Make sure you open the files using binmode. 

open(my $fh, '<', 'file')
   or die("open \"file\": $!\n");
binmode($fh);

[download]

If you want encryption, you should really uses Rijndael aka AES (or Twofish or Blowfish) via Crypt::CBC.

In reply to Re: Non-ASCii character encryption by ikegami
in thread Non-ASCii character encryption by ROFL

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