#!perl -w
use strict;
use IO::File;

# thanks to w4xy for figuring out the encoding.

# script author: itsme@xs4all.nl


# himalaya 3018-44e4 == blueangel 2010-34dc
# himalaya 000b64d0-000b6954  == blueangel 001f12ac-001f1730
my @xlat= (
0x34, 0x4f, 0x9e, 0x59, 0x47, 0xc1, 0xac, 0x96, 0xf5, 0x99, 0xf4, 0x24, 0x58, 0xfd, 0x2c, 0x7b,
0x3f, 0x25, 0x26, 0x00, 0x61, 0x21, 0x30, 0x54, 0x1d, 0x2d, 0xdf, 0x05, 0xbd, 0x29, 0x2a, 0x82,
0x14, 0x6e, 0x31, 0x68, 0x10, 0x5c, 0x63, 0x13, 0x1c, 0xde, 0x39, 0x1f, 0x18, 0x7e, 0x66, 0xd0,
0xb3, 0x1b, 0xed, 0x20, 0x27, 0x3b, 0x8d, 0x0b, 0xb6, 0x64, 0xc2, 0x28, 0x2f, 0x9d, 0x78, 0x0e,
0xaf, 0x52, 0xd4, 0xd6, 0x70, 0x6c, 0x53, 0x73, 0x7c, 0x5a, 0xd1, 0x7f, 0x6d, 0x69, 0x5d, 0x12,
0x43, 0xcb, 0x2e, 0xbc, 0x04, 0xb8, 0x86, 0x44, 0x4b, 0x3e, 0xd5, 0xb9, 0x01, 0x4d, 0xa8, 0x4c,
0xe4, 0xab, 0x7a, 0x35, 0xa3, 0xec, 0x3d, 0x72, 0x11, 0x5e, 0x8f, 0xc0, 0x56, 0x19, 0xc8, 0x87,
0x0f, 0x45, 0x46, 0xc3, 0x55, 0xcc, 0x6b, 0xb7, 0x0a, 0x62, 0x71, 0x36, 0xa0, 0x49, 0x4a, 0xb2,
0xc4, 0x92, 0xd9, 0x77, 0xe1, 0x07, 0x38, 0x17, 0x74, 0x9a, 0xba, 0xbf, 0x67, 0x02, 0x1a, 0xe2,
0x83, 0xa5, 0xa6, 0xd7, 0x6f, 0xa1, 0x33, 0x84, 0x8b, 0xad, 0x85, 0xd2, 0x6a, 0xa9, 0xaa, 0x8c,
0x94, 0x0c, 0xae, 0x50, 0x90, 0x95, 0xb4, 0x93, 0x9c, 0x09, 0x5b, 0x9f, 0x98, 0xcd, 0xb1, 0xe6,
0xf2, 0x57, 0x4e, 0x23, 0xce, 0xfa, 0x2b, 0x97, 0xa2, 0x48, 0x8e, 0xcf, 0x40, 0x89, 0x3a, 0x91,
0x5f, 0x9b, 0x03, 0xf7, 0xf0, 0xbb, 0xee, 0xf3, 0xfc, 0xdb, 0x06, 0x65, 0xe9, 0xbe, 0xf8, 0xfb,
0x16, 0xe5, 0x88, 0xc7, 0x51, 0x1e, 0x79, 0x80, 0xe3, 0x15, 0x7d, 0x32, 0xa4, 0xeb, 0xea, 0x75,
0x42, 0xb0, 0xf1, 0x76, 0x22, 0xf6, 0x08, 0xd3, 0xdc, 0xb5, 0xf9, 0x41, 0x81, 0xfe, 0x0d, 0xda,
0xd8, 0xc5, 0xc6, 0xe0, 0xe7, 0x3c, 0x37, 0x60, 0xdd, 0x8a, 0xa7, 0xe8, 0xef, 0xc9, 0xca, 0xff);

sub translate {
    return pack("C*", map { $xlat[$_]} unpack("C*", shift));
}

my $ifn= shift or die "need ifn\n";
my $ofn= shift or die "need ofn\n";

my $ifh= IO::File->new($ifn, "r") or die "$ifn: $!\n";
binmode $ifh;

my $ofh= IO::File->new($ofn, "w") or die "$ofn: $!\n";
binmode $ofh;
while (!$ifh->eof) {
    my $data;
    $ifh->read($data, 256) or die "reading $ifn: $!\n";
    $ofh->print(translate($data));
}
$ifh->close();
$ofh->close();

