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| #! /usr/bin/env perl
| # Copyright 2008-2020 The OpenSSL Project Authors. All Rights Reserved.
| #
| # Licensed under the OpenSSL license (the "License"). You may not use
| # this file except in compliance with the License. You can obtain a copy
| # in the file LICENSE in the source distribution or at
| # https://www.openssl.org/source/license.html
|
|
| # ====================================================================
| # Copyright (c) 2008 Andy Polyakov <appro@openssl.org>
| #
| # This module may be used under the terms of either the GNU General
| # Public License version 2 or later, the GNU Lesser General Public
| # License version 2.1 or later, the Mozilla Public License version
| # 1.1 or the BSD License. The exact terms of either license are
| # distributed along with this module. For further details see
| # http://www.openssl.org/~appro/camellia/.
| # ====================================================================
|
| # Performance in cycles per processed byte (less is better) in
| # 'openssl speed ...' benchmark:
| #
| # AMD64 Core2 EM64T
| # -evp camellia-128-ecb 16.7 21.0 22.7
| # + over gcc 3.4.6 +25% +5% 0%
| #
| # camellia-128-cbc 15.7 20.4 21.1
| #
| # 128-bit key setup 128 216 205 cycles/key
| # + over gcc 3.4.6 +54% +39% +15%
| #
| # Numbers in "+" rows represent performance improvement over compiler
| # generated code. Key setup timings are impressive on AMD and Core2
| # thanks to 64-bit operations being covertly deployed. Improvement on
| # EM64T, pre-Core2 Intel x86_64 CPU, is not as impressive, because it
| # apparently emulates some of 64-bit operations in [32-bit] microcode.
|
| $flavour = shift;
| $output = shift;
| if ($flavour =~ /\./) { $output = $flavour; undef $flavour; }
|
| $win64=0; $win64=1 if ($flavour =~ /[nm]asm|mingw64/ || $output =~ /\.asm$/);
|
| $0 =~ m/(.*[\/\\])[^\/\\]+$/; $dir=$1;
| ( $xlate="${dir}x86_64-xlate.pl" and -f $xlate ) or
| ( $xlate="${dir}../../perlasm/x86_64-xlate.pl" and -f $xlate) or
| die "can't locate x86_64-xlate.pl";
|
| open OUT,"| \"$^X\" \"$xlate\" $flavour \"$output\"";
| *STDOUT=*OUT;
|
| sub hi() { my $r=shift; $r =~ s/%[er]([a-d])x/%\1h/; $r; }
| sub lo() { my $r=shift; $r =~ s/%[er]([a-d])x/%\1l/;
| $r =~ s/%[er]([sd]i)/%\1l/;
| $r =~ s/%(r[0-9]+)[d]?/%\1b/; $r; }
|
| $t0="%eax";$t1="%ebx";$t2="%ecx";$t3="%edx";
| @S=("%r8d","%r9d","%r10d","%r11d");
| $i0="%esi";
| $i1="%edi";
| $Tbl="%rbp"; # size optimization
| $inp="%r12";
| $out="%r13";
| $key="%r14";
| $keyend="%r15";
| $arg0d=$win64?"%ecx":"%edi";
|
| # const unsigned int Camellia_SBOX[4][256];
| # Well, sort of... Camellia_SBOX[0][] is interleaved with [1][],
| # and [2][] - with [3][]. This is done to minimize code size.
| $SBOX1_1110=0; # Camellia_SBOX[0]
| $SBOX4_4404=4; # Camellia_SBOX[1]
| $SBOX2_0222=2048; # Camellia_SBOX[2]
| $SBOX3_3033=2052; # Camellia_SBOX[3]
|
| sub Camellia_Feistel {
| my $i=@_[0];
| my $seed=defined(@_[1])?@_[1]:0;
| my $scale=$seed<0?-8:8;
| my $j=($i&1)*2;
| my ($s0,$s1,$s2,$s3)=(@S[($j)%4],@S[($j+1)%4],@S[($j+2)%4],@S[($j+3)%4]);
|
| $code.=<<___;
| xor $s0,$t0 # t0^=key[0]
| xor $s1,$t1 # t1^=key[1]
| movz `&hi("$t0")`,$i0 # (t0>>8)&0xff
| movz `&lo("$t1")`,$i1 # (t1>>0)&0xff
| mov $SBOX3_3033($Tbl,$i0,8),$t3 # t3=SBOX3_3033[0]
| mov $SBOX1_1110($Tbl,$i1,8),$t2 # t2=SBOX1_1110[1]
| movz `&lo("$t0")`,$i0 # (t0>>0)&0xff
| shr \$16,$t0
| movz `&hi("$t1")`,$i1 # (t1>>8)&0xff
| xor $SBOX4_4404($Tbl,$i0,8),$t3 # t3^=SBOX4_4404[0]
