File Coverage

blib/lib/Crypt/AppleTwoFish.pm

Criterion	Covered	Total	%
statement	71	271	26.2
branch	0	30	0.0
condition			n/a
subroutine	20	41	48.7
pod	12	12	100.0
total	103	354	29.1

package Crypt::AppleTwoFish;

use strict;
use warnings;
use Digest::SHA;
use Math::BigInt;
use Carp qw( carp );

our $VERSION = "0.051";

#--- lookup tables declared here are defined after the other package code ---#

my ( @apple_tf_iTMS, @apple_tf_DRMS );

my ( %veggies, @planter_table, %veggie_table );

#-------------- non-member functions ----------------#

sub _combine_keys {

    # note: the arguments are binary bytes and
    #   two ints: 6, 4, and 4 bytes each
    my ( $hwID, $keyID, $userID ) = @_;
    return $hwID . pack( 'N', $keyID ) . pack( 'N', $userID ) . "\xFF\xFF";
}

sub _compost_cow {
    my $i = shift;
    use integer;
    return $i * 0xA2ED4502 + 0x6CD8D601;
}

sub _compost_horse {
    my ( $i, $j, $k ) = @_;
    use integer;
    return ( $i + $j ) * 0xA2ED4502 + $k * 0xFFFFFFFE + 0xD9B1AC01;
}

sub _compost_sheep {
    my ( $b, $c, $d, $e, $f ) = @_;
    use integer;
    return ( $b + $c + $d ) * 0xA2ED4502 + ( $e + $f ) * 0xFFFFFFFE +
      0x468A8201;
}

sub _till {
    my ( $bytes, $veggie ) = @_;
    use integer;
    for my $byte ( @{$bytes} ) {
        $byte = ( $veggie_table{$veggie}->[$byte] ^ 0x5D ) & 0xFF;
    }
    return $bytes;
}

sub _weed {
    my ( $bytes, $veggie ) = @_;
    use integer;
    my ( $i, $j ) = @{ $veggies{$veggie} };
    for my $byte ( @{$bytes} ) {
        $byte = ( $byte * $i + $j ) & 0xFF;
    }
    return $bytes;
}

sub _dust {
    my (@hex_bytes) = @_;
    use integer;
    my $num_bytes = scalar @hex_bytes;
    my $num_ints  = $num_bytes / 4;
    my @b;
    my $count;
    while ( 0 < ( $count = scalar @hex_bytes ) ) {
        my @digits;
        if ( $count > 4 ) {
            @digits    = @hex_bytes[ 0 .. 3 ];
            @hex_bytes = @hex_bytes[ 4 .. $count - 1 ];
        }
        else {
            @digits    = @hex_bytes;
            @hex_bytes = ();
        }
        my $n = _fumigate(@digits);
        push @b, sprintf "%02X", ($n) & 0xFF;
        push @b, sprintf "%02X", ( $n >> 8 ) & 0xFF;
        push @b, sprintf "%02X", ( $n >> 16 ) & 0xFF;
        push @b, sprintf "%02X", ( $n >> 24 ) & 0xFF;
    }
    return @b;
}

sub _fumigate {
    my (@bytes) = @_;
    use integer;
    my $i   = 0;
    my $sum = 0;
    for my $byte (@bytes) {
        my $lshifter = $i * 8;
        my $shifted  = 1 << $lshifter;
        my $n        = _crop_duster($byte) << $lshifter;
        my $m        = ( $n + $shifted + 0xFFFFFFFF ) | ( -1 - $sum );
        $sum += $m - $shifted - $n + 1;
        ++$i;
    }
    return $sum;
}

sub _crop_duster {
    my $i = shift;
    use integer;
    my $a = $i * 0xFFFFFA29 + 0x307E;
    my $b = ( $i * 0xFFF38978 + 0x2327B048 ) ^ ( $a | 0xFF );
    my $c = ( $a | ( $i * 0xC7688 + 0xDCD84FB7 ) ) | 0xFF;
    return $i * 0xC70B1 + $b * 0xFFFFFFFF + $c * 0xFFFFFFFE + 0xDCD88033;
}

#-------------- class member methods ---------------------#

sub new {
    my ( $class, %args ) = @_;
    my $self = {};
    bless( $self, $class );

    $self->{DEBUG} = $args{DEBUG};

    # iTMS crypt-apple-twofish scrambler
    $self->{key} = $args{key};

    # iTunes veggie tales scrambler
    $self->{veggie}     = $args{veggie};
    $self->{byte_table} = $args{byte_table};
    $self->{int_table}  = $args{int_table};
    $self->{hwID}       = $args{hwID};
    $self->{keyID}      = $args{keyID};
    $self->{userID}     = $args{userID};

    return $self;
}

#------------ iTMS methods ---------------------------------#

sub _process_iTMS_key {
    my ($self) = @_;
    my $k      = '';
    my $key    = $self->{key};
    my $siz    = length $key;
    for ( my $i = 0 ; $i < $siz ; $i++ ) {
        $k .= chr $apple_tf_iTMS[ $i % 16 ]->[ ord substr( $key, $i % 16, 1 ) ];
    }
    return $k;
}

sub decrypted_for_iTMS { return shift->_process_iTMS_key() }

sub _process_DRMS_key {
    my ($self) = @_;
    my $k      = '';
    my $key    = $self->{key};
    my $siz    = length $key;
    for ( my $i = 0 ; $i < $siz ; $i++ ) {
        $k .= chr $apple_tf_DRMS[ $i % 16 ]->[ ord substr( $key, $i % 16, 1 ) ];
    }
    return $k;
}

sub decrypted_for_DRMS { return shift->_process_DRMS_key() }

#-------------- SC Info methods -------------------------------------#

sub key {
    my ( $self, $new_key ) = @_;
    $self->{key} = $new_key if defined $new_key;
    return $self->{key};
}

sub int_table {
    my ( $self, $new_table ) = @_;
    $self->{int_table} = $new_table if defined $new_table;
    return $self->{int_table};
}

sub byte_table {
    my ( $self, $new_table ) = @_;
    $self->{byte_table} = $new_table if defined $new_table;
    return $self->{byte_table};
}

sub veggie {
    my ( $self, $new_veg ) = @_;
    $self->{veggie} = $new_veg if defined $new_veg;
    return $self->{veggie};
}

sub hwID {
    my ( $self, $newhwID ) = @_;
    $self->{hwID} = $newhwID if defined $newhwID;
    return $self->{hwID};
}

sub keyID {
    my ( $self, $newkeyID ) = @_;
    $self->{keyID} = $newkeyID if defined $newkeyID;
    return $self->{keyID};
}

sub userID {
    my ( $self, $newuser ) = @_;
    $self->{userID} = $newuser if defined $newuser;
    return $self->{userID};
}

sub _hoe_hoe_hoe {
    my ( $self, $byte, $i, $j, $k, $n ) = @_;
    use integer;
    my $offset = 0x24004;
    my $table_idx =
      ord( $self->{byte_table}->[ $i * 0x100 + $byte + $offset ] ) + $j * 0x100;
    return ( $planter_table[$table_idx] * $k + $n ) & 0xFF;
}

sub plant_veggies {
    my ($self) = @_;
    my $table = $self->{int_table};
    my $combine =
      _combine_keys( $self->{hwID}, $self->{keyID}, $self->{userID} );
    $self->{combine_key} = $combine;
    my @bytes = map { ord } split //, $combine;
    use integer;
    for my $i ( 0 .. 8 ) {
        my @planter;
        for my $j ( 0 .. 15 ) {
            my $idx = $i * 0x1000 + $j * 0x100 + $bytes[ ( $j * 5 ) & 0xF ];
            $planter[$j] = $table->[$idx] * 0x50A19981 + 0x5E39C9C0;
        }
        for my $j ( 0 .. 3 ) {
            my $a = $planter[ $j * 4 ];
            my $b = $planter[ $j * 4 + 1 ];
            my $c = $planter[ $j * 4 + 2 ];
            my $d = $planter[ $j * 4 + 3 ];
            my $e = _compost_cow($c) | _compost_cow($b);
            my $f = _compost_horse( $b, $c, $e ) | _compost_cow($d);
            my $g = _compost_sheep( $b, $c, $d, $e, $f ) | _compost_cow($a);
            my $h =
              ( $a + $b + $c + $d + ( $e + $f + $g ) * 0xD3F0627F + 0x8DC2C100 )
              * 0x2E895D7F + 0xC99394FF;

            for my $k ( 0 .. 3 ) {
                $bytes[ $j * 4 + $k ] = ( $h >> ( 24 - $k * 8 ) ) & 0xFF;
            }
        }
    }
    print "\nprecultivation bytes are ", ( join q{}, map { chr } @bytes ), "\n"
      if $self->{DEBUG};
    $bytes[0]  = $self->_hoe_hoe_hoe( $bytes[0],  0,  2, 0x99, 0xDF );
    $bytes[4]  = $self->_hoe_hoe_hoe( $bytes[4],  4,  3, 0xB5, 0xFF );
    $bytes[8]  = $self->_hoe_hoe_hoe( $bytes[8],  8,  4, 0x59, 0xD3 );
    $bytes[12] = $self->_hoe_hoe_hoe( $bytes[12], 12, 5, 0x2F, 0x1E );
    my $tmp = $bytes[1];
    $bytes[1]  = $self->_hoe_hoe_hoe( $bytes[5],  1,  6,  0x95, 0xFC );
    $bytes[5]  = $self->_hoe_hoe_hoe( $bytes[9],  5,  7,  0x05, 0x36 );
    $bytes[9]  = $self->_hoe_hoe_hoe( $bytes[13], 9,  0,  0x05, 0x6D );
    $bytes[13] = $self->_hoe_hoe_hoe( $tmp,       13, 9,  0x05, 0xE1 );
    $tmp       = $bytes[2];
    $bytes[2]  = $self->_hoe_hoe_hoe( $bytes[10], 2,  10, 0x4D, 0xB0 );
    $bytes[10] = $self->_hoe_hoe_hoe( $tmp,       10, 11, 0x0B, 0x2E );
    $tmp       = $bytes[6];
    $bytes[6]  = $self->_hoe_hoe_hoe( $bytes[14], 6,  12, 0x93, 0x4E );
    $bytes[14] = $self->_hoe_hoe_hoe( $tmp,       14, 13, 0x9b, 0x75 );

