1082 lines
25 KiB
Perl
1082 lines
25 KiB
Perl
#!/usr/bin/env perl
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# ====================================================================
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# Copyright (c) 2008 Andy Polyakov <appro@openssl.org>
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#
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# This module may be used under the terms of either the GNU General
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# Public License version 2 or later, the GNU Lesser General Public
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# License version 2.1 or later, the Mozilla Public License version
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# 1.1 or the BSD License. The exact terms of either license are
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# distributed along with this module. For further details see
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# http://www.openssl.org/~appro/camellia/.
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# ====================================================================
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# Performance in cycles per processed byte (less is better) in
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# 'openssl speed ...' benchmark:
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#
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# AMD64 Core2 EM64T
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# -evp camellia-128-ecb 16.7 21.0 22.7
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# + over gcc 3.4.6 +25% +5% 0%
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#
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# camellia-128-cbc 15.7 20.4 21.1
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#
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# 128-bit key setup 128 216 205 cycles/key
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# + over gcc 3.4.6 +54% +39% +15%
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#
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# Numbers in "+" rows represent performance improvement over compiler
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# generated code. Key setup timings are impressive on AMD and Core2
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# thanks to 64-bit operations being covertly deployed. Improvement on
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# EM64T, pre-Core2 Intel x86_64 CPU, is not as impressive, because it
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# apparently emulates some of 64-bit operations in [32-bit] microcode.
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$flavour = shift;
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$output = shift;
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if ($flavour =~ /\./) { $output = $flavour; undef $flavour; }
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$win64=0; $win64=1 if ($flavour =~ /[nm]asm|mingw64/ || $output =~ /\.asm$/);
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$0 =~ m/(.*[\/\\])[^\/\\]+$/; $dir=$1;
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( $xlate="${dir}x86_64-xlate.pl" and -f $xlate ) or
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( $xlate="${dir}../../perlasm/x86_64-xlate.pl" and -f $xlate) or
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die "can't locate x86_64-xlate.pl";
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open OUT,"| \"$^X\" $xlate $flavour $output";
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*STDOUT=*OUT;
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sub hi() { my $r=shift; $r =~ s/%[er]([a-d])x/%\1h/; $r; }
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sub lo() { my $r=shift; $r =~ s/%[er]([a-d])x/%\1l/;
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$r =~ s/%[er]([sd]i)/%\1l/;
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$r =~ s/%(r[0-9]+)[d]?/%\1b/; $r; }
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$t0="%eax";$t1="%ebx";$t2="%ecx";$t3="%edx";
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@S=("%r8d","%r9d","%r10d","%r11d");
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$i0="%esi";
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$i1="%edi";
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$Tbl="%rbp"; # size optimization
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$inp="%r12";
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$out="%r13";
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$key="%r14";
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$keyend="%r15";
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$arg0d=$win64?"%ecx":"%edi";
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# const unsigned int Camellia_SBOX[4][256];
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# Well, sort of... Camellia_SBOX[0][] is interleaved with [1][],
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# and [2][] - with [3][]. This is done to minimize code size.