| shr \$16,$t1
| xor $SBOX4_4404($Tbl,$i1,8),$t2 # t2^=SBOX4_4404[1]
| movz `&hi("$t0")`,$i0 # (t0>>24)&0xff
| movz `&lo("$t1")`,$i1 # (t1>>16)&0xff
| xor $SBOX1_1110($Tbl,$i0,8),$t3 # t3^=SBOX1_1110[0]
| xor $SBOX3_3033($Tbl,$i1,8),$t2 # t2^=SBOX3_3033[1]
| movz `&lo("$t0")`,$i0 # (t0>>16)&0xff
| movz `&hi("$t1")`,$i1 # (t1>>24)&0xff
| xor $SBOX2_0222($Tbl,$i0,8),$t3 # t3^=SBOX2_0222[0]
| xor $SBOX2_0222($Tbl,$i1,8),$t2 # t2^=SBOX2_0222[1]
| mov `$seed+($i+1)*$scale`($key),$t1 # prefetch key[i+1]
| mov `$seed+($i+1)*$scale+4`($key),$t0
| xor $t3,$t2 # t2^=t3
| ror \$8,$t3 # t3=RightRotate(t3,8)
| xor $t2,$s2
| xor $t2,$s3
| xor $t3,$s3
| ___
| }
|
| # void Camellia_EncryptBlock_Rounds(
| # int grandRounds,
| # const Byte plaintext[],
| # const KEY_TABLE_TYPE keyTable,
| # Byte ciphertext[])
| $code=<<___;
| .text
|
| # V1.x API
| .globl Camellia_EncryptBlock
| .type Camellia_EncryptBlock,\@abi-omnipotent
| .align 16
| Camellia_EncryptBlock:
| .cfi_startproc
| movl \$128,%eax
| subl $arg0d,%eax
| movl \$3,$arg0d
| adcl \$0,$arg0d # keyBitLength==128?3:4
| jmp .Lenc_rounds
| .cfi_endproc
| .size Camellia_EncryptBlock,.-Camellia_EncryptBlock
| # V2
| .globl Camellia_EncryptBlock_Rounds
| .type Camellia_EncryptBlock_Rounds,\@function,4
| .align 16
| .Lenc_rounds:
| Camellia_EncryptBlock_Rounds:
| .cfi_startproc
| push %rbx
| .cfi_push %rbx
| push %rbp
| .cfi_push %rbp
| push %r13
| .cfi_push %r13
| push %r14
| .cfi_push %r14
| push %r15
| .cfi_push %r15
| .Lenc_prologue:
|
| #mov %rsi,$inp # put away arguments
| mov %rcx,$out
| mov %rdx,$key
|
| shl \$6,%edi # process grandRounds
| lea .LCamellia_SBOX(%rip),$Tbl
| lea ($key,%rdi),$keyend
|
| mov 0(%rsi),@S[0] # load plaintext
| mov 4(%rsi),@S[1]
| mov 8(%rsi),@S[2]
| bswap @S[0]
| mov 12(%rsi),@S[3]
| bswap @S[1]
| bswap @S[2]
| bswap @S[3]
|
| call _x86_64_Camellia_encrypt
|
| bswap @S[0]
| bswap @S[1]
| bswap @S[2]
| mov @S[0],0($out)
| bswap @S[3]
| mov @S[1],4($out)
| mov @S[2],8($out)
| mov @S[3],12($out)
|
| mov 0(%rsp),%r15
| .cfi_restore %r15
| mov 8(%rsp),%r14
| .cfi_restore %r14
| mov 16(%rsp),%r13
| .cfi_restore %r13
| mov 24(%rsp),%rbp
| .cfi_restore %rbp
| mov 32(%rsp),%rbx
| .cfi_restore %rbx
| lea 40(%rsp),%rsp
| .cfi_adjust_cfa_offset -40
| .Lenc_epilogue:
| ret
| .cfi_endproc
| .size Camellia_EncryptBlock_Rounds,.-Camellia_EncryptBlock_Rounds
|
| .type _x86_64_Camellia_encrypt,\@abi-omnipotent
| .align 16
| _x86_64_Camellia_encrypt:
| .cfi_startproc
| xor 0($key),@S[1]
| xor 4($key),@S[0] # ^=key[0-3]
| xor 8($key),@S[3]
| xor 12($key),@S[2]
| .align 16
| .Leloop:
| mov 16($key),$t1 # prefetch key[4-5]
| mov 20($key),$t0
|
| ___
| for ($i=0;$i<6;$i++) { Camellia_Feistel($i,16); }
| $code.=<<___;
| lea 16*4($key),$key
| cmp $keyend,$key
| mov 8($key),$t3 # prefetch key[2-3]
| mov 12($key),$t2
| je .Ledone
|
| and @S[0],$t0
| or @S[3],$t3
| rol \$1,$t0
| xor $t3,@S[2] # s2^=s3|key[3];
| xor $t0,@S[1] # s1^=LeftRotate(s0&key[0],1);
| and @S[2],$t2
| or @S[1],$t1
| rol \$1,$t2
| xor $t1,@S[0] # s0^=s1|key[1];
| xor $t2,@S[3] # s3^=LeftRotate(s2&key[2],1);
| jmp .Leloop
|
| .align 16
| .Ledone:
| xor @S[2],$t0 # SwapHalf
| xor @S[3],$t1
| xor @S[0],$t2
| xor @S[1],$t3
|
| mov $t0,@S[0]
| mov $t1,@S[1]
| mov $t2,@S[2]
| mov $t3,@S[3]
|
| .byte 0xf3,0xc3 # rep ret
| .cfi_endproc
| .size _x86_64_Camellia_encrypt,.-_x86_64_Camellia_encrypt
|
| # V1.x API
| .globl Camellia_DecryptBlock
| .type Camellia_DecryptBlock,\@abi-omnipotent
| .align 16
