Calculates the checksum of a file, and compares it to an original.
... signatures, you can find my PGP/GPG keys at:
https://marcusadams.me/gpg.html
If you'd like to donate there's several ways to do so:
PayPal: https://paypal.me/gerowen
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Monero (XMR): 42ho3m9tJsobZwQDsFTk92ENdWAYk2zL8Qp42m7pKmfWE7jzei7Fwrs87MMXUTCVifjZZiStt3E7c5tmYa9qNx
PWman is a text-based application for securely storing and managing passwords, using a gpg encrypted xml file, based on the ui design of abook (http://abook.sourceforge.net). PWman works on Linux, and should also run on most other UNIXes(untested).