Jan 122013

Today i return to the topic of encryption and security and in particular I’ll show how to simply encrypt a file with GnuPG, this can be really usefull to encrypt a single file where you have your passwords or some personal information that you want to keep safer.

GNU Privacy Guard (GnuPG or GPG) is a GPL Licensed alternative to the PGP suite of cryptographic software. GnuPG is compliant with RFC 4880, which is the current IETF standards track specification of OpenPGP. Current versions of PGP (and Veridis’ Filecrypt) are interoperable with GnuPG and other OpenPGP-compliant systems.

This software is frequently integrated with mail client so it can sign, crypt or do both actions on the mail you send and receive, and now we’ll see how to use it on the command line to encrypt a file.

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Oct 292010

lock2Original article by Maurizio Antonelli

In the previous article we presented some basic concepts of encryption and made some examples of symmetrical and asymmetrical keys, we concluded by saying that a good way to get a certificate with an asymmetric key  is GnuPG.

GnuPG is open-source and multiplatform. It uses native command line in a shell or from MS-DOS prompt.

There are also graphical interface:

Enigmail it’s an extension for Mozilla thunderbird. And contains a graphical tool for keys management.

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