| Camellia_DecryptBlock:
| .cfi_startproc
| movl \$128,%eax
| subl $arg0d,%eax
| movl \$3,$arg0d
| adcl \$0,$arg0d # keyBitLength==128?3:4
| jmp .Ldec_rounds
| .cfi_endproc
| .size Camellia_DecryptBlock,.-Camellia_DecryptBlock
| # V2
| .globl Camellia_DecryptBlock_Rounds
| .type Camellia_DecryptBlock_Rounds,\@function,4
| .align 16
| .Ldec_rounds:
| Camellia_DecryptBlock_Rounds:
| .cfi_startproc
| push %rbx
| .cfi_push %rbx
| push %rbp
| .cfi_push %rbp
| push %r13
| .cfi_push %r13
| push %r14
| .cfi_push %r14
| push %r15
| .cfi_push %r15
| .Ldec_prologue:
|
| #mov %rsi,$inp # put away arguments
| mov %rcx,$out
| mov %rdx,$keyend
|
| shl \$6,%edi # process grandRounds
| lea .LCamellia_SBOX(%rip),$Tbl
| lea ($keyend,%rdi),$key
|
| mov 0(%rsi),@S[0] # load plaintext
| mov 4(%rsi),@S[1]
| mov 8(%rsi),@S[2]
| bswap @S[0]
| mov 12(%rsi),@S[3]
| bswap @S[1]
| bswap @S[2]
| bswap @S[3]
|
| call _x86_64_Camellia_decrypt
|
| bswap @S[0]
| bswap @S[1]
| bswap @S[2]
| mov @S[0],0($out)
| bswap @S[3]
| mov @S[1],4($out)
| mov @S[2],8($out)
| mov @S[3],12($out)
|
| mov 0(%rsp),%r15
| .cfi_restore %r15
| mov 8(%rsp),%r14
| .cfi_restore %r14
| mov 16(%rsp),%r13
| .cfi_restore %r13
| mov 24(%rsp),%rbp
| .cfi_restore %rbp
| mov 32(%rsp),%rbx
| .cfi_restore %rbx
| lea 40(%rsp),%rsp
| .cfi_adjust_cfa_offset -40
| .Ldec_epilogue:
| ret
| .cfi_endproc
| .size Camellia_DecryptBlock_Rounds,.-Camellia_DecryptBlock_Rounds
|
| .type _x86_64_Camellia_decrypt,\@abi-omnipotent
| .align 16
| _x86_64_Camellia_decrypt:
| .cfi_startproc
| xor 0($key),@S[1]
| xor 4($key),@S[0] # ^=key[0-3]
| xor 8($key),@S[3]
| xor 12($key),@S[2]
| .align 16
| .Ldloop:
| mov -8($key),$t1 # prefetch key[4-5]
| mov -4($key),$t0
|
| ___
| for ($i=0;$i<6;$i++) { Camellia_Feistel($i,-8); }
| $code.=<<___;
| lea -16*4($key),$key
| cmp $keyend,$key
| mov 0($key),$t3 # prefetch key[2-3]
| mov 4($key),$t2
| je .Lddone
|
| and @S[0],$t0
| or @S[3],$t3
| rol \$1,$t0
| xor $t3,@S[2] # s2^=s3|key[3];
| xor $t0,@S[1] # s1^=LeftRotate(s0&key[0],1);
| and @S[2],$t2
| or @S[1],$t1
| rol \$1,$t2
| xor $t1,@S[0] # s0^=s1|key[1];
| xor $t2,@S[3] # s3^=LeftRotate(s2&key[2],1);
|
| jmp .Ldloop
|
| .align 16
| .Lddone:
| xor @S[2],$t2
| xor @S[3],$t3
| xor @S[0],$t0
| xor @S[1],$t1
|
| mov $t2,@S[0] # SwapHalf
| mov $t3,@S[1]
| mov $t0,@S[2]
| mov $t1,@S[3]
|
| .byte 0xf3,0xc3 # rep ret
| .cfi_endproc
| .size _x86_64_Camellia_decrypt,.-_x86_64_Camellia_decrypt
| ___
|
| sub _saveround {
| my ($rnd,$key,@T)=@_;
| my $bias=int(@T[0])?shift(@T):0;
|
| if ($#T==3) {
| $code.=<<___;
| mov @T[1],`$bias+$rnd*8+0`($key)
| mov @T[0],`$bias+$rnd*8+4`($key)
| mov @T[3],`$bias+$rnd*8+8`($key)
| mov @T[2],`$bias+$rnd*8+12`($key)
| ___
| } else {
| $code.=" mov @T[0],`$bias+$rnd*8+0`($key)\n";
| $code.=" mov @T[1],`$bias+$rnd*8+8`($key)\n" if ($#T>=1);
| }
| }
|
| sub _loadround {
| my ($rnd,$key,@T)=@_;
| my $bias=int(@T[0])?shift(@T):0;
|
| $code.=" mov `$bias+$rnd*8+0`($key),@T[0]\n";
| $code.=" mov `$bias+$rnd*8+8`($key),@T[1]\n" if ($#T>=1);
| }
|
| # shld is very slow on Intel EM64T family. Even on AMD it limits
| # instruction decode rate [because it's VectorPath] and consequently
| # performance...
| sub __rotl128 {
| my ($i0,$i1,$rot)=@_;
|
| if ($rot) {
| $code.=<<___;
| mov $i0,%r11
| shld \$$rot,$i1,$i0
| shld \$$rot,%r11,$i1
| ___
| }
| }
|
| # ... Implementing 128-bit rotate without shld gives 80% better
| # performance EM64T, +15% on AMD64 and only ~7% degradation on
| # Core2. This is therefore preferred.
