Red Hat DIRECTORY SERVER 8.1 - 11-01-2010 Manual do Utilizador descarregar pdf (Página 7)

GnuPG is free, open-source and available for several platforms. It is a

command-line only tool, which means that it does not have a graphical

interface.

Enigmail, first released in 2001 by Ramalingam Saravanan and maintained by

Patrick Brunschwig since 2003, is the GnuPG plug-in for Mozilla email clients

(Thunderbird and SeaMonkey). Enigmail interfaces seamlessly with GnuPG

and provides a GUI to make easy for everyone to securely encrypt, decrypt,

sign, and verify the signature on email messages. The homepage of the

Enigmail Project is http://enigmail.mozdev.org or

http://www.mozilla-enigmail.org .

Enigmail, GnuPG, Thunderbird and SeaMonkey are all free and open-source

software. They can be downloaded, copied and used for free. As open-source

projects, their source code is available for everyone who desires to examine or

customize it.

PGP, along with all its variants, is the most famous and widely used public-key-

encryption software in the world. Since its creation it has allowed people in

totalitarian countries to enjoy privacy, enforce free speech, fight censorship, and

protect human rights. It makes use of the strongest ciphers known in the

scientific literature, and if utilized properly it is virtually unbreakable.

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Red Hat DIRECTORY SERVER 8.1 - 11-01-2010 Manual do Utilizador Página 7