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$SBOX1_1110=0; # Camellia_SBOX[0]
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$SBOX4_4404=4; # Camellia_SBOX[1]
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$SBOX2_0222=2048; # Camellia_SBOX[2]
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$SBOX3_3033=2052; # Camellia_SBOX[3]
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sub Camellia_Feistel {
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my $i=@_[0];
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my $seed=defined(@_[1])?@_[1]:0;
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my $scale=$seed<0?-8:8;
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my $j=($i&1)*2;
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my $s0=@S[($j)%4],$s1=@S[($j+1)%4],$s2=@S[($j+2)%4],$s3=@S[($j+3)%4];
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$code.=<<___;
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xor $s0,$t0 # t0^=key[0]
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xor $s1,$t1 # t1^=key[1]
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movz `&hi("$t0")`,$i0 # (t0>>8)&0xff
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movz `&lo("$t1")`,$i1 # (t1>>0)&0xff
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mov $SBOX3_3033($Tbl,$i0,8),$t3 # t3=SBOX3_3033[0]
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mov $SBOX1_1110($Tbl,$i1,8),$t2 # t2=SBOX1_1110[1]
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movz `&lo("$t0")`,$i0 # (t0>>0)&0xff
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shr \$16,$t0
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movz `&hi("$t1")`,$i1 # (t1>>8)&0xff
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xor $SBOX4_4404($Tbl,$i0,8),$t3 # t3^=SBOX4_4404[0]
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shr \$16,$t1
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xor $SBOX4_4404($Tbl,$i1,8),$t2 # t2^=SBOX4_4404[1]
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movz `&hi("$t0")`,$i0 # (t0>>24)&0xff
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movz `&lo("$t1")`,$i1 # (t1>>16)&0xff
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xor $SBOX1_1110($Tbl,$i0,8),$t3 # t3^=SBOX1_1110[0]
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xor $SBOX3_3033($Tbl,$i1,8),$t2 # t2^=SBOX3_3033[1]
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movz `&lo("$t0")`,$i0 # (t0>>16)&0xff
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movz `&hi("$t1")`,$i1 # (t1>>24)&0xff
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xor $SBOX2_0222($Tbl,$i0,8),$t3 # t3^=SBOX2_0222[0]
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xor $SBOX2_0222($Tbl,$i1,8),$t2 # t2^=SBOX2_0222[1]
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mov `$seed+($i+1)*$scale`($key),$t1 # prefetch key[i+1]
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mov `$seed+($i+1)*$scale+4`($key),$t0
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xor $t3,$t2 # t2^=t3
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ror \$8,$t3 # t3=RightRotate(t3,8)
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xor $t2,$s2
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xor $t2,$s3
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xor $t3,$s3
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___
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}
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# void Camellia_EncryptBlock_Rounds(
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# int grandRounds,
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# const Byte plaintext[],
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# const KEY_TABLE_TYPE keyTable,
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# Byte ciphertext[])
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$code=<<___;
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.text
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# V1.x API
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.globl Camellia_EncryptBlock
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.type Camellia_EncryptBlock,\@abi-omnipotent
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.align 16
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Camellia_EncryptBlock:
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movl \$128,%eax
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subl $arg0d,%eax
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movl \$3,$arg0d
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adcl \$0,$arg0d # keyBitLength==128?3:4
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jmp .Lenc_rounds
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.size Camellia_EncryptBlock,.-Camellia_EncryptBlock
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# V2
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.globl Camellia_EncryptBlock_Rounds
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.type Camellia_EncryptBlock_Rounds,\@function,4
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.align 16
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.Lenc_rounds:
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Camellia_EncryptBlock_Rounds:
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push %rbx
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push %rbp
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push %r13
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push %r14
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push %r15
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.Lenc_prologue:
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#mov %rsi,$inp # put away arguments
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mov %rcx,$out
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mov %rdx,$key
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shl \$6,%edi # process grandRounds
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lea .LCamellia_SBOX(%rip),$Tbl
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lea ($key,%rdi),$keyend
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mov 0(%rsi),@S[0] # load plaintext
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mov 4(%rsi),@S[1]
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mov 8(%rsi),@S[2]
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bswap @S[0]
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mov 12(%rsi),@S[3]
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bswap @S[1]
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bswap @S[2]
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bswap @S[3]
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call _x86_64_Camellia_encrypt
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bswap @S[0]
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bswap @S[1]
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bswap @S[2]
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mov @S[0],0($out)
