -# SPDX-License-Identifier: BSD-3-Clause -# -# ==================================================================== -# Written by Andy Polyakov for the OpenSSL -# project. The module is, however, dual licensed under OpenSSL and -# CRYPTOGAMS licenses depending on where you obtain it. For further -# details see http://www.openssl.org/~appro/cryptogams/. -# ==================================================================== -# -# This module implements support for AES instructions as per PowerISA -# specification version 2.07, first implemented by POWER8 processor. -# The module is endian-agnostic in sense that it supports both big- -# and little-endian cases. Data alignment in parallelizable modes is -# handled with VSX loads and stores, which implies MSR.VSX flag being -# set. It should also be noted that ISA specification doesn't prohibit -# alignment exceptions for these instructions on page boundaries. -# Initially alignment was handled in pure AltiVec/VMX way [when data -# is aligned programmatically, which in turn guarantees exception- -# free execution], but it turned to hamper performance when vcipher -# instructions are interleaved. It's reckoned that eventual -# misalignment penalties at page boundaries are in average lower -# than additional overhead in pure AltiVec approach. -# -# May 2016 -# -# Add XTS subroutine, 9x on little- and 12x improvement on big-endian -# systems were measured. -# -###################################################################### -# Current large-block performance in cycles per byte processed with -# 128-bit key (less is better). -# -# CBC en-/decrypt CTR XTS -# POWER8[le] 3.96/0.72 0.74 1.1 -# POWER8[be] 3.75/0.65 0.66 1.0 -# POWER9[le] 4.02/0.86 0.84 1.05 -# POWER9[be] 3.99/0.78 0.79 0.97 - -$flavour = shift; - -if ($flavour =~ /64/) { - $SIZE_T =8; - $LRSAVE =2*$SIZE_T; - $STU ="stdu"; - $POP ="ld"; - $PUSH ="std"; - $UCMP ="cmpld"; - $SHL ="sldi"; -} elsif ($flavour =~ /32/) { - $SIZE_T =4; - $LRSAVE =$SIZE_T; - $STU ="stwu"; - $POP ="lwz"; - $PUSH ="stw"; - $UCMP ="cmplw"; - $SHL ="slwi"; -} else { die "nonsense $flavour"; } - -$LITTLE_ENDIAN = ($flavour=~/le$/) ? $SIZE_T : 0; - -$0 =~ m/(.*[\/\\])[^\/\\]+$/; $dir=$1; -( $xlate="${dir}ppc-xlate.pl" and -f $xlate ) or -( $xlate="${dir}../../perlasm/ppc-xlate.pl" and -f $xlate) or -die "can't locate ppc-xlate.pl"; - -open STDOUT,"| $^X $xlate $flavour ".shift || die "can't call $xlate: $!"; - -$FRAME=8*$SIZE_T; -$prefix="aes_p8"; - -$sp="r1"; -$vrsave="r12"; - -######################################################################### -{{{ # Key setup procedures # -my ($inp,$bits,$out,$ptr,$cnt,$rounds)=map("r$_",(3..8)); -my ($zero,$in0,$in1,$key,$rcon,$mask,$tmp)=map("v$_",(0..6)); -my ($stage,$outperm,$outmask,$outhead,$outtail)=map("v$_",(7..11)); - -$code.=<<___; -.machine "any" - -.text - -.align 7 -rcon: -.long 0x01000000, 0x01000000, 0x01000000, 0x01000000 ?rev -.long 0x1b000000, 0x1b000000, 0x1b000000, 0x1b000000 ?rev -.long 0x0d0e0f0c, 0x0d0e0f0c, 0x0d0e0f0c, 0x0d0e0f0c ?rev -.long 0,0,0,0 ?asis -Lconsts: - mflr r0 - bcl 20,31,\$+4 - mflr $ptr #vvvvv "distance between . and rcon - addi $ptr,$ptr,-0x48 - mtlr r0 - blr - .long 0 - .byte 0,12,0x14,0,0,0,0,0 -.asciz "AES for PowerISA 2.07, CRYPTOGAMS by " - -.globl .${prefix}_set_encrypt_key -.align 5 -.${prefix}_set_encrypt_key: -Lset_encrypt_key: - mflr r11 - $PUSH r11,$LRSAVE($sp) - - li $ptr,-1 - ${UCMP}i $inp,0 - beq- Lenc_key_abort # if ($inp==0) return -1; - ${UCMP}i $out,0 - beq- Lenc_key_abort # if ($out==0) return -1; - li $ptr,-2 - cmpwi $bits,128 - blt- Lenc_key_abort - cmpwi $bits,256 - bgt- Lenc_key_abort - andi. r0,$bits,0x3f - bne- Lenc_key_abort - - lis r0,0xfff0 - mfspr $vrsave,256 - mtspr 256,r0 - - bl Lconsts - mtlr r11 - - neg r9,$inp - lvx $in0,0,$inp - addi $inp,$inp,15 # 15 is not typo - lvsr $key,0,r9 # borrow $key - li r8,0x20 - cmpwi $bits,192 - lvx $in1,0,$inp - le?vspltisb $mask,0x0f # borrow $mask - lvx $rcon,0,$ptr - le?vxor $key,$key,$mask # adjust for byte swap - lvx $mask,r8,$ptr - addi $ptr,$ptr,0x10 - vperm $in0,$in0,$in1,$key # align [and byte swap in LE] - li $cnt,8 - vxor $zero,$zero,$zero - mtctr $cnt - - ?lvsr $outperm,0,$out - vspltisb $outmask,-1 - lvx $outhead,0,$out - ?vperm $outmask,$zero,$outmask,$outperm - - blt Loop128 - addi $inp,$inp,8 - beq L192 - addi $inp,$inp,8 - b L256 - -.align 4 -Loop128: - vperm $key,$in0,$in0,$mask # rotate-n-splat - vsldoi $tmp,$zero,$in0,12 # >>32 - vperm $outtail,$in0,$in0,$outperm # rotate - vsel $stage,$outhead,$outtail,$outmask - vmr $outhead,$outtail - vcipherlast $key,$key,$rcon - stvx $stage,0,$out - addi $out,$out,16 - - vxor $in0,$in0,$tmp - vsldoi $tmp,$zero,$tmp,12 # >>32 - vxor $in0,$in0,$tmp - vsldoi $tmp,$zero,$tmp,12 # >>32 - vxor $in0,$in0,$tmp - vadduwm $rcon,$rcon,$rcon - vxor $in0,$in0,$key - bdnz Loop128 - - lvx $rcon,0,$ptr # last two round keys - - vperm $key,$in0,$in0,$mask # rotate-n-splat - vsldoi $tmp,$zero,$in0,12 # >>32 - vperm $outtail,$in0,$in0,$outperm # rotate - vsel $stage,$outhead,$outtail,$outmask - vmr $outhead,$outtail - vcipherlast $key,$key,$rcon - stvx $stage,0,$out - addi $out,$out,16 - - vxor $in0,$in0,$tmp - vsldoi $tmp,$zero,$tmp,12 # >>32 - vxor $in0,$in0,$tmp - vsldoi $tmp,$zero,$tmp,12 # >>32 - vxor $in0,$in0,$tmp - vadduwm $rcon,$rcon,$rcon - vxor $in0,$in0,$key - - vperm $key,$in0,$in0,$mask # rotate-n-splat - vsldoi $tmp,$zero,$in0,12 # >>32 - vperm $outtail,$in0,$in0,$outperm # rotate - vsel $stage,$outhead,$outtail,$outmask - vmr $outhead,$outtail - vcipherlast $key,$key,$rcon - stvx $stage,0,$out - addi $out,$out,16 - - vxor $in0,$in0,$tmp - vsldoi $tmp,$zero,$tmp,12 # >>32 - vxor $in0,$in0,$tmp - vsldoi $tmp,$zero,$tmp,12 # >>32 - vxor $in0,$in0,$tmp - vxor $in0,$in0,$key - vperm $outtail,$in0,$in0,$outperm # rotate - vsel $stage,$outhead,$outtail,$outmask - vmr $outhead,$outtail - stvx $stage,0,$out - - addi $inp,$out,15 # 15 is not typo - addi $out,$out,0x50 - - li $rounds,10 - b Ldone - -.align 4 -L192: - lvx $tmp,0,$inp - li $cnt,4 - vperm $outtail,$in0,$in0,$outperm # rotate - vsel $stage,$outhead,$outtail,$outmask - vmr $outhead,$outtail - stvx $stage,0,$out - addi $out,$out,16 - vperm $in1,$in1,$tmp,$key # align [and byte swap in LE] - vspltisb $key,8 # borrow $key - mtctr $cnt - vsububm $mask,$mask,$key # adjust the mask - -Loop192: - vperm $key,$in1,$in1,$mask # roate-n-splat - vsldoi $tmp,$zero,$in0,12 # >>32 - vcipherlast $key,$key,$rcon - - vxor $in0,$in0,$tmp - vsldoi $tmp,$zero,$tmp,12 # >>32 - vxor $in0,$in0,$tmp - vsldoi $tmp,$zero,$tmp,12 # >>32 - vxor $in0,$in0,$tmp - - vsldoi $stage,$zero,$in1,8 - vspltw $tmp,$in0,3 - vxor $tmp,$tmp,$in1 - vsldoi $in1,$zero,$in1,12 # >>32 - vadduwm $rcon,$rcon,$rcon - vxor $in1,$in1,$tmp - vxor $in0,$in0,$key - vxor $in1,$in1,$key - vsldoi $stage,$stage,$in0,8 - - vperm $key,$in1,$in1,$mask # rotate-n-splat - vsldoi $tmp,$zero,$in0,12 # >>32 - vperm $outtail,$stage,$stage,$outperm # rotate - vsel $stage,$outhead,$outtail,$outmask - vmr $outhead,$outtail - vcipherlast $key,$key,$rcon - stvx $stage,0,$out - addi $out,$out,16 - - vsldoi $stage,$in0,$in1,8 - vxor $in0,$in0,$tmp - vsldoi $tmp,$zero,$tmp,12 # >>32 - vperm $outtail,$stage,$stage,$outperm # rotate - vsel $stage,$outhead,$outtail,$outmask - vmr $outhead,$outtail - vxor $in0,$in0,$tmp - vsldoi $tmp,$zero,$tmp,12 # >>32 - vxor $in0,$in0,$tmp - stvx $stage,0,$out - addi $out,$out,16 - - vspltw $tmp,$in0,3 - vxor $tmp,$tmp,$in1 - vsldoi $in1,$zero,$in1,12 # >>32 - vadduwm $rcon,$rcon,$rcon - vxor $in1,$in1,$tmp - vxor $in0,$in0,$key - vxor $in1,$in1,$key - vperm $outtail,$in0,$in0,$outperm # rotate - vsel $stage,$outhead,$outtail,$outmask - vmr $outhead,$outtail - stvx $stage,0,$out - addi $inp,$out,15 # 15 is not typo - addi $out,$out,16 - bdnz Loop192 - - li $rounds,12 - addi $out,$out,0x20 - b Ldone - -.align 4 -L256: - lvx $tmp,0,$inp - li $cnt,7 - li $rounds,14 - vperm $outtail,$in0,$in0,$outperm # rotate - vsel $stage,$outhead,$outtail,$outmask - vmr $outhead,$outtail - stvx $stage,0,$out - addi $out,$out,16 - vperm $in1,$in1,$tmp,$key # align [and byte swap in LE] - mtctr $cnt - -Loop256: - vperm $key,$in1,$in1,$mask # rotate-n-splat - vsldoi $tmp,$zero,$in0,12 # >>32 - vperm $outtail,$in1,$in1,$outperm # rotate - vsel $stage,$outhead,$outtail,$outmask - vmr $outhead,$outtail - vcipherlast $key,$key,$rcon - stvx $stage,0,$out - addi $out,$out,16 - - vxor $in0,$in0,$tmp - vsldoi $tmp,$zero,$tmp,12 # >>32 - vxor $in0,$in0,$tmp - vsldoi $tmp,$zero,$tmp,12 # >>32 - vxor $in0,$in0,$tmp - vadduwm $rcon,$rcon,$rcon - vxor $in0,$in0,$key - vperm $outtail,$in0,$in0,$outperm # rotate - vsel $stage,$outhead,$outtail,$outmask - vmr $outhead,$outtail - stvx $stage,0,$out - addi $inp,$out,15 # 15 is not typo - addi $out,$out,16 - bdz Ldone - - vspltw $key,$in0,3 # just splat - vsldoi $tmp,$zero,$in1,12 # >>32 - vsbox $key,$key - - vxor $in1,$in1,$tmp - vsldoi $tmp,$zero,$tmp,12 # >>32 - vxor $in1,$in1,$tmp - vsldoi $tmp,$zero,$tmp,12 # >>32 - vxor $in1,$in1,$tmp - - vxor $in1,$in1,$key - b Loop256 - -.align 4 -Ldone: - lvx $in1,0,$inp # redundant in aligned case - vsel $in1,$outhead,$in1,$outmask - stvx $in1,0,$inp - li $ptr,0 - mtspr 256,$vrsave - stw $rounds,0($out) - -Lenc_key_abort: - mr r3,$ptr - blr - .long 0 - .byte 0,12,0x14,1,0,0,3,0 - .long 0 -.size .${prefix}_set_encrypt_key,.-.${prefix}_set_encrypt_key - -.globl .${prefix}_set_decrypt_key -.align 5 -.${prefix}_set_decrypt_key: - $STU $sp,-$FRAME($sp) - mflr r10 - $PUSH r10,$FRAME+$LRSAVE($sp) - bl Lset_encrypt_key - mtlr r10 - - cmpwi r3,0 - bne- Ldec_key_abort - - slwi $cnt,$rounds,4 - subi $inp,$out,240 # first round key - srwi $rounds,$rounds,1 - add $out,$inp,$cnt # last round key - mtctr $rounds - -Ldeckey: - lwz r0, 0($inp) - lwz r6, 4($inp) - lwz r7, 8($inp) - lwz r8, 12($inp) - addi $inp,$inp,16 - lwz r9, 0($out) - lwz r10,4($out) - lwz r11,8($out) - lwz r12,12($out) - stw r0, 0($out) - stw r6, 4($out) - stw r7, 8($out) - stw r8, 12($out) - subi $out,$out,16 - stw r9, -16($inp) - stw r10,-12($inp) - stw r11,-8($inp) - stw r12,-4($inp) - bdnz Ldeckey - - xor r3,r3,r3 # return value -Ldec_key_abort: - addi $sp,$sp,$FRAME - blr - .long 0 - .byte 0,12,4,1,0x80,0,3,0 - .long 0 -.size .${prefix}_set_decrypt_key,.-.${prefix}_set_decrypt_key -___ -}}} -######################################################################### -{{{ # Single block en- and decrypt procedures # -sub gen_block () { -my $dir = shift; -my $n = $dir eq "de" ? "n" : ""; -my ($inp,$out,$key,$rounds,$idx)=map("r$_",(3..7)); - -$code.=<<___; -.globl .${prefix}_${dir}crypt -.align 5 -.${prefix}_${dir}crypt: - lwz $rounds,240($key) - lis r0,0xfc00 - mfspr $vrsave,256 - li $idx,15 # 15 is not typo - mtspr 256,r0 - - lvx v0,0,$inp - neg r11,$out - lvx v1,$idx,$inp - lvsl v2,0,$inp # inpperm - le?vspltisb v4,0x0f - ?lvsl v3,0,r11 # outperm - le?vxor v2,v2,v4 - li $idx,16 - vperm v0,v0,v1,v2 # align [and byte swap in LE] - lvx v1,0,$key - ?lvsl v5,0,$key # keyperm - srwi $rounds,$rounds,1 - lvx v2,$idx,$key - addi $idx,$idx,16 - subi $rounds,$rounds,1 - ?vperm v1,v1,v2,v5 # align round key - - vxor v0,v0,v1 - lvx v1,$idx,$key - addi $idx,$idx,16 - mtctr $rounds - -Loop_${dir}c: - ?vperm v2,v2,v1,v5 - v${n}cipher v0,v0,v2 - lvx v2,$idx,$key - addi $idx,$idx,16 - ?vperm v1,v1,v2,v5 - v${n}cipher v0,v0,v1 - lvx v1,$idx,$key - addi $idx,$idx,16 - bdnz Loop_${dir}c - - ?vperm v2,v2,v1,v5 - v${n}cipher v0,v0,v2 - lvx v2,$idx,$key - ?vperm v1,v1,v2,v5 - v${n}cipherlast v0,v0,v1 - - vspltisb v2,-1 - vxor v1,v1,v1 - li $idx,15 # 15 is not typo - ?vperm v2,v1,v2,v3 # outmask - le?vxor v3,v3,v4 - lvx v1,0,$out # outhead - vperm v0,v0,v0,v3 # rotate [and byte swap in LE] - vsel v1,v1,v0,v2 - lvx v4,$idx,$out - stvx v1,0,$out - vsel v0,v0,v4,v2 - stvx v0,$idx,$out - - mtspr 256,$vrsave - blr - .long 0 - .byte 0,12,0x14,0,0,0,3,0 - .long 0 -.size .${prefix}_${dir}crypt,.-.${prefix}_${dir}crypt -___ -} -&gen_block("en"); -&gen_block("de"); -}}} -######################################################################### -{{{ # CBC en- and decrypt procedures # -my ($inp,$out,$len,$key,$ivp,$enc,$rounds,$idx)=map("r$_",(3..10)); -my ($rndkey0,$rndkey1,$inout,$tmp)= map("v$_",(0..3)); -my ($ivec,$inptail,$inpperm,$outhead,$outperm,$outmask,$keyperm)= - map("v$_",(4..10)); -$code.=<<___; -.globl .${prefix}_cbc_encrypt -.align 5 -.${prefix}_cbc_encrypt: - ${UCMP}i $len,16 - bltlr- - - cmpwi $enc,0 # test direction - lis r0,0xffe0 - mfspr $vrsave,256 - mtspr 256,r0 - - li $idx,15 - vxor $rndkey0,$rndkey0,$rndkey0 - le?vspltisb $tmp,0x0f - - lvx $ivec,0,$ivp # load [unaligned] iv - lvsl $inpperm,0,$ivp - lvx $inptail,$idx,$ivp - le?vxor $inpperm,$inpperm,$tmp - vperm $ivec,$ivec,$inptail,$inpperm - - neg r11,$inp - ?lvsl $keyperm,0,$key # prepare for unaligned key - lwz $rounds,240($key) - - lvsr $inpperm,0,r11 # prepare for unaligned load - lvx $inptail,0,$inp - addi $inp,$inp,15 # 15 is not typo - le?vxor $inpperm,$inpperm,$tmp - - ?lvsr $outperm,0,$out # prepare for unaligned store - vspltisb $outmask,-1 - lvx $outhead,0,$out - ?vperm $outmask,$rndkey0,$outmask,$outperm - le?vxor $outperm,$outperm,$tmp - - srwi $rounds,$rounds,1 - li $idx,16 - subi $rounds,$rounds,1 - beq Lcbc_dec - -Lcbc_enc: - vmr $inout,$inptail - lvx $inptail,0,$inp - addi $inp,$inp,16 - mtctr $rounds - subi $len,$len,16 # len-=16 - - lvx $rndkey0,0,$key - vperm $inout,$inout,$inptail,$inpperm - lvx $rndkey1,$idx,$key - addi $idx,$idx,16 - ?vperm $rndkey0,$rndkey0,$rndkey1,$keyperm - vxor $inout,$inout,$rndkey0 - lvx $rndkey0,$idx,$key - addi $idx,$idx,16 - vxor $inout,$inout,$ivec - -Loop_cbc_enc: - ?vperm $rndkey1,$rndkey1,$rndkey0,$keyperm - vcipher $inout,$inout,$rndkey1 - lvx $rndkey1,$idx,$key - addi $idx,$idx,16 - ?vperm $rndkey0,$rndkey0,$rndkey1,$keyperm - vcipher $inout,$inout,$rndkey0 - lvx $rndkey0,$idx,$key - addi $idx,$idx,16 - bdnz Loop_cbc_enc - - ?vperm $rndkey1,$rndkey1,$rndkey0,$keyperm - vcipher $inout,$inout,$rndkey1 - lvx $rndkey1,$idx,$key - li $idx,16 - ?vperm $rndkey0,$rndkey0,$rndkey1,$keyperm - vcipherlast $ivec,$inout,$rndkey0 - ${UCMP}i $len,16 - - vperm $tmp,$ivec,$ivec,$outperm - vsel $inout,$outhead,$tmp,$outmask - vmr $outhead,$tmp - stvx $inout,0,$out - addi $out,$out,16 - bge Lcbc_enc - - b Lcbc_done - -.align 4 -Lcbc_dec: - ${UCMP}i $len,128 - bge _aesp8_cbc_decrypt8x - vmr $tmp,$inptail - lvx $inptail,0,$inp - addi $inp,$inp,16 - mtctr $rounds - subi $len,$len,16 # len-=16 - - lvx $rndkey0,0,$key - vperm $tmp,$tmp,$inptail,$inpperm - lvx $rndkey1,$idx,$key - addi $idx,$idx,16 - ?vperm $rndkey0,$rndkey0,$rndkey1,$keyperm - vxor $inout,$tmp,$rndkey0 - lvx $rndkey0,$idx,$key - addi $idx,$idx,16 - -Loop_cbc_dec: - ?vperm $rndkey1,$rndkey1,$rndkey0,$keyperm - vncipher $inout,$inout,$rndkey1 - lvx $rndkey1,$idx,$key - addi $idx,$idx,16 - ?vperm $rndkey0,$rndkey0,$rndkey1,$keyperm - vncipher $inout,$inout,$rndkey0 - lvx $rndkey0,$idx,$key - addi $idx,$idx,16 - bdnz Loop_cbc_dec - - ?vperm $rndkey1,$rndkey1,$rndkey0,$keyperm - vncipher $inout,$inout,$rndkey1 - lvx $rndkey1,$idx,$key - li $idx,16 - ?vperm $rndkey0,$rndkey0,$rndkey1,$keyperm - vncipherlast $inout,$inout,$rndkey0 - ${UCMP}i $len,16 - - vxor $inout,$inout,$ivec - vmr $ivec,$tmp - vperm $tmp,$inout,$inout,$outperm - vsel $inout,$outhead,$tmp,$outmask - vmr $outhead,$tmp - stvx $inout,0,$out - addi $out,$out,16 - bge Lcbc_dec - -Lcbc_done: - addi $out,$out,-1 - lvx $inout,0,$out # redundant in aligned case - vsel $inout,$outhead,$inout,$outmask - stvx $inout,0,$out - - neg $enc,$ivp # write [unaligned] iv - li $idx,15 # 15 is not typo - vxor $rndkey0,$rndkey0,$rndkey0 - vspltisb $outmask,-1 - le?vspltisb $tmp,0x0f - ?lvsl $outperm,0,$enc - ?vperm $outmask,$rndkey0,$outmask,$outperm - le?vxor $outperm,$outperm,$tmp - lvx $outhead,0,$ivp - vperm $ivec,$ivec,$ivec,$outperm - vsel $inout,$outhead,$ivec,$outmask - lvx $inptail,$idx,$ivp - stvx $inout,0,$ivp - vsel $inout,$ivec,$inptail,$outmask - stvx $inout,$idx,$ivp - - mtspr 256,$vrsave - blr - .long 0 - .byte 0,12,0x14,0,0,0,6,0 - .long 0 -___ -######################################################################### -{{ # Optimized CBC decrypt procedure # -my $key_="r11"; -my ($x00,$x10,$x20,$x30,$x40,$x50,$x60,$x70)=map("r$_",(0,8,26..31)); - $x00=0 if ($flavour =~ /osx/); -my ($in0, $in1, $in2, $in3, $in4, $in5, $in6, $in7 )=map("v$_",(0..3,10..13)); -my ($out0,$out1,$out2,$out3,$out4,$out5,$out6,$out7)=map("v$_",(14..21)); -my $rndkey0="v23"; # v24-v25 rotating buffer for first found keys - # v26-v31 last 6 round keys -my ($tmp,$keyperm)=($in3,$in4); # aliases with "caller", redundant assignment - -$code.