    $tmp = $bytes[3];
    $bytes[3]  = $self->_hoe_hoe_hoe( $bytes[15], 3,  14, 0x93, 0xC8 );
    $bytes[15] = $self->_hoe_hoe_hoe( $bytes[11], 15, 15, 0x33, 0x8B );
    $bytes[11] = $self->_hoe_hoe_hoe( $bytes[7],  11, 1,  0x5B, 0x25 );
    $bytes[7]  = $self->_hoe_hoe_hoe( $tmp,       7,  8,  0xED, 0xC5 );
    print "cultivated bytes are ", ( join q{}, map { chr } @bytes ), "\n"
      if $self->{DEBUG};
    return @bytes;
}

sub harvest_veggies {
    my ( $self, @bytes ) = @_;
    my $veggie = $self->{veggie};

    use integer;
    if ( $veggie =~ m/carrot|garlic|potato|radish|tomato/ ) {
        _till( \@bytes, $veggie );
    }

    _weed( \@bytes, $veggie );
    my $sha1 = Digest::SHA->new(1);
    $sha1->add( $self->{combine_key} );
    my @digest_bytes = map { ord } split //, $sha1->digest;
    _weed( \@digest_bytes, 'pepcid' );

    for my $i ( 0 .. 13 ) {
        my $a = $bytes[ $i + 2 ];
        my $b = $digest_bytes[ $i + 1 ];
        my $c = ( $a * 0xFFFF9129 + 0xA07E ) | 0xFF;
        my $d = ( $a * 0xFFAD8735 + 0x109ABD82 ) ^ $c;
        my $e = ( $a * 0xFFFF9129 + 0xA07E ) | ( $a * 0x5278CB + 0xEF65427D );
        my $f = $e | 0xFF;
        my $g = ( $b * 0xFFFFCB29 + 0x417E ) | 0xFF;
        my $h = ( $b * 0xFFFFCB29 + 0x417E ) | ( $b * 0x698AC6 + 0xD597C97D );
        my $j = $h | 0xFF;
        my $k = ( $b * 0xFF96753A + 0x2A683682 ) ^ $g;
        my $m =
          ( $b * 0xD2ABDE + $j * 0xFFFFFFFC + $k * 0xFFFFFFFE + 0xAB3015F3 ) |
          ( $a * 0xA413E8 + $d * 0xFFFFFFFE + $f * 0xFFFFFFFC + 0xDECBC5F3 );
        $digest_bytes[ $i + 1 ] = (
            (
                $a * 0x3FC1ACD4 +
                  $b * 0x5B76357 +
                  ( $d + $k + $m ) * 0x71070EE7 +
                  ( $f + $j ) * 0xE20E1DCE + 0xB7ABCB54
            )
        ) & 0xFF;
    }
    my $a     = ord substr $self->{hwID}, 4, 1;
    my $b     = $a * 0xFFFF9CFF + 0xB8FF;
    my $c     = $b | 0xFF;
    my $d     = $b | ( $a * 0x32FA52 + 0x21E2D7AB );
    my $e     = ( $a * 0xFFCD05AE + 0xDE1D2854 ) ^ $c;
    my $f     = $d | 0xFF;
    my $nsize = ( $a * 0xFFCD68AF + $e + $f * 2 + 0xDE1C6F57 ) & 0x80000003 + 8;
    use bigint;
    my $ndigest_bytes = '0x' . join q{},
      _dust( @digest_bytes[ 0 .. $nsize - 1 ] );
    $ndigest_bytes = substr $ndigest_bytes, 0, ( $nsize * 2 ) + 2;
    my $nd = Math::BigInt->new($ndigest_bytes);
    my $nbytes_str = '0x' . join q{},
      map { length $_ > 1 ? $_ : '0' . $_ } _dust(@bytes);
    my $nbytes = Math::BigInt->new($nbytes_str);
    # print "nbytes_str is $nbytes_str, nybytes is $nbytes\n" if $self->{DEBUG};
    my $nB2            = 0xFFFFFFFFFFFFFFF9C31A00000000000933CCD065;
    my $n00            = 0x100000000000000063CE600000000001DB577CE3F;
    my $n1             = 1;
    my $bits_in_digest = length( ( Math::BigInt->new($nd) )->as_bin ) - 2;

    for ( my $i = $bits_in_digest - 1 ; $i >= 0 ; --$i ) {
        $n1     *= $n1;
        $nbytes *= $nbytes;
        if ( $nd & ( 1 << $i ) ) {
            $n1 = $nbytes - $n1;
            my $m = ( ( ( $n1 >> 159 ) * $n00 ) >> 161 ) * $nB2;
            $n1 = ( $n1 - $m ) % $nB2;
            $m = ( ( ( $nbytes >> 159 ) * $n00 )>> 161 ) * $nB2;
            $nbytes = ( $nbytes - $m ) % $nB2;
        }
        else {
            $nbytes -= $n1;
            my $m = ( ( ( $nbytes >> 159 ) * $n00 ) >> 161 )* $nB2;
            $nbytes = ( $nbytes - $m )% $nB2;
            $m = ( ( ( $n1 >> 159 ) * $n00 ) >> 161 ) * $nB2;
            $n1 -= $m;
            $nbytes %= $nB2;
        }
    }    # now $n1 is right
    my @digits =
      ( substr( ( Math::BigInt->new($n1) )->as_hex, 2 ) ) =~ m/[\d\w]{2}/g;
    my $digit_count = scalar @digits;
    my $digest_fodder = join q{}, map { chr( hex $_ ) } @digits;
    if ( $digit_count < 32 ) {
        my $zeroes = "\x00" x ( 32 - $digit_count );
        $digest_fodder = $zeroes . $digest_fodder;
    }
    $sha1->reset;
    $sha1->add($digest_fodder);
    my $key_key = substr $sha1->digest, 1, 16;
    print "The key key (for the priv keys) is $key_key\n" if $self->{DEBUG};
    return $key_key;
}