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bswap @S[3]
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mov @S[1],4($out)
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mov @S[2],8($out)
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mov @S[3],12($out)
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mov 0(%rsp),%r15
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mov 8(%rsp),%r14
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mov 16(%rsp),%r13
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mov 24(%rsp),%rbp
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mov 32(%rsp),%rbx
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lea 40(%rsp),%rsp
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.Lenc_epilogue:
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ret
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.size Camellia_EncryptBlock_Rounds,.-Camellia_EncryptBlock_Rounds
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.type _x86_64_Camellia_encrypt,\@abi-omnipotent
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.align 16
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_x86_64_Camellia_encrypt:
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xor 0($key),@S[1]
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xor 4($key),@S[0] # ^=key[0-3]
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xor 8($key),@S[3]
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xor 12($key),@S[2]
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.align 16
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.Leloop:
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mov 16($key),$t1 # prefetch key[4-5]
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mov 20($key),$t0
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___
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for ($i=0;$i<6;$i++) { Camellia_Feistel($i,16); }
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$code.=<<___;
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lea 16*4($key),$key
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cmp $keyend,$key
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mov 8($key),$t3 # prefetch key[2-3]
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mov 12($key),$t2
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je .Ledone
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and @S[0],$t0
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or @S[3],$t3
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rol \$1,$t0
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xor $t3,@S[2] # s2^=s3|key[3];
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xor $t0,@S[1] # s1^=LeftRotate(s0&key[0],1);
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and @S[2],$t2
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or @S[1],$t1
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rol \$1,$t2
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xor $t1,@S[0] # s0^=s1|key[1];
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xor $t2,@S[3] # s3^=LeftRotate(s2&key[2],1);
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jmp .Leloop
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.align 16
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.Ledone:
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xor @S[2],$t0 # SwapHalf
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xor @S[3],$t1
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xor @S[0],$t2
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xor @S[1],$t3
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mov $t0,@S[0]
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mov $t1,@S[1]
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mov $t2,@S[2]
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mov $t3,@S[3]
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.byte 0xf3,0xc3 # rep ret
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.size _x86_64_Camellia_encrypt,.-_x86_64_Camellia_encrypt
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# V1.x API
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.globl Camellia_DecryptBlock
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.type Camellia_DecryptBlock,\@abi-omnipotent
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.align 16
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Camellia_DecryptBlock:
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movl \$128,%eax
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subl $arg0d,%eax
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movl \$3,$arg0d
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adcl \$0,$arg0d # keyBitLength==128?3:4
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jmp .Ldec_rounds
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.size Camellia_DecryptBlock,.-Camellia_DecryptBlock
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# V2
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.globl Camellia_DecryptBlock_Rounds
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.type Camellia_DecryptBlock_Rounds,\@function,4
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.align 16
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.Ldec_rounds:
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Camellia_DecryptBlock_Rounds:
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push %rbx
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push %rbp
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push %r13
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push %r14
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push %r15
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.Ldec_prologue:
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#mov %rsi,$inp # put away arguments
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mov %rcx,$out
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mov %rdx,$keyend
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shl \$6,%edi # process grandRounds
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lea .LCamellia_SBOX(%rip),$Tbl
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lea ($keyend,%rdi),$key
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mov 0(%rsi),@S[0] # load plaintext
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mov 4(%rsi),@S[1]
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mov 8(%rsi),@S[2]
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bswap @S[0]
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mov 12(%rsi),@S[3]
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bswap @S[1]
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bswap @S[2]
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bswap @S[3]
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call _x86_64_Camellia_decrypt
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bswap @S[0]
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bswap @S[1]
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bswap @S[2]
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mov @S[0],0($out)