=<<___; -.align 5 -_aesp8_cbc_decrypt8x: - $STU $sp,-`($FRAME+21*16+6*$SIZE_T)`($sp) - li r10,`$FRAME+8*16+15` - li r11,`$FRAME+8*16+31` - stvx v20,r10,$sp # ABI says so - addi r10,r10,32 - stvx v21,r11,$sp - addi r11,r11,32 - stvx v22,r10,$sp - addi r10,r10,32 - stvx v23,r11,$sp - addi r11,r11,32 - stvx v24,r10,$sp - addi r10,r10,32 - stvx v25,r11,$sp - addi r11,r11,32 - stvx v26,r10,$sp - addi r10,r10,32 - stvx v27,r11,$sp - addi r11,r11,32 - stvx v28,r10,$sp - addi r10,r10,32 - stvx v29,r11,$sp - addi r11,r11,32 - stvx v30,r10,$sp - stvx v31,r11,$sp - li r0,-1 - stw $vrsave,`$FRAME+21*16-4`($sp) # save vrsave - li $x10,0x10 - $PUSH r26,`$FRAME+21*16+0*$SIZE_T`($sp) - li $x20,0x20 - $PUSH r27,`$FRAME+21*16+1*$SIZE_T`($sp) - li $x30,0x30 - $PUSH r28,`$FRAME+21*16+2*$SIZE_T`($sp) - li $x40,0x40 - $PUSH r29,`$FRAME+21*16+3*$SIZE_T`($sp) - li $x50,0x50 - $PUSH r30,`$FRAME+21*16+4*$SIZE_T`($sp) - li $x60,0x60 - $PUSH r31,`$FRAME+21*16+5*$SIZE_T`($sp) - li $x70,0x70 - mtspr 256,r0 - - subi $rounds,$rounds,3 # -4 in total - subi $len,$len,128 # bias - - lvx $rndkey0,$x00,$key # load key schedule - lvx v30,$x10,$key - addi $key,$key,0x20 - lvx v31,$x00,$key - ?vperm $rndkey0,$rndkey0,v30,$keyperm - addi $key_,$sp,$FRAME+15 - mtctr $rounds - -Load_cbc_dec_key: - ?vperm v24,v30,v31,$keyperm - lvx v30,$x10,$key - addi $key,$key,0x20 - stvx v24,$x00,$key_ # off-load round[1] - ?vperm v25,v31,v30,$keyperm - lvx v31,$x00,$key - stvx v25,$x10,$key_ # off-load round[2] - addi $key_,$key_,0x20 - bdnz Load_cbc_dec_key - - lvx v26,$x10,$key - ?vperm v24,v30,v31,$keyperm - lvx v27,$x20,$key - stvx v24,$x00,$key_ # off-load round[3] - ?vperm v25,v31,v26,$keyperm - lvx v28,$x30,$key - stvx v25,$x10,$key_ # off-load round[4] - addi $key_,$sp,$FRAME+15 # rewind $key_ - ?vperm v26,v26,v27,$keyperm - lvx v29,$x40,$key - ?vperm v27,v27,v28,$keyperm - lvx v30,$x50,$key - ?vperm v28,v28,v29,$keyperm - lvx v31,$x60,$key - ?vperm v29,v29,v30,$keyperm - lvx $out0,$x70,$key # borrow $out0 - ?vperm v30,v30,v31,$keyperm - lvx v24,$x00,$key_ # pre-load round[1] - ?vperm v31,v31,$out0,$keyperm - lvx v25,$x10,$key_ # pre-load round[2] - - #lvx $inptail,0,$inp # "caller" already did this - #addi $inp,$inp,15 # 15 is not typo - subi $inp,$inp,15 # undo "caller" - - le?li $idx,8 - lvx_u $in0,$x00,$inp # load first 8 "words" - le?lvsl $inpperm,0,$idx - le?vspltisb $tmp,0x0f - lvx_u $in1,$x10,$inp - le?vxor $inpperm,$inpperm,$tmp # transform for lvx_u/stvx_u - lvx_u $in2,$x20,$inp - le?vperm $in0,$in0,$in0,$inpperm - lvx_u $in3,$x30,$inp - le?vperm $in1,$in1,$in1,$inpperm - lvx_u $in4,$x40,$inp - le?vperm $in2,$in2,$in2,$inpperm - vxor $out0,$in0,$rndkey0 - lvx_u $in5,$x50,$inp - le?vperm $in3,$in3,$in3,$inpperm - vxor $out1,$in1,$rndkey0 - lvx_u $in6,$x60,$inp - le?vperm $in4,$in4,$in4,$inpperm - vxor $out2,$in2,$rndkey0 - lvx_u $in7,$x70,$inp - addi $inp,$inp,0x80 - le?vperm $in5,$in5,$in5,$inpperm - vxor $out3,$in3,$rndkey0 - le?vperm $in6,$in6,$in6,$inpperm - vxor $out4,$in4,$rndkey0 - le?vperm $in7,$in7,$in7,$inpperm - vxor $out5,$in5,$rndkey0 - vxor $out6,$in6,$rndkey0 - vxor $out7,$in7,$rndkey0 - - mtctr $rounds - b Loop_cbc_dec8x -.align 5 -Loop_cbc_dec8x: - vncipher $out0,$out0,v24 - vncipher $out1,$out1,v24 - vncipher $out2,$out2,v24 - vncipher $out3,$out3,v24 - vncipher $out4,$out4,v24 - vncipher $out5,$out5,v24 - vncipher $out6,$out6,v24 - vncipher $out7,$out7,v24 - lvx v24,$x20,$key_ # round[3] - addi $key_,$key_,0x20 - - vncipher $out0,$out0,v25 - vncipher $out1,$out1,v25 - vncipher $out2,$out2,v25 - vncipher $out3,$out3,v25 - vncipher $out4,$out4,v25 - vncipher $out5,$out5,v25 - vncipher $out6,$out6,v25 - vncipher $out7,$out7,v25 - lvx v25,$x10,$key_ # round[4] - bdnz Loop_cbc_dec8x - - subic $len,$len,128 # $len-=128 - vncipher $out0,$out0,v24 - vncipher $out1,$out1,v24 - vncipher $out2,$out2,v24 - vncipher $out3,$out3,v24 - vncipher $out4,$out4,v24 - vncipher $out5,$out5,v24 - vncipher $out6,$out6,v24 - vncipher $out7,$out7,v24 - - subfe. r0,r0,r0 # borrow?-1:0 - vncipher $out0,$out0,v25 - vncipher $out1,$out1,v25 - vncipher $out2,$out2,v25 - vncipher $out3,$out3,v25 - vncipher $out4,$out4,v25 - vncipher $out5,$out5,v25 - vncipher $out6,$out6,v25 - vncipher $out7,$out7,v25 - - and r0,r0,$len - vncipher $out0,$out0,v26 - vncipher $out1,$out1,v26 - vncipher $out2,$out2,v26 - vncipher $out3,$out3,v26 - vncipher $out4,$out4,v26 - vncipher $out5,$out5,v26 - vncipher $out6,$out6,v26 - vncipher $out7,$out7,v26 - - add $inp,$inp,r0 # $inp is adjusted in such - # way that at exit from the - # loop inX-in7 are loaded - # with last "words" - vncipher $out0,$out0,v27 - vncipher $out1,$out1,v27 - vncipher $out2,$out2,v27 - vncipher $out3,$out3,v27 - vncipher $out4,$out4,v27 - vncipher $out5,$out5,v27 - vncipher $out6,$out6,v27 - vncipher $out7,$out7,v27 - - addi $key_,$sp,$FRAME+15 # rewind $key_ - vncipher $out0,$out0,v28 - vncipher $out1,$out1,v28 - vncipher $out2,$out2,v28 - vncipher $out3,$out3,v28 - vncipher $out4,$out4,v28 - vncipher $out5,$out5,v28 - vncipher $out6,$out6,v28 - vncipher $out7,$out7,v28 - lvx v24,$x00,$key_ # re-pre-load round[1] - - vncipher $out0,$out0,v29 - vncipher $out1,$out1,v29 - vncipher $out2,$out2,v29 - vncipher $out3,$out3,v29 - vncipher $out4,$out4,v29 - vncipher $out5,$out5,v29 - vncipher $out6,$out6,v29 - vncipher $out7,$out7,v29 - lvx v25,$x10,$key_ # re-pre-load round[2] - - vncipher $out0,$out0,v30 - vxor $ivec,$ivec,v31 # xor with last round key - vncipher $out1,$out1,v30 - vxor $in0,$in0,v31 - vncipher $out2,$out2,v30 - vxor $in1,$in1,v31 - vncipher $out3,$out3,v30 - vxor $in2,$in2,v31 - vncipher $out4,$out4,v30 - vxor $in3,$in3,v31 - vncipher $out5,$out5,v30 - vxor $in4,$in4,v31 - vncipher $out6,$out6,v30 - vxor $in5,$in5,v31 - vncipher $out7,$out7,v30 - vxor $in6,$in6,v31 - - vncipherlast $out0,$out0,$ivec - vncipherlast $out1,$out1,$in0 - lvx_u $in0,$x00,$inp # load next input block - vncipherlast $out2,$out2,$in1 - lvx_u $in1,$x10,$inp - vncipherlast $out3,$out3,$in2 - le?vperm $in0,$in0,$in0,$inpperm - lvx_u $in2,$x20,$inp - vncipherlast $out4,$out4,$in3 - le?vperm $in1,$in1,$in1,$inpperm - lvx_u $in3,$x30,$inp - vncipherlast $out5,$out5,$in4 - le?vperm $in2,$in2,$in2,$inpperm - lvx_u $in4,$x40,$inp - vncipherlast $out6,$out6,$in5 - le?vperm $in3,$in3,$in3,$inpperm - lvx_u $in5,$x50,$inp - vncipherlast $out7,$out7,$in6 - le?vperm $in4,$in4,$in4,$inpperm - lvx_u $in6,$x60,$inp - vmr $ivec,$in7 - le?vperm $in5,$in5,$in5,$inpperm - lvx_u $in7,$x70,$inp - addi $inp,$inp,0x80 - - le?vperm $out0,$out0,$out0,$inpperm - le?vperm $out1,$out1,$out1,$inpperm - stvx_u $out0,$x00,$out - le?vperm $in6,$in6,$in6,$inpperm - vxor $out0,$in0,$rndkey0 - le?vperm $out2,$out2,$out2,$inpperm - stvx_u $out1,$x10,$out - le?vperm $in7,$in7,$in7,$inpperm - vxor $out1,$in1,$rndkey0 - le?vperm $out3,$out3,$out3,$inpperm - stvx_u $out2,$x20,$out - vxor $out2,$in2,$rndkey0 - le?vperm $out4,$out4,$out4,$inpperm - stvx_u $out3,$x30,$out - vxor $out3,$in3,$rndkey0 - le?vperm $out5,$out5,$out5,$inpperm - stvx_u $out4,$x40,$out - vxor $out4,$in4,$rndkey0 - le?vperm $out6,$out6,$out6,$inpperm - stvx_u $out5,$x50,$out - vxor $out5,$in5,$rndkey0 - le?vperm $out7,$out7,$out7,$inpperm - stvx_u $out6,$x60,$out - vxor $out6,$in6,$rndkey0 - stvx_u $out7,$x70,$out - addi $out,$out,0x80 - vxor $out7,$in7,$rndkey0 - - mtctr $rounds - beq Loop_cbc_dec8x # did $len-=128 borrow? - - addic. $len,$len,128 - beq Lcbc_dec8x_done - nop - nop - -Loop_cbc_dec8x_tail: # up to 7 "words" tail... - vncipher $out1,$out1,v24 - vncipher $out2,$out2,v24 - vncipher $out3,$out3,v24 - vncipher $out4,$out4,v24 - vncipher $out5,$out5,v24 - vncipher $out6,$out6,v24 - vncipher $out7,$out7,v24 - lvx v24,$x20,$key_ # round[3] - addi $key_,$key_,0x20 - - vncipher $out1,$out1,v25 - vncipher $out2,$out2,v25 - vncipher $out3,$out3,v25 - vncipher $out4,$out4,v25 - vncipher $out5,$out5,v25 - vncipher $out6,$out6,v25 - vncipher $out7,$out7,v25 - lvx v25,$x10,$key_ # round[4] - bdnz Loop_cbc_dec8x_tail - - vncipher $out1,$out1,v24 - vncipher $out2,$out2,v24 - vncipher $out3,$out3,v24 - vncipher $out4,$out4,v24 - vncipher $out5,$out5,v24 - vncipher $out6,$out6,v24 - vncipher $out7,$out7,v24 - - vncipher $out1,$out1,v25 - vncipher $out2,$out2,v25 - vncipher $out3,$out3,v25 - vncipher $out4,$out4,v25 - vncipher $out5,$out5,v25 - vncipher $out6,$out6,v25 - vncipher $out7,$out7,v25 - - vncipher $out1,$out1,v26 - vncipher $out2,$out2,v26 - vncipher $out3,$out3,v26 - vncipher $out4,$out4,v26 - vncipher $out5,$out5,v26 - vncipher $out6,$out6,v26 - vncipher $out7,$out7,v26 - - vncipher $out1,$out1,v27 - vncipher $out2,$out2,v27 - vncipher $out3,$out3,v27 - vncipher $out4,$out4,v27 - vncipher $out5,$out5,v27 - vncipher $out6,$out6,v27 - vncipher $out7,$out7,v27 - - vncipher $out1,$out1,v28 - vncipher $out2,$out2,v28 - vncipher $out3,$out3,v28 - vncipher $out4,$out4,v28 - vncipher $out5,$out5,v28 - vncipher $out6,$out6,v28 - vncipher $out7,$out7,v28 - - vncipher $out1,$out1,v29 - vncipher $out2,$out2,v29 - vncipher $out3,$out3,v29 - vncipher $out4,$out4,v29 - vncipher $out5,$out5,v29 - vncipher $out6,$out6,v29 - vncipher $out7,$out7,v29 - - vncipher $out1,$out1,v30 - vxor $ivec,$ivec,v31 # last round key - vncipher $out2,$out2,v30 - vxor $in1,$in1,v31 - vncipher $out3,$out3,v30 - vxor $in2,$in2,v31 - vncipher $out4,$out4,v30 - vxor $in3,$in3,v31 - vncipher $out5,$out5,v30 - vxor $in4,$in4,v31 - vncipher $out6,$out6,v30 - vxor $in5,$in5,v31 - vncipher $out7,$out7,v30 - vxor $in6,$in6,v31 - - cmplwi $len,32 # switch($len) - blt Lcbc_dec8x_one - nop - beq Lcbc_dec8x_two - cmplwi $len,64 - blt Lcbc_dec8x_three - nop - beq Lcbc_dec8x_four - cmplwi $len,96 - blt Lcbc_dec8x_five - nop - beq Lcbc_dec8x_six - -Lcbc_dec8x_seven: - vncipherlast $out1,$out1,$ivec - vncipherlast $out2,$out2,$in1 - vncipherlast $out3,$out3,$in2 - vncipherlast $out4,$out4,$in3 - vncipherlast $out5,$out5,$in4 - vncipherlast $out6,$out6,$in5 - vncipherlast $out7,$out7,$in6 - vmr $ivec,$in7 - - le?vperm $out1,$out1,$out1,$inpperm - le?vperm $out2,$out2,$out2,$inpperm - stvx_u $out1,$x00,$out - le?vperm $out3,$out3,$out3,$inpperm - stvx_u $out2,$x10,$out - le?vperm $out4,$out4,$out4,$inpperm - stvx_u $out3,$x20,$out - le?vperm $out5,$out5,$out5,$inpperm - stvx_u $out4,$x30,$out - le?vperm $out6,$out6,$out6,$inpperm - stvx_u $out5,$x40,$out - le?vperm $out7,$out7,$out7,$inpperm - stvx_u $out6,$x50,$out - stvx_u $out7,$x60,$out - addi $out,$out,0x70 - b Lcbc_dec8x_done - -.align 5 -Lcbc_dec8x_six: - vncipherlast $out2,$out2,$ivec - vncipherlast $out3,$out3,$in2 - vncipherlast $out4,$out4,$in3 - vncipherlast $out5,$out5,$in4 - vncipherlast $out6,$out6,$in5 - vncipherlast $out7,$out7,$in6 - vmr $ivec,$in7 - - le?vperm $out2,$out2,$out2,$inpperm - le?vperm $out3,$out3,$out3,$inpperm - stvx_u $out2,$x00,$out - le?vperm $out4,$out4,$out4,$inpperm - stvx_u $out3,$x10,$out - le?vperm $out5,$out5,$out5,$inpperm - stvx_u $out4,$x20,$out - le?vperm $out6,$out6,$out6,$inpperm - stvx_u $out5,$x30,$out - le?vperm $out7,$out7,$out7,$inpperm - stvx_u $out6,$x40,$out - stvx_u $out7,$x50,$out - addi $out,$out,0x60 - b Lcbc_dec8x_done - -.align 5 -Lcbc_dec8x_five: - vncipherlast $out3,$out3,$ivec - vncipherlast $out4,$out4,$in3 - vncipherlast $out5,$out5,$in4 - vncipherlast $out6,$out6,$in5 - vncipherlast $out7,$out7,$in6 - vmr $ivec,$in7 - - le?vperm $out3,$out3,$out3,$inpperm - le?vperm $out4,$out4,$out4,$inpperm - stvx_u $out3,$x00,$out - le?vperm $out5,$out5,$out5,$inpperm - stvx_u $out4,$x10,$out - le?vperm $out6,$out6,$out6,$inpperm - stvx_u $out5,$x20,$out - le?vperm $out7,$out7,$out7,$inpperm - stvx_u $out6,$x30,$out - stvx_u $out7,$x40,$out - addi $out,$out,0x50 - b Lcbc_dec8x_done - -.align 5 -Lcbc_dec8x_four: - vncipherlast $out4,$out4,$ivec - vncipherlast $out5,$out5,$in4 - vncipherlast $out6,$out6,$in5 - vncipherlast $out7,$out7,$in6 - vmr $ivec,$in7 - - le?vperm $out4,$out4,$out4,$inpperm - le?vperm $out5,$out5,$out5,$inpperm - stvx_u $out4,$x00,$out - le?vperm $out6,$out6,$out6,$inpperm - stvx_u $out5,$x10,$out - le?vperm $out7,$out7,$out7,$inpperm - stvx_u $out6,$x20,$out - stvx_u $out7,$x30,$out - addi $out,$out,0x40 - b Lcbc_dec8x_done - -.align 5 -Lcbc_dec8x_three: - vncipherlast $out5,$out5,$ivec - vncipherlast $out6,$out6,$in5 - vncipherlast $out7,$out7,$in6 - vmr $ivec,$in7 - - le?vperm $out5,$out5,$out5,$inpperm - le?vperm $out6,$out6,$out6,$inpperm - stvx_u $out5,$x00,$out - le?vperm $out7,$out7,$out7,$inpperm - stvx_u $out6,$x10,$out - stvx_u $out7,$x20,$out - addi $out,$out,0x30 - b Lcbc_dec8x_done - -.align 5 -Lcbc_dec8x_two: - vncipherlast $out6,$out6,$ivec - vncipherlast $out7,$out7,$in6 - vmr $ivec,$in7 - - le?vperm $out6,$out6,$out6,$inpperm - le?vperm $out7,$out7,$out7,$inpperm - stvx_u $out6,$x00,$out - stvx_u $out7,$x10,$out - addi $out,$out,0x20 - b Lcbc_dec8x_done - -.align 5 -Lcbc_dec8x_one: - vncipherlast $out7,$out7,$ivec - vmr $ivec,$in7 - - le?vperm $out7,$out7,$out7,$inpperm - stvx_u $out7,0,$out - addi $out,$out,0x10 - -Lcbc_dec8x_done: - le?vperm $ivec,$ivec,$ivec,$inpperm - stvx_u $ivec,0,$ivp # write [unaligned] iv - - li r10,`$FRAME+15` - li r11,`$FRAME+31` - stvx $inpperm,r10,$sp # wipe copies of round keys - addi r10,r10,32 - stvx $inpperm,r11,$sp - addi r11,r11,32 - stvx $inpperm,r10,$sp - addi r10,r10,32 - stvx $inpperm,r11,$sp - addi r11,r11,32 - stvx $inpperm,r10,$sp - addi r10,r10,32 - stvx $inpperm,r11,$sp - addi r11,r11,32 - stvx $inpperm,r10,$sp - addi r10,r10,32 - stvx $inpperm,r11,$sp - addi r11,r11,32 - - mtspr 256,$vrsave - lvx v20,r10,$sp # ABI says so - addi r10,r10,32 - lvx v21,r11,$sp - addi r11,r11,32 - lvx v22,r10,$sp - addi r10,r10,32 - lvx v23,r11,$sp - addi r11,r11,32 - lvx v24,r10,$sp - addi r10,r10,32 - lvx v25,r11,$sp - addi r11,r11,32 - lvx v26,r10,$sp - addi r10,r10,32 - lvx v27,r11,$sp - addi r11,r11,32 - lvx v28,r10,$sp - addi r10,r10,32 - lvx v29,r11,$sp - addi r11,r11,32 - lvx v30,r10,$sp - lvx v31,r11,$sp - $POP r26,`$FRAME+21*16+0*$SIZE_T`($sp) - $POP r27,`$FRAME+21*16+1*$SIZE_T`($sp) - $POP r28,`$FRAME+21*16+2*$SIZE_T`($sp) - $POP r29,`$FRAME+21*16+3*$SIZE_T`($sp) - $POP r30,`$FRAME+21*16+4*$SIZE_T`($sp) - $POP r31,`$FRAME+21*16+5*$SIZE_T`($sp) - addi $sp,$sp,`$FRAME+21*16+6*$SIZE_T` - blr - .long 0 - .byte 0,12,0x04,0,0x80,6,6,0 - .long 0 -.size .