#------------- scramble tables --------------------------------------#

@apple_tf_iTMS = (
    [
        4,   145, 105, 51,  65,  245, 121, 233, 87,  85,  24,  110, 118, 149,
        117, 2,   83,  91,  246, 57,  53,  251, 126, 69,  129, 144, 199, 164,
        198, 181, 132, 35,  206, 214, 21,  152, 146, 103, 93,  227, 23,  68,
        44,  248, 169, 217, 50,  92,  131, 224, 14,  204, 140, 114, 124, 143,
        120, 171, 56,  158, 232, 183, 48,  176, 37,  192, 41,  28,  36,  155,
        231, 201, 221, 52,  189, 125, 122, 191, 242, 178, 249, 111, 109, 170,
        6,   180, 237, 174, 254, 202, 17,  223, 230, 195, 141, 47,  67,  182,
        99,  104, 15,  238, 45,  7,   27,  20,  166, 207, 159, 196, 244, 162,
        133, 54,  138, 116, 8,   168, 156, 16,  0,   38,  148, 66,  19,  86,
        115, 73,  239, 188, 136, 61,  108, 33,  247, 142, 193, 39,  90,  82,
        34,  200, 197, 26,  88,  10,  25,  71,  1,   119, 130, 100, 98,  18,
        154, 72,  106, 78,  70,  213, 173, 12,  229, 235, 228, 186, 77,  209,
        84,  147, 160, 127, 76,  64,  139, 112, 60,  222, 177, 253, 49,  30,
        81,  161, 13,  123, 243, 62,  212, 31,  97,  80,  250, 9,   225, 153,
        40,  46,  172, 218, 220, 184, 63,  29,  102, 194, 22,  79,  59,  179,
        96,  55,  11,  157, 175, 95,  113, 107, 185, 210, 208, 167, 236, 89,
        32,  128, 137, 43,  241, 75,  150, 42,  135, 234, 215, 5,   187, 163,
        151, 3,   94,  165, 203, 134, 211, 101, 216, 190, 58,  205, 219, 252,
        74,  226, 255, 240,
    ],
    [
        201, 226, 95,  10,  98,  222, 106, 146, 254, 86,  109, 137, 35,  39,
        56,  243, 245, 241, 57,  181, 158, 250, 104, 89,  23,  154, 40,  42,
        132, 179, 195, 48,  76,  22,  167, 34,  25,  68,  62,  58,  235, 209,
        125, 221, 206, 174, 147, 242, 251, 194, 208, 220, 200, 63,  193, 11,
        156, 9,   0,   4,   46,  164, 41,  144, 212, 38,  101, 90,  85,  117,
        28,  186, 159, 18,  183, 173, 97,  213, 207, 94,  187, 72,  114, 157,
        7,   6,   126, 53,  203, 121, 188, 171, 78,  54,  202, 100, 130, 172,
        232, 227, 224, 233, 122, 19,  108, 236, 150, 69,  75,  43,  103, 142,
        123, 70,  238, 45,  169, 211, 44,  120, 71,  140, 124, 148, 197, 133,
        113, 163, 88,  216, 79,  175, 199, 234, 80,  99,  231, 110, 81,  92,
        182, 37,  170, 155, 27,  84,  180, 33,  31,  111, 13,  2,   136, 127,
        105, 196, 59,  102, 184, 249, 73,  165, 237, 185, 15,  160, 239, 112,
        178, 162, 20,  47,  219, 192, 8,   66,  217, 161, 1,   55,  91,  177,
        246, 26,  198, 191, 17,  83,  141, 93,  32,  21,  30,  61,  52,  253,
        36,  96,  119, 116, 139, 252, 74,  51,  151, 145, 77,  255, 225, 176,
        248, 12,  3,   152, 134, 240, 230, 60,  118, 5,   210, 190, 129, 244,
        205, 14,  149, 166, 247, 204, 67,  189, 50,  153, 131, 135, 143, 214,
        128, 223, 229, 228, 64,  218, 138, 87,  29,  49,  168, 82,  215, 65,
        115, 107, 16,  24,
    ],
    [
        208, 110, 109, 139, 9,   100, 10,  132, 96,  133, 5,   220, 250, 92,
        36,  61,  244, 117, 171, 68,  52,  8,   144, 162, 146, 67,  107, 200,
        240, 147, 213, 54,  253, 72,  85,  234, 11,  29,  38,  178, 184, 91,
        44,  215, 202, 101, 247, 46,  190, 1,   88,  229, 173, 114, 16,  99,
        104, 26,  186, 148, 89,  183, 137, 53,  185, 206, 175, 164, 218, 20,
        225, 87,  231, 57,  121, 168, 3,   120, 254, 83,  28,  80,  201, 60,
        158, 76,  39,  0,   243, 166, 204, 49,  189, 82,  255, 95,  62,  97,
        69,  224, 63,  156, 154, 199, 246, 212, 237, 56,  32,  149, 176, 163,
        228, 252, 211, 24,  214, 188, 14,  222, 84,  138, 221, 203, 55,  122,
        35,  58,  127, 22,  71,  34,  170, 210, 98,  7,   31,  226, 43,  151,
        191, 59,  152, 23,  90,  66,  42,  223, 12,  187, 33,  130, 118, 113,
        41,  245, 6,   48,  238, 81,  242, 141, 78,  161, 21,  179, 103, 249,
        65,  216, 4,   155, 77,  159, 25,  18,  251, 174, 239, 111, 169, 73,
        230, 209, 241, 129, 160, 196, 2,   192, 150, 47,  45,  125, 75,  30,
        182, 51,  124, 13,  37,  227, 123, 15,  108, 126, 233, 248, 207, 119,
        131, 70,  136, 74,  180, 153, 172, 181, 193, 219, 217, 195, 236, 17,
        143, 79,  102, 19,  128, 235, 198, 27,  115, 194, 112, 177, 157, 165,
        94,  140, 86,  93,  142, 64,  145, 105, 205, 135, 106, 232, 116, 167,
        50,  197, 134, 40,
    ],
    [
        117, 161, 170, 193, 109, 111, 58,  80,  55,  160, 8,   56,  106, 239,
        53,  247, 128, 65,  232, 173, 74,  105, 244, 188, 233, 190, 49,  159,
        210, 110, 212, 137, 92,  60,  67,  18,  107, 100, 115, 211, 185, 27,
        31,  230, 7,   32,  102, 77,  44,  199, 217, 13,  150, 252, 23,  62,
        200, 255, 0,   29,  54,  36,  103, 12,  162, 133, 191, 57,  240, 242,
        2,   94,  194, 28,  147, 157, 192, 213, 6,   43,  204, 154, 51,  153,
        222, 121, 11,  254, 151, 180, 71,  172, 225, 123, 127, 97,  25,  171,
        249, 79,  227, 40,  136, 177, 4,   229, 35,  243, 195, 39,  120, 168,
        138, 9,   148, 184, 5,   113, 218, 101, 45,  186, 140, 85,  143, 253,
        181, 63,  228, 134, 75,  112, 219, 95,  108, 96,  33,  201, 37,  3,
        165, 226, 182, 175, 14,  223, 235, 87,  93,  251, 198, 231, 183, 205,
        220, 206, 16,  84,  119, 26,  238, 15,  73,  126, 82,  78,  86,  88,
        207, 141, 118, 89,  10,  236, 68,  216, 187, 114, 130, 144, 131, 59,
        64,  164, 241, 189, 214, 42,  41,  224, 197, 245, 208, 237, 48,  24,
        76,  129, 19,  1,   135, 30,  125, 38,  90,  99,  209, 166, 149, 47,
        83,  174, 203, 234, 46,  132, 142, 98,  202, 50,  81,  91,  248, 34,
        246, 250, 66,  196, 124, 69,  156, 22,  158, 145, 167, 176, 152, 17,
        221, 179, 52,  70,  104, 163, 61,  116, 139, 20,  146, 21,  215, 178,
        72,  122, 169, 155,
    ],
    [
        12,  23,  233, 120, 139, 254, 24,  182, 41,  64,  69,  13,  98,  230,
        65,  190, 251, 172, 115, 144, 71,  155, 79,  111, 97,  208, 19,  143,
        192, 209, 219, 57,  250, 39,  119, 116, 34,  2,   134, 215, 84,  141,
        61,  122, 59,  27,  92,  194, 50,  17,  72,  51,  93,  245, 96,  177,
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        85,  106, 86,  40,  34,  73,  196, 128, 52,  130, 140, 233, 153, 65,
        78,  47,  163, 44,  229, 169, 132, 174, 162, 21,  23,  225, 237, 109,
        139, 188, 58,  214, 143, 4,   7,   16,  67,  32,  185, 147, 89,  61,
        91,  247, 175, 14,  244, 90,  230, 181, 228, 220, 18,  178, 19,  37,
        113, 134, 235, 171, 168, 253, 199, 15,  66,  77,  211, 226, 83,  95,
        239, 254, 69,  24,  115, 42,  64,  245, 135, 10,  92,  206, 116, 51,
        192, 252, 9,   82,  203, 100, 212, 28,  176, 127, 200, 60,  26,  46,
        33,  94,  72,  173, 119, 43,  101, 110, 213, 136, 222, 122, 155, 59,
        20,  146, 232, 0,   81,  50,  216, 148, 183, 154, 210, 152, 227, 35,
        187, 112, 118, 88,  3,   170, 1,   114, 158, 39,  191, 184, 124, 218,
        215, 182, 166, 133, 49,  194, 117, 159, 126, 202, 63,  11,  29,  75,
        8,   156, 68,  123, 30,  111, 5,   189, 84,  204, 157, 190, 13,  197,
        144, 57,  255, 151, 236, 165, 238, 217, 209, 161, 87,  246, 180, 179,
        198, 74,  195, 129,
    ],
    [
        216, 20,  160, 73,  253, 2,   47,  246, 49,  159, 12,  76,  100, 69,
        105, 213, 0,   113, 143, 85,  94,  64,  180, 174, 40,  184, 254, 166,
        83,  17,  252, 203, 68,  16,  212, 13,  1,   206, 151, 177, 35,  176,
        175, 54,  56,  89,  31,  157, 240, 61,  59,  104, 186, 15,  82,  164,
        133, 210, 72,  167, 170, 250, 226, 62,  232, 245, 9,   211, 130, 162,
        101, 168, 43,  75,  219, 197, 185, 200, 191, 107, 215, 14,  91,  205,
        63,  50,  96,  21,  58,  207, 106, 209, 111, 172, 204, 178, 224, 169,
        214, 201, 255, 229, 29,  146, 145, 22,  165, 150, 7,   27,  99,  87,
        41,  19,  26,  188, 92,  46,  81,  52,  51,  225, 187, 117, 93,  241,
        28,  228, 251, 235, 182, 227, 98,  67,  115, 221, 244, 102, 142, 114,
        116, 153, 4,   34,  33,  218, 6,   5,   154, 161, 42,  152, 132, 192,
        247, 23,  121, 70,  148, 48,  238, 103, 39,  144, 11,  230, 84,  136,
        198, 60,  128, 38,  122, 208, 45,  149, 119, 202, 127, 53,  24,  118,
        36,  66,  195, 135, 141, 222, 179, 171, 239, 88,  110, 220, 44,  234,
        80,  125, 112, 37,  139, 134, 126, 183, 190, 131, 86,  10,  173, 147,
        78,  193, 248, 231, 8,   25,  140, 129, 95,  223, 236, 77,  18,  32,
        237, 249, 156, 243, 79,  196, 109, 155, 124, 137, 57,  217, 3,   97,
        158, 199, 120, 55,  30,  242, 65,  163, 194, 108, 90,  138, 123, 71,
        233, 189, 181, 74,
    ],
    [
        46,  125, 92,  69,  40,  159, 217, 37,  43,  186, 19,  250, 247, 16,
        205, 50,  156, 103, 68,  187, 132, 184, 70,  11,  130, 163, 200, 74,
        105, 89,  44,  248, 77,  212, 143, 101, 98,  39,  241, 53,  116, 29,
        84,  166, 1,   14,  23,  237, 177, 196, 85,  142, 236, 6,   65,  88,
        73,  117, 128, 172, 102, 213, 90,  233, 180, 118, 107, 9,   173, 157,
        195, 144, 160, 15,  243, 71,  136, 227, 152, 87,  232, 223, 216, 79,
        140, 182, 104, 194, 149, 168, 100, 93,  191, 120, 228, 175, 51,  218,
        34,  58,  208, 78,  48,  28,  226, 75,  113, 17,  225, 192, 244, 246,
        134, 253, 82,  60,  176, 52,  170, 126, 167, 30,  178, 8,   5,   188,
        121, 4,   135, 235, 10,  183, 59,  252, 27,  31,  76,  179, 254, 45,
        222, 220, 138, 99,  122, 209, 41,  202, 238, 33,  197, 147, 131, 38,
        171, 239, 26,  215, 127, 63,  169, 21,  151, 111, 207, 106, 229, 129,
        133, 20,  83,  2,   193, 112, 13,  139, 124, 119, 49,  245, 12,  95,
        7,   224, 62,  240, 249, 55,  109, 36,  206, 198, 108, 148, 165, 203,
        61,  137, 96,  22,  164, 189, 158, 35,  153, 97,  154, 242, 86,  24,
        221, 91,  115, 3,   94,  72,  201, 161, 42,  123, 255, 64,  230, 204,
        150, 251, 146, 210, 162, 114, 190, 185, 66,  25,  67,  234, 145, 54,
        110, 56,  81,  32,  155, 219, 174, 0,   214, 47,  57,  181, 211, 18,
        231, 141, 199, 80,
    ],
    [
        55,  223, 107, 214, 197, 109, 99,  16,  239, 155, 33,  188, 217, 96,
        241, 69,  4,   52,  122, 208, 179, 92,  141, 64,  173, 160, 63,  50,
        86,  162, 201, 46,  0,   140, 98,  85,  71,  75,  175, 195, 41,  167,
        60,  131, 249, 245, 135, 228, 9,   56,  84,  58,  221, 205, 233, 77,
        13,  111, 49,  161, 152, 8,   32,  19,  82,  106, 231, 229, 235, 67,
        171, 124, 150, 80,  35,  73,  7,   242, 66,  211, 236, 114, 250, 27,
        51,  100, 14,  207, 1,   237, 138, 15,  157, 213, 72,  137, 209, 177,
        128, 47,  230, 108, 43,  119, 42,  127, 248, 144, 110, 24,  168, 74,
        54,  65,  184, 17,  206, 218, 104, 199, 253, 97,  11,  181, 126, 102,
        191, 225, 18,  254, 133, 81,  23,  232, 129, 26,  227, 186, 12,  244,
        243, 22,  2,   123, 185, 76,  154, 120, 178, 174, 116, 238, 89,  37,
        193, 117, 166, 203, 31,  222, 40,  25,  148, 79,  240, 113, 134, 83,
        251, 139, 164, 130, 44,  48,  101, 61,  182, 255, 147, 53,  183, 210,
        192, 190, 39,  59,  176, 158, 95,  115, 216, 94,  196, 34,  172, 118,
        136, 88,  5,   252, 28,  151, 156, 112, 146, 247, 165, 93,  21,  163,
        215, 234, 212, 202, 194, 20,  159, 87,  200, 170, 125, 70,  38,  180,
        224, 132, 45,  62,  143, 121, 105, 226, 149, 246, 91,  30,  145, 142,
        90,  103, 220, 3,   189, 219, 78,  57,  10,  204, 153, 187, 169, 29,
        198, 36,  68,  6,
    ],
);

