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You can sign or encrypt data with KGpg, a graphical user interface for GnuPG. This program helps you to generate and manage all needed keys. Use its editor function for the quick creation and encryption of files or use the applet in your panel to encrypt or decrypt by dragging and dropping. Other programs, such as your mail program (Kontact or Evolution), access the key data to process signed or encrypted contents. In the following sections, learn how to execute the following steps necessary for signing and encrypting data with KGpg:
Signing means attaching electronic signatures to mails (or even software) to prove its origin. To avoid someone writing mails using your name and to protect both you and the recipients, you should sign your mails. Signatures help you to easily check the sender of the mails you receive and to distinguish authentic from malicious mails.
Software developers sign their software so you are able to check its integrity. Even if you have the software from an unofficial server, you can verify the package with the signature.
You might have sensitive information you want to protect from other parties. Encrypting helps you to transform data and make it unreadable for others. This is especially important for companies who must protect internal information as well as the employees' privacy.