| sub _rotl128 {
| my ($i0,$i1,$rot)=@_;
|
| if ($rot) {
| $code.=<<___;
| mov $i0,%r11
| shl \$$rot,$i0
| mov $i1,%r9
| shr \$`64-$rot`,%r9
| shr \$`64-$rot`,%r11
| or %r9,$i0
| shl \$$rot,$i1
| or %r11,$i1
| ___
| }
| }
|
| { my $step=0;
|
| $code.=<<___;
| .globl Camellia_Ekeygen
| .type Camellia_Ekeygen,\@function,3
| .align 16
| Camellia_Ekeygen:
| .cfi_startproc
| push %rbx
| .cfi_push %rbx
| push %rbp
| .cfi_push %rbp
| push %r13
| .cfi_push %r13
| push %r14
| .cfi_push %r14
| push %r15
| .cfi_push %r15
| .Lkey_prologue:
|
| mov %edi,${keyend}d # put away arguments, keyBitLength
| mov %rdx,$out # keyTable
|
| mov 0(%rsi),@S[0] # load 0-127 bits
| mov 4(%rsi),@S[1]
| mov 8(%rsi),@S[2]
| mov 12(%rsi),@S[3]
|
| bswap @S[0]
| bswap @S[1]
| bswap @S[2]
| bswap @S[3]
| ___
| &_saveround (0,$out,@S); # KL<<<0
| $code.=<<___;
| cmp \$128,$keyend # check keyBitLength
| je .L1st128
|
| mov 16(%rsi),@S[0] # load 128-191 bits
| mov 20(%rsi),@S[1]
| cmp \$192,$keyend
| je .L1st192
| mov 24(%rsi),@S[2] # load 192-255 bits
| mov 28(%rsi),@S[3]
| jmp .L1st256
| .L1st192:
| mov @S[0],@S[2]
| mov @S[1],@S[3]
| not @S[2]
| not @S[3]
| .L1st256:
| bswap @S[0]
| bswap @S[1]
| bswap @S[2]
| bswap @S[3]
| ___
| &_saveround (4,$out,@S); # temp storage for KR!
| $code.=<<___;
| xor 0($out),@S[1] # KR^KL
| xor 4($out),@S[0]
| xor 8($out),@S[3]
| xor 12($out),@S[2]
|
| .L1st128:
| lea .LCamellia_SIGMA(%rip),$key
| lea .LCamellia_SBOX(%rip),$Tbl
|
| mov 0($key),$t1
| mov 4($key),$t0
| ___
| &Camellia_Feistel($step++);
| &Camellia_Feistel($step++);
| $code.=<<___;
| xor 0($out),@S[1] # ^KL
| xor 4($out),@S[0]
| xor 8($out),@S[3]
| xor 12($out),@S[2]
| ___
| &Camellia_Feistel($step++);
| &Camellia_Feistel($step++);
| $code.=<<___;
| cmp \$128,$keyend
| jne .L2nd256
|
| lea 128($out),$out # size optimization
| shl \$32,%r8 # @S[0]||
| shl \$32,%r10 # @S[2]||
| or %r9,%r8 # ||@S[1]
| or %r11,%r10 # ||@S[3]
| ___
| &_loadround (0,$out,-128,"%rax","%rbx"); # KL
| &_saveround (2,$out,-128,"%r8","%r10"); # KA<<<0
| &_rotl128 ("%rax","%rbx",15);
| &_saveround (4,$out,-128,"%rax","%rbx"); # KL<<<15
| &_rotl128 ("%r8","%r10",15);
| &_saveround (6,$out,-128,"%r8","%r10"); # KA<<<15
| &_rotl128 ("%r8","%r10",15); # 15+15=30
| &_saveround (8,$out,-128,"%r8","%r10"); # KA<<<30
| &_rotl128 ("%rax","%rbx",30); # 15+30=45
| &_saveround (10,$out,-128,"%rax","%rbx"); # KL<<<45
| &_rotl128 ("%r8","%r10",15); # 30+15=45
| &_saveround (12,$out,-128,"%r8"); # KA<<<45
| &_rotl128 ("%rax","%rbx",15); # 45+15=60
| &_saveround (13,$out,-128,"%rbx"); # KL<<<60
| &_rotl128 ("%r8","%r10",15); # 45+15=60
| &_saveround (14,$out,-128,"%r8","%r10"); # KA<<<60
| &_rotl128 ("%rax","%rbx",17); # 60+17=77
| &_saveround (16,$out,-128,"%rax","%rbx"); # KL<<<77
| &_rotl128 ("%rax","%rbx",17); # 77+17=94
| &_saveround (18,$out,-128,"%rax","%rbx"); # KL<<<94
| &_rotl128 ("%r8","%r10",34); # 60+34=94
| &_saveround (20,$out,-128,"%r8","%r10"); # KA<<<94
| &_rotl128 ("%rax","%rbx",17); # 94+17=111
| &_saveround (22,$out,-128,"%rax","%rbx"); # KL<<<111
| &_rotl128 ("%r8","%r10",17); # 94+17=111
| &_saveround (24,$out,-128,"%r8","%r10"); # KA<<<111
| $code.=<<___;
| mov \$3,%eax
| jmp .Ldone
| .align 16
| .L2nd256:
| ___
| &_saveround (6,$out,@S); # temp storage for KA!