#----------  lookup tables for veggie tales crypto -------------#

%veggies = (
    carrot => [ 113, 28 ],
    celery => [ 235, 135 ],
    fennel => [ 197, 217 ],
    garlic => [ 197, 240 ],
    peanut => [ 103, 109 ],
    potato => [ 55,  250 ],
    radish => [ 155, 70 ],
    squash => [ 249, 74 ],
    tomato => [ 23,  239 ],
    turnip => [ 239, 4 ],
    pepcid => [ 231, 153 ],    # not a real veggie, therein lies a tale
);

# 4096 byte table
@planter_table = (
    210, 245, 177, 209, 93,  29,  141, 138, 162, 14,  70,  204, 5,   253,
    2,   28,  251, 51,  81,  115, 50,  110, 250, 167, 255, 195, 241, 65,
    8,   139, 242, 236, 113, 72,  107, 0,   32,  85,  198, 132, 127, 38,
    230, 73,  172, 225, 82,  17,  171, 21,  202, 170, 48,  125, 120, 67,
    159, 121, 131, 156, 114, 47,  66,  239, 89,  160, 183, 122, 146, 190,
    104, 154, 134, 105, 192, 10,  39,  232, 49,  83,  228, 108, 116, 74,
    235, 151, 194, 22,  33,  133, 52,  27,  244, 174, 35,  91,  3,   103,
    135, 80,  130, 178, 30,  191, 203, 237, 64,  180, 211, 20,  161, 112,
    119, 79,  247, 212, 164, 199, 186, 143, 173, 168, 185, 24,  84,  166,
    252, 36,  106, 7,   31,  90,  53,  176, 61,  254, 23,  99,  100, 109,
    62,  140, 102, 87,  34,  95,  157, 163, 220, 42,  11,  19,  249, 25,
    136, 226, 165, 181, 196, 152, 137, 76,  207, 200, 96,  12,  215, 213,
    18,  231, 63,  78,  15,  188, 234, 55,  37,  46,  58,  184, 1,   92,
    60,  187, 9,   44,  71,  13,  153, 148, 246, 224, 169, 205, 69,  147,
    123, 214, 26,  155, 45,  43,  41,  68,  189, 118, 217, 216, 223, 238,
    6,   101, 175, 221, 218, 59,  233, 222, 57,  201, 193, 117, 144, 98,
    54,  248, 142, 243, 111, 182, 158, 229, 129, 179, 219, 75,  94,  97,
    124, 197, 206, 240, 16,  227, 208, 126, 149, 4,   128, 56,  150, 88,
    77,  40,  145, 86,  198, 3,   199, 167, 155, 219, 107, 14,  246, 10,
    210, 12,  243, 251, 150, 188, 189, 133, 39,  69,  102, 170, 158, 145,
    57,  245, 135, 55,  80,  45,  166, 236, 7,   16,  77,  88,  56,  163,
    82,  84,  185, 242, 50,  47,  44,  151, 70,  103, 13,  227, 206, 238,
    40,  123, 224, 117, 153, 255, 53,  60,  38,  9,   86,  73,  31,  184,
    129, 30,  6,   90,  240, 254, 146, 15,  152, 142, 17,  112, 71,  101,
    244, 108, 100, 78,  205, 161, 214, 2,   87,  115, 164, 157, 228, 106,
    149, 93,  181, 209, 177, 8,   22,  230, 250, 121, 237, 11,  24,  36,
    229, 196, 215, 232, 193, 233, 65,  4,   52,  113, 222, 169, 75,  176,
    191, 64,  132, 114, 220, 180, 46,  49,  25,  62,  195, 168, 187, 26,
    33,  85,  116, 139, 218, 76,  178, 225, 118, 217, 91,  21,  252, 110,
    173, 165, 127, 95,  208, 182, 83,  67,  20,  192, 239, 140, 105, 144,
    248, 204, 97,  35,  134, 81,  249, 202, 41,  28,  174, 1,   211, 234,
    94,  160, 119, 124, 156, 253, 111, 172, 241, 235, 223, 68,  34,  120,
    207, 43,  179, 37,  61,  66,  126, 29,  203, 141, 79,  148, 59,  162,
    159, 128, 89,  42,  18,  147, 137, 27,  190, 125, 143, 58,  63,  175,
    183, 131, 200, 54,  226, 96,  138, 197, 201, 98,  122, 19,  247, 5,
    221, 109, 186, 23,  92,  51,  74,  104, 72,  213, 136, 154, 99,  212,
    216, 32,  130, 0,   171, 48,  231, 194, 232, 111, 251, 155, 183, 119,
    39,  64,  120, 244, 204, 26,  63,  215, 88,  42,  61,  21,  27,  85,
    200, 212, 240, 249, 113, 101, 59,  75,  38,  141, 136, 186, 187, 102,
    237, 190, 94,  79,  76,  114, 241, 44,  236, 179, 122, 107, 104, 219,
    45,  15,  128, 224, 46,  87,  214, 229, 145, 35,  37,  170, 8,   225,
    152, 161, 131, 222, 201, 112, 168, 228, 6,   16,  12,  83,  126, 192,
    121, 134, 123, 181, 82,  58,  162, 0,   109, 41,  24,  92,  171, 191,
    98,  221, 34,  20,  69,  29,  165, 185, 89,  206, 216, 72,  196, 49,
    205, 7,   254, 226, 53,  194, 43,  110, 137, 129, 9,   130, 18,  153,
    176, 193, 199, 70,  99,  246, 2,   172, 138, 146, 160, 217, 17,  208,
    175, 174, 23,  36,  169, 133, 210, 135, 100, 218, 108, 233, 248, 81,
    247, 197, 234, 96,  13,  117, 163, 67,  166, 184, 95,  47,  178, 118,
    243, 154, 1,   230, 158, 90,  105, 207, 40,  57,  177, 52,  65,  74,
    32,  73,  223, 148, 48,  22,  11,  106, 202, 253, 115, 250, 25,  167,
    195, 66,  188, 30,  147, 103, 127, 245, 189, 28,  144, 93,  71,  173,
    19,  50,  151, 60,  3,   182, 209, 84,  140, 31,  97,  55,  80,  125,
    211, 132, 227, 51,  203, 239, 14,  56,  252, 86,  116, 213, 33,  124,
    68,  159, 139, 149, 157, 77,  4,   235, 10,  255, 180, 238, 142, 5,
    78,  164, 143, 242, 62,  150, 220, 54,  231, 198, 91,  156, 104, 187,
    55,  87,  163, 99,  211, 160, 56,  100, 28,  2,   203, 67,  152, 82,
    33,  217, 215, 25,  200, 196, 16,  141, 101, 105, 119, 199, 254, 177,
    136, 34,  247, 62,  145, 118, 150, 27,  156, 58,  229, 252, 188, 79,
    226, 103, 232, 151, 209, 219, 224, 192, 166, 195, 110, 233, 5,   127,
    41,  210, 8,   149, 216, 85,  95,  22,  157, 144, 40,  20,  94,  176,
    92,  111, 54,  32,  13,  222, 183, 249, 154, 162, 42,  96,  17,  125,
    88,  236, 167, 75,  234, 65,  170, 4,   201, 129, 169, 77,  109, 198,
    24,  72,  116, 37,  241, 51,  182, 106, 121, 202, 39,  230, 93,  181,
    221, 138, 90,  173, 208, 245, 243, 158, 191, 14,  10,  124, 50,  218,
    128, 237, 133, 112, 251, 38,  131, 84,  253, 9,   26,  179, 148, 194,
    60,  61,  184, 197, 227, 73,  18,  64,  49,  185, 255, 31,  126, 120,
    107, 123, 122, 142, 143, 130, 53,  190, 214, 66,  189, 155, 168, 205,
    165, 164, 117, 242, 0,   29,  235, 132, 80,  174, 135, 146, 114, 225,
    15,  98,  45,  83,  159, 74,  204, 86,  175, 19,  11,  57,  161, 172,
    48,  193, 115, 81,  47,  250, 3,   76,  223, 206, 69,  68,  220, 43,
    21,  35,  240, 97,  239, 52,  63,  207, 71,  59,  6,   248, 12,  238,
    228, 153, 213, 140, 244, 171, 7,   89,  1,   113, 180, 231, 178, 139,
    36,  102, 134, 137, 70,  212, 91,  186, 246, 46,  108, 78,  147, 30,
    23,  44,  212, 27,  167, 71,  99,  35,  211, 44,  100, 224, 184, 134,
    235, 131, 68,  150, 105, 65,  199, 129, 180, 192, 220, 37,  157, 145,
    231, 247, 146, 185, 116, 38,  103, 210, 25,  42,  202, 251, 56,  222,
    29,  24,  216, 95,  230, 23,  84,  135, 89,  187, 108, 204, 154, 3,
    66,  17,  189, 207, 81,  22,  244, 13,  132, 205, 47,  74,  245, 92,
    148, 208, 114, 252, 248, 255, 234, 172, 165, 242, 39,  225, 190, 166,
    14,  236, 153, 85,  4,   72,  87,  107, 206, 9,   142, 0,   113, 73,
    209, 229, 133, 58,  196, 52,  176, 93,  249, 179, 106, 78,  97,  46,
    215, 218, 181, 173, 53,  238, 126, 197, 156, 237, 115, 178, 15,  98,
    110, 152, 246, 254, 140, 5,   61,  188, 91,  26,  195, 16,  213, 177,
    62,  51,  80,  70,  88,  21,  228, 125, 163, 241, 86,  76,  57,  161,
    79,  239, 18,  164, 11,  219, 30,  226, 159, 6,   45,  82,  10,  198,
    149, 123, 20,  101, 221, 32,  109, 182, 12,  117, 139, 128, 28,  130,
    183, 214, 54,  41,  31,  102, 69,  83,  111, 174, 168, 138, 63,  19,
    43,  33,  233, 8,   124, 137, 243, 217, 191, 158, 67,  40,  175, 34,
    253, 64,  120, 203, 141, 227, 60,  169, 127, 112, 143, 223, 119, 155,
    122, 36,  232, 194, 96,  1,   77,  104, 48,  75,  55,  193, 201, 121,
    240, 151, 118, 171, 160, 90,  250, 49,  186, 144, 59,  94,  170, 2,
    200, 162, 147, 50,  7,   136, 231, 104, 124, 220, 224, 32,  240, 207,
    215, 123, 227, 165, 24,  192, 247, 21,  170, 18,  92,  210, 7,   155,