${prefix}_cbc_encrypt,.-.${prefix}_cbc_encrypt -___ -}} }}} - -######################################################################### -{{{ # CTR procedure[s] # -my ($inp,$out,$len,$key,$ivp,$x10,$rounds,$idx)=map("r$_",(3..10)); -my ($rndkey0,$rndkey1,$inout,$tmp)= map("v$_",(0..3)); -my ($ivec,$inptail,$inpperm,$outhead,$outperm,$outmask,$keyperm,$one)= - map("v$_",(4..11)); -my $dat=$tmp; - -$code.=<<___; -.globl .${prefix}_ctr32_encrypt_blocks -.align 5 -.${prefix}_ctr32_encrypt_blocks: - ${UCMP}i $len,1 - bltlr- - - lis r0,0xfff0 - mfspr $vrsave,256 - mtspr 256,r0 - - li $idx,15 - vxor $rndkey0,$rndkey0,$rndkey0 - le?vspltisb $tmp,0x0f - - lvx $ivec,0,$ivp # load [unaligned] iv - lvsl $inpperm,0,$ivp - lvx $inptail,$idx,$ivp - vspltisb $one,1 - le?vxor $inpperm,$inpperm,$tmp - vperm $ivec,$ivec,$inptail,$inpperm - vsldoi $one,$rndkey0,$one,1 - - neg r11,$inp - ?lvsl $keyperm,0,$key # prepare for unaligned key - lwz $rounds,240($key) - - lvsr $inpperm,0,r11 # prepare for unaligned load - lvx $inptail,0,$inp - addi $inp,$inp,15 # 15 is not typo - le?vxor $inpperm,$inpperm,$tmp - - srwi $rounds,$rounds,1 - li $idx,16 - subi $rounds,$rounds,1 - - ${UCMP}i $len,8 - bge _aesp8_ctr32_encrypt8x - - ?lvsr $outperm,0,$out # prepare for unaligned store - vspltisb $outmask,-1 - lvx $outhead,0,$out - ?vperm $outmask,$rndkey0,$outmask,$outperm - le?vxor $outperm,$outperm,$tmp - - lvx $rndkey0,0,$key - mtctr $rounds - lvx $rndkey1,$idx,$key - addi $idx,$idx,16 - ?vperm $rndkey0,$rndkey0,$rndkey1,$keyperm - vxor $inout,$ivec,$rndkey0 - lvx $rndkey0,$idx,$key - addi $idx,$idx,16 - b Loop_ctr32_enc - -.align 5 -Loop_ctr32_enc: - ?vperm $rndkey1,$rndkey1,$rndkey0,$keyperm - vcipher $inout,$inout,$rndkey1 - lvx $rndkey1,$idx,$key - addi $idx,$idx,16 - ?vperm $rndkey0,$rndkey0,$rndkey1,$keyperm - vcipher $inout,$inout,$rndkey0 - lvx $rndkey0,$idx,$key - addi $idx,$idx,16 - bdnz Loop_ctr32_enc - - vadduwm $ivec,$ivec,$one - vmr $dat,$inptail - lvx $inptail,0,$inp - addi $inp,$inp,16 - subic. $len,$len,1 # blocks-- - - ?vperm $rndkey1,$rndkey1,$rndkey0,$keyperm - vcipher $inout,$inout,$rndkey1 - lvx $rndkey1,$idx,$key - vperm $dat,$dat,$inptail,$inpperm - li $idx,16 - ?vperm $rndkey1,$rndkey0,$rndkey1,$keyperm - lvx $rndkey0,0,$key - vxor $dat,$dat,$rndkey1 # last round key - vcipherlast $inout,$inout,$dat - - lvx $rndkey1,$idx,$key - addi $idx,$idx,16 - vperm $inout,$inout,$inout,$outperm - vsel $dat,$outhead,$inout,$outmask - mtctr $rounds - ?vperm $rndkey0,$rndkey0,$rndkey1,$keyperm - vmr $outhead,$inout - vxor $inout,$ivec,$rndkey0 - lvx $rndkey0,$idx,$key - addi $idx,$idx,16 - stvx $dat,0,$out - addi $out,$out,16 - bne Loop_ctr32_enc - - addi $out,$out,-1 - lvx $inout,0,$out # redundant in aligned case - vsel $inout,$outhead,$inout,$outmask - stvx $inout,0,$out - - mtspr 256,$vrsave - blr - .long 0 - .byte 0,12,0x14,0,0,0,6,0 - .long 0 -___ -######################################################################### -{{ # Optimized CTR procedure # -my $key_="r11"; -my ($x00,$x10,$x20,$x30,$x40,$x50,$x60,$x70)=map("r$_",(0,8,26..31)); - $x00=0 if ($flavour =~ /osx/); -my ($in0, $in1, $in2, $in3, $in4, $in5, $in6, $in7 )=map("v$_",(0..3,10,12..14)); -my ($out0,$out1,$out2,$out3,$out4,$out5,$out6,$out7)=map("v$_",(15..22)); -my $rndkey0="v23"; # v24-v25 rotating buffer for first found keys - # v26-v31 last 6 round keys -my ($tmp,$keyperm)=($in3,$in4); # aliases with "caller", redundant assignment -my ($two,$three,$four)=($outhead,$outperm,$outmask); - -$code.=<<___; -.align 5 -_aesp8_ctr32_encrypt8x: - $STU $sp,-`($FRAME+21*16+6*$SIZE_T)`($sp) - li r10,`$FRAME+8*16+15` - li r11,`$FRAME+8*16+31` - stvx v20,r10,$sp # ABI says so - addi r10,r10,32 - stvx v21,r11,$sp - addi r11,r11,32 - stvx v22,r10,$sp - addi r10,r10,32 - stvx v23,r11,$sp - addi r11,r11,32 - stvx v24,r10,$sp - addi r10,r10,32 - stvx v25,r11,$sp - addi r11,r11,32 - stvx v26,r10,$sp - addi r10,r10,32 - stvx v27,r11,$sp - addi r11,r11,32 - stvx v28,r10,$sp - addi r10,r10,32 - stvx v29,r11,$sp - addi r11,r11,32 - stvx v30,r10,$sp - stvx v31,r11,$sp - li r0,-1 - stw $vrsave,`$FRAME+21*16-4`($sp) # save vrsave - li $x10,0x10 - $PUSH r26,`$FRAME+21*16+0*$SIZE_T`($sp) - li $x20,0x20 - $PUSH r27,`$FRAME+21*16+1*$SIZE_T`($sp) - li $x30,0x30 - $PUSH r28,`$FRAME+21*16+2*$SIZE_T`($sp) - li $x40,0x40 - $PUSH r29,`$FRAME+21*16+3*$SIZE_T`($sp) - li $x50,0x50 - $PUSH r30,`$FRAME+21*16+4*$SIZE_T`($sp) - li $x60,0x60 - $PUSH r31,`$FRAME+21*16+5*$SIZE_T`($sp) - li $x70,0x70 - mtspr 256,r0 - - subi $rounds,$rounds,3 # -4 in total - - lvx $rndkey0,$x00,$key # load key schedule - lvx v30,$x10,$key - addi $key,$key,0x20 - lvx v31,$x00,$key - ?vperm $rndkey0,$rndkey0,v30,$keyperm - addi $key_,$sp,$FRAME+15 - mtctr $rounds - -Load_ctr32_enc_key: - ?vperm v24,v30,v31,$keyperm - lvx v30,$x10,$key - addi $key,$key,0x20 - stvx v24,$x00,$key_ # off-load round[1] - ?vperm v25,v31,v30,$keyperm - lvx v31,$x00,$key - stvx v25,$x10,$key_ # off-load round[2] - addi $key_,$key_,0x20 - bdnz Load_ctr32_enc_key - - lvx v26,$x10,$key - ?vperm v24,v30,v31,$keyperm - lvx v27,$x20,$key - stvx v24,$x00,$key_ # off-load round[3] - ?vperm v25,v31,v26,$keyperm - lvx v28,$x30,$key - stvx v25,$x10,$key_ # off-load round[4] - addi $key_,$sp,$FRAME+15 # rewind $key_ - ?vperm v26,v26,v27,$keyperm - lvx v29,$x40,$key - ?vperm v27,v27,v28,$keyperm - lvx v30,$x50,$key - ?vperm v28,v28,v29,$keyperm - lvx v31,$x60,$key - ?vperm v29,v29,v30,$keyperm - lvx $out0,$x70,$key # borrow $out0 - ?vperm v30,v30,v31,$keyperm - lvx v24,$x00,$key_ # pre-load round[1] - ?vperm v31,v31,$out0,$keyperm - lvx v25,$x10,$key_ # pre-load round[2] - - vadduwm $two,$one,$one - subi $inp,$inp,15 # undo "caller" - $SHL $len,$len,4 - - vadduwm $out1,$ivec,$one # counter values ... - vadduwm $out2,$ivec,$two - vxor $out0,$ivec,$rndkey0 # ... xored with rndkey[0] - le?li $idx,8 - vadduwm $out3,$out1,$two - vxor $out1,$out1,$rndkey0 - le?lvsl $inpperm,0,$idx - vadduwm $out4,$out2,$two - vxor $out2,$out2,$rndkey0 - le?vspltisb $tmp,0x0f - vadduwm $out5,$out3,$two - vxor $out3,$out3,$rndkey0 - le?vxor $inpperm,$inpperm,$tmp # transform for lvx_u/stvx_u - vadduwm $out6,$out4,$two - vxor $out4,$out4,$rndkey0 - vadduwm $out7,$out5,$two - vxor $out5,$out5,$rndkey0 - vadduwm $ivec,$out6,$two # next counter value - vxor $out6,$out6,$rndkey0 - vxor $out7,$out7,$rndkey0 - - mtctr $rounds - b Loop_ctr32_enc8x -.align 5 -Loop_ctr32_enc8x: - vcipher $out0,$out0,v24 - vcipher $out1,$out1,v24 - vcipher $out2,$out2,v24 - vcipher $out3,$out3,v24 - vcipher $out4,$out4,v24 - vcipher $out5,$out5,v24 - vcipher $out6,$out6,v24 - vcipher $out7,$out7,v24 -Loop_ctr32_enc8x_middle: - lvx v24,$x20,$key_ # round[3] - addi $key_,$key_,0x20 - - vcipher $out0,$out0,v25 - vcipher $out1,$out1,v25 - vcipher $out2,$out2,v25 - vcipher $out3,$out3,v25 - vcipher $out4,$out4,v25 - vcipher $out5,$out5,v25 - vcipher $out6,$out6,v25 - vcipher $out7,$out7,v25 - lvx v25,$x10,$key_ # round[4] - bdnz Loop_ctr32_enc8x - - subic r11,$len,256 # $len-256, borrow $key_ - vcipher $out0,$out0,v24 - vcipher $out1,$out1,v24 - vcipher $out2,$out2,v24 - vcipher $out3,$out3,v24 - vcipher $out4,$out4,v24 - vcipher $out5,$out5,v24 - vcipher $out6,$out6,v24 - vcipher $out7,$out7,v24 - - subfe r0,r0,r0 # borrow?-1:0 - vcipher $out0,$out0,v25 - vcipher $out1,$out1,v25 - vcipher $out2,$out2,v25 - vcipher $out3,$out3,v25 - vcipher $out4,$out4,v25 - vcipher $out5,$out5,v25 - vcipher $out6,$out6,v25 - vcipher $out7,$out7,v25 - - and r0,r0,r11 - addi $key_,$sp,$FRAME+15 # rewind $key_ - vcipher $out0,$out0,v26 - vcipher $out1,$out1,v26 - vcipher $out2,$out2,v26 - vcipher $out3,$out3,v26 - vcipher $out4,$out4,v26 - vcipher $out5,$out5,v26 - vcipher $out6,$out6,v26 - vcipher $out7,$out7,v26 - lvx v24,$x00,$key_ # re-pre-load round[1] - - subic $len,$len,129 # $len-=129 - vcipher $out0,$out0,v27 - addi $len,$len,1 # $len-=128 really - vcipher $out1,$out1,v27 - vcipher $out2,$out2,v27 - vcipher $out3,$out3,v27 - vcipher $out4,$out4,v27 - vcipher $out5,$out5,v27 - vcipher $out6,$out6,v27 - vcipher $out7,$out7,v27 - lvx v25,$x10,$key_ # re-pre-load round[2] - - vcipher $out0,$out0,v28 - lvx_u $in0,$x00,$inp # load input - vcipher $out1,$out1,v28 - lvx_u $in1,$x10,$inp - vcipher $out2,$out2,v28 - lvx_u $in2,$x20,$inp - vcipher $out3,$out3,v28 - lvx_u $in3,$x30,$inp - vcipher $out4,$out4,v28 - lvx_u $in4,$x40,$inp - vcipher $out5,$out5,v28 - lvx_u $in5,$x50,$inp - vcipher $out6,$out6,v28 - lvx_u $in6,$x60,$inp - vcipher $out7,$out7,v28 - lvx_u $in7,$x70,$inp - addi $inp,$inp,0x80 - - vcipher $out0,$out0,v29 - le?vperm $in0,$in0,$in0,$inpperm - vcipher $out1,$out1,v29 - le?vperm $in1,$in1,$in1,$inpperm - vcipher $out2,$out2,v29 - le?vperm $in2,$in2,$in2,$inpperm - vcipher $out3,$out3,v29 - le?vperm $in3,$in3,$in3,$inpperm - vcipher $out4,$out4,v29 - le?vperm $in4,$in4,$in4,$inpperm - vcipher $out5,$out5,v29 - le?vperm $in5,$in5,$in5,$inpperm - vcipher $out6,$out6,v29 - le?vperm $in6,$in6,$in6,$inpperm - vcipher $out7,$out7,v29 - le?vperm $in7,$in7,$in7,$inpperm - - add $inp,$inp,r0 # $inp is adjusted in such - # way that at exit from the - # loop inX-in7 are loaded - # with last "words" - subfe. r0,r0,r0 # borrow?-1:0 - vcipher $out0,$out0,v30 - vxor $in0,$in0,v31 # xor with last round key - vcipher $out1,$out1,v30 - vxor $in1,$in1,v31 - vcipher $out2,$out2,v30 - vxor $in2,$in2,v31 - vcipher $out3,$out3,v30 - vxor $in3,$in3,v31 - vcipher $out4,$out4,v30 - vxor $in4,$in4,v31 - vcipher $out5,$out5,v30 - vxor $in5,$in5,v31 - vcipher $out6,$out6,v30 - vxor $in6,$in6,v31 - vcipher $out7,$out7,v30 - vxor $in7,$in7,v31 - - bne Lctr32_enc8x_break # did $len-129 borrow? - - vcipherlast $in0,$out0,$in0 - vcipherlast $in1,$out1,$in1 - vadduwm $out1,$ivec,$one # counter values ... - vcipherlast $in2,$out2,$in2 - vadduwm $out2,$ivec,$two - vxor $out0,$ivec,$rndkey0 # ... xored with rndkey[0] - vcipherlast $in3,$out3,$in3 - vadduwm $out3,$out1,$two - vxor $out1,$out1,$rndkey0 - vcipherlast $in4,$out4,$in4 - vadduwm $out4,$out2,$two - vxor $out2,$out2,$rndkey0 - vcipherlast $in5,$out5,$in5 - vadduwm $out5,$out3,$two - vxor $out3,$out3,$rndkey0 - vcipherlast $in6,$out6,$in6 - vadduwm $out6,$out4,$two - vxor $out4,$out4,$rndkey0 - vcipherlast $in7,$out7,$in7 - vadduwm $out7,$out5,$two - vxor $out5,$out5,$rndkey0 - le?vperm $in0,$in0,$in0,$inpperm - vadduwm $ivec,$out6,$two # next counter value - vxor $out6,$out6,$rndkey0 - le?vperm $in1,$in1,$in1,$inpperm - vxor $out7,$out7,$rndkey0 - mtctr $rounds - - vcipher $out0,$out0,v24 - stvx_u $in0,$x00,$out - le?vperm $in2,$in2,$in2,$inpperm - vcipher $out1,$out1,v24 - stvx_u $in1,$x10,$out - le?vperm $in3,$in3,$in3,$inpperm - vcipher $out2,$out2,v24 - stvx_u $in2,$x20,$out - le?vperm $in4,$in4,$in4,$inpperm - vcipher $out3,$out3,v24 - stvx_u $in3,$x30,$out - le?vperm $in5,$in5,$in5,$inpperm - vcipher $out4,$out4,v24 - stvx_u $in4,$x40,$out - le?vperm $in6,$in6,$in6,$inpperm - vcipher $out5,$out5,v24 - stvx_u $in5,$x50,$out - le?vperm $in7,$in7,$in7,$inpperm - vcipher $out6,$out6,v24 - stvx_u $in6,$x60,$out - vcipher $out7,$out7,v24 - stvx_u $in7,$x70,$out - addi $out,$out,0x80 - - b Loop_ctr32_enc8x_middle - -.align 5 -Lctr32_enc8x_break: - cmpwi $len,-0x60 - blt Lctr32_enc8x_one - nop - beq Lctr32_enc8x_two - cmpwi $len,-0x40 - blt Lctr32_enc8x_three - nop - beq Lctr32_enc8x_four - cmpwi $len,-0x20 - blt Lctr32_enc8x_five - nop - beq Lctr32_enc8x_six - cmpwi $len,0x00 - blt Lctr32_enc8x_seven - -Lctr32_enc8x_eight: - vcipherlast $out0,$out0,$in0 - vcipherlast $out1,$out1,$in1 - vcipherlast $out2,$out2,$in2 - vcipherlast $out3,$out3,$in3 - vcipherlast $out4,$out4,$in4 - vcipherlast $out5,$out5,$in5 - vcipherlast $out6,$out6,$in6 - vcipherlast $out7,$out7,$in7 - - le?vperm $out0,$out0,$out0,$inpperm - le?vperm $out1,$out1,$out1,$inpperm - stvx_u $out0,$x00,$out - le?vperm $out2,$out2,$out2,$inpperm - stvx_u $out1,$x10,$out - le?vperm $out3,$out3,$out3,$inpperm - stvx_u $out2,$x20,$out - le?vperm $out4,$out4,$out4,$inpperm - stvx_u $out3,$x30,$out - le?vperm $out5,$out5,$out5,$inpperm - stvx_u $out4,$x40,$out - le?vperm $out6,$out6,$out6,$inpperm - stvx_u $out5,$x50,$out - le?vperm $out7,$out7,$out7,$inpperm - stvx_u $out6,$x60,$out - stvx_u $out7,$x70,$out - addi $out,$out,0x80 - b Lctr32_enc8x_done - -.align 5 -Lctr32_enc8x_seven: - vcipherlast $out0,$out0,$in1 - vcipherlast $out1,$out1,$in2 - vcipherlast $out2,$out2,$in3 - vcipherlast $out3,$out3,$in4 - vcipherlast $out4,$out4,$in5 - vcipherlast $out5,$out5,$in6 - vcipherlast $out6,$out6,$in7 - - le?vperm $out0,$out0,$out0,$inpperm - le?vperm $out1,$out1,$out1,$inpperm - stvx_u $out0,$x00,$out - le?vperm $out2,$out2,$out2,$inpperm - stvx_u $out1,$x10,$out - le?vperm $out3,$out3,$out3,$inpperm - stvx_u $out2,$x20,$out - le?vperm $out4,$out4,$out4,$inpperm - stvx_u $out3,$x30,$out - le?vperm $out5,$out5,$out5,$inpperm - stvx_u $out4,$x40,$out - le?vperm $out6,$out6,$out6,$inpperm - stvx_u $out5,$x50,$out - stvx_u $out6,$x60,$out - addi $out,$out,0x70 - b Lctr32_enc8x_done - -.align 5 -Lctr32_enc8x_six: - vcipherlast $out0,$out0,$in2 - vcipherlast $out1,$out1,$in3 - vcipherlast $out2,$out2,$in4 - vcipherlast $out3,$out3,$in5 - vcipherlast $out4,$out4,$in6 - vcipherlast $out5,$out5,$in7 - - le?vperm $out0,$out0,$out0,$inpperm - le?vperm $out1,$out1,$out1,$inpperm - stvx_u $out0,$x00,$out - le?vperm $out2,$out2,$out2,$inpperm - stvx_u $out1,$x10,$out - le?vperm $out3,$out3,$out3,$inpperm - stvx_u $out2,$x20,$out - le?vperm $out4,$out4,$out4,$inpperm - stvx_u $out3,$x30,$out - le?vperm $out5,$out5,$out5,$inpperm - stvx_u $out4,$x40,$out - stvx_u $out5,$x50,$out - addi $out,$out,0x60 - b Lctr32_enc8x_done - -.align 5 -Lctr32_enc8x_five: - vcipherlast $out0,$out0,$in3 - vcipherlast $out1,$out1,$in4 - vcipherlast $out2,$out2,$in5 - vcipherlast $out3,$out3,$in6 - vcipherlast $out4,$out4,$in7 - - le?vperm $out0,$out0,$out0,$inpperm - le?vperm $out1,$out1,$out1,$inpperm - stvx_u $out0,$x00,$out - le?vperm $out2,$out2,$out2,$inpperm - stvx_u $out1,$x10,$out - le?vperm $out3,$out3,$out3,$inpperm - stvx_u $out2,$x20,$out - le?vperm $out4,$out4,$out4,$inpperm - stvx_u $out3,$x30,$out - stvx_u $out4,$x40,$out - addi $out,$out,0x50 - b Lctr32_enc8x_done - -.align 5 -Lctr32_enc8x_four: - vcipherlast $out0,$out0,$in4 - vcipherlast $out1,$out1,$in5 - vcipherlast $out2,$out2,$in6 - vcipherlast $out3,$out3,$in7 - - le?vperm $out0,$out0,$out0,$inpperm - le?vperm $out1,$out1,$out1,$inpperm - stvx_u $out0,$x00,$out - le?vperm $out2,$out2,$out2,$inpperm - stvx_u $out1,$x10,$out - le?vperm $out3,$out3,$out3,$inpperm - stvx_u $out2,$x20,$out - stvx_u $out3,$x30,$out - addi $out,$out,0x40 - b Lctr32_enc8x_done - -.align 5 -Lctr32_enc8x_three: - vcipherlast $out0,$out0,$in5 - vcipherlast $out1,$out1,$in6 - vcipherlast $out2,$out2,$in7 - - le?vperm $out0,$out0,$out0,$inpperm - le?vperm $out1,$out1,$out1,$inpperm - stvx_u $out0,$x00,$out - le?vperm $out2,$out2,$out2,$inpperm - stvx_u $out1,$x10,$out - stvx_u $out2,$x20,$out - addi $out,$out,0x30 - b Lctr32_enc8x_done - -.align 5 -Lctr32_enc8x_two: - vcipherlast $out0,$out0,$in6 - vcipherlast $out1,$out1,$in7 - - le?vperm $out0,$out0,$out0,$inpperm - le?vperm $out1,$out1,$out1,$inpperm - stvx_u $out0,$x00,$out - stvx_u $out1,$x10,$out - addi $out,$out,0x20 - b Lctr32_enc8x_done - -.align 5 -Lctr32_enc8x_one: - vcipherlast $out0,$out0,$in7 - - le?vperm $out0,$out0,$out0,$inpperm - stvx_u $out0,0,$out - addi $out,$out,0x10 - -Lctr32_enc8x_done: - li r10,`$FRAME+15` - li r11,`$FRAME+31` - stvx $inpperm,r10,$sp # wipe copies of round keys - addi r10,r10,32 - stvx $inpperm,r11,$sp - addi r11,r11,32 - stvx $inpperm,r10,$sp - addi r10,r10,32 - stvx $inpperm,r11,$sp - addi r11,r11,32 - stvx $inpperm,r10,$sp - addi r10,r10,32 - stvx $inpperm,r11,$sp - addi r11,r11,32 - stvx $inpperm,r10,$sp - addi r10,r10,32 - stvx $inpperm,r11,$sp - addi r11,r11,32 - - mtspr 256,$vrsave - lvx v20,r10,$sp # ABI says so - addi r10,r10,32 - lvx v21,r11,$sp - addi r11,r11,32 - lvx v22,r10,$sp - addi r10,r10,32 - lvx v23,r11,$sp - addi r11,r11,32 - lvx v24,r10,$sp - addi r10,r10,32 - lvx v25,r11,$sp - addi r11,r11,32 - lvx v26,r10,$sp - addi r10,r10,32 - lvx v27,r11,$sp - addi r11,r11,32 - lvx v28,r10,$sp - addi r10,r10,32 - lvx v29,r11,$sp - addi r11,r11,32 - lvx v30,r10,$sp - lvx v31,r11,$sp - $POP r26,`$FRAME+21*16+0*$SIZE_T`($sp) - $POP r27,`$FRAME+21*16+1*$SIZE_T`($sp) - $POP r28,`$FRAME+21*16+2*$SIZE_T`($sp) - $POP r29,`$FRAME+21*16+3*$SIZE_T`($sp) - $POP r30,`$FRAME+21*16+4*$SIZE_T`($sp) - $POP r31,`$FRAME+21*16+5*$SIZE_T`($sp) - addi $sp,$sp,`$FRAME+21*16+6*$SIZE_T` - blr - .long 0 - .byte 0,12,0x04,0,0x80,6,6,0 - .long 0 -.size .