| $code.=<<___;
| xor `4*8+0`($out),@S[1] # KA^KR
| xor `4*8+4`($out),@S[0]
| xor `5*8+0`($out),@S[3]
| xor `5*8+4`($out),@S[2]
| ___
| &Camellia_Feistel($step++);
| &Camellia_Feistel($step++);
|
| &_loadround (0,$out,"%rax","%rbx"); # KL
| &_loadround (4,$out,"%rcx","%rdx"); # KR
| &_loadround (6,$out,"%r14","%r15"); # KA
| $code.=<<___;
| lea 128($out),$out # size optimization
| shl \$32,%r8 # @S[0]||
| shl \$32,%r10 # @S[2]||
| or %r9,%r8 # ||@S[1]
| or %r11,%r10 # ||@S[3]
| ___
| &_saveround (2,$out,-128,"%r8","%r10"); # KB<<<0
| &_rotl128 ("%rcx","%rdx",15);
| &_saveround (4,$out,-128,"%rcx","%rdx"); # KR<<<15
| &_rotl128 ("%r14","%r15",15);
| &_saveround (6,$out,-128,"%r14","%r15"); # KA<<<15
| &_rotl128 ("%rcx","%rdx",15); # 15+15=30
| &_saveround (8,$out,-128,"%rcx","%rdx"); # KR<<<30
| &_rotl128 ("%r8","%r10",30);
| &_saveround (10,$out,-128,"%r8","%r10"); # KB<<<30
| &_rotl128 ("%rax","%rbx",45);
| &_saveround (12,$out,-128,"%rax","%rbx"); # KL<<<45
| &_rotl128 ("%r14","%r15",30); # 15+30=45
| &_saveround (14,$out,-128,"%r14","%r15"); # KA<<<45
| &_rotl128 ("%rax","%rbx",15); # 45+15=60
| &_saveround (16,$out,-128,"%rax","%rbx"); # KL<<<60
| &_rotl128 ("%rcx","%rdx",30); # 30+30=60
| &_saveround (18,$out,-128,"%rcx","%rdx"); # KR<<<60
| &_rotl128 ("%r8","%r10",30); # 30+30=60
| &_saveround (20,$out,-128,"%r8","%r10"); # KB<<<60
| &_rotl128 ("%rax","%rbx",17); # 60+17=77
| &_saveround (22,$out,-128,"%rax","%rbx"); # KL<<<77
| &_rotl128 ("%r14","%r15",32); # 45+32=77
| &_saveround (24,$out,-128,"%r14","%r15"); # KA<<<77
| &_rotl128 ("%rcx","%rdx",34); # 60+34=94
| &_saveround (26,$out,-128,"%rcx","%rdx"); # KR<<<94
| &_rotl128 ("%r14","%r15",17); # 77+17=94
| &_saveround (28,$out,-128,"%r14","%r15"); # KA<<<77
| &_rotl128 ("%rax","%rbx",34); # 77+34=111
| &_saveround (30,$out,-128,"%rax","%rbx"); # KL<<<111
| &_rotl128 ("%r8","%r10",51); # 60+51=111
| &_saveround (32,$out,-128,"%r8","%r10"); # KB<<<111
| $code.=<<___;
| mov \$4,%eax
| .Ldone:
| mov 0(%rsp),%r15
| .cfi_restore %r15
| mov 8(%rsp),%r14
| .cfi_restore %r14
| mov 16(%rsp),%r13
| .cfi_restore %r13
| mov 24(%rsp),%rbp
| .cfi_restore %rbp
| mov 32(%rsp),%rbx
| .cfi_restore %rbx
| lea 40(%rsp),%rsp
| .cfi_adjust_cfa_offset -40
| .Lkey_epilogue:
| ret
| .cfi_endproc
| .size Camellia_Ekeygen,.-Camellia_Ekeygen
| ___
| }
|
| @SBOX=(
| 112,130, 44,236,179, 39,192,229,228,133, 87, 53,234, 12,174, 65,
| 35,239,107,147, 69, 25,165, 33,237, 14, 79, 78, 29,101,146,189,
| 134,184,175,143,124,235, 31,206, 62, 48,220, 95, 94,197, 11, 26,
| 166,225, 57,202,213, 71, 93, 61,217, 1, 90,214, 81, 86,108, 77,
| 139, 13,154,102,251,204,176, 45,116, 18, 43, 32,240,177,132,153,
| 223, 76,203,194, 52,126,118, 5,109,183,169, 49,209, 23, 4,215,
| 20, 88, 58, 97,222, 27, 17, 28, 50, 15,156, 22, 83, 24,242, 34,
| 254, 68,207,178,195,181,122,145, 36, 8,232,168, 96,252,105, 80,
| 170,208,160,125,161,137, 98,151, 84, 91, 30,149,224,255,100,210,
| 16,196, 0, 72,163,247,117,219,138, 3,230,218, 9, 63,221,148,
| 135, 92,131, 2,205, 74,144, 51,115,103,246,243,157,127,191,226,
| 82,155,216, 38,200, 55,198, 59,129,150,111, 75, 19,190, 99, 46,
| 233,121,167,140,159,110,188,142, 41,245,249,182, 47,253,180, 89,
| 120,152, 6,106,231, 70,113,186,212, 37,171, 66,136,162,141,250,
| 114, 7,185, 85,248,238,172, 10, 54, 73, 42,104, 60, 56,241,164,
| 64, 40,211,123,187,201, 67,193, 21,227,173,244,119,199,128,158);
|
| sub S1110 { my $i=shift; $i=@SBOX[$i]; $i=$i<<24|$i<<16|$i<<8; sprintf("0x%08x",$i); }
| sub S4404 { my $i=shift; $i=($i<<1|$i>>7)&0xff; $i=@SBOX[$i]; $i=$i<<24|$i<<16|$i; sprintf("0x%08x",$i); }
| sub S0222 { my $i=shift; $i=@SBOX[$i]; $i=($i<<1|$i>>7)&0xff; $i=$i<<16|$i<<8|$i; sprintf("0x%08x",$i); }
| sub S3033 { my $i=shift; $i=@SBOX[$i]; $i=($i>>1|$i<<7)&0xff; $i=$i<<24|$i<<8|$i; sprintf("0x%08x",$i); }
|
| $code.=<<___;
| .align 64
| .LCamellia_SIGMA:
| .long 0x3bcc908b, 0xa09e667f, 0x4caa73b2, 0xb67ae858
| .long 0xe94f82be, 0xc6ef372f, 0xf1d36f1c, 0x54ff53a5
| .long 0xde682d1d, 0x10e527fa, 0xb3e6c1fd, 0xb05688c2
| .long 0, 0, 0, 0
| .LCamellia_SBOX:
| ___
| # tables are interleaved, remember?