    159, 14,  214, 66,  60,  172, 57,  218, 71,  5,   188, 249, 122, 225,
    65,  136, 99,  141, 86,  131, 195, 4,   69,  140, 103, 156, 58,  200,
    143, 47,  241, 64,  9,   194, 182, 20,  130, 149, 199, 230, 183, 38,
    180, 193, 190, 31,  39,  11,  89,  127, 163, 100, 33,  79,  142, 217,
    252, 114, 173, 133, 221, 15,  250, 94,  55,  211, 76,  152, 29,  10,
    93,  91,  98,  202, 2,   78,  174, 81,  119, 135, 43,  22,  154, 16,
    161, 157, 242, 189, 204, 177, 254, 70,  126, 253, 237, 110, 223, 6,
    80,  25,  212, 233, 125, 3,   181, 109, 111, 46,  54,  191, 40,  113,
    128, 203, 222, 34,  45,  144, 139, 229, 67,  158, 87,  246, 160, 226,
    85,  175, 90,  178, 148, 244, 185, 151, 248, 168, 77,  105, 196, 37,
    198, 121, 1,   101, 30,  8,   167, 206, 150, 59,  134, 245, 239, 62,
    120, 219, 95,  201, 236, 213, 117, 234, 68,  197, 238, 112, 116, 61,
    115, 129, 36,  176, 216, 50,  42,  19,  255, 138, 208, 186, 164, 205,
    0,   243, 52,  41,  118, 27,  35,  56,  102, 96,  63,  106, 228, 107,
    84,  132, 44,  232, 17,  23,  51,  137, 251, 82,  166, 179, 171, 184,
    108, 146, 74,  26,  235, 12,  53,  88,  187, 49,  145, 162, 209, 75,
    72,  13,  97,  73,  83,  169, 48,  153, 28,  147, 159, 210, 206, 238,
    186, 122, 234, 215, 111, 27,  211, 121, 226, 90,  207, 201, 248, 176,
    110, 240, 255, 123, 71,  228, 188, 64,  14,  94,  245, 136, 191, 153,
    142, 53,  104, 109, 141, 50,  83,  177, 60,  179, 115, 230, 89,  254,
    31,  46,  168, 242, 23,  247, 157, 218, 101, 192, 92,  22,  0,   73,
    63,  236, 15,  172, 246, 13,  244, 199, 95,  203, 85,  231, 19,  6,
    45,  87,  100, 213, 78,  208, 17,  25,  161, 151, 232, 212, 143, 163,
    62,  98,  97,  24,  33,  187, 160, 88,  128, 164, 196, 189, 79,  127,
    43,  124, 200, 74,  173, 225, 80,  65,  190, 221, 180, 12,  52,  1,
    209, 4,   7,   76,  10,  149, 86,  5,   129, 51,  169, 81,  183, 68,
    220, 167, 18,  29,  154, 11,  84,  224, 145, 202, 75,  57,  243, 148,
    239, 28,  250, 32,  137, 119, 8,   144, 150, 182, 117, 175, 130, 146,
    241, 133, 38,  249, 140, 181, 205, 185, 20,  178, 223, 36,  252, 91,
    204, 105, 55,  116, 2,   59,  135, 165, 30,  9,   233, 184, 166, 217,
    132, 106, 54,  193, 131, 77,  70,  42,  34,  16,  120, 99,  103, 152,
    138, 40,  198, 113, 26,  3,   118, 197, 156, 251, 147, 66,  108, 58,
    39,  56,  134, 235, 214, 102, 222, 82,  253, 47,  195, 229, 155, 112,
    44,  67,  171, 194, 158, 48,  216, 72,  107, 126, 41,  162, 219, 93,
    125, 96,  61,  139, 114, 49,  237, 37,  35,  69,  170, 21,  174, 227,
    221, 0,   188, 220, 104, 40,  152, 149, 173, 25,  81,  215, 16,  8,
    13,  39,  6,   62,  92,  126, 61,  121, 5,   178, 10,  206, 252, 76,
    19,  150, 253, 247, 124, 83,  118, 11,  43,  96,  209, 143, 138, 49,
    241, 84,  183, 236, 93,  28,  182, 32,  213, 181, 59,  136, 131, 78,
    170, 132, 142, 167, 125, 58,  77,  250, 100, 171, 194, 133, 157, 201,
    115, 165, 145, 116, 203, 21,  50,  243, 60,  94,  239, 119, 127, 85,
    246, 162, 205, 33,  44,  144, 63,  38,  255, 185, 46,  102, 14,  114,
    146, 91,  141, 189, 41,  202, 214, 248, 75,  191, 222, 31,  172, 123,
    130, 90,  2,   223, 175, 210, 197, 154, 184, 179, 196, 35,  95,  177,
    7,   47,  117, 18,  42,  101, 64,  187, 72,  9,   34,  110, 111, 120,
    73,  151, 113, 98,  45,  106, 168, 174, 231, 53,  22,  30,  4,   36,
    147, 237, 176, 192, 207, 163, 148, 87,  218, 211, 107, 23,  226, 224,
    29,  242, 74,  89,  26,  199, 245, 66,  48,  57,  69,  195, 12,  103,
    71,  198, 20,  55,  82,  24,  164, 159, 1,   235, 180, 216, 80,  158,
    134, 225, 37,  166, 56,  54,  52,  79,  200, 129, 228, 227, 234, 249,
    17,  112, 186, 232, 229, 70,  244, 233, 68,  212, 204, 128, 155, 109,
    65,  3,   153, 254, 122, 193, 169, 240, 140, 190, 230, 86,  105, 108,
    135, 208, 217, 251, 27,  238, 219, 137, 160, 15,  139, 67,  161, 99,
    88,  51,  156, 97,  138, 21,  241, 17,  61,  253, 237, 130, 218, 230,
    94,  180, 165, 221, 58,  132, 235, 99,  145, 163, 234, 70,  114, 55,
    207, 115, 49,  1,   16,  251, 170, 212, 177, 80,  219, 72,  104, 117,
    222, 172, 79,  62,  254, 201, 148, 161, 10,  81,  27,  53,  194, 162,
    248, 93,  0,   243, 111, 121, 51,  4,   42,  127, 122, 63,  89,  232,
    199, 242, 74,  22,  112, 18,  158, 233, 8,   2,   183, 240, 113, 131,
    12,  84,  28,  66,  91,  167, 250, 174, 225, 37,  220, 11,  156, 134,
    211, 75,  179, 247, 23,  24,  186, 106, 118, 143, 59,  77,  136, 92,
    3,   188, 97,  56,  135, 159, 7,   124, 204, 87,  50,  223, 13,  176,
    185, 160, 252, 190, 100, 76,  98,  151, 239, 210, 85,  120, 29,  86,
    39,  19,  140, 205, 150, 116, 126, 103, 90,  47,  125, 83,  68,  34,
    123, 67,  249, 25,  144, 26,  69,  213, 236, 32,  9,   52,  31,  208,
    168, 244, 231, 245, 202, 119, 15,  38,  95,  36,  226, 71,  197, 6,
    178, 64,  193, 196, 164, 171, 137, 20,  215, 109, 153, 60,  142, 40,
    41,  45,  229, 195, 107, 110, 146, 139, 141, 155, 169, 108, 157, 14,
    217, 96,  175, 198, 30,  5,   255, 189, 82,  43,  105, 54,  57,  73,
    129, 149, 88,  154, 206, 128, 102, 35,  191, 78,  246, 133, 65,  227,
    203, 187, 182, 33,  228, 101, 166, 184, 216, 147, 152, 214, 181, 44,
    200, 192, 46,  224, 173, 48,  209, 238, 238, 17,  205, 237, 121, 57,
    169, 166, 190, 42,  98,  232, 33,  25,  30,  56,  23,  79,  109, 143,
    78,  138, 22,  195, 27,  223, 13,  93,  36,  167, 14,  8,   141, 100,
    135, 28,  60,  113, 226, 160, 155, 66,  2,   101, 200, 253, 110, 45,
    199, 49,  230, 198, 76,  153, 148, 95,  187, 149, 159, 184, 142, 75,
    94,  11,  117, 188, 211, 150, 174, 218, 132, 182, 162, 133, 220, 38,
    67,  4,   77,  111, 0,   136, 144, 102, 7,   179, 222, 50,  61,  161,
    80,  55,  16,  202, 63,  119, 31,  131, 163, 108, 158, 206, 58,  219,
    231, 9,   92,  208, 239, 48,  189, 140, 147, 107, 19,  240, 192, 227,
    214, 171, 201, 196, 213, 52,  112, 194, 24,  64,  134, 35,  59,  118,
    81,  204, 89,  26,  51,  127, 128, 137, 90,  168, 130, 115, 62,  123,
    185, 191, 248, 70,  39,  47,  21,  53,  164, 254, 193, 209, 224, 180,
    165, 104, 235, 228, 124, 40,  243, 241, 46,  3,   91,  106, 43,  216,
    6,   83,  65,  74,  86,  212, 29,  120, 88,  215, 37,  72,  99,  41,
    181, 176, 18,  252, 197, 233, 97,  175, 151, 242, 54,  183, 73,  71,
    69,  96,  217, 146, 245, 244, 251, 10,  34,  129, 203, 249, 246, 87,
    5,   250, 85,  229, 221, 145, 172, 126, 82,  20,  170, 15,  139, 210,
    186, 1,   157, 207, 247, 103, 122, 125, 152, 225, 234, 12,  44,  255,
    236, 154, 177, 32,  156, 84,  178, 116, 105, 68,  173, 114, 179, 158,
    250, 26,  198, 134, 118, 171, 3,   143, 7,   29,  46,  102, 99,  237,
    52,  172, 154, 236, 19,  239, 155, 0,   152, 188, 58,  10,  249, 68,
    211, 61,  186, 57,  36,  49,  81,  254, 135, 21,  24,  231, 167, 210,
    253, 170, 51,  90,  100, 190, 235, 203, 225, 230, 233, 60,  56,  130,
    124, 109, 83,  72,  163, 8,   98,  209, 144, 27,  115, 191, 89,  59,
    71,  242, 241, 43,  128, 217, 122, 204, 117, 189, 133, 107, 164, 112,
    35,  87,  234, 174, 69,  84,  5,   47,  28,  148, 252, 192, 224, 1,
    227, 147, 31,  88,  132, 214, 113, 197, 76,  37,  106, 33,  80,  104,
    208, 229, 53,  32,  91,  168, 150, 153, 194, 137, 101, 103, 205, 181,
    139, 96,  184, 251, 222, 97,  166, 255, 240, 92,  245, 86,  63,  221,
