or die "File does not exist: $!";
I would change that to or die "Can't open 'counter' for reading : $!";

I would also change all that while business to 

my @my_a = <PLAIN>;

[download]
1. How can i open and read the file in byte mode?
`perldoc -f open' should've told you about binmode.
2. How do we ensure that the @my_d == @my_a after we XOr it back? (i've tried it, but it mess up lots of whitespace)
Go ahead and show what you've tried, it could clear up what you're attempting to accomplish
Because this is a Crypto-Counter Mode process, do anyone know whats the simplest way of calling them? (rather than recreating these codes above).
Calling who? XOR is not crypto

MJD says "you can't just make shit up and expect the computer to know what you mean, retardo!"
I run a Win32 PPM repository for perl 5.6.x and 5.8.x -- I take requests (README).
** The third rule of perl club is a statement of fact: pod is sexy.

In reply to Re: Reading two (2) file in byte[] form and then XOring them by PodMaster
in thread Reading two (2) file in byte[] form and then XOring them by cik_ail

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