How to Sign a File on Linux with GPG


Jack Wallen shows you how to use the open source gpg to sign documents for a cost-effective way to ensure your clients the files you send them are, in fact, from you.

There may be plenty of times and reasons why you might want or need to digitally sign a file. For instance, say you’re sharing sensitive information and you want to ensure the recipient can trust the file that contains the data. One way is to digitally sign that file prior to sending it to the client. Once the client receives the file, they can verify the signature and if they trust the digital signature, extract the file within and use the data.

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