    39,  48,  131, 248, 6,   156, 173, 75,  196, 140, 2,   34,  121, 67,
    206, 94,  85,  9,   18,  157, 232, 185, 145, 93,  176, 126, 243, 64,
    216, 207, 40,  141, 11,  16,  78,  175, 219, 41,  202, 45,  13,  244,
    146, 125, 160, 246, 162, 165, 55,  17,  50,  182, 110, 12,  180, 23,
    187, 212, 22,  228, 178, 213, 38,  183, 226, 73,  120, 111, 199, 142,
    200, 70,  123, 116, 114, 223, 66,  82,  138, 30,  65,  195, 119, 105,
    15,  108, 136, 247, 159, 14,  74,  44,  20,  4,   95,  42,  77,  238,
    79,  161, 193, 220, 129, 127, 62,  149, 177, 169, 215, 201, 54,  25,
    218, 151, 171, 24,  156, 124, 48,  112, 0,   115, 219, 175, 247, 145,
    8,   144, 123, 65,  50,  122, 252, 58,  75,  79,  3,   198, 238, 234,
    92,  12,  149, 162, 139, 113, 220, 85,  194, 29,  253, 184, 119, 89,
    110, 23,  87,  132, 177, 108, 43,  60,  130, 248, 51,  83,  237, 16,
    37,  106, 78,  84,  42,  193, 11,  190, 59,  254, 116, 125, 182, 131,
    235, 255, 53,  99,  183, 100, 93,  243, 70,  181, 28,  90,  249, 241,
    105, 179, 66,  214, 187, 39,  44,  136, 169, 18,  233, 15,  138, 210,
    170, 6,   230, 205, 251, 203, 159, 46,  98,  160, 221, 41,  218, 201,
    172, 173, 246, 158, 118, 9,   57,  166, 67,  94,  224, 245, 20,  133,
    137, 151, 97,  185, 147, 102, 206, 163, 216, 109, 80,  191, 86,  74,
    121, 32,  127, 209, 215, 22,  91,  142, 240, 10,  129, 211, 34,  154,
    212, 180, 21,  155, 104, 88,  25,  5,   68,  17,  30,  213, 189, 81,
    150, 56,  107, 134, 174, 111, 222, 161, 19,  54,  232, 143, 195, 229,
    76,  1,   33,  114, 196, 49,  38,  128, 52,  73,  71,  61,  36,  192,
    200, 26,  178, 103, 227, 146, 96,  2,   164, 153, 208, 199, 244, 197,
    14,  207, 55,  168, 62,  176, 35,  242, 228, 223, 148, 4,   140, 152,
    141, 27,  7,   165, 47,  186, 126, 135, 31,  40,  204, 250, 82,  226,
    95,  236, 225, 72,  239, 45,  13,  202, 77,  63,  120, 217, 157, 101,
    167, 69,  64,  117, 188, 231, 131, 120, 156, 124, 80,  144, 160, 139,
    51,  39,  175, 89,  232, 176, 211, 137, 162, 42,  252, 234, 35,  199,
    155, 86,  190, 26,  92,  140, 253, 146, 99,  57,  220, 189, 178, 197,
    165, 24,  47,  97,  62,  207, 15,  196, 121, 236, 3,   60,  114, 88,
    75,  107, 21,  48,  13,  154, 30,  20,  90,  9,   227, 14,  147, 78,
    52,  37,  198, 27,  195, 247, 157, 251, 111, 164, 5,   11,  214, 29,
    28,  10,  1,   185, 241, 203, 50,  230, 19,  95,  172, 104, 49,  130,
    113, 135, 186, 66,  218, 150, 118, 245, 83,  163, 151, 254, 82,  64,
    133, 177, 138, 81,  44,  213, 6,   238, 134, 145, 65,  54,  219, 174,
    128, 93,  212, 109, 17,  79,  169, 193, 171, 246, 158, 59,  56,  149,
    112, 183, 102, 122, 129, 192, 119, 153, 143, 38,  179, 94,  16,  58,
    201, 235, 18,  74,  148, 116, 125, 243, 72,  184, 33,  237, 132, 217,
    110, 61,  101, 25,  166, 152, 67,  22,  126, 231, 46,  233, 43,  70,
    200, 7,   91,  205, 204, 73,  105, 226, 4,   249, 182, 32,  244, 209,
    127, 229, 100, 96,  168, 202, 34,  159, 123, 2,   0,   242, 228, 161,
    240, 255, 180, 173, 222, 71,  239, 136, 142, 208, 187, 98,  36,  215,
    84,  68,  12,  248, 181, 115, 63,  141, 167, 106, 206, 191, 23,  8,
    76,  170, 194, 210, 87,  108, 41,  40,  103, 85,  53,  250, 117, 55,
    216, 225, 69,  77,  223, 45,  224, 221, 188, 31,  86,  211, 151, 119,
    107, 171, 59,  158, 134, 154, 98,  28,  195, 203, 38,  204, 13,  213,
    247, 149, 246, 58,  46,  225, 137, 69,  87,  7,   96,  125, 54,  252,
    215, 32,  157, 104, 72,  115, 226, 100, 9,   130, 194, 255, 60,  103,
    214, 55,  93,  179, 94,  126, 56,  75,  240, 197, 233, 207, 133, 76,
    182, 89,  230, 153, 239, 200, 209, 174, 150, 234, 0,   142, 34,  223,
    168, 30,  97,  128, 23,  181, 4,   124, 116, 222, 29,  241, 102, 146,
    39,  67,  180, 237, 244, 250, 229, 173, 5,   33,  1,   24,  166, 118,
    138, 201, 61,  219, 40,  52,  53,  212, 167, 248, 17,  57,  145, 20,
    68,  193, 110, 249, 27,  192, 143, 80,  148, 2,   236, 196, 190, 129,
    105, 206, 147, 184, 139, 170, 113, 165, 132, 91,  106, 92,  66,  49,
    6,   41,  43,  101, 12,  254, 253, 245, 79,  47,  224, 70,  35,  19,
    36,  208, 191, 156, 185, 160, 8,   220, 177, 243, 22,  161, 73,  90,
    121, 44,  62,  81,  163, 122, 238, 176, 71,  140, 172, 77,  63,  188,
    65,  187, 175, 84,  178, 136, 159, 251, 131, 117, 141, 210, 14,  109,
    155, 221, 31,  164, 11,  50,  111, 144, 169, 186, 162, 99,  217, 235,
    78,  205, 95,  202, 15,  127, 135, 83,  216, 198, 114, 112, 26,  21,
    25,  242, 10,  227, 199, 85,  45,  189, 74,  231, 108, 3,   218, 120,
    88,  37,  152, 42,  51,  228, 232, 48,  18,  16,  123, 64,  183, 82,
    165, 154, 190, 158, 114, 178, 194, 173, 85,  73,  209, 123, 10,  210,
    245, 171, 196, 76,  30,  12,  69,  233, 189, 120, 224, 60,  126, 174,
    31,  180, 133, 91,  254, 223, 212, 231, 199, 58,  81,  131, 96,  241,
    49,  230, 155, 14,  37,  94,  148, 122, 109, 141, 55,  82,  47,  188,
    64,  54,  124, 43,  5,   48,  181, 112, 86,  71,  232, 61,  229, 25,
    191, 29,  145, 198, 39,  45,  248, 63,  62,  44,  35,  219, 19,  237,
    84,  8,   53,  129, 206, 138, 83,  164, 147, 169, 220, 100, 252, 184,
    152, 23,  117, 197, 185, 32,  116, 98,  167, 211, 172, 115, 78,  247,
    40,  16,  168, 179, 99,  88,  253, 208, 162, 127, 246, 143, 51,  113,
    203, 227, 205, 24,  192, 93,  90,  183, 146, 217, 136, 156, 163, 226,
    153, 187, 177, 72,  213, 128, 50,  92,  235, 13,  52,  108, 182, 150,
    159, 21,  106, 218, 67,  15,  166, 251, 144, 95,  135, 59,  200, 186,
    101, 56,  160, 9,   80,  11,  77,  104, 234, 41,  125, 239, 238, 107,
    139, 4,   38,  27,  216, 66,  22,  243, 161, 7,   134, 130, 202, 236,
    68,  193, 157, 36,  34,  20,  6,   195, 18,  33,  214, 207, 0,   105,
    17,  170, 176, 242, 221, 132, 70,  249, 118, 102, 46,  26,  215, 149,
    97,  175, 201, 140, 240, 225, 57,  42,  110, 204, 228, 244, 121, 142,
    75,  74,  137, 119, 87,  28,  151, 89,  250, 3,   103, 111, 1,   79,
    2,   255, 222, 65,  20,  169, 77,  45,  129, 193, 209, 28,  196, 56,
    192, 170, 25,  225, 100, 218, 19,  155, 173, 91,  180, 216, 44,  71,
    175, 139, 13,  61,  206, 3,   244, 138, 141, 142, 35,  150, 118, 73,
    64,  178, 47,  224, 32,  117, 202, 157, 148, 237, 227, 137, 220, 252,
    230, 97,  222, 11,  15,  197, 203, 90,  116, 255, 36,  63,  229, 246,
    183, 172, 84,  8,   110, 140, 128, 85,  214, 156, 199, 238, 205, 123,
    82,  10,  66,  92,  163, 215, 164, 112, 93,  153, 130, 243, 194, 152,
    43,  179, 75,  135, 103, 198, 228, 52,  168, 239, 195, 113, 86,  2,
    251, 162, 221, 166, 247, 223, 119, 226, 146, 39,  108, 159, 177, 46,
    133, 62,  98,  96,  250, 18,  60,  231, 143, 204, 105, 102, 161, 200,
    87,  235, 210, 241, 136, 234, 160, 23,  68,  79,  65,  171, 26,  124,
    131, 187, 69,  37,  78,  132, 121, 233, 114, 190, 53,  42,  95,  14,
    54,  106, 151, 201, 212, 7,   111, 248, 31,  58,  188, 55,  249, 24,
    236, 158, 125, 154, 186, 83,  181, 74,  167, 81,  165, 34,  144, 182,
    21,  145, 217, 59,  147, 176, 12,  115, 49,  99,  149, 242, 33,  16,
    101, 126, 207, 88,  0,   185, 127, 1,   76,  211, 213, 232, 5,   245,
    189, 41,  134, 4,   80,  94,  184, 219, 191, 208, 40,  57,  253, 27,
    51,  67,  104, 29,  122, 89,  120, 38,  6,   107, 70,  72,  9,   50,
    22,  30,  240, 254, 17,  174, 109, 48,
);