| sub data_word { $code.=".long\t".join(',',@_)."\n"; }
| for ($i=0;$i<256;$i++) { &data_word(&S1110($i),&S4404($i)); }
| for ($i=0;$i<256;$i++) { &data_word(&S0222($i),&S3033($i)); }
|
| # void Camellia_cbc_encrypt (const void char *inp, unsigned char *out,
| # size_t length, const CAMELLIA_KEY *key,
| # unsigned char *ivp,const int enc);
| {
| $_key="0(%rsp)";
| $_end="8(%rsp)"; # inp+len&~15
| $_res="16(%rsp)"; # len&15
| $ivec="24(%rsp)";
| $_ivp="40(%rsp)";
| $_rsp="48(%rsp)";
|
| $code.=<<___;
| .globl Camellia_cbc_encrypt
| .type Camellia_cbc_encrypt,\@function,6
| .align 16
| Camellia_cbc_encrypt:
| .cfi_startproc
| cmp \$0,%rdx
| je .Lcbc_abort
| push %rbx
| .cfi_push %rbx
| push %rbp
| .cfi_push %rbp
| push %r12
| .cfi_push %r12
| push %r13
| .cfi_push %r13
| push %r14
| .cfi_push %r14
| push %r15
| .cfi_push %r15
| .Lcbc_prologue:
|
| mov %rsp,%rbp
| .cfi_def_cfa_register %rbp
| sub \$64,%rsp
| and \$-64,%rsp
|
| # place stack frame just "above mod 1024" the key schedule,
| # this ensures that cache associativity suffices
| lea -64-63(%rcx),%r10
| sub %rsp,%r10
| neg %r10
| and \$0x3C0,%r10
| sub %r10,%rsp
| #add \$8,%rsp # 8 is reserved for callee's ra
|
| mov %rdi,$inp # inp argument
| mov %rsi,$out # out argument
| mov %r8,%rbx # ivp argument
| mov %rcx,$key # key argument
| mov 272(%rcx),${keyend}d # grandRounds
|
| mov %r8,$_ivp
| mov %rbp,$_rsp
| .cfi_cfa_expression $_rsp,deref,+56
|
| .Lcbc_body:
| lea .LCamellia_SBOX(%rip),$Tbl
|
| mov \$32,%ecx
| .align 4
| .Lcbc_prefetch_sbox:
| mov 0($Tbl),%rax
| mov 32($Tbl),%rsi
| mov 64($Tbl),%rdi
| mov 96($Tbl),%r11
| lea 128($Tbl),$Tbl
| loop .Lcbc_prefetch_sbox
| sub \$4096,$Tbl
| shl \$6,$keyend
| mov %rdx,%rcx # len argument
| lea ($key,$keyend),$keyend
|
| cmp \$0,%r9d # enc argument
| je .LCBC_DECRYPT
|
| and \$-16,%rdx
| and \$15,%rcx # length residue
| lea ($inp,%rdx),%rdx
| mov $key,$_key
| mov %rdx,$_end
| mov %rcx,$_res
|
| cmp $inp,%rdx
| mov 0(%rbx),@S[0] # load IV
| mov 4(%rbx),@S[1]
| mov 8(%rbx),@S[2]
| mov 12(%rbx),@S[3]
| je .Lcbc_enc_tail
| jmp .Lcbc_eloop
|
| .align 16
| .Lcbc_eloop:
| xor 0($inp),@S[0]
| xor 4($inp),@S[1]
| xor 8($inp),@S[2]
| bswap @S[0]
| xor 12($inp),@S[3]
| bswap @S[1]
| bswap @S[2]
| bswap @S[3]
|
| call _x86_64_Camellia_encrypt
|
| mov $_key,$key # "rewind" the key
| bswap @S[0]
| mov $_end,%rdx
| bswap @S[1]
| mov $_res,%rcx
| bswap @S[2]
| mov @S[0],0($out)
| bswap @S[3]
| mov @S[1],4($out)
| mov @S[2],8($out)
| lea 16($inp),$inp
| mov @S[3],12($out)
| cmp %rdx,$inp
| lea 16($out),$out
| jne .Lcbc_eloop
|
| cmp \$0,%rcx
| jne .Lcbc_enc_tail
|
| mov $_ivp,$out
| mov @S[0],0($out) # write out IV residue
| mov @S[1],4($out)
| mov @S[2],8($out)
| mov @S[3],12($out)
| jmp .Lcbc_done
|
| .align 16
| .Lcbc_enc_tail:
| xor %rax,%rax
| mov %rax,0+$ivec
| mov %rax,8+$ivec
| mov %rax,$_res
|
| .Lcbc_enc_pushf:
| pushfq
| cld
| mov $inp,%rsi
| lea 8+$ivec,%rdi
| .long 0x9066A4F3 # rep movsb
| popfq
| .Lcbc_enc_popf:
|
| lea $ivec,$inp
| lea 16+$ivec,%rax
| mov %rax,$_end
| jmp .Lcbc_eloop # one more time
|
| .align 16
| .LCBC_DECRYPT:
| xchg $key,$keyend
| add \$15,%rdx
| and \$15,%rcx # length residue
| and \$-16,%rdx
| mov $key,$_key
| lea ($inp,%rdx),%rdx
| mov %rdx,$_end
| mov %rcx,$_res
|
| mov (%rbx),%rax # load IV
| mov 8(%rbx),%rbx
| jmp .Lcbc_dloop
| .align 16
| .Lcbc_dloop:
| mov 0($inp),@S[0]
| mov 4($inp),@S[1]
| mov 8($inp),@S[2]
| bswap @S[0]
| mov 12($inp),@S[3]
| bswap @S[1]
| mov %rax,0+$ivec # save IV to temporary storage
| bswap @S[2]
| mov %rbx,8+$ivec
| bswap @S[3]
