in reply to DES ECB mode encryption
You do not have to be an administrator of your local machine, but you must have access to a C compiler. A suitable C compiler might be available for free, for your machine, but you must have one. And you must follow the established Perl-package installation process for your system, which does a great many more things than just move files around. Once you do get the package installed correctly, you are probably using the right package.
Even so, it is probably far more efficient to just purchase a couple of VPN-enabled routers and to use these to create a secure crypto-tunnel between the two machines, through which any sort of data can be sent without further encryption.
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