%veggie_table = (
    tomato => [
        168, 144, 40,  133, 43,  117, 252, 212, 147, 148, 94,  211, 113, 84,
        185, 178, 201, 114, 88,  245, 71,  5,   171, 53,  135, 163, 165, 96,
        118, 210, 125, 59,  173, 204, 219, 246, 105, 169, 115, 214, 131, 110,
        34,  140, 0,   66,  167, 194, 166, 227, 142, 7,   223, 254, 75,  159,
        41,  78,  130, 99,  209, 9,   180, 63,  67,  205, 104, 164, 70,  55,
        153, 137, 208, 42,  4,   82,  149, 61,  16,  31,  25,  73,  215, 126,
        207, 17,  8,   150, 224, 183, 199, 3,   18,  11,  120, 36,  30,  10,
        20,  24,  49,  106, 161, 37,  217, 83,  200, 57,  181, 249, 128, 162,
        62,  175, 48,  127, 233, 50,  151, 111, 87,  44,  14,  187, 172, 229,
        69,  56,  85,  232, 247, 170, 155, 33,  81,  1,   154, 251, 191, 184,
        58,  77,  51,  39,  19,  203, 60,  236, 23,  29,  255, 74,  116, 157,
        12,  202, 64,  101, 193, 145, 242, 38,  89,  225, 152, 76,  65,  143,
        15,  237, 47,  98,  79,  121, 2,   156, 213, 238, 28,  240, 198, 93,
        26,  206, 253, 241, 221, 160, 32,  46,  239, 248, 216, 177, 189, 123,
        119, 134, 220, 243, 192, 54,  139, 186, 68,  91,  190, 146, 250, 100,
        174, 138, 231, 218, 92,  112, 235, 197, 97,  234, 136, 226, 6,   108,
        107, 21,  103, 176, 179, 35,  228, 195, 22,  109, 27,  188, 52,  230,
        122, 95,  72,  132, 222, 182, 158, 80,  102, 86,  244, 196, 13,  45,
        141, 90,  124, 129,
    ],
    carrot => [
        207, 110, 211, 170, 253, 115, 1,   88,  142, 252, 80,  24,  113, 25,
        50,  238, 244, 78,  166, 151, 210, 206, 177, 127, 150, 198, 216, 148,
        137, 81,  220, 232, 191, 75,  90,  235, 102, 186, 212, 122, 70,  248,
        96,  241, 42,  183, 169, 143, 41,  217, 6,   134, 161, 132, 84,  199,
        171, 230, 116, 93,  77,  99,  229, 62,  233, 164, 46,  94,  213, 52,
        129, 35,  152, 100, 228, 33,  63,  218, 9,   15,  136, 173, 49,  181,
        121, 112, 43,  146, 26,  71,  67,  97,  56,  225, 221, 240, 195, 89,
        201, 141, 250, 107, 231, 120, 27,  74,  4,   239, 13,  160, 126, 82,
        234, 36,  209, 123, 249, 7,   45,  247, 53,  202, 51,  87,  105, 158,
        255, 22,  47,  59,  193, 243, 60,  34,  196, 182, 106, 69,  203, 138,
        153, 145, 215, 73,  162, 208, 251, 222, 130, 223, 224, 165, 95,  131,
        135, 156, 174, 157, 189, 61,  55,  254, 32,  28,  194, 30,  17,  139,
        109, 37,  16,  65,  192, 178, 39,  2,   58,  40,  204, 101, 175, 111,
        3,   219, 167, 237, 119, 124, 23,  172, 72,  57,  188, 5,   104, 10,
        19,  133, 246, 44,  21,  31,  149, 8,   180, 76,  187, 200, 48,  245,
        185, 0,   242, 159, 179, 205, 20,  226, 18,  155, 227, 118, 168, 197,
        86,  214, 103, 190, 128, 140, 147, 108, 184, 236, 144, 125, 54,  64,
        14,  66,  11,  83,  85,  38,  163, 154, 91,  114, 29,  98,  12,  79,
        92,  117, 68,  176,
    ],
    potato => [
        207, 150, 249, 92,  224, 35,  18,  80,  131, 86,  163, 23,  149, 217,
        42,  110, 173, 177, 143, 214, 154, 83,  45,  8,   219, 232, 128, 209,
        30,  28,  221, 245, 192, 85,  79,  168, 213, 63,  97,  51,  243, 114,
        171, 255, 194, 230, 153, 200, 20,  37,  169, 111, 74,  117, 135, 246,
        98,  147, 127, 29,  157, 183, 189, 184, 62,  215, 115, 138, 34,  82,
        238, 90,  130, 237, 195, 102, 166, 71,  109, 68,  226, 47,  229, 233,
        14,  1,   65,  96,  99,  43,  24,  212, 146, 118, 156, 197, 59,  190,
        12,  227, 39,  126, 91,  134, 142, 58,  236, 223, 179, 199, 54,  50,
        60,  176, 133, 242, 164, 125, 105, 208, 21,  172, 103, 228, 57,  75,
        95,  252, 89,  141, 113, 234, 175, 148, 106, 101, 48,  76,  36,  132,
        38,  187, 139, 140, 202, 162, 193, 26,  196, 205, 165, 7,   136, 185,
        56,  121, 55,  52,  94,  61,  152, 174, 203, 53,  22,  248, 123, 4,
        9,   129, 120, 27,  87,  44,  137, 201, 222, 15,  198, 72,  244, 220,
        124, 6,   3,   254, 112, 235, 218, 64,  151, 225, 160, 81,  5,   10,
        181, 25,  250, 122, 247, 32,  69,  66,  67,  78,  88,  0,   231, 167,
        239, 144, 182, 211, 70,  49,  180, 178, 159, 108, 241, 84,  11,  16,
        161, 41,  158, 216, 145, 253, 251, 33,  116, 77,  104, 13,  119, 19,
        191, 204, 170, 206, 31,  107, 93,  240, 186, 210, 17,  73,  46,  155,
        100, 2,   40,  188,
    ],
    radish => [
        68,  94,  16,  181, 225, 234, 166, 157, 57,  78,  106, 62,  158, 52,
        201, 211, 10,  88,  87,  193, 191, 194, 38,  243, 169, 253, 204, 95,
        152, 31,  76,  241, 147, 131, 221, 29,  50,  163, 86,  232, 216, 127,
        197, 233, 214, 173, 164, 224, 145, 123, 167, 92,  49,  215, 160, 161,
        44,  80,  3,   17,  61,  120, 144, 110, 151, 178, 6,   89,  250, 71,
        99,  226, 190, 19,  183, 26,  236, 200, 125, 230, 112, 34,  2,   235,
        205, 247, 65,  217, 22,  149, 227, 67,  46,  82,  208, 240, 5,   195,
        251, 90,  138, 121, 101, 117, 115, 32,  207, 129, 206, 107, 244, 126,
        220, 218, 45,  185, 242, 134, 43,  72,  189, 177, 136, 20,  79,  150,
        7,   24,  30,  27,  0,   202, 25,  60,  14,  248, 159, 70,  182, 223,
        102, 114, 245, 11,  12,  73,  93,  40,  51,  156, 56,  55,  142, 8,
        21,  48,  198, 254, 135, 13,  84,  41,  239, 176, 238, 85,  255, 168,
        128, 228, 180, 59,  213, 219, 222, 53,  47,  231, 209, 122, 137, 187,
        15,  83,  109, 39,  174, 192, 141, 58,  9,   113, 28,  116, 1,   103,
        75,  210, 153, 165, 172, 140, 111, 130, 199, 196, 42,  118, 74,  91,
        37,  23,  146, 252, 64,  203, 108, 98,  96,  63,  179, 69,  246, 4,
        188, 81,  104, 162, 124, 54,  171, 237, 132, 133, 249, 148, 139, 18,
        77,  170, 154, 100, 119, 186, 33,  155, 212, 66,  175, 97,  105, 35,
        36,  184, 143, 229,
    ],
    garlic => [
        64,  125, 53,  199, 27,  95,  196, 166, 146, 139, 238, 67,  98,  239,
        158, 85,  255, 180, 66,  204, 150, 112, 163, 236, 216, 226, 74,  90,
        73,  47,  171, 54,  41,  108, 22,  75,  51,  227, 229, 44,  93,  11,
        164, 113, 96,  38,  59,  220, 176, 23,  88,  182, 173, 230, 133, 21,
        42,  121, 107, 179, 198, 8,   170, 242, 246, 50,  245, 135, 29,  68,
        80,  76,  48,  91,  141, 177, 203, 45,  190, 186, 213, 62,  195, 30,
        222, 52,  253, 55,  148, 254, 243, 5,   202, 123, 117, 58,  153, 120,
        56,  234, 144, 14,  24,  140, 126, 178, 212, 20,  157, 210, 69,  110,
        127, 1,   240, 183, 237, 3,   197, 191, 15,  241, 231, 78,  156, 102,
        10,  128, 167, 206, 218, 60,  28,  181, 247, 37,  81,  71,  134, 49,
        248, 0,   97,  94,  217, 89,  215, 228, 131, 4,   205, 132, 40,  36,
        63,  116, 145, 159, 82,  46,  143, 18,  165, 100, 223, 147, 65,  192,
        9,   39,  225, 168, 32,  154, 233, 136, 194, 169, 7,   235, 12,  103,
        209, 87,  25,  119, 26,  31,  252, 172, 201, 188, 57,  249, 130, 250,
        17,  79,  70,  6,   35,  211, 61,  72,  142, 214, 122, 232, 101, 84,
        16,  105, 137, 155, 193, 224, 208, 86,  138, 118, 152, 161, 151, 124,
        104, 184, 187, 34,  160, 207, 13,  175, 83,  185, 77,  19,  219, 244,
        109, 92,  251, 43,  221, 149, 33,  162, 200, 2,   174, 115, 111, 106,
        129, 189, 99,  114,
    ],
);