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bswap @S[3]
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mov @S[1],4($out)
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mov @S[2],8($out)
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mov @S[3],12($out)
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mov 0(%rsp),%r15
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mov 8(%rsp),%r14
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mov 16(%rsp),%r13
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mov 24(%rsp),%rbp
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mov 32(%rsp),%rbx
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lea 40(%rsp),%rsp
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.Ldec_epilogue:
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ret
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.size Camellia_DecryptBlock_Rounds,.-Camellia_DecryptBlock_Rounds
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.type _x86_64_Camellia_decrypt,\@abi-omnipotent
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.align 16
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_x86_64_Camellia_decrypt:
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xor 0($key),@S[1]
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xor 4($key),@S[0] # ^=key[0-3]
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xor 8($key),@S[3]
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xor 12($key),@S[2]
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.align 16
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.Ldloop:
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mov -8($key),$t1 # prefetch key[4-5]
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mov -4($key),$t0
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___
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for ($i=0;$i<6;$i++) { Camellia_Feistel($i,-8); }
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$code.=<<___;
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lea -16*4($key),$key
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cmp $keyend,$key
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mov 0($key),$t3 # prefetch key[2-3]
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mov 4($key),$t2
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je .Lddone
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and @S[0],$t0
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or @S[3],$t3
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rol \$1,$t0
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xor $t3,@S[2] # s2^=s3|key[3];
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xor $t0,@S[1] # s1^=LeftRotate(s0&key[0],1);
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and @S[2],$t2
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or @S[1],$t1
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rol \$1,$t2
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xor $t1,@S[0] # s0^=s1|key[1];
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xor $t2,@S[3] # s3^=LeftRotate(s2&key[2],1);
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jmp .Ldloop
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.align 16
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.Lddone:
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xor @S[2],$t2
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xor @S[3],$t3
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xor @S[0],$t0
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xor @S[1],$t1
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mov $t2,@S[0] # SwapHalf
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mov $t3,@S[1]
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mov $t0,@S[2]
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mov $t1,@S[3]
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.byte 0xf3,0xc3 # rep ret
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.size _x86_64_Camellia_decrypt,.-_x86_64_Camellia_decrypt
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___
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sub _saveround {
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my ($rnd,$key,@T)=@_;
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my $bias=int(@T[0])?shift(@T):0;
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if ($#T==3) {
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$code.=<<___;
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mov @T[1],`$bias+$rnd*8+0`($key)
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mov @T[0],`$bias+$rnd*8+4`($key)
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mov @T[3],`$bias+$rnd*8+8`($key)
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mov @T[2],`$bias+$rnd*8+12`($key)
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___
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} else {
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$code.=" mov @T[0],`$bias+$rnd*8+0`($key)\n";
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$code.=" mov @T[1],`$bias+$rnd*8+8`($key)\n" if ($#T>=1);
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}
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}
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sub _loadround {
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my ($rnd,$key,@T)=@_;
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my $bias=int(@T[0])?shift(@T):0;
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$code.=" mov `$bias+$rnd*8+0`($key),@T[0]\n";
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$code.=" mov `$bias+$rnd*8+8`($key),@T[1]\n" if ($#T>=1);
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}
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# shld is very slow on Intel EM64T family. Even on AMD it limits
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# instruction decode rate [because it's VectorPath] and consequently
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# performance...
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sub __rotl128 {
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my ($i0,$i1,$rot)=@_;
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if ($rot) {
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$code.=<<___;
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mov $i0,%r11
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shld \$$rot,$i1,$i0
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shld \$$rot,%r11,$i1
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___
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}
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}
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# ... Implementing 128-bit rotate without shld gives 80% better
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# performance EM64T, +15% on AMD64 and only ~7% degradation on
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# Core2. This is therefore preferred.