${prefix}_ctr32_encrypt_blocks,.-.${prefix}_ctr32_encrypt_blocks -___ -}} }}} - -######################################################################### -{{{ # XTS procedures # -# int aes_p8_xts_[en|de]crypt(const char *inp, char *out, size_t len, # -# const AES_KEY *key1, const AES_KEY *key2, # -# [const] unsigned char iv[16]); # -# If $key2 is NULL, then a "tweak chaining" mode is engaged, in which # -# input tweak value is assumed to be encrypted already, and last tweak # -# value, one suitable for consecutive call on same chunk of data, is # -# written back to original buffer. In addition, in "tweak chaining" # -# mode only complete input blocks are processed. # - -my ($inp,$out,$len,$key1,$key2,$ivp,$rounds,$idx) = map("r$_",(3..10)); -my ($rndkey0,$rndkey1,$inout) = map("v$_",(0..2)); -my ($output,$inptail,$inpperm,$leperm,$keyperm) = map("v$_",(3..7)); -my ($tweak,$seven,$eighty7,$tmp,$tweak1) = map("v$_",(8..12)); -my $taillen = $key2; - - ($inp,$idx) = ($idx,$inp); # reassign - -$code.=<<___; -.globl .${prefix}_xts_encrypt -.align 5 -.${prefix}_xts_encrypt: - mr $inp,r3 # reassign - li r3,-1 - ${UCMP}i $len,16 - bltlr- - - lis r0,0xfff0 - mfspr r12,256 # save vrsave - li r11,0 - mtspr 256,r0 - - vspltisb $seven,0x07 # 0x070707..07 - le?lvsl $leperm,r11,r11 - le?vspltisb $tmp,0x0f - le?vxor $leperm,$leperm,$seven - - li $idx,15 - lvx $tweak,0,$ivp # load [unaligned] iv - lvsl $inpperm,0,$ivp - lvx $inptail,$idx,$ivp - le?vxor $inpperm,$inpperm,$tmp - vperm $tweak,$tweak,$inptail,$inpperm - - neg r11,$inp - lvsr $inpperm,0,r11 # prepare for unaligned load - lvx $inout,0,$inp - addi $inp,$inp,15 # 15 is not typo - le?vxor $inpperm,$inpperm,$tmp - - ${UCMP}i $key2,0 # key2==NULL? - beq Lxts_enc_no_key2 - - ?lvsl $keyperm,0,$key2 # prepare for unaligned key - lwz $rounds,240($key2) - srwi $rounds,$rounds,1 - subi $rounds,$rounds,1 - li $idx,16 - - lvx $rndkey0,0,$key2 - lvx $rndkey1,$idx,$key2 - addi $idx,$idx,16 - ?vperm $rndkey0,$rndkey0,$rndkey1,$keyperm - vxor $tweak,$tweak,$rndkey0 - lvx $rndkey0,$idx,$key2 - addi $idx,$idx,16 - mtctr $rounds - -Ltweak_xts_enc: - ?vperm $rndkey1,$rndkey1,$rndkey0,$keyperm - vcipher $tweak,$tweak,$rndkey1 - lvx $rndkey1,$idx,$key2 - addi $idx,$idx,16 - ?vperm $rndkey0,$rndkey0,$rndkey1,$keyperm - vcipher $tweak,$tweak,$rndkey0 - lvx $rndkey0,$idx,$key2 - addi $idx,$idx,16 - bdnz Ltweak_xts_enc - - ?vperm $rndkey1,$rndkey1,$rndkey0,$keyperm - vcipher $tweak,$tweak,$rndkey1 - lvx $rndkey1,$idx,$key2 - ?vperm $rndkey0,$rndkey0,$rndkey1,$keyperm - vcipherlast $tweak,$tweak,$rndkey0 - - li $ivp,0 # don't chain the tweak - b Lxts_enc - -Lxts_enc_no_key2: - li $idx,-16 - and $len,$len,$idx # in "tweak chaining" - # mode only complete - # blocks are processed -Lxts_enc: - lvx $inptail,0,$inp - addi $inp,$inp,16 - - ?lvsl $keyperm,0,$key1 # prepare for unaligned key - lwz $rounds,240($key1) - srwi $rounds,$rounds,1 - subi $rounds,$rounds,1 - li $idx,16 - - vslb $eighty7,$seven,$seven # 0x808080..80 - vor $eighty7,$eighty7,$seven # 0x878787..87 - vspltisb $tmp,1 # 0x010101..01 - vsldoi $eighty7,$eighty7,$tmp,15 # 0x870101..01 - - ${UCMP}i $len,96 - bge _aesp8_xts_encrypt6x - - andi. $taillen,$len,15 - subic r0,$len,32 - subi $taillen,$taillen,16 - subfe r0,r0,r0 - and r0,r0,$taillen - add $inp,$inp,r0 - - lvx $rndkey0,0,$key1 - lvx $rndkey1,$idx,$key1 - addi $idx,$idx,16 - vperm $inout,$inout,$inptail,$inpperm - ?vperm $rndkey0,$rndkey0,$rndkey1,$keyperm - vxor $inout,$inout,$tweak - vxor $inout,$inout,$rndkey0 - lvx $rndkey0,$idx,$key1 - addi $idx,$idx,16 - mtctr $rounds - b Loop_xts_enc - -.align 5 -Loop_xts_enc: - ?vperm $rndkey1,$rndkey1,$rndkey0,$keyperm - vcipher $inout,$inout,$rndkey1 - lvx $rndkey1,$idx,$key1 - addi $idx,$idx,16 - ?vperm $rndkey0,$rndkey0,$rndkey1,$keyperm - vcipher $inout,$inout,$rndkey0 - lvx $rndkey0,$idx,$key1 - addi $idx,$idx,16 - bdnz Loop_xts_enc - - ?vperm $rndkey1,$rndkey1,$rndkey0,$keyperm - vcipher $inout,$inout,$rndkey1 - lvx $rndkey1,$idx,$key1 - li $idx,16 - ?vperm $rndkey0,$rndkey0,$rndkey1,$keyperm - vxor $rndkey0,$rndkey0,$tweak - vcipherlast $output,$inout,$rndkey0 - - le?vperm $tmp,$output,$output,$leperm - be?nop - le?stvx_u $tmp,0,$out - be?stvx_u $output,0,$out - addi $out,$out,16 - - subic. $len,$len,16 - beq Lxts_enc_done - - vmr $inout,$inptail - lvx $inptail,0,$inp - addi $inp,$inp,16 - lvx $rndkey0,0,$key1 - lvx $rndkey1,$idx,$key1 - addi $idx,$idx,16 - - subic r0,$len,32 - subfe r0,r0,r0 - and r0,r0,$taillen - add $inp,$inp,r0 - - vsrab $tmp,$tweak,$seven # next tweak value - vaddubm $tweak,$tweak,$tweak - vsldoi $tmp,$tmp,$tmp,15 - vand $tmp,$tmp,$eighty7 - vxor $tweak,$tweak,$tmp - - vperm $inout,$inout,$inptail,$inpperm - ?vperm $rndkey0,$rndkey0,$rndkey1,$keyperm - vxor $inout,$inout,$tweak - vxor $output,$output,$rndkey0 # just in case $len<16 - vxor $inout,$inout,$rndkey0 - lvx $rndkey0,$idx,$key1 - addi $idx,$idx,16 - - mtctr $rounds - ${UCMP}i $len,16 - bge Loop_xts_enc - - vxor $output,$output,$tweak - lvsr $inpperm,0,$len # $inpperm is no longer needed - vxor $inptail,$inptail,$inptail # $inptail is no longer needed - vspltisb $tmp,-1 - vperm $inptail,$inptail,$tmp,$inpperm - vsel $inout,$inout,$output,$inptail - - subi r11,$out,17 - subi $out,$out,16 - mtctr $len - li $len,16 -Loop_xts_enc_steal: - lbzu r0,1(r11) - stb r0,16(r11) - bdnz Loop_xts_enc_steal - - mtctr $rounds - b Loop_xts_enc # one more time... - -Lxts_enc_done: - ${UCMP}i $ivp,0 - beq Lxts_enc_ret - - vsrab $tmp,$tweak,$seven # next tweak value - vaddubm $tweak,$tweak,$tweak - vsldoi $tmp,$tmp,$tmp,15 - vand $tmp,$tmp,$eighty7 - vxor $tweak,$tweak,$tmp - - le?vperm $tweak,$tweak,$tweak,$leperm - stvx_u $tweak,0,$ivp - -Lxts_enc_ret: - mtspr 256,r12 # restore vrsave - li r3,0 - blr - .long 0 - .byte 0,12,0x04,0,0x80,6,6,0 - .long 0 -.size .${prefix}_xts_encrypt,.-.${prefix}_xts_encrypt - -.globl .${prefix}_xts_decrypt -.align 5 -.${prefix}_xts_decrypt: - mr $inp,r3 # reassign - li r3,-1 - ${UCMP}i $len,16 - bltlr- - - lis r0,0xfff8 - mfspr r12,256 # save vrsave - li r11,0 - mtspr 256,r0 - - andi. r0,$len,15 - neg r0,r0 - andi. r0,r0,16 - sub $len,$len,r0 - - vspltisb $seven,0x07 # 0x070707..07 - le?lvsl $leperm,r11,r11 - le?vspltisb $tmp,0x0f - le?vxor $leperm,$leperm,$seven - - li $idx,15 - lvx $tweak,0,$ivp # load [unaligned] iv - lvsl $inpperm,0,$ivp - lvx $inptail,$idx,$ivp - le?vxor $inpperm,$inpperm,$tmp - vperm $tweak,$tweak,$inptail,$inpperm - - neg r11,$inp - lvsr $inpperm,0,r11 # prepare for unaligned load - lvx $inout,0,$inp - addi $inp,$inp,15 # 15 is not typo - le?vxor $inpperm,$inpperm,$tmp - - ${UCMP}i $key2,0 # key2==NULL? - beq Lxts_dec_no_key2 - - ?lvsl $keyperm,0,$key2 # prepare for unaligned key - lwz $rounds,240($key2) - srwi $rounds,$rounds,1 - subi $rounds,$rounds,1 - li $idx,16 - - lvx $rndkey0,0,$key2 - lvx $rndkey1,$idx,$key2 - addi $idx,$idx,16 - ?vperm $rndkey0,$rndkey0,$rndkey1,$keyperm - vxor $tweak,$tweak,$rndkey0 - lvx $rndkey0,$idx,$key2 - addi $idx,$idx,16 - mtctr $rounds - -Ltweak_xts_dec: - ?vperm $rndkey1,$rndkey1,$rndkey0,$keyperm - vcipher $tweak,$tweak,$rndkey1 - lvx $rndkey1,$idx,$key2 - addi $idx,$idx,16 - ?vperm $rndkey0,$rndkey0,$rndkey1,$keyperm - vcipher $tweak,$tweak,$rndkey0 - lvx $rndkey0,$idx,$key2 - addi $idx,$idx,16 - bdnz Ltweak_xts_dec - - ?vperm $rndkey1,$rndkey1,$rndkey0,$keyperm - vcipher $tweak,$tweak,$rndkey1 - lvx $rndkey1,$idx,$key2 - ?vperm $rndkey0,$rndkey0,$rndkey1,$keyperm - vcipherlast $tweak,$tweak,$rndkey0 - - li $ivp,0 # don't chain the tweak - b Lxts_dec - -Lxts_dec_no_key2: - neg $idx,$len - andi. $idx,$idx,15 - add $len,$len,$idx # in "tweak chaining" - # mode only complete - # blocks are processed -Lxts_dec: - lvx $inptail,0,$inp - addi $inp,$inp,16 - - ?lvsl $keyperm,0,$key1 # prepare for unaligned key - lwz $rounds,240($key1) - srwi $rounds,$rounds,1 - subi $rounds,$rounds,1 - li $idx,16 - - vslb $eighty7,$seven,$seven # 0x808080..80 - vor $eighty7,$eighty7,$seven # 0x878787..87 - vspltisb $tmp,1 # 0x010101..01 - vsldoi $eighty7,$eighty7,$tmp,15 # 0x870101..01 - - ${UCMP}i $len,96 - bge _aesp8_xts_decrypt6x - - lvx $rndkey0,0,$key1 - lvx $rndkey1,$idx,$key1 - addi $idx,$idx,16 - vperm $inout,$inout,$inptail,$inpperm - ?vperm $rndkey0,$rndkey0,$rndkey1,$keyperm - vxor $inout,$inout,$tweak - vxor $inout,$inout,$rndkey0 - lvx $rndkey0,$idx,$key1 - addi $idx,$idx,16 - mtctr $rounds - - ${UCMP}i $len,16 - blt Ltail_xts_dec - be?b Loop_xts_dec - -.align 5 -Loop_xts_dec: - ?vperm $rndkey1,$rndkey1,$rndkey0,$keyperm - vncipher $inout,$inout,$rndkey1 - lvx $rndkey1,$idx,$key1 - addi $idx,$idx,16 - ?vperm $rndkey0,$rndkey0,$rndkey1,$keyperm - vncipher $inout,$inout,$rndkey0 - lvx $rndkey0,$idx,$key1 - addi $idx,$idx,16 - bdnz Loop_xts_dec - - ?vperm $rndkey1,$rndkey1,$rndkey0,$keyperm - vncipher $inout,$inout,$rndkey1 - lvx $rndkey1,$idx,$key1 - li $idx,16 - ?vperm $rndkey0,$rndkey0,$rndkey1,$keyperm - vxor $rndkey0,$rndkey0,$tweak - vncipherlast $output,$inout,$rndkey0 - - le?vperm $tmp,$output,$output,$leperm - be?nop - le?stvx_u $tmp,0,$out - be?stvx_u $output,0,$out - addi $out,$out,16 - - subic. $len,$len,16 - beq Lxts_dec_done - - vmr $inout,$inptail - lvx $inptail,0,$inp - addi $inp,$inp,16 - lvx $rndkey0,0,$key1 - lvx $rndkey1,$idx,$key1 - addi $idx,$idx,16 - - vsrab $tmp,$tweak,$seven # next tweak value - vaddubm $tweak,$tweak,$tweak - vsldoi $tmp,$tmp,$tmp,15 - vand $tmp,$tmp,$eighty7 - vxor $tweak,$tweak,$tmp - - vperm $inout,$inout,$inptail,$inpperm - ?vperm $rndkey0,$rndkey0,$rndkey1,$keyperm - vxor $inout,$inout,$tweak - vxor $inout,$inout,$rndkey0 - lvx $rndkey0,$idx,$key1 - addi $idx,$idx,16 - - mtctr $rounds - ${UCMP}i $len,16 - bge Loop_xts_dec - -Ltail_xts_dec: - vsrab $tmp,$tweak,$seven # next tweak value - vaddubm $tweak1,$tweak,$tweak - vsldoi $tmp,$tmp,$tmp,15 - vand $tmp,$tmp,$eighty7 - vxor $tweak1,$tweak1,$tmp - - subi $inp,$inp,16 - add $inp,$inp,$len - - vxor $inout,$inout,$tweak # :-( - vxor $inout,$inout,$tweak1 # :-) - -Loop_xts_dec_short: - ?vperm $rndkey1,$rndkey1,$rndkey0,$keyperm - vncipher $inout,$inout,$rndkey1 - lvx $rndkey1,$idx,$key1 - addi $idx,$idx,16 - ?vperm $rndkey0,$rndkey0,$rndkey1,$keyperm - vncipher $inout,$inout,$rndkey0 - lvx $rndkey0,$idx,$key1 - addi $idx,$idx,16 - bdnz Loop_xts_dec_short - - ?vperm $rndkey1,$rndkey1,$rndkey0,$keyperm - vncipher $inout,$inout,$rndkey1 - lvx $rndkey1,$idx,$key1 - li $idx,16 - ?vperm $rndkey0,$rndkey0,$rndkey1,$keyperm - vxor $rndkey0,$rndkey0,$tweak1 - vncipherlast $output,$inout,$rndkey0 - - le?vperm $tmp,$output,$output,$leperm - be?nop - le?stvx_u $tmp,0,$out - be?stvx_u $output,0,$out - - vmr $inout,$inptail - lvx $inptail,0,$inp - #addi $inp,$inp,16 - lvx $rndkey0,0,$key1 - lvx $rndkey1,$idx,$key1 - addi $idx,$idx,16 - vperm $inout,$inout,$inptail,$inpperm - ?vperm $rndkey0,$rndkey0,$rndkey1,$keyperm - - lvsr $inpperm,0,$len # $inpperm is no longer needed - vxor $inptail,$inptail,$inptail # $inptail is no longer needed - vspltisb $tmp,-1 - vperm $inptail,$inptail,$tmp,$inpperm - vsel $inout,$inout,$output,$inptail - - vxor $rndkey0,$rndkey0,$tweak - vxor $inout,$inout,$rndkey0 - lvx $rndkey0,$idx,$key1 - addi $idx,$idx,16 - - subi r11,$out,1 - mtctr $len - li $len,16 -Loop_xts_dec_steal: - lbzu r0,1(r11) - stb r0,16(r11) - bdnz Loop_xts_dec_steal - - mtctr $rounds - b Loop_xts_dec # one more time... - -Lxts_dec_done: - ${UCMP}i $ivp,0 - beq Lxts_dec_ret - - vsrab $tmp,$tweak,$seven # next tweak value - vaddubm $tweak,$tweak,$tweak - vsldoi $tmp,$tmp,$tmp,15 - vand $tmp,$tmp,$eighty7 - vxor $tweak,$tweak,$tmp - - le?vperm $tweak,$tweak,$tweak,$leperm - stvx_u $tweak,0,$ivp - -Lxts_dec_ret: - mtspr 256,r12 # restore vrsave - li r3,0 - blr - .long 0 - .byte 0,12,0x04,0,0x80,6,6,0 - .long 0 -.size .${prefix}_xts_decrypt,.-.${prefix}_xts_decrypt -___ -######################################################################### -{{ # Optimized XTS procedures # -my $key_=$key2; -my ($x00,$x10,$x20,$x30,$x40,$x50,$x60,$x70)=map("r$_",(0,3,26..31)); - $x00=0 if ($flavour =~ /osx/); -my ($in0, $in1, $in2, $in3, $in4, $in5 )=map("v$_",(0..5)); -my ($out0, $out1, $out2, $out3, $out4, $out5)=map("v$_",(7,12..16)); -my ($twk0, $twk1, $twk2, $twk3, $twk4, $twk5)=map("v$_",(17..22)); -my $rndkey0="v23"; # v24-v25 rotating buffer for first found keys - # v26-v31 last 6 round keys -my ($keyperm)=($out0); # aliases with "caller", redundant assignment -my $taillen=$x70; - -$code.