|
| call _x86_64_Camellia_decrypt
|
| mov $_key,$key # "rewind" the key
| mov $_end,%rdx
| mov $_res,%rcx
|
| bswap @S[0]
| mov ($inp),%rax # load IV for next iteration
| bswap @S[1]
| mov 8($inp),%rbx
| bswap @S[2]
| xor 0+$ivec,@S[0]
| bswap @S[3]
| xor 4+$ivec,@S[1]
| xor 8+$ivec,@S[2]
| lea 16($inp),$inp
| xor 12+$ivec,@S[3]
| cmp %rdx,$inp
| je .Lcbc_ddone
|
| mov @S[0],0($out)
| mov @S[1],4($out)
| mov @S[2],8($out)
| mov @S[3],12($out)
|
| lea 16($out),$out
| jmp .Lcbc_dloop
|
| .align 16
| .Lcbc_ddone:
| mov $_ivp,%rdx
| cmp \$0,%rcx
| jne .Lcbc_dec_tail
|
| mov @S[0],0($out)
| mov @S[1],4($out)
| mov @S[2],8($out)
| mov @S[3],12($out)
|
| mov %rax,(%rdx) # write out IV residue
| mov %rbx,8(%rdx)
| jmp .Lcbc_done
| .align 16
| .Lcbc_dec_tail:
| mov @S[0],0+$ivec
| mov @S[1],4+$ivec
| mov @S[2],8+$ivec
| mov @S[3],12+$ivec
|
| .Lcbc_dec_pushf:
| pushfq
| cld
| lea 8+$ivec,%rsi
| lea ($out),%rdi
| .long 0x9066A4F3 # rep movsb
| popfq
| .Lcbc_dec_popf:
|
| mov %rax,(%rdx) # write out IV residue
| mov %rbx,8(%rdx)
| jmp .Lcbc_done
|
| .align 16
| .Lcbc_done:
| mov $_rsp,%rcx
| .cfi_def_cfa %rcx,56
| mov 0(%rcx),%r15
| .cfi_restore %r15
| mov 8(%rcx),%r14
| .cfi_restore %r14
| mov 16(%rcx),%r13
| .cfi_restore %r13
| mov 24(%rcx),%r12
| .cfi_restore %r12
| mov 32(%rcx),%rbp
| .cfi_restore %rbp
| mov 40(%rcx),%rbx
| .cfi_restore %rbx
| lea 48(%rcx),%rsp
| .cfi_def_cfa %rsp,8
| .Lcbc_abort:
| ret
| .cfi_endproc
| .size Camellia_cbc_encrypt,.-Camellia_cbc_encrypt
|
| .asciz "Camellia for x86_64 by <appro\@openssl.org>"
| ___
| }
|
| # EXCEPTION_DISPOSITION handler (EXCEPTION_RECORD *rec,ULONG64 frame,
| # CONTEXT *context,DISPATCHER_CONTEXT *disp)
| if ($win64) {
| $rec="%rcx";
| $frame="%rdx";
| $context="%r8";
| $disp="%r9";
|
| $code.=<<___;
| .extern __imp_RtlVirtualUnwind
| .type common_se_handler,\@abi-omnipotent
| .align 16
| common_se_handler:
| push %rsi
| push %rdi
| push %rbx
| push %rbp
| push %r12
| push %r13
| push %r14
| push %r15
| pushfq
| lea -64(%rsp),%rsp
|
| mov 120($context),%rax # pull context->Rax
| mov 248($context),%rbx # pull context->Rip
|
| mov 8($disp),%rsi # disp->ImageBase
| mov 56($disp),%r11 # disp->HandlerData
|
| mov 0(%r11),%r10d # HandlerData[0]
| lea (%rsi,%r10),%r10 # prologue label
| cmp %r10,%rbx # context->Rip<prologue label
| jb .Lin_prologue
|
| mov 152($context),%rax # pull context->Rsp
|
| mov 4(%r11),%r10d # HandlerData[1]
| lea (%rsi,%r10),%r10 # epilogue label
| cmp %r10,%rbx # context->Rip>=epilogue label
| jae .Lin_prologue
|
| lea 40(%rax),%rax
| mov -8(%rax),%rbx
| mov -16(%rax),%rbp
| mov -24(%rax),%r13
| mov -32(%rax),%r14
| mov -40(%rax),%r15
| mov %rbx,144($context) # restore context->Rbx
| mov %rbp,160($context) # restore context->Rbp
| mov %r13,224($context) # restore context->R13
| mov %r14,232($context) # restore context->R14
| mov %r15,240($context) # restore context->R15
|
| .Lin_prologue:
| mov 8(%rax),%rdi
| mov 16(%rax),%rsi
| mov %rax,152($context) # restore context->Rsp
| mov %rsi,168($context) # restore context->Rsi
| mov %rdi,176($context) # restore context->Rdi
|
| jmp .Lcommon_seh_exit
| .size common_se_handler,.-common_se_handler
|
| .type cbc_se_handler,\@abi-omnipotent
| .align 16
| cbc_se_handler:
| push %rsi
| push %rdi
| push %rbx
| push %rbp
| push %r12
| push %r13
| push %r14
| push %r15
| pushfq
| lea -64(%rsp),%rsp
|
| mov 120($context),%rax # pull context->Rax
| mov 248($context),%rbx # pull context->Rip
|
| lea .Lcbc_prologue(%rip),%r10
| cmp %r10,%rbx # context->Rip<.Lcbc_prologue