=head1 NAME

Crypt::AppleTwoFish -- two Apple iTMS/iTunes key descrambling algorithms

=head1 DESCRIPTION

The first algorithm appears to have only cursory resemblance to Bruce Schneier's
blowfish and twofish algorithms in that it too has a table-based decoder.

The second algorithm is more standard encryption using S-box type permutations
and lookup tables, and might have started out something like Twofish or Blowfish.

=head1 SYNOPSIS

    for iTMS usages:

    use Crypt::AppleTwoFish;

    my $scrambled_key = '=sixteen uchars=';

    my $apple_twofish = new Crypt::AppleTwoFish(key => $scrambled_key);

    my $descrambled_key = $apple_twofish->decrypted_for_iTMS;

    my $descrambled_another_way = $apple_twofish->decrypted_for_DRMS;


    ..and for iTunes 7 compatible usages:

    Functions cloned from lower level compiled code which was likely intended
    to be difficult to reconstruct cannot easily be given sensible names. Ada
    Pro is good, but dull.  We chose to be amused during the tedium by coming
    up with function names from a vegetable farm.

    For actual usage, see also:

L.

=head1 METHODS

=over 4

=item B

Call with the key as a scalar argument. When passed (LWP simulating iTunes) over iTMS,
encrypted M4P keys for your purchased music are currently 16 unsigned chars in length.

=item B

Returns the unscrambled key for use with the Apple Music Store.

=item B

Returns the unscrambled key for use with iTunes/iPod DRM.

=item B

    Get/set initial key.

=item B

    Get/set veggie integer table.

=item B

    Get/set veggie byte table.

=item B

    Get/set veggie.

=item B

    Get/set hardware ID (MAC address or other machine based data). 6 bytes.

=item B

    Get/set key ID.  4 bytes.

=item B

    Get/set user ID.  4 bytes.

=item B

    Key munging, spring season

=item B

    Key munging, harvest season

=back

=head1 AUTHOR

   iTMS decrambler adapted from FairKeys 0.5, by Jon Lech Johansen, and from
   the alterate scramble table found by FutureProof.

   Veggie Tales algorithm courtesy of Ada and other anonymous pros :-).

=head1 SUPPORT

Questions, feature requests and bug reports should go to
.

=head1 COPYRIGHT

=over 4

    Copyright (c) 2005, 2008 William Herrera. All rights reserved.

    Licensing Terms

    a) The terms of Perl itself, plus the following:

    b) UNDER NO CIRCUMSTANCES CAN THIS CODE BE USED FOR CIRCUMVENTION OF ANY
    TECHNOLOGICAL MEASURE WHICH EFFECTIVELY CONTROLS A PROTECTED MEDIA WORK
    UNDER THE DCMA (USA, 1998) OR EU COPYRIGHT DIRECTIVE (EUCD, ARTICLE 6,
    OF 2001), UNDER ANY OPERATING SYSTEM PLATFORM SUPPORTED BY APPLE COMPUTER
    CORPORATION FOR ITS ITUNES OR IPOD PLAYER SOFTWARE IN ANY APPLE CORPORATION
    DISTRIBUTED BINARY FORMAT OF ITUNES FOR THE PLATFORM UNDER WHICH THAT MEDIA
    IS TO BE PLAYED. AS OF 2008, PROHIBITED PLATFORMS INCLUDE THE IPOD, IPHONE,
    APPLE OS X, AND MICROSOFT WINDOWS, BUT NOT LINUX, BSD, OR SOLARIS.  UNDER NO
    CIRCUMSTANCES CAN THE AUTHOR(S) OF THIS CODE BE HELD LIABLE FOR ANY
    INFRINGEMENT INVOLVING THE PROHIBITED PLATFORMS ABOVE.

    c) Use, storage, or distribution of this code implies that you accept that
    its intended purpose is legal and legitimate under any applicable US or EU
    law, as above, and agree that any and all risk as to the quality,
    performance, and legality of this code lies with you.

=back

=cut

return 1;