=<<___; -.align 5 -_aesp8_xts_encrypt6x: - $STU $sp,-`($FRAME+21*16+6*$SIZE_T)`($sp) - mflr r11 - li r7,`$FRAME+8*16+15` - li r3,`$FRAME+8*16+31` - $PUSH r11,`$FRAME+21*16+6*$SIZE_T+$LRSAVE`($sp) - stvx v20,r7,$sp # ABI says so - addi r7,r7,32 - stvx v21,r3,$sp - addi r3,r3,32 - stvx v22,r7,$sp - addi r7,r7,32 - stvx v23,r3,$sp - addi r3,r3,32 - stvx v24,r7,$sp - addi r7,r7,32 - stvx v25,r3,$sp - addi r3,r3,32 - stvx v26,r7,$sp - addi r7,r7,32 - stvx v27,r3,$sp - addi r3,r3,32 - stvx v28,r7,$sp - addi r7,r7,32 - stvx v29,r3,$sp - addi r3,r3,32 - stvx v30,r7,$sp - stvx v31,r3,$sp - li r0,-1 - stw $vrsave,`$FRAME+21*16-4`($sp) # save vrsave - li $x10,0x10 - $PUSH r26,`$FRAME+21*16+0*$SIZE_T`($sp) - li $x20,0x20 - $PUSH r27,`$FRAME+21*16+1*$SIZE_T`($sp) - li $x30,0x30 - $PUSH r28,`$FRAME+21*16+2*$SIZE_T`($sp) - li $x40,0x40 - $PUSH r29,`$FRAME+21*16+3*$SIZE_T`($sp) - li $x50,0x50 - $PUSH r30,`$FRAME+21*16+4*$SIZE_T`($sp) - li $x60,0x60 - $PUSH r31,`$FRAME+21*16+5*$SIZE_T`($sp) - li $x70,0x70 - mtspr 256,r0 - - subi $rounds,$rounds,3 # -4 in total - - lvx $rndkey0,$x00,$key1 # load key schedule - lvx v30,$x10,$key1 - addi $key1,$key1,0x20 - lvx v31,$x00,$key1 - ?vperm $rndkey0,$rndkey0,v30,$keyperm - addi $key_,$sp,$FRAME+15 - mtctr $rounds - -Load_xts_enc_key: - ?vperm v24,v30,v31,$keyperm - lvx v30,$x10,$key1 - addi $key1,$key1,0x20 - stvx v24,$x00,$key_ # off-load round[1] - ?vperm v25,v31,v30,$keyperm - lvx v31,$x00,$key1 - stvx v25,$x10,$key_ # off-load round[2] - addi $key_,$key_,0x20 - bdnz Load_xts_enc_key - - lvx v26,$x10,$key1 - ?vperm v24,v30,v31,$keyperm - lvx v27,$x20,$key1 - stvx v24,$x00,$key_ # off-load round[3] - ?vperm v25,v31,v26,$keyperm - lvx v28,$x30,$key1 - stvx v25,$x10,$key_ # off-load round[4] - addi $key_,$sp,$FRAME+15 # rewind $key_ - ?vperm v26,v26,v27,$keyperm - lvx v29,$x40,$key1 - ?vperm v27,v27,v28,$keyperm - lvx v30,$x50,$key1 - ?vperm v28,v28,v29,$keyperm - lvx v31,$x60,$key1 - ?vperm v29,v29,v30,$keyperm - lvx $twk5,$x70,$key1 # borrow $twk5 - ?vperm v30,v30,v31,$keyperm - lvx v24,$x00,$key_ # pre-load round[1] - ?vperm v31,v31,$twk5,$keyperm - lvx v25,$x10,$key_ # pre-load round[2] - - vperm $in0,$inout,$inptail,$inpperm - subi $inp,$inp,31 # undo "caller" - vxor $twk0,$tweak,$rndkey0 - vsrab $tmp,$tweak,$seven # next tweak value - vaddubm $tweak,$tweak,$tweak - vsldoi $tmp,$tmp,$tmp,15 - vand $tmp,$tmp,$eighty7 - vxor $out0,$in0,$twk0 - vxor $tweak,$tweak,$tmp - - lvx_u $in1,$x10,$inp - vxor $twk1,$tweak,$rndkey0 - vsrab $tmp,$tweak,$seven # next tweak value - vaddubm $tweak,$tweak,$tweak - vsldoi $tmp,$tmp,$tmp,15 - le?vperm $in1,$in1,$in1,$leperm - vand $tmp,$tmp,$eighty7 - vxor $out1,$in1,$twk1 - vxor $tweak,$tweak,$tmp - - lvx_u $in2,$x20,$inp - andi. $taillen,$len,15 - vxor $twk2,$tweak,$rndkey0 - vsrab $tmp,$tweak,$seven # next tweak value - vaddubm $tweak,$tweak,$tweak - vsldoi $tmp,$tmp,$tmp,15 - le?vperm $in2,$in2,$in2,$leperm - vand $tmp,$tmp,$eighty7 - vxor $out2,$in2,$twk2 - vxor $tweak,$tweak,$tmp - - lvx_u $in3,$x30,$inp - sub $len,$len,$taillen - vxor $twk3,$tweak,$rndkey0 - vsrab $tmp,$tweak,$seven # next tweak value - vaddubm $tweak,$tweak,$tweak - vsldoi $tmp,$tmp,$tmp,15 - le?vperm $in3,$in3,$in3,$leperm - vand $tmp,$tmp,$eighty7 - vxor $out3,$in3,$twk3 - vxor $tweak,$tweak,$tmp - - lvx_u $in4,$x40,$inp - subi $len,$len,0x60 - vxor $twk4,$tweak,$rndkey0 - vsrab $tmp,$tweak,$seven # next tweak value - vaddubm $tweak,$tweak,$tweak - vsldoi $tmp,$tmp,$tmp,15 - le?vperm $in4,$in4,$in4,$leperm - vand $tmp,$tmp,$eighty7 - vxor $out4,$in4,$twk4 - vxor $tweak,$tweak,$tmp - - lvx_u $in5,$x50,$inp - addi $inp,$inp,0x60 - vxor $twk5,$tweak,$rndkey0 - vsrab $tmp,$tweak,$seven # next tweak value - vaddubm $tweak,$tweak,$tweak - vsldoi $tmp,$tmp,$tmp,15 - le?vperm $in5,$in5,$in5,$leperm - vand $tmp,$tmp,$eighty7 - vxor $out5,$in5,$twk5 - vxor $tweak,$tweak,$tmp - - vxor v31,v31,$rndkey0 - mtctr $rounds - b Loop_xts_enc6x - -.align 5 -Loop_xts_enc6x: - vcipher $out0,$out0,v24 - vcipher $out1,$out1,v24 - vcipher $out2,$out2,v24 - vcipher $out3,$out3,v24 - vcipher $out4,$out4,v24 - vcipher $out5,$out5,v24 - lvx v24,$x20,$key_ # round[3] - addi $key_,$key_,0x20 - - vcipher $out0,$out0,v25 - vcipher $out1,$out1,v25 - vcipher $out2,$out2,v25 - vcipher $out3,$out3,v25 - vcipher $out4,$out4,v25 - vcipher $out5,$out5,v25 - lvx v25,$x10,$key_ # round[4] - bdnz Loop_xts_enc6x - - subic $len,$len,96 # $len-=96 - vxor $in0,$twk0,v31 # xor with last round key - vcipher $out0,$out0,v24 - vcipher $out1,$out1,v24 - vsrab $tmp,$tweak,$seven # next tweak value - vxor $twk0,$tweak,$rndkey0 - vaddubm $tweak,$tweak,$tweak - vcipher $out2,$out2,v24 - vcipher $out3,$out3,v24 - vsldoi $tmp,$tmp,$tmp,15 - vcipher $out4,$out4,v24 - vcipher $out5,$out5,v24 - - subfe. r0,r0,r0 # borrow?-1:0 - vand $tmp,$tmp,$eighty7 - vcipher $out0,$out0,v25 - vcipher $out1,$out1,v25 - vxor $tweak,$tweak,$tmp - vcipher $out2,$out2,v25 - vcipher $out3,$out3,v25 - vxor $in1,$twk1,v31 - vsrab $tmp,$tweak,$seven # next tweak value - vxor $twk1,$tweak,$rndkey0 - vcipher $out4,$out4,v25 - vcipher $out5,$out5,v25 - - and r0,r0,$len - vaddubm $tweak,$tweak,$tweak - vsldoi $tmp,$tmp,$tmp,15 - vcipher $out0,$out0,v26 - vcipher $out1,$out1,v26 - vand $tmp,$tmp,$eighty7 - vcipher $out2,$out2,v26 - vcipher $out3,$out3,v26 - vxor $tweak,$tweak,$tmp - vcipher $out4,$out4,v26 - vcipher $out5,$out5,v26 - - add $inp,$inp,r0 # $inp is adjusted in such - # way that at exit from the - # loop inX-in5 are loaded - # with last "words" - vxor $in2,$twk2,v31 - vsrab $tmp,$tweak,$seven # next tweak value - vxor $twk2,$tweak,$rndkey0 - vaddubm $tweak,$tweak,$tweak - vcipher $out0,$out0,v27 - vcipher $out1,$out1,v27 - vsldoi $tmp,$tmp,$tmp,15 - vcipher $out2,$out2,v27 - vcipher $out3,$out3,v27 - vand $tmp,$tmp,$eighty7 - vcipher $out4,$out4,v27 - vcipher $out5,$out5,v27 - - addi $key_,$sp,$FRAME+15 # rewind $key_ - vxor $tweak,$tweak,$tmp - vcipher $out0,$out0,v28 - vcipher $out1,$out1,v28 - vxor $in3,$twk3,v31 - vsrab $tmp,$tweak,$seven # next tweak value - vxor $twk3,$tweak,$rndkey0 - vcipher $out2,$out2,v28 - vcipher $out3,$out3,v28 - vaddubm $tweak,$tweak,$tweak - vsldoi $tmp,$tmp,$tmp,15 - vcipher $out4,$out4,v28 - vcipher $out5,$out5,v28 - lvx v24,$x00,$key_ # re-pre-load round[1] - vand $tmp,$tmp,$eighty7 - - vcipher $out0,$out0,v29 - vcipher $out1,$out1,v29 - vxor $tweak,$tweak,$tmp - vcipher $out2,$out2,v29 - vcipher $out3,$out3,v29 - vxor $in4,$twk4,v31 - vsrab $tmp,$tweak,$seven # next tweak value - vxor $twk4,$tweak,$rndkey0 - vcipher $out4,$out4,v29 - vcipher $out5,$out5,v29 - lvx v25,$x10,$key_ # re-pre-load round[2] - vaddubm $tweak,$tweak,$tweak - vsldoi $tmp,$tmp,$tmp,15 - - vcipher $out0,$out0,v30 - vcipher $out1,$out1,v30 - vand $tmp,$tmp,$eighty7 - vcipher $out2,$out2,v30 - vcipher $out3,$out3,v30 - vxor $tweak,$tweak,$tmp - vcipher $out4,$out4,v30 - vcipher $out5,$out5,v30 - vxor $in5,$twk5,v31 - vsrab $tmp,$tweak,$seven # next tweak value - vxor $twk5,$tweak,$rndkey0 - - vcipherlast $out0,$out0,$in0 - lvx_u $in0,$x00,$inp # load next input block - vaddubm $tweak,$tweak,$tweak - vsldoi $tmp,$tmp,$tmp,15 - vcipherlast $out1,$out1,$in1 - lvx_u $in1,$x10,$inp - vcipherlast $out2,$out2,$in2 - le?vperm $in0,$in0,$in0,$leperm - lvx_u $in2,$x20,$inp - vand $tmp,$tmp,$eighty7 - vcipherlast $out3,$out3,$in3 - le?vperm $in1,$in1,$in1,$leperm - lvx_u $in3,$x30,$inp - vcipherlast $out4,$out4,$in4 - le?vperm $in2,$in2,$in2,$leperm - lvx_u $in4,$x40,$inp - vxor $tweak,$tweak,$tmp - vcipherlast $tmp,$out5,$in5 # last block might be needed - # in stealing mode - le?vperm $in3,$in3,$in3,$leperm - lvx_u $in5,$x50,$inp - addi $inp,$inp,0x60 - le?vperm $in4,$in4,$in4,$leperm - le?vperm $in5,$in5,$in5,$leperm - - le?vperm $out0,$out0,$out0,$leperm - le?vperm $out1,$out1,$out1,$leperm - stvx_u $out0,$x00,$out # store output - vxor $out0,$in0,$twk0 - le?vperm $out2,$out2,$out2,$leperm - stvx_u $out1,$x10,$out - vxor $out1,$in1,$twk1 - le?vperm $out3,$out3,$out3,$leperm - stvx_u $out2,$x20,$out - vxor $out2,$in2,$twk2 - le?vperm $out4,$out4,$out4,$leperm - stvx_u $out3,$x30,$out - vxor $out3,$in3,$twk3 - le?vperm $out5,$tmp,$tmp,$leperm - stvx_u $out4,$x40,$out - vxor $out4,$in4,$twk4 - le?stvx_u $out5,$x50,$out - be?stvx_u $tmp, $x50,$out - vxor $out5,$in5,$twk5 - addi $out,$out,0x60 - - mtctr $rounds - beq Loop_xts_enc6x # did $len-=96 borrow? - - addic. $len,$len,0x60 - beq Lxts_enc6x_zero - cmpwi $len,0x20 - blt Lxts_enc6x_one - nop - beq Lxts_enc6x_two - cmpwi $len,0x40 - blt Lxts_enc6x_three - nop - beq Lxts_enc6x_four - -Lxts_enc6x_five: - vxor $out0,$in1,$twk0 - vxor $out1,$in2,$twk1 - vxor $out2,$in3,$twk2 - vxor $out3,$in4,$twk3 - vxor $out4,$in5,$twk4 - - bl _aesp8_xts_enc5x - - le?vperm $out0,$out0,$out0,$leperm - vmr $twk0,$twk5 # unused tweak - le?vperm $out1,$out1,$out1,$leperm - stvx_u $out0,$x00,$out # store output - le?vperm $out2,$out2,$out2,$leperm - stvx_u $out1,$x10,$out - le?vperm $out3,$out3,$out3,$leperm - stvx_u $out2,$x20,$out - vxor $tmp,$out4,$twk5 # last block prep for stealing - le?vperm $out4,$out4,$out4,$leperm - stvx_u $out3,$x30,$out - stvx_u $out4,$x40,$out - addi $out,$out,0x50 - bne Lxts_enc6x_steal - b Lxts_enc6x_done - -.align 4 -Lxts_enc6x_four: - vxor $out0,$in2,$twk0 - vxor $out1,$in3,$twk1 - vxor $out2,$in4,$twk2 - vxor $out3,$in5,$twk3 - vxor $out4,$out4,$out4 - - bl _aesp8_xts_enc5x - - le?vperm $out0,$out0,$out0,$leperm - vmr $twk0,$twk4 # unused tweak - le?vperm $out1,$out1,$out1,$leperm - stvx_u $out0,$x00,$out # store output - le?vperm $out2,$out2,$out2,$leperm - stvx_u $out1,$x10,$out - vxor $tmp,$out3,$twk4 # last block prep for stealing - le?vperm $out3,$out3,$out3,$leperm - stvx_u $out2,$x20,$out - stvx_u $out3,$x30,$out - addi $out,$out,0x40 - bne Lxts_enc6x_steal - b Lxts_enc6x_done - -.align 4 -Lxts_enc6x_three: - vxor $out0,$in3,$twk0 - vxor $out1,$in4,$twk1 - vxor $out2,$in5,$twk2 - vxor $out3,$out3,$out3 - vxor $out4,$out4,$out4 - - bl _aesp8_xts_enc5x - - le?vperm $out0,$out0,$out0,$leperm - vmr $twk0,$twk3 # unused tweak - le?vperm $out1,$out1,$out1,$leperm - stvx_u $out0,$x00,$out # store output - vxor $tmp,$out2,$twk3 # last block prep for stealing - le?vperm $out2,$out2,$out2,$leperm - stvx_u $out1,$x10,$out - stvx_u $out2,$x20,$out - addi $out,$out,0x30 - bne Lxts_enc6x_steal - b Lxts_enc6x_done - -.align 4 -Lxts_enc6x_two: - vxor $out0,$in4,$twk0 - vxor $out1,$in5,$twk1 - vxor $out2,$out2,$out2 - vxor $out3,$out3,$out3 - vxor $out4,$out4,$out4 - - bl _aesp8_xts_enc5x - - le?vperm $out0,$out0,$out0,$leperm - vmr $twk0,$twk2 # unused tweak - vxor $tmp,$out1,$twk2 # last block prep for stealing - le?vperm $out1,$out1,$out1,$leperm - stvx_u $out0,$x00,$out # store output - stvx_u $out1,$x10,$out - addi $out,$out,0x20 - bne Lxts_enc6x_steal - b Lxts_enc6x_done - -.align 4 -Lxts_enc6x_one: - vxor $out0,$in5,$twk0 - nop -Loop_xts_enc1x: - vcipher $out0,$out0,v24 - lvx v24,$x20,$key_ # round[3] - addi $key_,$key_,0x20 - - vcipher $out0,$out0,v25 - lvx v25,$x10,$key_ # round[4] - bdnz Loop_xts_enc1x - - add $inp,$inp,$taillen - cmpwi $taillen,0 - vcipher $out0,$out0,v24 - - subi $inp,$inp,16 - vcipher $out0,$out0,v25 - - lvsr $inpperm,0,$taillen - vcipher $out0,$out0,v26 - - lvx_u $in0,0,$inp - vcipher $out0,$out0,v27 - - addi $key_,$sp,$FRAME+15 # rewind $key_ - vcipher $out0,$out0,v28 - lvx v24,$x00,$key_ # re-pre-load round[1] - - vcipher $out0,$out0,v29 - lvx v25,$x10,$key_ # re-pre-load round[2] - vxor $twk0,$twk0,v31 - - le?vperm $in0,$in0,$in0,$leperm - vcipher $out0,$out0,v30 - - vperm $in0,$in0,$in0,$inpperm - vcipherlast $out0,$out0,$twk0 - - vmr $twk0,$twk1 # unused tweak - vxor $tmp,$out0,$twk1 # last block prep for stealing - le?vperm $out0,$out0,$out0,$leperm - stvx_u $out0,$x00,$out # store output - addi $out,$out,0x10 - bne Lxts_enc6x_steal - b Lxts_enc6x_done - -.align 4 -Lxts_enc6x_zero: - cmpwi $taillen,0 - beq Lxts_enc6x_done - - add $inp,$inp,$taillen - subi $inp,$inp,16 - lvx_u $in0,0,$inp - lvsr $inpperm,0,$taillen # $in5 is no more - le?vperm $in0,$in0,$in0,$leperm - vperm $in0,$in0,$in0,$inpperm - vxor $tmp,$tmp,$twk0 -Lxts_enc6x_steal: - vxor $in0,$in0,$twk0 - vxor $out0,$out0,$out0 - vspltisb $out1,-1 - vperm $out0,$out0,$out1,$inpperm - vsel $out0,$in0,$tmp,$out0 # $tmp is last block, remember? - - subi r30,$out,17 - subi $out,$out,16 - mtctr $taillen -Loop_xts_enc6x_steal: - lbzu r0,1(r30) - stb r0,16(r30) - bdnz Loop_xts_enc6x_steal - - li $taillen,0 - mtctr $rounds - b Loop_xts_enc1x # one more time... - -.align 4 -Lxts_enc6x_done: - ${UCMP}i $ivp,0 - beq Lxts_enc6x_ret - - vxor $tweak,$twk0,$rndkey0 - le?vperm $tweak,$tweak,$tweak,$leperm - stvx_u $tweak,0,$ivp - -Lxts_enc6x_ret: - mtlr r11 - li r10,`$FRAME+15` - li r11,`$FRAME+31` - stvx $seven,r10,$sp # wipe copies of round keys - addi r10,r10,32 - stvx $seven,r11,$sp - addi r11,r11,32 - stvx $seven,r10,$sp - addi r10,r10,32 - stvx $seven,r11,$sp - addi r11,r11,32 - stvx $seven,r10,$sp - addi r10,r10,32 - stvx $seven,r11,$sp - addi r11,r11,32 - stvx $seven,r10,$sp - addi r10,r10,32 - stvx $seven,r11,$sp - addi r11,r11,32 - - mtspr 256,$vrsave - lvx v20,r10,$sp # ABI says so - addi r10,r10,32 - lvx v21,r11,$sp - addi r11,r11,32 - lvx v22,r10,$sp - addi r10,r10,32 - lvx v23,r11,$sp - addi r11,r11,32 - lvx v24,r10,$sp - addi r10,r10,32 - lvx v25,r11,$sp - addi r11,r11,32 - lvx v26,r10,$sp - addi r10,r10,32 - lvx v27,r11,$sp - addi r11,r11,32 - lvx v28,r10,$sp - addi r10,r10,32 - lvx v29,r11,$sp - addi r11,r11,32 - lvx v30,r10,$sp - lvx v31,r11,$sp - $POP r26,`$FRAME+21*16+0*$SIZE_T`($sp) - $POP r27,`$FRAME+21*16+1*$SIZE_T`($sp) - $POP r28,`$FRAME+21*16+2*$SIZE_T`($sp) - $POP r29,`$FRAME+21*16+3*$SIZE_T`($sp) - $POP r30,`$FRAME+21*16+4*$SIZE_T`($sp) - $POP r31,`$FRAME+21*16+5*$SIZE_T`($sp) - addi $sp,$sp,`$FRAME+21*16+6*$SIZE_T` - blr - .long 0 - .byte 0,12,0x04,1,0x80,6,6,0 - .long 0 - -.align 5 -_aesp8_xts_enc5x: - vcipher $out0,$out0,v24 - vcipher $out1,$out1,v24 - vcipher $out2,$out2,v24 - vcipher $out3,$out3,v24 - vcipher $out4,$out4,v24 - lvx v24,$x20,$key_ # round[3] - addi $key_,$key_,0x20 - - vcipher $out0,$out0,v25 - vcipher $out1,$out1,v25 - vcipher $out2,$out2,v25 - vcipher $out3,$out3,v25 - vcipher $out4,$out4,v25 - lvx v25,$x10,$key_ # round[4] - bdnz _aesp8_xts_enc5x - - add $inp,$inp,$taillen - cmpwi $taillen,0 - vcipher $out0,$out0,v24 - vcipher $out1,$out1,v24 - vcipher $out2,$out2,v24 - vcipher $out3,$out3,v24 - vcipher $out4,$out4,v24 - - subi $inp,$inp,16 - vcipher $out0,$out0,v25 - vcipher $out1,$out1,v25 - vcipher $out2,$out2,v25 - vcipher $out3,$out3,v25 - vcipher $out4,$out4,v25 - vxor $twk0,$twk0,v31 - - vcipher $out0,$out0,v26 - lvsr $inpperm,0,$taillen # $in5 is no more - vcipher $out1,$out1,v26 - vcipher $out2,$out2,v26 - vcipher $out3,$out3,v26 - vcipher $out4,$out4,v26 - vxor $in1,$twk1,v31 - - vcipher $out0,$out0,v27 - lvx_u $in0,0,$inp - vcipher $out1,$out1,v27 - vcipher $out2,$out2,v27 - vcipher $out3,$out3,v27 - vcipher $out4,$out4,v27 - vxor $in2,$twk2,v31 - - addi $key_,$sp,$FRAME+15 # rewind $key_ - vcipher $out0,$out0,v28 - vcipher $out1,$out1,v28 - vcipher $out2,$out2,v28 - vcipher $out3,$out3,v28 - vcipher $out4,$out4,v28 - lvx v24,$x00,$key_ # re-pre-load round[1] - vxor $in3,$twk3,v31 - - vcipher $out0,$out0,v29 - le?vperm $in0,$in0,$in0,$leperm - vcipher $out1,$out1,v29 - vcipher $out2,$out2,v29 - vcipher $out3,$out3,v29 - vcipher $out4,$out4,v29 - lvx v25,$x10,$key_ # re-pre-load round[2] - vxor $in4,$twk4,v31 - - vcipher $out0,$out0,v30 - vperm $in0,$in0,$in0,$inpperm - vcipher $out1,$out1,v30 - vcipher $out2,$out2,v30 - vcipher $out3,$out3,v30 - vcipher $out4,$out4,v30 - - vcipherlast $out0,$out0,$twk0 - vcipherlast $out1,$out1,$in1 - vcipherlast $out2,$out2,$in2 - vcipherlast $out3,$out3,$in3 - vcipherlast $out4,$out4,$in4 - blr - .long 0 - .byte 0,12,0x14,0,0,0,0,0 - -.align 5 -_aesp8_xts_decrypt6x: - $STU $sp,-`($FRAME+21*16+6*$SIZE_T)`($sp) - mflr r11 - li r7,`$FRAME+8*16+15` - li r3,`$FRAME+8*16+31` - $PUSH r11,`$FRAME+21*16+6*$SIZE_T+$LRSAVE`($sp) - stvx v20,r7,$sp # ABI says so - addi r7,r7,32 - stvx v21,r3,$sp - addi r3,r3,32 - stvx v22,r7,$sp - addi r7,r7,32 - stvx v23,r3,$sp - addi r3,r3,32 - stvx v24,r7,$sp - addi r7,r7,32 - stvx v25,r3,$sp - addi r3,r3,32 - stvx v26,r7,$sp - addi r7,r7,32 - stvx v27,r3,$sp - addi r3,r3,32 - stvx v28,r7,$sp - addi r7,r7,32 - stvx v29,r3,$sp - addi r3,r3,32 - stvx v30,r7,$sp - stvx v31,r3,$sp - li r0,-1 - stw $vrsave,`$FRAME+21*16-4`($sp) # save vrsave - li $x10,0x10 - $PUSH r26,`$FRAME+21*16+0*$SIZE_T`($sp) - li $x20,0x20 - $PUSH r27,`$FRAME+21*16+1*$SIZE_T`($sp) - li $x30,0x30 - $PUSH r28,`$FRAME+21*16+2*$SIZE_T`($sp) - li $x40,0x40 - $PUSH r29,`$FRAME+21*16+3*$SIZE_T`($sp) - li $x50,0x50 - $PUSH r30,`$FRAME+21*16+4*$SIZE_T`($sp) - li $x60,0x60 - $PUSH r31,`$FRAME+21*16+5*$SIZE_T`($sp) - li $x70,0x70 - mtspr 256,r0 - - subi $rounds,$rounds,3 # -4 in total - - lvx $rndkey0,$x00,$key1 # load key schedule - lvx v30,$x10,$key1 - addi $key1,$key1,0x20 - lvx v31,$x00,$key1 - ?vperm $rndkey0,$rndkey0,v30,$keyperm - addi $key_,$sp,$FRAME+15 - mtctr $rounds - -Load_xts_dec_key: - ?vperm v24,v30,v31,$keyperm - lvx v30,$x10,$key1 - addi $key1,$key1,0x20 - stvx v24,$x00,$key_ # off-load round[1] - ?vperm v25,v31,v30,$keyperm - lvx v31,$x00,$key1 - stvx v25,$x10,$key_ # off-load round[2] - addi $key_,$key_,0x20 - bdnz Load_xts_dec_key - - lvx v26,$x10,$key1 - ?vperm v24,v30,v31,$keyperm - lvx v27,$x20,$key1 - stvx v24,$x00,$key_ # off-load round[3] - ?vperm v25,v31,v26,$keyperm - lvx v28,$x30,$key1 - stvx v25,$x10,$key_ # off-load round[4] - addi $key_,$sp,$FRAME+15 # rewind $key_ - ?vperm v26,v26,v27,$keyperm - lvx v29,$x40,$key1 - ?vperm v27,v27,v28,$keyperm - lvx v30,$x50,$key1 - ?vperm v28,v28,v29,$keyperm - lvx v31,$x60,$key1 - ?vperm v29,v29,v30,$keyperm - lvx $twk5,$x70,$key1 # borrow $twk5 - ?vperm v30,v30,v31,$keyperm - lvx v24,$x00,$key_ # pre-load round[1] - ?vperm v31,v31,$twk5,$keyperm - lvx v25,$x10,$key_ # pre-load round[2] - - vperm $in0,$inout,$inptail,$inpperm - subi $inp,$inp,31 # undo "caller" - vxor $twk0,$tweak,$rndkey0 - vsrab $tmp,$tweak,$seven # next tweak value - vaddubm $tweak,$tweak,$tweak - vsldoi $tmp,$tmp,$tmp,15 - vand $tmp,$tmp,$eighty7 - vxor $out0,$in0,$twk0 - vxor $tweak,$tweak,$tmp - - lvx_u $in1,$x10,$inp - vxor $twk1,$tweak,$rndkey0 - vsrab $tmp,$tweak,$seven # next tweak value - vaddubm $tweak,$tweak,$tweak - vsldoi $tmp,$tmp,$tmp,15 - le?vperm $in1,$in1,$in1,$leperm - vand $tmp,$tmp,$eighty7 - vxor $out1,$in1,$twk1 - vxor $tweak,$tweak,$tmp - - lvx_u $in2,$x20,$inp - andi. $taillen,$len,15 - vxor $twk2,$tweak,$rndkey0 - vsrab $tmp,$tweak,$seven # next tweak value - vaddubm $tweak,$tweak,$tweak - vsldoi $tmp,$tmp,$tmp,15 - le?vperm $in2,$in2,$in2,$leperm - vand $tmp,$tmp,$eighty7 - vxor $out2,$in2,$twk2 - vxor $tweak,$tweak,$tmp - - lvx_u $in3,$x30,$inp - sub $len,$len,$taillen - vxor $twk3,$tweak,$rndkey0 - vsrab $tmp,$tweak,$seven # next tweak value - vaddubm $tweak,$tweak,$tweak - vsldoi $tmp,$tmp,$tmp,15 - le?vperm $in3,$in3,$in3,$leperm - vand $tmp,$tmp,$eighty7 - vxor $out3,$in3,$twk3 - vxor $tweak,$tweak,$tmp - - lvx_u $in4,$x40,$inp - subi $len,$len,0x60 - vxor $twk4,$tweak,$rndkey0 - vsrab $tmp,$tweak,$seven # next tweak value - vaddubm $tweak,$tweak,$tweak - vsldoi $tmp,$tmp,$tmp,15 - le?vperm $in4,$in4,$in4,$leperm - vand $tmp,$tmp,$eighty7 - vxor $out4,$in4,$twk4 - vxor $tweak,$tweak,$tmp - - lvx_u $in5,$x50,$inp - addi $inp,$inp,0x60 - vxor $twk5,$tweak,$rndkey0 - vsrab $tmp,$tweak,$seven # next tweak value - vaddubm $tweak,$tweak,$tweak - vsldoi $tmp,$tmp,$tmp,15 - le?vperm $in5,$in5,$in5,$leperm - vand $tmp,$tmp,$eighty7 - vxor $out5,$in5,$twk5 - vxor $tweak,$tweak,$tmp - - vxor v31,v31,$rndkey0 - mtctr $rounds - b Loop_xts_dec6x - -.align 5 -Loop_xts_dec6x: - vncipher $out0,$out0,v24 - vncipher $out1,$out1,v24 - vncipher $out2,$out2,v24 - vncipher $out3,$out3,v24 - vncipher $out4,$out4,v24 - vncipher $out5,$out5,v24 - lvx v24,$x20,$key_ # round[3] - addi $key_,$key_,0x20 - - vncipher $out0,$out0,v25 - vncipher $out1,$out1,v25 - vncipher $out2,$out2,v25 - vncipher $out3,$out3,v25 - vncipher $out4,$out4,v25 - vncipher $out5,$out5,v25 - lvx v25,$x10,$key_ # round[4] - bdnz Loop_xts_dec6x - - subic $len,$len,96 # $len-=96 - vxor $in0,$twk0,v31 # xor with last round key - vncipher $out0,$out0,v24 - vncipher $out1,$out1,v24 - vsrab $tmp,$tweak,$seven # next tweak value - vxor $twk0,$tweak,$rndkey0 - vaddubm $tweak,$tweak,$tweak - vncipher $out2,$out2,v24 - vncipher $out3,$out3,v24 - vsldoi $tmp,$tmp,$tmp,15 - vncipher $out4,$out4,v24 - vncipher $out5,$out5,v24 - - subfe. r0,r0,r0 # borrow?-1:0 - vand $tmp,$tmp,$eighty7 - vncipher $out0,$out0,v25 - vncipher $out1,$out1,v25 - vxor $tweak,$tweak,$tmp - vncipher $out2,$out2,v25 - vncipher $out3,$out3,v25 - vxor $in1,$twk1,v31 - vsrab $tmp,$tweak,$seven # next tweak value - vxor $twk1,$tweak,$rndkey0 - vncipher $out4,$out4,v25 - vncipher $out5,$out5,v25 - - and r0,r0,$len - vaddubm $tweak,$tweak,$tweak - vsldoi $tmp,$tmp,$tmp,15 - vncipher $out0,$out0,v26 - vncipher $out1,$out1,v26 - vand $tmp,$tmp,$eighty7 - vncipher $out2,$out2,v26 - vncipher $out3,$out3,v26 - vxor $tweak,$tweak,$tmp - vncipher $out4,$out4,v26 - vncipher $out5,$out5,v26 - - add $inp,$inp,r0 # $inp is adjusted in such - # way that at exit from the - # loop inX-in5 are loaded - # with last "words" - vxor $in2,$twk2,v31 - vsrab $tmp,$tweak,$seven # next tweak value - vxor $twk2,$tweak,$rndkey0 - vaddubm $tweak,$tweak,$tweak - vncipher $out0,$out0,v27 - vncipher $out1,$out1,v27 - vsldoi $tmp,$tmp,$tmp,15 - vncipher $out2,$out2,v27 - vncipher $out3,$out3,v27 - vand $tmp,$tmp,$eighty7 - vncipher $out4,$out4,v27 - vncipher $out5,$out5,v27 - - addi $key_,$sp,$FRAME+15 # rewind $key_ - vxor $tweak,$tweak,$tmp - vncipher $out0,$out0,v28 - vncipher $out1,$out1,v28 - vxor $in3,$twk3,v31 - vsrab $tmp,$tweak,$seven # next tweak value - vxor $twk3,$tweak,$rndkey0 - vncipher $out2,$out2,v28 - vncipher $out3,$out3,v28 - vaddubm $tweak,$tweak,$tweak - vsldoi $tmp,$tmp,$tmp,15 - vncipher $out4,$out4,v28 - vncipher $out5,$out5,v28 - lvx v24,$x00,$key_ # re-pre-load round[1] - vand $tmp,$tmp,$eighty7 - - vncipher $out0,$out0,v29 - vncipher $out1,$out1,v29 - vxor $tweak,$tweak,$tmp - vncipher $out2,$out2,v29 - vncipher $out3,$out3,v29 - vxor $in4,$twk4,v31 - vsrab $tmp,$tweak,$seven # next tweak value - vxor $twk4,$tweak,$rndkey0 - vncipher $out4,$out4,v29 - vncipher $out5,$out5,v29 - lvx v25,$x10,$key_ # re-pre-load round[2] - vaddubm $tweak,$tweak,$tweak - vsldoi $tmp,$tmp,$tmp,15 - - vncipher $out0,$out0,v30 - vncipher $out1,$out1,v30 - vand $tmp,$tmp,$eighty7 - vncipher $out2,$out2,v30 - vncipher $out3,$out3,v30 - vxor $tweak,$tweak,$tmp - vncipher $out4,$out4,v30 - vncipher $out5,$out5,v30 - vxor $in5,$twk5,v31 - vsrab $tmp,$tweak,$seven # next tweak value - vxor $twk5,$tweak,$rndkey0 - - vncipherlast $out0,$out0,$in0 - lvx_u $in0,$x00,$inp # load next input block - vaddubm $tweak,$tweak,$tweak - vsldoi $tmp,$tmp,$tmp,15 - vncipherlast $out1,$out1,$in1 - lvx_u $in1,$x10,$inp - vncipherlast $out2,$out2,$in2 - le?vperm $in0,$in0,$in0,$leperm - lvx_u $in2,$x20,$inp - vand $tmp,$tmp,$eighty7 - vncipherlast $out3,$out3,$in3 - le?vperm $in1,$in1,$in1,$leperm - lvx_u $in3,$x30,$inp - vncipherlast $out4,$out4,$in4 - le?vperm $in2,$in2,$in2,$leperm - lvx_u $in4,$x40,$inp - vxor $tweak,$tweak,$tmp - vncipherlast $out5,$out5,$in5 - le?vperm $in3,$in3,$in3,$leperm - lvx_u $in5,$x50,$inp - addi $inp,$inp,0x60 - le?vperm $in4,$in4,$in4,$leperm - le?vperm $in5,$in5,$in5,$leperm - - le?vperm $out0,$out0,$out0,$leperm - le?vperm $out1,$out1,$out1,$leperm - stvx_u $out0,$x00,$out # store output - vxor $out0,$in0,$twk0 - le?vperm $out2,$out2,$out2,$leperm - stvx_u $out1,$x10,$out - vxor $out1,$in1,$twk1 - le?vperm $out3,$out3,$out3,$leperm - stvx_u $out2,$x20,$out - vxor $out2,$in2,$twk2 - le?vperm $out4,$out4,$out4,$leperm - stvx_u $out3,$x30,$out - vxor $out3,$in3,$twk3 - le?vperm $out5,$out5,$out5,$leperm - stvx_u $out4,$x40,$out - vxor $out4,$in4,$twk4 - stvx_u $out5,$x50,$out - vxor $out5,$in5,$twk5 - addi $out,$out,0x60 - - mtctr $rounds - beq Loop_xts_dec6x # did $len-=96 borrow? - - addic. $len,$len,0x60 - beq Lxts_dec6x_zero - cmpwi $len,0x20 - blt Lxts_dec6x_one - nop - beq Lxts_dec6x_two - cmpwi $len,0x40 - blt Lxts_dec6x_three - nop - beq Lxts_dec6x_four - -Lxts_dec6x_five: - vxor $out0,$in1,$twk0 - vxor $out1,$in2,$twk1 - vxor $out2,$in3,$twk2 - vxor $out3,$in4,$twk3 - vxor $out4,$in5,$twk4 - - bl _aesp8_xts_dec5x - - le?vperm $out0,$out0,$out0,$leperm - vmr $twk0,$twk5 # unused tweak - vxor $twk1,$tweak,$rndkey0 - le?vperm $out1,$out1,$out1,$leperm - stvx_u $out0,$x00,$out # store output - vxor $out0,$in0,$twk1 - le?vperm $out2,$out2,$out2,$leperm - stvx_u $out1,$x10,$out - le?vperm $out3,$out3,$out3,$leperm - stvx_u $out2,$x20,$out - le?vperm $out4,$out4,$out4,$leperm - stvx_u $out3,$x30,$out - stvx_u $out4,$x40,$out - addi $out,$out,0x50 - bne Lxts_dec6x_steal - b Lxts_dec6x_done - -.align 4 -Lxts_dec6x_four: - vxor $out0,$in2,$twk0 - vxor $out1,$in3,$twk1 - vxor $out2,$in4,$twk2 - vxor $out3,$in5,$twk3 - vxor $out4,$out4,$out4 - - bl _aesp8_xts_dec5x - - le?vperm $out0,$out0,$out0,$leperm - vmr $twk0,$twk4 # unused tweak - vmr $twk1,$twk5 - le?vperm $out1,$out1,$out1,$leperm - stvx_u $out0,$x00,$out # store output - vxor $out0,$in0,$twk5 - le?vperm $out2,$out2,$out2,$leperm - stvx_u $out1,$x10,$out - le?vperm $out3,$out3,$out3,$leperm - stvx_u $out2,$x20,$out - stvx_u $out3,$x30,$out - addi $out,$out,0x40 - bne Lxts_dec6x_steal - b Lxts_dec6x_done - -.align 4 -Lxts_dec6x_three: - vxor $out0,$in3,$twk0 - vxor $out1,$in4,$twk1 - vxor $out2,$in5,$twk2 - vxor $out3,$out3,$out3 - vxor $out4,$out4,$out4 - - bl _aesp8_xts_dec5x - - le?vperm $out0,$out0,$out0,$leperm - vmr $twk0,$twk3 # unused tweak - vmr $twk1,$twk4 - le?vperm $out1,$out1,$out1,$leperm - stvx_u $out0,$x00,$out # store output - vxor $out0,$in0,$twk4 - le?vperm $out2,$out2,$out2,$leperm - stvx_u $out1,$x10,$out - stvx_u $out2,$x20,$out - addi $out,$out,0x30 - bne Lxts_dec6x_steal - b Lxts_dec6x_done - -.align 4 -Lxts_dec6x_two: - vxor $out0,$in4,$twk0 - vxor $out1,$in5,$twk1 - vxor $out2,$out2,$out2 - vxor $out3,$out3,$out3 - vxor $out4,$out4,$out4 - - bl _aesp8_xts_dec5x - - le?vperm $out0,$out0,$out0,$leperm - vmr $twk0,$twk2 # unused tweak - vmr $twk1,$twk3 - le?vperm $out1,$out1,$out1,$leperm - stvx_u $out0,$x00,$out # store output - vxor $out0,$in0,$twk3 - stvx_u $out1,$x10,$out - addi $out,$out,0x20 - bne Lxts_dec6x_steal - b Lxts_dec6x_done - -.align 4 -Lxts_dec6x_one: - vxor $out0,$in5,$twk0 - nop -Loop_xts_dec1x: - vncipher $out0,$out0,v24 - lvx v24,$x20,$key_ # round[3] - addi $key_,$key_,0x20 - - vncipher $out0,$out0,v25 - lvx v25,$x10,$key_ # round[4] - bdnz Loop_xts_dec1x - - subi r0,$taillen,1 - vncipher $out0,$out0,v24 - - andi. r0,r0,16 - cmpwi $taillen,0 - vncipher $out0,$out0,v25 - - sub $inp,$inp,r0 - vncipher $out0,$out0,v26 - - lvx_u $in0,0,$inp - vncipher $out0,$out0,v27 - - addi $key_,$sp,$FRAME+15 # rewind $key_ - vncipher $out0,$out0,v28 - lvx v24,$x00,$key_ # re-pre-load round[1] - - vncipher $out0,$out0,v29 - lvx v25,$x10,$key_ # re-pre-load round[2] - vxor $twk0,$twk0,v31 - - le?vperm $in0,$in0,$in0,$leperm - vncipher $out0,$out0,v30 - - mtctr $rounds - vncipherlast $out0,$out0,$twk0 - - vmr $twk0,$twk1 # unused tweak - vmr $twk1,$twk2 - le?vperm $out0,$out0,$out0,$leperm - stvx_u $out0,$x00,$out # store output - addi $out,$out,0x10 - vxor $out0,$in0,$twk2 - bne Lxts_dec6x_steal - b Lxts_dec6x_done - -.align 4 -Lxts_dec6x_zero: - cmpwi $taillen,0 - beq Lxts_dec6x_done - - lvx_u $in0,0,$inp - le?vperm $in0,$in0,$in0,$leperm - vxor $out0,$in0,$twk1 -Lxts_dec6x_steal: - vncipher $out0,$out0,v24 - lvx v24,$x20,$key_ # round[3] - addi $key_,$key_,0x20 - - vncipher $out0,$out0,v25 - lvx v25,$x10,$key_ # round[4] - bdnz Lxts_dec6x_steal - - add $inp,$inp,$taillen - vncipher $out0,$out0,v24 - - cmpwi $taillen,0 - vncipher $out0,$out0,v25 - - lvx_u $in0,0,$inp - vncipher $out0,$out0,v26 - - lvsr $inpperm,0,$taillen # $in5 is no more - vncipher $out0,$out0,v27 - - addi $key_,$sp,$FRAME+15 # rewind $key_ - vncipher $out0,$out0,v28 - lvx v24,$x00,$key_ # re-pre-load round[1] - - vncipher $out0,$out0,v29 - lvx v25,$x10,$key_ # re-pre-load round[2] - vxor $twk1,$twk1,v31 - - le?vperm $in0,$in0,$in0,$leperm - vncipher $out0,$out0,v30 - - vperm $in0,$in0,$in0,$inpperm - vncipherlast $tmp,$out0,$twk1 - - le?vperm $out0,$tmp,$tmp,$leperm - le?stvx_u $out0,0,$out - be?stvx_u $tmp,0,$out - - vxor $out0,$out0,$out0 - vspltisb $out1,-1 - vperm $out0,$out0,$out1,$inpperm - vsel $out0,$in0,$tmp,$out0 - vxor $out0,$out0,$twk0 - - subi r30,$out,1 - mtctr $taillen -Loop_xts_dec6x_steal: - lbzu r0,1(r30) - stb r0,16(r30) - bdnz Loop_xts_dec6x_steal - - li $taillen,0 - mtctr $rounds - b Loop_xts_dec1x # one more time... - -.align 4 -Lxts_dec6x_done: - ${UCMP}i $ivp,0 - beq Lxts_dec6x_ret - - vxor $tweak,$twk0,$rndkey0 - le?vperm $tweak,$tweak,$tweak,$leperm - stvx_u $tweak,0,$ivp - -Lxts_dec6x_ret: - mtlr r11 - li r10,`$FRAME+15` - li r11,`$FRAME+31` - stvx $seven,r10,$sp # wipe copies of round keys - addi r10,r10,32 - stvx $seven,r11,$sp - addi r11,r11,32 - stvx $seven,r10,$sp - addi r10,r10,32 - stvx $seven,r11,$sp - addi r11,r11,32 - stvx $seven,r10,$sp - addi r10,r10,32 - stvx $seven,r11,$sp - addi r11,r11,32 - stvx $seven,r10,$sp - addi r10,r10,32 - stvx $seven,r11,$sp - addi r11,r11,32 - - mtspr 256,$vrsave - lvx v20,r10,$sp # ABI says so - addi r10,r10,32 - lvx v21,r11,$sp - addi r11,r11,32 - lvx v22,r10,$sp - addi r10,r10,32 - lvx v23,r11,$sp - addi r11,r11,32 - lvx v24,r10,$sp - addi r10,r10,32 - lvx v25,r11,$sp - addi r11,r11,32 - lvx v26,r10,$sp - addi r10,r10,32 - lvx v27,r11,$sp - addi r11,r11,32 - lvx v28,r10,$sp - addi r10,r10,32 - lvx v29,r11,$sp - addi r11,r11,32 - lvx v30,r10,$sp - lvx v31,r11,$sp - $POP r26,`$FRAME+21*16+0*$SIZE_T`($sp) - $POP r27,`$FRAME+21*16+1*$SIZE_T`($sp) - $POP r28,`$FRAME+21*16+2*$SIZE_T`($sp) - $POP r29,`$FRAME+21*16+3*$SIZE_T`($sp) - $POP r30,`$FRAME+21*16+4*$SIZE_T`($sp) - $POP r31,`$FRAME+21*16+5*$SIZE_T`($sp) - addi $sp,$sp,`$FRAME+21*16+6*$SIZE_T` - blr - .long 0 - .byte 0,12,0x04,1,0x80,6,6,0 - .long 0 - -.align 5 -_aesp8_xts_dec5x: - vncipher $out0,$out0,v24 - vncipher $out1,$out1,v24 - vncipher $out2,$out2,v24 - vncipher $out3,$out3,v24 - vncipher $out4,$out4,v24 - lvx v24,$x20,$key_ # round[3] - addi $key_,$key_,0x20 - - vncipher $out0,$out0,v25 - vncipher $out1,$out1,v25 - vncipher $out2,$out2,v25 - vncipher $out3,$out3,v25 - vncipher $out4,$out4,v25 - lvx v25,$x10,$key_ # round[4] - bdnz _aesp8_xts_dec5x - - subi r0,$taillen,1 - vncipher $out0,$out0,v24 - vncipher $out1,$out1,v24 - vncipher $out2,$out2,v24 - vncipher $out3,$out3,v24 - vncipher $out4,$out4,v24 - - andi. r0,r0,16 - cmpwi $taillen,0 - vncipher $out0,$out0,v25 - vncipher $out1,$out1,v25 - vncipher $out2,$out2,v25 - vncipher $out3,$out3,v25 - vncipher $out4,$out4,v25 - vxor $twk0,$twk0,v31 - - sub $inp,$inp,r0 - vncipher $out0,$out0,v26 - vncipher $out1,$out1,v26 - vncipher $out2,$out2,v26 - vncipher $out3,$out3,v26 - vncipher $out4,$out4,v26 - vxor $in1,$twk1,v31 - - vncipher $out0,$out0,v27 - lvx_u $in0,0,$inp - vncipher $out1,$out1,v27 - vncipher $out2,$out2,v27 - vncipher $out3,$out3,v27 - vncipher $out4,$out4,v27 - vxor $in2,$twk2,v31 - - addi $key_,$sp,$FRAME+15 # rewind $key_ - vncipher $out0,$out0,v28 - vncipher $out1,$out1,v28 - vncipher $out2,$out2,v28 - vncipher $out3,$out3,v28 - vncipher $out4,$out4,v28 - lvx v24,$x00,$key_ # re-pre-load round[1] - vxor $in3,$twk3,v31 - - vncipher $out0,$out0,v29 - le?vperm $in0,$in0,$in0,$leperm - vncipher $out1,$out1,v29 - vncipher $out2,$out2,v29 - vncipher $out3,$out3,v29 - vncipher $out4,$out4,v29 - lvx v25,$x10,$key_ # re-pre-load round[2] - vxor $in4,$twk4,v31 - - vncipher $out0,$out0,v30 - vncipher $out1,$out1,v30 - vncipher $out2,$out2,v30 - vncipher $out3,$out3,v30 - vncipher $out4,$out4,v30 - - vncipherlast $out0,$out0,$twk0 - vncipherlast $out1,$out1,$in1 - vncipherlast $out2,$out2,$in2 - vncipherlast $out3,$out3,$in3 - vncipherlast $out4,$out4,$in4 - mtctr $rounds - blr - .long 0 - .byte 0,12,0x14,0,0,0,0,0 -___ -}} }}} - -my $consts=1; -foreach(split("\n",$code)) { - s/\`([^\`]*)\`/eval($1)/geo; - - # constants table endian-specific conversion - if ($consts && m/\.