| jb .Lin_cbc_prologue
|
| lea .Lcbc_body(%rip),%r10
| cmp %r10,%rbx # context->Rip<.Lcbc_body
| jb .Lin_cbc_frame_setup
|
| mov 152($context),%rax # pull context->Rsp
|
| lea .Lcbc_abort(%rip),%r10
| cmp %r10,%rbx # context->Rip>=.Lcbc_abort
| jae .Lin_cbc_prologue
|
| # handle pushf/popf in Camellia_cbc_encrypt
| lea .Lcbc_enc_pushf(%rip),%r10
| cmp %r10,%rbx # context->Rip<=.Lcbc_enc_pushf
| jbe .Lin_cbc_no_flag
| lea 8(%rax),%rax
| lea .Lcbc_enc_popf(%rip),%r10
| cmp %r10,%rbx # context->Rip<.Lcbc_enc_popf
| jb .Lin_cbc_no_flag
| lea -8(%rax),%rax
| lea .Lcbc_dec_pushf(%rip),%r10
| cmp %r10,%rbx # context->Rip<=.Lcbc_dec_pushf
| jbe .Lin_cbc_no_flag
| lea 8(%rax),%rax
| lea .Lcbc_dec_popf(%rip),%r10
| cmp %r10,%rbx # context->Rip<.Lcbc_dec_popf
| jb .Lin_cbc_no_flag
| lea -8(%rax),%rax
|
| .Lin_cbc_no_flag:
| mov 48(%rax),%rax # $_rsp
| lea 48(%rax),%rax
|
| .Lin_cbc_frame_setup:
| mov -8(%rax),%rbx
| mov -16(%rax),%rbp
| mov -24(%rax),%r12
| mov -32(%rax),%r13
| mov -40(%rax),%r14
| mov -48(%rax),%r15
| mov %rbx,144($context) # restore context->Rbx
| mov %rbp,160($context) # restore context->Rbp
| mov %r12,216($context) # restore context->R12
| mov %r13,224($context) # restore context->R13
| mov %r14,232($context) # restore context->R14
| mov %r15,240($context) # restore context->R15
|
| .Lin_cbc_prologue:
| mov 8(%rax),%rdi
| mov 16(%rax),%rsi
| mov %rax,152($context) # restore context->Rsp
| mov %rsi,168($context) # restore context->Rsi
| mov %rdi,176($context) # restore context->Rdi
|
| .align 4
| .Lcommon_seh_exit:
|
| mov 40($disp),%rdi # disp->ContextRecord
| mov $context,%rsi # context
| mov \$`1232/8`,%ecx # sizeof(CONTEXT)
| .long 0xa548f3fc # cld; rep movsq
|
| mov $disp,%rsi
| xor %rcx,%rcx # arg1, UNW_FLAG_NHANDLER
| mov 8(%rsi),%rdx # arg2, disp->ImageBase
| mov 0(%rsi),%r8 # arg3, disp->ControlPc
| mov 16(%rsi),%r9 # arg4, disp->FunctionEntry
| mov 40(%rsi),%r10 # disp->ContextRecord
| lea 56(%rsi),%r11 # &disp->HandlerData
| lea 24(%rsi),%r12 # &disp->EstablisherFrame
| mov %r10,32(%rsp) # arg5
| mov %r11,40(%rsp) # arg6
| mov %r12,48(%rsp) # arg7
| mov %rcx,56(%rsp) # arg8, (NULL)
| call *__imp_RtlVirtualUnwind(%rip)
|
| mov \$1,%eax # ExceptionContinueSearch
| lea 64(%rsp),%rsp
| popfq
| pop %r15
| pop %r14
| pop %r13
| pop %r12
| pop %rbp
| pop %rbx
| pop %rdi
| pop %rsi
| ret
| .size cbc_se_handler,.-cbc_se_handler
|
| .section .pdata
| .align 4
| .rva .LSEH_begin_Camellia_EncryptBlock_Rounds
| .rva .LSEH_end_Camellia_EncryptBlock_Rounds
| .rva .LSEH_info_Camellia_EncryptBlock_Rounds
|
| .rva .LSEH_begin_Camellia_DecryptBlock_Rounds
| .rva .LSEH_end_Camellia_DecryptBlock_Rounds
| .rva .LSEH_info_Camellia_DecryptBlock_Rounds
|
| .rva .LSEH_begin_Camellia_Ekeygen
| .rva .LSEH_end_Camellia_Ekeygen
| .rva .LSEH_info_Camellia_Ekeygen
|
| .rva .LSEH_begin_Camellia_cbc_encrypt
| .rva .LSEH_end_Camellia_cbc_encrypt
| .rva .LSEH_info_Camellia_cbc_encrypt
|
| .section .xdata
| .align 8
| .LSEH_info_Camellia_EncryptBlock_Rounds:
| .byte 9,0,0,0
| .rva common_se_handler
| .rva .Lenc_prologue,.Lenc_epilogue # HandlerData[]
| .LSEH_info_Camellia_DecryptBlock_Rounds:
| .byte 9,0,0,0
| .rva common_se_handler
| .rva .Ldec_prologue,.Ldec_epilogue # HandlerData[]
| .LSEH_info_Camellia_Ekeygen:
| .byte 9,0,0,0
| .rva common_se_handler
| .rva .Lkey_prologue,.Lkey_epilogue # HandlerData[]
| .LSEH_info_Camellia_cbc_encrypt:
| .byte 9,0,0,0
| .rva cbc_se_handler
| ___
| }
|
| $code =~ s/\`([^\`]*)\`/eval $1/gem;
| print $code;
| close STDOUT or die "error closing STDOUT: $!";
|
|
