kgpg 4:4.6.2-0ubuntu1.1 (i386 binary) in ubuntu natty

 Kgpg manages cryptographic keys for the GNU Privacy Guard, and can encrypt,
 decrypt, sign, and verify files. It features a simple editor for applying
 cryptography to short pieces of text, and can also quickly apply cryptography
 to the contents of the clipboard.
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 This package is part of the KDE utilities module.