(long|byte)\s+(.+)\s+(\?[a-z]*)$/o) { - my $conv=$3; - my @bytes=(); - - # convert to endian-agnostic format - if ($1 eq "long") { - foreach (split(/,\s*/,$2)) { - my $l = /^0/?oct:int; - push @bytes,($l>>24)&0xff,($l>>16)&0xff,($l>>8)&0xff,$l&0xff; - } - } else { - @bytes = map(/^0/?oct:int,split(/,\s*/,$2)); - } - - # little-endian conversion - if ($flavour =~ /le$/o) { - SWITCH: for($conv) { - /\?inv/ && do { @bytes=map($_^0xf,@bytes); last; }; - /\?rev/ && do { @bytes=reverse(@bytes); last; }; - } - } - - #emit - print ".byte\t",join(',',map (sprintf("0x%02x",$_),@bytes)),"\n"; - next; - } - $consts=0 if (m/Lconsts:/o); # end of table - - # instructions prefixed with '?' are endian-specific and need - # to be adjusted accordingly... - if ($flavour =~ /le$/o) { # little-endian - s/le\?//o or - s/be\?/#be#/o or - s/\?lvsr/lvsl/o or - s/\?lvsl/lvsr/o or - s/\?(vperm\s+v[0-9]+,\s*)(v[0-9]+,\s*)(v[0-9]+,\s*)(v[0-9]+)/$1$3$2$4/o or - s/\?(vsldoi\s+v[0-9]+,\s*)(v[0-9]+,)\s*(v[0-9]+,\s*)([0-9]+)/$1$3$2 16-$4/o or - s/\?(vspltw\s+v[0-9]+,\s*)(v[0-9]+,)\s*([0-9])/$1$2 3-$3/o; - } else { # big-endian - s/le\?/#le#/o or - s/be\?//o or - s/\?([a-z]+)/$1/o; - } - - print $_,"\n"; -} - -close STDOUT; Index: cipher/ppc-xlate.pl =================================================================== --- cipher/ppc-xlate.pl +++ /dev/null @@ -1,348 +0,0 @@ -#! /usr/bin/env perl -# SPDX-License-Identifier: BSD-3-Clause - -# ==================================================================== -# Written by Andy Polyakov for the OpenSSL -# project. The module is, however, dual licensed under OpenSSL and -# CRYPTOGAMS licenses depending on where you obtain it. For further -# details see http://www.openssl.org/~appro/cryptogams/. -# ==================================================================== - -my $flavour = shift; -my $output = shift; -open STDOUT,">$output" || die "can't open $output: $!"; - -my %GLOBALS; -my %TYPES; -my $dotinlocallabels=($flavour=~/linux/)?1:0; - -################################################################ -# directives which need special treatment on different platforms -################################################################ -my $type = sub { - my ($dir,$name,$type) = @_; - - $TYPES{$name} = $type; - if ($flavour =~ /linux/) { - $name =~ s|^\.||; - ".type $name,$type"; - } else { - ""; - } -}; -my $globl = sub { - my $junk = shift; - my $name = shift; - my $global = \$GLOBALS{$name}; - my $type = \$TYPES{$name}; - my $ret; - - $name =~ s|^\.||; - - SWITCH: for ($flavour) { - /aix/ && do { if (!$$type) { - $$type = "\@function"; - } - if ($$type =~ /function/) { - $name = ".$name"; - } - last; - }; - /osx/ && do { $name = "_$name"; - last; - }; - /linux.*(32|64le)/ - && do { $ret .= ".globl $name"; - if (!$$type) { - $ret .= "\n.type $name,\@function"; - $$type = "\@function"; - } - last; - }; - /linux.*64/ && do { $ret .= ".globl $name"; - if (!$$type) { - $ret .= "\n.type $name,\@function"; - $$type = "\@function"; - } - if ($$type =~ /function/) { - $ret .= "\n.section \".opd\",\"aw\""; - $ret .= "\n.align 3"; - $ret .= "\n$name:"; - $ret .= "\n.quad .$name,.TOC.\@tocbase,0"; - $ret .= "\n.previous"; - $name = ".$name"; - } - last; - }; - } - - $ret = ".globl $name" if (!$ret); - $$global = $name; - $ret; -}; -my $text = sub { - my $ret = ($flavour =~ /aix/) ? ".csect\t.text[PR],7" : ".text"; - $ret = ".abiversion 2\n".$ret if ($flavour =~ /linux.*64le/); - $ret; -}; -my $machine = sub { - my $junk = shift; - my $arch = shift; - if ($flavour =~ /osx/) - { $arch =~ s/\"//g; - $arch = ($flavour=~/64/) ? "ppc970-64" : "ppc970" if ($arch eq "any"); - } - ".machine $arch"; -}; -my $size = sub { - if ($flavour =~ /linux/) - { shift; - my $name = shift; - my $real = $GLOBALS{$name} ? \$GLOBALS{$name} : \$name; - my $ret = ".size $$real,.-$$real"; - $name =~ s|^\.||; - if ($$real ne $name) { - $ret .= "\n.size $name,.-$$real"; - } - $ret; - } - else - { ""; } -}; -my $asciz = sub { - shift; - my $line = join(",",@_); - if ($line =~ /^"(.*)"$/) - { ".byte " . join(",",unpack("C*",$1),0) . "\n.align 2"; } - else - { ""; } -}; -my $quad = sub { - shift; - my @ret; - my ($hi,$lo); - for (@_) { - if (/^0x([0-9a-f]*?)([0-9a-f]{1,8})$/io) - { $hi=$1?"0x$1":"0"; $lo="0x$2"; } - elsif (/^([0-9]+)$/o) - { $hi=$1>>32; $lo=$1&0xffffffff; } # error-prone with 32-bit perl - else - { $hi=undef; $lo=$_; } - - if (defined($hi)) - { push(@ret,$flavour=~/le$/o?".long\t$lo,$hi":".long\t$hi,$lo"); } - else - { push(@ret,".quad $lo"); } - } - join("\n",@ret); -}; - -################################################################ -# simplified mnemonics not handled by at least one assembler -################################################################ -my $cmplw = sub { - my $f = shift; - my $cr = 0; $cr = shift if ($#_>1); - # Some out-of-date 32-bit GNU assembler just can't handle cmplw... - ($flavour =~ /linux.*32/) ? - " .long ".sprintf "0x%x",31<<26|$cr<<23|$_[0]<<16|$_[1]<<11|64 : - " cmplw ".join(',',$cr,@_); -}; -my $bdnz = sub { - my $f = shift; - my $bo = $f=~/[\+\-]/ ? 16+9 : 16; # optional "to be taken" hint - " bc $bo,0,".shift; -} if ($flavour!~/linux/); -my $bltlr = sub { - my $f = shift; - my $bo = $f=~/\-/ ? 12+2 : 12; # optional "not to be taken" hint - ($flavour =~ /linux/) ? # GNU as doesn't allow most recent hints - " .long ".sprintf "0x%x",19<<26|$bo<<21|16<<1 : - " bclr $bo,0"; -}; -my $bnelr = sub { - my $f = shift; - my $bo = $f=~/\-/ ? 4+2 : 4; # optional "not to be taken" hint - ($flavour =~ /linux/) ? # GNU as doesn't allow most recent hints - " .long ".sprintf "0x%x",19<<26|$bo<<21|2<<16|16<<1 : - " bclr $bo,2"; -}; -my $beqlr = sub { - my $f = shift; - my $bo = $f=~/-/ ? 12+2 : 12; # optional "not to be taken" hint - ($flavour =~ /linux/) ? # GNU as doesn't allow most recent hints - " .long ".sprintf "0x%X",19<<26|$bo<<21|2<<16|16<<1 : - " bclr $bo,2"; -}; -# GNU assembler can't handle extrdi rA,rS,16,48, or when sum of last two -# arguments is 64, with "operand out of range" error. -my $extrdi = sub { - my ($f,$ra,$rs,$n,$b) = @_; - $b = ($b+$n)&63; $n = 64-$n; - " rldicl $ra,$rs,$b,$n"; -}; -my $vmr = sub { - my ($f,$vx,$vy) = @_; - " vor $vx,$vy,$vy"; -}; - -# Some ABIs specify vrsave, special-purpose register #256, as reserved -# for system use. -my $no_vrsave = ($flavour =~ /aix|linux64le/); -my $mtspr = sub { - my ($f,$idx,$ra) = @_; - if ($idx == 256 && $no_vrsave) { - " or $ra,$ra,$ra"; - } else { - " mtspr $idx,$ra"; - } -}; -my $mfspr = sub { - my ($f,$rd,$idx) = @_; - if ($idx == 256 && $no_vrsave) { - " li $rd,-1"; - } else { - " mfspr $rd,$idx"; - } -}; - -# PowerISA 2.06 stuff -sub vsxmem_op { - my ($f, $vrt, $ra, $rb, $op) = @_; - " .long ".sprintf "0x%X",(31<<26)|($vrt<<21)|($ra<<16)|($rb<<11)|($op*2+1); -} -# made-up unaligned memory reference AltiVec/VMX instructions -my $lvx_u = sub { vsxmem_op(@_, 844); }; # lxvd2x -my $stvx_u = sub { vsxmem_op(@_, 972); }; # stxvd2x -my $lvdx_u = sub { vsxmem_op(@_, 588); }; # lxsdx -my $stvdx_u = sub { vsxmem_op(@_, 716); }; # stxsdx -my $lvx_4w = sub { vsxmem_op(@_, 780); }; # lxvw4x -my $stvx_4w = sub { vsxmem_op(@_, 908); }; # stxvw4x -my $lvx_splt = sub { vsxmem_op(@_, 332); }; # lxvdsx -# VSX instruction[s] masqueraded as made-up AltiVec/VMX -my $vpermdi = sub { # xxpermdi - my ($f, $vrt, $vra, $vrb, $dm) = @_; - $dm = oct($dm) if ($dm =~ /^0/); - " .long ".sprintf "0x%X",(60<<26)|($vrt<<21)|($vra<<16)|($vrb<<11)|($dm<<8)|(10<<3)|7; -}; - -# PowerISA 2.07 stuff -sub vcrypto_op { - my ($f, $vrt, $vra, $vrb, $op) = @_; - " .long ".sprintf "0x%X",(4<<26)|($vrt<<21)|($vra<<16)|($vrb<<11)|$op; -} -sub vfour { - my ($f, $vrt, $vra, $vrb, $vrc, $op) = @_; - " .long ".sprintf "0x%X",(4<<26)|($vrt<<21)|($vra<<16)|($vrb<<11)|($vrc<<6)|$op; -}; -my $vcipher = sub { vcrypto_op(@_, 1288); }; -my $vcipherlast = sub { vcrypto_op(@_, 1289); }; -my $vncipher = sub { vcrypto_op(@_, 1352); }; -my $vncipherlast= sub { vcrypto_op(@_, 1353); }; -my $vsbox = sub { vcrypto_op(@_, 0, 1480); }; -my $vshasigmad = sub { my ($st,$six)=splice(@_,-2); vcrypto_op(@_, $st<<4|$six, 1730); }; -my $vshasigmaw = sub { my ($st,$six)=splice(@_,-2); vcrypto_op(@_, $st<<4|$six, 1666); }; -my $vpmsumb = sub { vcrypto_op(@_, 1032); }; -my $vpmsumd = sub { vcrypto_op(@_, 1224); }; -my $vpmsubh = sub { vcrypto_op(@_, 1096); }; -my $vpmsumw = sub { vcrypto_op(@_, 1160); }; -# These are not really crypto, but vcrypto_op template works -my $vaddudm = sub { vcrypto_op(@_, 192); }; -my $vadduqm = sub { vcrypto_op(@_, 256); }; -my $vmuleuw = sub { vcrypto_op(@_, 648); }; -my $vmulouw = sub { vcrypto_op(@_, 136); }; -my $vrld = sub { vcrypto_op(@_, 196); }; -my $vsld = sub { vcrypto_op(@_, 1476); }; -my $vsrd = sub { vcrypto_op(@_, 1732); }; -my $vsubudm = sub { vcrypto_op(@_, 1216); }; -my $vaddcuq = sub { vcrypto_op(@_, 320); }; -my $vaddeuqm = sub { vfour(@_,60); }; -my $vaddecuq = sub { vfour(@_,61); }; -my $vmrgew = sub { vfour(@_,0,1932); }; -my $vmrgow = sub { vfour(@_,0,1676); }; - -my $mtsle = sub { - my ($f, $arg) = @_; - " .long ".sprintf "0x%X",(31<<26)|($arg<<21)|(147*2); -}; - -# VSX instructions masqueraded as AltiVec/VMX -my $mtvrd = sub { - my ($f, $vrt, $ra) = @_; - " .long ".sprintf "0x%X",(31<<26)|($vrt<<21)|($ra<<16)|(179<<1)|1; -}; -my $mtvrwz = sub { - my ($f, $vrt, $ra) = @_; - " .long ".sprintf "0x%X",(31<<26)|($vrt<<21)|($ra<<16)|(243<<1)|1; -}; -my $lvwzx_u = sub { vsxmem_op(@_, 12); }; # lxsiwzx -my $stvwx_u = sub { vsxmem_op(@_, 140); }; # stxsiwx - -# PowerISA 3.0 stuff -my $maddhdu = sub { vfour(@_,49); }; -my $maddld = sub { vfour(@_,51); }; -my $darn = sub { - my ($f, $rt, $l) = @_; - " .long ".sprintf "0x%X",(31<<26)|($rt<<21)|($l<<16)|(755<<1); -}; -my $iseleq = sub { - my ($f, $rt, $ra, $rb) = @_; - " .long ".sprintf "0x%X",(31<<26)|($rt<<21)|($ra<<16)|($rb<<11)|(2<<6)|30; -}; -# VSX instruction[s] masqueraded as made-up AltiVec/VMX -my $vspltib = sub { # xxspltib - my ($f, $vrt, $imm8) = @_; - $imm8 = oct($imm8) if ($imm8 =~ /^0/); - $imm8 &= 0xff; - " .long ".sprintf "0x%X",(60<<26)|($vrt<<21)|($imm8<<11)|(360<<1)|1; -}; - -# PowerISA 3.0B stuff -my $addex = sub { - my ($f, $rt, $ra, $rb, $cy) = @_; # only cy==0 is specified in 3.0B - " .long ".sprintf "0x%X",(31<<26)|($rt<<21)|($ra<<16)|($rb<<11)|($cy<<9)|(170<<1); -}; -my $vmsumudm = sub { vfour(@_,35); }; - -while($line=<>) { - - $line =~ s|[#!;].*$||; # get rid of asm-style comments... - $line =~ s|/\*.*\*/||; # ... and C-style comments... - $line =~ s|^\s+||; # ... and skip white spaces in beginning... - $line =~ s|\s+$||; # ... and at the end - - { - $line =~ s|\.L(\w+)|L$1|g; # common denominator for Locallabel - $line =~ s|\bL(\w+)|\.L$1|g if ($dotinlocallabels); - } - - { - $line =~ s|(^[\.\w]+)\:\s*||; - my $label = $1; - if ($label) { - my $xlated = ($GLOBALS{$label} or $label); - print "$xlated:"; - if ($flavour =~ /linux.*64le/) { - if ($TYPES{$label} =~ /function/) { - printf "\n.localentry %s,0\n",$xlated; - } - } - } - } - - { - $line =~ s|^\s*(\.?)(\w+)([\.\+\-]?)\s*||; - my $c = $1; $c = "\t" if ($c eq ""); - my $mnemonic = $2; - my $f = $3; - my $opcode = eval("\$$mnemonic"); - $line =~ s/\b(c?[rf]|v|vs)([0-9]+)\b/$2/g if ($c ne "." and $flavour !~ /osx/); - if (ref($opcode) eq 'CODE') { $line = &$opcode($f,split(/,\s*/,$line)); } - elsif ($mnemonic) { $line = $c.$mnemonic.$f."\t".$line; } - } - - print $line if ($line); - print "\n"; -} - -close STDOUT; Index: cipher/rijndael-internal.h =================================================================== --- cipher/rijndael-internal.h +++ cipher/rijndael-internal.h @@ -102,6 +102,13 @@ # endif #endif /* ENABLE_ARM_CRYPTO_SUPPORT */ +#undef USE_PPC_ASM +#ifdef ENABLE_PPC_CRYPTO_SUPPORT +# if defined(__powerpc64__) || defined(__powerpc__) +# define USE_PPC_ASM 1 +# endif +#endif + struct RIJNDAEL_context_s; typedef unsigned int (*rijndael_cryptfn_t)(const struct RIJNDAEL_context_s *ctx, @@ -152,6 +159,9 @@ #ifdef USE_ARM_CE unsigned int use_arm_ce:1; /* ARMv8 CE shall be used. */ #endif /*USE_ARM_CE*/ +#ifdef USE_PPC_ASM + unsigned int use_ppc_asm:1; /* PowerISA 2.07 crypto shall be used. */ +#endif rijndael_cryptfn_t encrypt_fn; rijndael_cryptfn_t decrypt_fn; rijndael_prefetchfn_t prefetch_enc_fn; Index: cipher/rijndael-ppc8.S =================================================================== --- cipher/rijndael-ppc8.S +++ cipher/rijndael-ppc8.S @@ -273,7 +273,6 @@ stvx 2,0,3 li 6,0 mtspr 256,12 - stw 8,0(5) Lenc_key_abort: mr 3,6 @@ -333,7 +332,7 @@ .globl aes_p8_encrypt .align 5 aes_p8_encrypt: - lwz 6,240(5) + lwz 6,480(5) lis 0,0xfc00 mfspr 12,256 li 7,15 @@ -487,7 +486,7 @@ neg 11,3 lvsr 10,0,6 - lwz 9,240(6) + lwz 9,480(6) lvsr 6,0,11 lvx 5,0,3 @@ -1223,7 +1222,7 @@ neg 11,3 lvsr 10,0,6 - lwz 9,240(6) + lwz 9,480(6) lvsr 6,0,11 lvx 5,0,3 @@ -1861,7 +1860,7 @@ beq Lxts_enc_no_key2 lvsr 7,0,7 - lwz 9,240(7) + lwz 9,480(7) srwi 9,9,1 subi 9,9,1 li 3,16 @@ -1905,7 +1904,7 @@ addi 10,10,16 lvsr 7,0,6 - lwz 9,240(6) + lwz 9,480(6) srwi 9,9,1 subi 9,9,1 li 3,16 Index: cipher/rijndael-ppc832.S =================================================================== --- cipher/rijndael-ppc832.S +++ cipher/rijndael-ppc832.S @@ -273,7 +273,6 @@ stvx 2,0,3 li 6,0 mtspr 256,12 - stw 8,0(5) Lenc_key_abort: mr 3,6 @@ -333,7 +332,7 @@ .globl aes_p8_encrypt .align 5 aes_p8_encrypt: - lwz 6,240(5) + lwz 6,480(5) lis 0,0xfc00 mfspr 12,256 li 7,15 @@ -487,7 +486,7 @@ neg 11,3 lvsl 10,0,6 - lwz 9,240(6) + lwz 9,480(6) lvsr 6,0,11 lvx 5,0,3 @@ -1223,7 +1222,7 @@ neg 11,3 lvsl 10,0,6 - lwz 9,240(6) + lwz 9,480(6) lvsr 6,0,11 lvx 5,0,3 @@ -1861,7 +1860,7 @@ beq Lxts_enc_no_key2 lvsl 7,0,7 - lwz 9,240(7) + lwz 9,480(7) srwi 9,9,1 subi 9,9,1 li 3,16 @@ -1905,7 +1904,7 @@ addi 10,10,16 lvsl 7,0,6 - lwz 9,240(6) + lwz 9,480(6) srwi 9,9,1 subi 9,9,1 li 3,16 Index: cipher/rijndael-ppc8be.S =================================================================== --- cipher/rijndael-ppc8be.S +++ cipher/rijndael-ppc8be.S @@ -273,7 +273,6 @@ stvx 2,0,3 li 6,0 mtspr 256,12 - stw 8,0(5) Lenc_key_abort: mr 3,6 @@ -333,7 +332,7 @@ .globl aes_p8_encrypt .align 5 aes_p8_encrypt: - lwz 6,240(5) + lwz 6,480(5) lis 0,0xfc00 mfspr 12,256 li 7,15 @@ -487,7 +486,7 @@ neg 11,3 lvsl 10,0,6 - lwz 9,240(6) + lwz 9,480(6) lvsr 6,0,11 lvx 5,0,3 @@ -1223,7 +1222,7 @@ neg 11,3 lvsl 10,0,6 - lwz 9,240(6) + lwz 9,480(6) lvsr 6,0,11 lvx 5,0,3 @@ -1861,7 +1860,7 @@ beq Lxts_enc_no_key2 lvsl 7,0,7 - lwz 9,240(7) + lwz 9,480(7) srwi 9,9,1 subi 9,9,1 li 3,16 @@ -1905,7 +1904,7 @@ addi 10,10,16 lvsl 7,0,6 - lwz 9,240(6) + lwz 9,480(6) srwi 9,9,1 subi 9,9,1 li 3,16 Index: cipher/rijndael.c =================================================================== --- cipher/rijndael.c +++ cipher/rijndael.c @@ -199,6 +199,102 @@ size_t nblocks, int encrypt); #endif /*USE_ARM_ASM*/ +/* forward declaration */ +static int _gcry_aes_generic_cbc_enc (const void *context, unsigned char *iv, + void *outbuf_arg, const void *inbuf_arg, + size_t nblocks, + int cbc_mac); +#ifdef USE_PPC_ASM +/* POWER 8 AES extensions */ +extern void aes_p8_encrypt (const unsigned char *in, + unsigned char *out, + const RIJNDAEL_context *ctx); +static unsigned int _gcry_aes_ppc8_encrypt (const RIJNDAEL_context *ctx, + unsigned char *out, + const unsigned char *in) +{ + /* When I tried to switch these registers in the assembly it broke. */ + aes_p8_encrypt (in, out, ctx); + return 0; /* does not use stack */ +} + /* this is the decryption key part of context */ +extern void aes_p8_decrypt (const unsigned char *in, + unsigned char *out, + const void *sboxes); +static unsigned int _gcry_aes_ppc8_decrypt (const RIJNDAEL_context *ctx, + unsigned char *out, + const unsigned char *in) +{ + aes_p8_decrypt (in, out, &ctx->u2); + return 0; /* does not use stack */ +} +extern int aes_p8_set_encrypt_key (const unsigned char *userKey, const int bits, + RIJNDAEL_context *key); +extern int aes_p8_set_decrypt_key (const unsigned char *userKey, const int bits, + /* this is the decryption key part of context */ + const unsigned (*)[15][4]); +/* No performance benifit observed */ +#if 0 + /* or decrypt */ +extern void aes_p8_cbc_encrypt (const unsigned char *in, + unsigned char *out, + size_t length, + const RIJNDAEL_context *key, unsigned char *ivec, int is_enc); +static void _gcry_aes_ppc8_cbc_enc (void *context, unsigned char *iv, + void *outbuf_arg, const void *inbuf_arg, + size_t nblocks, + int is_cbc_mac) +{ + const RIJNDAEL_context *ctx = context; + +#ifdef __builtin_expect + __builtin_expect (is_cbc_mac, 0); +#endif + if (is_cbc_mac) { + _gcry_aes_generic_cbc_enc (ctx, iv, outbuf_arg, inbuf_arg, nblocks, is_cbc_mac); + return; + } + + aes_p8_cbc_encrypt (inbuf_arg, outbuf_arg, nblocks, ctx, iv, 1); +} +extern void _gcry_aes_ppc8_cbc_dec (void *context, unsigned char *iv, + void *outbuf_arg, const void *inbuf_arg, + size_t nblocks) +{ + aes_p8_cbc_encrypt (inbuf_arg, outbuf_arg, nblocks, context, iv, 0); +} +extern void aes_p8_ctr32_encrypt_blocks (const unsigned char *in, unsigned char *out, + size_t len, const void *key, + const unsigned char ivec[16]); +void _gcry_aes_ppc8_ctr_enc (void *context, unsigned char *ctr, + void *outbuf, const void *inbuf, + size_t nblocks) +{ + aes_p8_ctr32_encrypt_blocks (inbuf, outbuf, nblocks, context, ctr); +} +extern void aes_p8_xts_encrypt (const unsigned char *in, + unsigned char *out, + size_t length, + const void *key1, const void *key2, + const unsigned char iv[16]); +extern void aes_p8_xts_decrypt (const unsigned char *in, + unsigned char *out, + size_t length, + const void *key1, const void *key2, + const unsigned char iv[16]); +static void _gcry_aes_ppc8_xts_crypt_wrap (void *context, unsigned char *tweak, + void *outbuf, const void *inbuf, + size_t nblocks, int encrypt) +{ + const RIJNDAEL_context *ctx = context; + if (encrypt) + aes_p8_xts_encrypt (inbuf, outbuf, nblocks, &ctx->u1, &ctx->u2, tweak); + else + aes_p8_xts_decrypt (inbuf, outbuf, nblocks, &ctx->u1, &ctx->u2, tweak); +} +#endif +#endif /*USE_PPC_ASM*/ + static unsigned int do_encrypt (const RIJNDAEL_context *ctx, unsigned char *bx, const unsigned char *ax); static unsigned int do_decrypt (const RIJNDAEL_context *ctx, unsigned char *bx, @@ -260,7 +356,7 @@ int i,j, r, t, rconpointer = 0; int KC; #if defined(USE_AESNI) || defined(USE_PADLOCK) || defined(USE_SSSE3) \ - || defined(USE_ARM_CE) + || defined(USE_ARM_CE) || defined(USE_PPC_ASM) unsigned int hwfeatures; #endif @@ -304,7 +400,7 @@ ctx->rounds = rounds; #if defined(USE_AESNI) || defined(USE_PADLOCK) || defined(USE_SSSE3) \ - || defined(USE_ARM_CE) + || defined(USE_ARM_CE) || defined(USE_PPC_ASM) hwfeatures = _gcry_get_hw_features (); #endif @@ -321,6 +417,9 @@ #ifdef USE_ARM_CE ctx->use_arm_ce = 0; #endif +#ifdef USE_PPC_ASM + ctx->use_ppc_asm = 0; +#endif if (0) { @@ -400,6 +499,26 @@ hd->bulk.xts_crypt = _gcry_aes_armv8_ce_xts_crypt; } } +#endif +#ifdef USE_PPC_ASM + else if (hwfeatures & HWF_PPC_VCRYPTO) + { + ctx->encrypt_fn = _gcry_aes_ppc8_encrypt; + ctx->decrypt_fn = _gcry_aes_ppc8_decrypt; + ctx->prefetch_enc_fn = NULL; + ctx->prefetch_dec_fn = NULL; + ctx->use_ppc_asm = 1; +/* no performance benifit was observed */ +#if 0 + if (hd) + { + hd->bulk.cbc_enc = _gcry_aes_ppc8_cbc_enc; + hd->bulk.cbc_dec = _gcry_aes_ppc8_cbc_dec; + hd->bulk.ctr_enc = _gcry_aes_ppc8_ctr_enc; + hd->bulk.xts_crypt = _gcry_aes_ppc8_xts_crypt_wrap; + } +#endif + } #endif else { @@ -426,6 +545,14 @@ #ifdef USE_ARM_CE else if (ctx->use_arm_ce) _gcry_aes_armv8_ce_setkey (ctx, key); +#endif +#ifdef USE_PPC_ASM + else if (ctx->use_ppc_asm) { + /* These are both done here to avoid having to store the key. + * These S-boxes are generated on-the-fly. */ + aes_p8_set_encrypt_key (key, keylen * 8, ctx); + aes_p8_set_decrypt_key (key, keylen * 8, &ctx->keyschdec32); + } #endif else { @@ -571,6 +698,13 @@ /* Padlock does not need decryption subkeys. */ } #endif /*USE_PADLOCK*/ +#ifdef USE_PPC_ASM + else if (ctx->use_ppc_asm) + { + /* done during encryption key setup, as then we have the actual + * key available */ + } +#endif /*USE_PPC_ASM*/ else { const byte *sbox = ((const byte *)encT) + 1; @@ -622,7 +756,7 @@ } -#if !defined(USE_ARM_ASM) && !defined(USE_AMD64_ASM) +#if !defined(USE_ARM_ASM) && !defined(USE_AMD64_ASM) && !defined(USE_PPC_ASM) /* Encrypt one block. A and B may be the same. */ static unsigned int do_encrypt_fn (const RIJNDAEL_context *ctx, unsigned char *b, @@ -756,7 +890,7 @@ return (56 + 2*sizeof(int)); } -#endif /*!USE_ARM_ASM && !USE_AMD64_ASM*/ +#endif /*!USE_ARM_ASM && !USE_AMD64_ASM && !USE_PPC_ASM*/ static unsigned int @@ -768,6 +902,8 @@ encT); #elif defined(USE_ARM_ASM) return _gcry_aes_arm_encrypt_block(ctx->keyschenc, bx, ax, ctx->rounds, encT); +#elif defined(USE_PPC_ASM) + return _gcry_aes_ppc8_encrypt(ctx, bx, ax); #else return do_encrypt_fn (ctx, bx, ax); #endif /* !USE_ARM_ASM && !USE_AMD64_ASM*/ @@ -845,6 +981,42 @@ _gcry_burn_stack (burn_depth + 4 * sizeof(void *)); } +static int _gcry_aes_generic_cbc_enc (const void *context, unsigned char *iv, + void *outbuf_arg, const void *inbuf_arg, + size_t nblocks, + int cbc_mac) +{ + const RIJNDAEL_context *ctx = context; + unsigned char *outbuf = outbuf_arg; + const unsigned char *inbuf = inbuf_arg; + rijndael_cryptfn_t encrypt_fn = ctx->encrypt_fn; + int burn_depth = 0; + + if (ctx->prefetch_enc_fn) + ctx->prefetch_enc_fn(); + + unsigned char *last_iv = iv; + + for ( ;nblocks; nblocks-- ) + { + cipher_block_xor(outbuf, inbuf, last_iv, BLOCKSIZE); + + burn_depth = encrypt_fn (ctx, outbuf, outbuf); + + last_iv = outbuf; + inbuf += BLOCKSIZE; + if (!cbc_mac) + outbuf += BLOCKSIZE; + } + + if (last_iv != iv) + cipher_block_cpy (iv, last_iv, BLOCKSIZE); + + if (burn_depth) + _gcry_burn_stack (burn_depth + 4 * sizeof(void *)); + + return 0; +} /* Bulk encryption of complete blocks in CBC mode. Caller needs to make sure that IV is aligned on an unsigned long boundary. This @@ -858,7 +1030,6 @@ RIJNDAEL_context *ctx = context; unsigned char *outbuf = outbuf_arg; const unsigned char *inbuf = inbuf_arg; - unsigned char *last_iv; unsigned int burn_depth = 0; if (0) @@ -886,27 +1057,8 @@ #endif /*USE_ARM_CE*/ else { - rijndael_cryptfn_t encrypt_fn = ctx->encrypt_fn; - - if (ctx->prefetch_enc_fn) - ctx->prefetch_enc_fn(); - - last_iv = iv; - - for ( ;nblocks; nblocks-- ) - { - cipher_block_xor(outbuf, inbuf, last_iv, BLOCKSIZE); - - burn_depth = encrypt_fn (ctx, outbuf, outbuf); - - last_iv = outbuf; - inbuf += BLOCKSIZE; - if (!cbc_mac) - outbuf += BLOCKSIZE; - } - - if (last_iv != iv) - cipher_block_cpy (iv, last_iv, BLOCKSIZE); + _gcry_aes_generic_cbc_enc (ctx, iv, outbuf, inbuf, nblocks, cbc_mac); + return; } if (burn_depth) @@ -981,7 +1133,7 @@ -#if !defined(USE_ARM_ASM) && !defined(USE_AMD64_ASM) +#if !defined(USE_ARM_ASM) && !defined(USE_AMD64_ASM) && !defined(USE_PPC_ASM) /* Decrypt one block. A and B may be the same. */ static unsigned int do_decrypt_fn (const RIJNDAEL_context *ctx, unsigned char *b, @@ -1113,7 +1265,7 @@ return (56+2*sizeof(int)); } -#endif /*!USE_ARM_ASM && !USE_AMD64_ASM*/ +#endif /*!USE_ARM_ASM && !USE_AMD64_ASM && !USE_PPC_ASM*/ /* Decrypt one block. AX and BX may be the same. */ @@ -1127,9 +1279,11 @@ #elif defined(USE_ARM_ASM) return _gcry_aes_arm_decrypt_block(ctx->keyschdec, bx, ax, ctx->rounds, &dec_tables); +#elif defined(USE_PPC_ASM) + return _gcry_aes_ppc8_decrypt(ctx, bx, ax); #else return do_decrypt_fn (ctx, bx, ax); -#endif /*!USE_ARM_ASM && !USE_AMD64_ASM*/ +#endif } @@ -1567,14 +1721,21 @@ { 0x00,0x01,0x02,0x03,0x04,0x05,0x06,0x07, 0x08,0x09,0x0a,0x0b,0x0c,0x0d,0x0e,0x0f - /* 0x2b, 0x7e, 0x15, 0x16, 0x28, 0xae, 0xd2, 0xa6, */ - /* 0xab, 0xf7, 0x15, 0x88, 0x09, 0xcf, 0x4f, 0x3c */ }; static const unsigned char ciphertext_128[16] = { 0x69,0xc4,0xe0,0xd8,0x6a,0x7b,0x04,0x30, 0xd8,0xcd,0xb7,0x80,0x70,0xb4,0xc5,0x5a }; + + static const unsigned char key_test_expansion_128[16] = + { + 0x2b, 0x7e, 0x15, 0x16, 0x28, 0xae, 0xd2, 0xa6, + 0xab, 0xf7, 0x15, 0x88, 0x09, 0xcf, 0x4f, 0x3c + }; + + RIJNDAEL_context exp_ctx; + rijndael_setkey (&exp_ctx, key_test_expansion_128, sizeof (key_128), NULL); #endif /* Because gcc/ld can only align the CTX struct on 8 bytes on the @@ -1590,7 +1751,7 @@ xfree (ctxmem); return "AES-128 test encryption failed."; } - rijndael_decrypt (ctx, scratch, scratch); + rijndael_decrypt (ctx, scratch, ciphertext_128); xfree (ctxmem); if (memcmp (scratch, plaintext_128, sizeof (plaintext_128))) return "AES-128 test decryption failed."; Index: configure.ac =================================================================== --- configure.ac +++ configure.ac @@ -681,6 +681,14 @@ armcryptosupport=$enableval,armcryptosupport=yes) AC_MSG_RESULT($armcryptosupport) +# Implementation of the --disable-ppc-crypto-support switch. +AC_MSG_CHECKING([whether PPC crypto support is requested]) +AC_ARG_ENABLE(ppc-crypto-support, + AC_HELP_STRING([--disable-ppc-crypto-support], + [Disable support for the PPC crypto instructions introduced in POWER 8 (PowerISA 2.07)]), + ppccryptosupport=$enableval,ppccryptosupport=yes) +AC_MSG_RESULT($ppccryptosupport) + # Implementation of the --disable-O-flag-munging switch. AC_MSG_CHECKING([whether a -O flag munging is requested]) AC_ARG_ENABLE([O-flag-munging], @@ -1272,14 +1280,14 @@ drngsupport="n/a" fi -if test "$mpi_cpu_arch" != "arm" ; then - if test "$mpi_cpu_arch" != "aarch64" ; then - neonsupport="n/a" - armcryptosupport="n/a" - fi +if test "$mpi_cpu_arch" != "arm" && test "$mpi_cpu_arch" != "aarch64"; then + neonsupport="n/a" + armcryptosupport="n/a" fi - +if test "$mpi_cpu_arch" != "ppc"; then + ppccryptosupport="n/a" +fi ############################################# #### #### #### Platform specific compiler checks. #### @@ -2119,6 +2127,10 @@ AC_DEFINE(ENABLE_ARM_CRYPTO_SUPPORT,1, [Enable support for ARMv8 Crypto Extension instructions.]) fi +if test x"$ppccryptosupport" = xyes ; then + AC_DEFINE(ENABLE_PPC_CRYPTO_SUPPORT,1, + [Enable support for POWER 8 (PowerISA 2.07) crypto extension.]) +fi if test x"$jentsupport" = xyes ; then AC_DEFINE(ENABLE_JENT_SUPPORT, 1, [Enable support for the jitter entropy collector.]) @@ -2226,6 +2238,20 @@ GCRYPT_CIPHERS="$GCRYPT_CIPHERS rijndael-armv8-ce.lo" GCRYPT_CIPHERS="$GCRYPT_CIPHERS rijndael-armv8-aarch64-ce.lo" ;; + powerpc64le-*-*) + # Build with the crypto extension implementation + GCRYPT_CIPHERS="$GCRYPT_CIPHERS rijndael-ppc8.lo" + ;; + powerpc64-*-*) + # Big-Endian. + # Build with the crypto extension implementation + GCRYPT_CIPHERS="$GCRYPT_CIPHERS rijndael-ppc8be.lo" + ;; + powerpc-*-*) + # Big-Endian. + # Build with the crypto extension implementation + GCRYPT_CIPHERS="$GCRYPT_CIPHERS rijndael-ppc832.lo" + ;; esac case "$mpi_cpu_arch" in @@ -2699,6 +2725,7 @@ ;; ppc) AC_DEFINE(HAVE_CPU_ARCH_PPC, 1, [Defined for PPC platforms]) + GCRYPT_HWF_MODULES="libgcrypt_la-hwf-ppc.lo" ;; arm) AC_DEFINE(HAVE_CPU_ARCH_ARM, 1, [Defined for ARM platforms]) @@ -2800,6 +2827,7 @@ GCRY_MSG_SHOW([Try using Intel AVX2: ],[$avx2support]) GCRY_MSG_SHOW([Try using ARM NEON: ],[$neonsupport]) GCRY_MSG_SHOW([Try using ARMv8 crypto: ],[$armcryptosupport]) +GCRY_MSG_SHOW([Try using PPC crypto: ],[$ppccryptosupport]) GCRY_MSG_SHOW([],[]) if test "x${gpg_config_script_warn}" != x; then Index: src/Makefile.am =================================================================== --- src/Makefile.am +++ src/Makefile.am @@ -66,7 +66,7 @@ hmac256.c hmac256.h context.c context.h \ ec-context.h -EXTRA_libgcrypt_la_SOURCES = hwf-x86.c hwf-arm.c +EXTRA_libgcrypt_la_SOURCES = hwf-x86.c hwf-arm.c hwf-ppc.c gcrypt_hwf_modules = @GCRYPT_HWF_MODULES@ Index: src/g10lib.h =================================================================== --- src/g10lib.h +++ src/g10lib.h @@ -236,7 +236,8 @@ #define HWF_ARM_SHA2 (1 << 20) #define HWF_ARM_PMULL (1 << 21) - +/* No problem re-using a slot from a differn't architecture */ +#define HWF_PPC_VCRYPTO (1 << 0) gpg_err_code_t _gcry_disable_hw_feature (const char *name); void _gcry_detect_hw_features (void); Index: src/hwf-common.h =================================================================== --- src/hwf-common.h +++ src/hwf-common.h @@ -22,6 +22,6 @@ unsigned int _gcry_hwf_detect_x86 (void); unsigned int _gcry_hwf_detect_arm (void); - +unsigned int _gcry_hwf_detect_ppc (void); #endif /*HWF_COMMON_H*/ Index: src/hwfeatures.c =================================================================== --- src/hwfeatures.c +++ src/hwfeatures.c @@ -42,6 +42,7 @@ const char *desc; } hwflist[] = { +#if defined(HAVE_CPU_ARCH_X86) { HWF_PADLOCK_RNG, "padlock-rng" }, { HWF_PADLOCK_AES, "padlock-aes" }, { HWF_PADLOCK_SHA, "padlock-sha" }, @@ -59,11 +60,15 @@ { HWF_INTEL_FAST_VPGATHER, "intel-fast-vpgather" }, { HWF_INTEL_RDTSC, "intel-rdtsc" }, { HWF_INTEL_SHAEXT, "intel-shaext" }, +#elif defined(HAVE_CPU_ARCH_ARM) { HWF_ARM_NEON, "arm-neon" }, { HWF_ARM_AES, "arm-aes" }, { HWF_ARM_SHA1, "arm-sha1" }, { HWF_ARM_SHA2, "arm-sha2" }, - { HWF_ARM_PMULL, "arm-pmull" } + { HWF_ARM_PMULL, "arm-pmull" }, +#elif defined(HAVE_CPU_ARCH_PPC) + { HWF_PPC_VCRYPTO, "ppc-crypto" }, +#endif }; /* A bit vector with the hardware features which shall not be used. @@ -208,12 +213,14 @@ { hw_features = _gcry_hwf_detect_x86 (); } -#endif /* HAVE_CPU_ARCH_X86 */ -#if defined (HAVE_CPU_ARCH_ARM) +#elif defined (HAVE_CPU_ARCH_ARM) { hw_features = _gcry_hwf_detect_arm (); } -#endif /* HAVE_CPU_ARCH_ARM */ - +#elif defined (HAVE_CPU_ARCH_PPC) + { + hw_features = _gcry_hwf_detect_ppc (); + } +#endif hw_features &= ~disabled_hw_features; }