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sub _rotl128 {
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my ($i0,$i1,$rot)=@_;
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if ($rot) {
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$code.=<<___;
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mov $i0,%r11
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shl \$$rot,$i0
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mov $i1,%r9
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shr \$`64-$rot`,%r9
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shr \$`64-$rot`,%r11
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or %r9,$i0
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shl \$$rot,$i1
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or %r11,$i1
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___
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}
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}
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{ my $step=0;
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$code.=<<___;
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.globl Camellia_Ekeygen
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.type Camellia_Ekeygen,\@function,3
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.align 16
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Camellia_Ekeygen:
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push %rbx
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push %rbp
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push %r13
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push %r14
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push %r15
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.Lkey_prologue:
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mov %rdi,$keyend # put away arguments, keyBitLength
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mov %rdx,$out # keyTable
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mov 0(%rsi),@S[0] # load 0-127 bits
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mov 4(%rsi),@S[1]
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mov 8(%rsi),@S[2]
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mov 12(%rsi),@S[3]
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bswap @S[0]
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bswap @S[1]
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bswap @S[2]
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bswap @S[3]
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___
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&_saveround (0,$out,@S); # KL<<<0
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$code.=<<___;
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cmp \$128,$keyend # check keyBitLength
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je .L1st128
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mov 16(%rsi),@S[0] # load 128-191 bits
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mov 20(%rsi),@S[1]
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cmp \$192,$keyend
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je .L1st192
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mov 24(%rsi),@S[2] # load 192-255 bits
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mov 28(%rsi),@S[3]
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jmp .L1st256
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.L1st192:
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mov @S[0],@S[2]
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mov @S[1],@S[3]
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not @S[2]
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not @S[3]
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.L1st256:
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bswap @S[0]
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bswap @S[1]
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bswap @S[2]
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bswap @S[3]
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___
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&_saveround (4,$out,@S); # temp storage for KR!
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$code.=<<___;
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xor 0($out),@S[1] # KR^KL
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xor 4($out),@S[0]
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xor 8($out),@S[3]
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xor 12($out),@S[2]
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.L1st128:
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lea .LCamellia_SIGMA(%rip),$key
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lea .LCamellia_SBOX(%rip),$Tbl
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|
|
|
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
|
|
mov 8(%rsp),%r14
|
|
mov 16(%rsp),%r13
|
|
mov 24(%rsp),%rbp
|
|
mov 32(%rsp),%rbx
|
|
lea 40(%rsp),%rsp
|
|
.Lkey_epilogue:
|
|
ret
|
|
.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)";
|
|
|
|
$code.=<<___;
|
|
.globl Camellia_cbc_encrypt
|
|
.type Camellia_cbc_encrypt,\@function,6
|
|
.align 16
|
|
Camellia_cbc_encrypt:
|
|
cmp \$0,%rdx
|
|
je .Lcbc_abort
|
|
push %rbx
|
|
push %rbp
|
|
push %r12
|
|
push %r13
|
|
push %r14
|
|
push %r15
|
|
.Lcbc_prologue:
|
|
|
|
mov %rsp,%rbp
|
|
sub \$64,%rsp
|
|
and \$-64,%rsp
|
|
|
|
# place stack frame just "above mod 1024" the key schedule,
|
|
# this ensures that cache associativity suffices
|
|
lea -64-63(%rcx),%r10
|
|
sub %rsp,%r10
|
|
neg %r10
|
|
and \$0x3C0,%r10
|
|
sub %r10,%rsp
|
|
#add \$8,%rsp # 8 is reserved for callee's ra
|
|
|
|
mov %rdi,$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,$_rsp
|
|
|
|
.Lcbc_body:
|
|
lea .LCamellia_SBOX(%rip),$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 $_rsp,%rcx
|
|
mov 0(%rcx),%r15
|
|
mov 8(%rcx),%r14
|
|
mov 16(%rcx),%r13
|
|
mov 24(%rcx),%r12
|
|
mov 32(%rcx),%rbp
|
|
mov 40(%rcx),%rbx
|
|
lea 48(%rcx),%rsp
|
|
.Lcbc_abort:
|
|
ret
|
|
.size Camellia_cbc_encrypt,.-Camellia_cbc_encrypt
|
|
|
|
.asciz "Camellia for x86_64 by <appro\@openssl.org>"
|
|
___
|
|
}
|
|
|
|
# EXCEPTION_DISPOSITION handler (EXCEPTION_RECORD *rec,ULONG64 frame,
|
|
# CONTEXT *context,DISPATCHER_CONTEXT *disp)
|
|
if ($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;
|