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IMPORTANT: Bring your GPG key and an official document that helps people identify yourself. And ID card, driver license or passport is ok. But, to make people trust you, your name on that document may be the same that you put on your GPG key, and people may recognize you on your document's photo.

With GPG you can send and receive encrypted information. But, in order to be sure that the information is sent to and received from the right person, a trusted network is necessary.

Imagine that you receive an encrypted message from your friend. What happens if someone has supplanted your friend's identity? The message is securely transmitted to you, but the source is dangerous. Imagine that you send an encrypted message to your friend. What happens if someone has supplanted your friend's identity? The message is securely transmitted, but to the wrong person.

In order to assure that we are sending the message to and receiving it from the right person, we need to first sign her/his key. In this workshop, we will help you to get your GPG key signed by others and help you signing other's GPG keys. This trusted network is very important and signing someone's key should be taken carefully and seriously. Signing a wrong key causes a weak point in the network of trust. And without a reliable network of trust, the communication through GPG encryption wouldn't make any sense.

There are two ways of providing your public key to the participants.

1. You can upload your public key to a key server like https://keyserver.ubuntu.com (preferred method).
2. If you don't want to upload your key to a key server, you can send me your public key by email to sergiolindo [dot] empresa [at] gmail [dot] com. You can send your public key encrypted with my public key.

Send the keys to sergiolindo [dot] empresa [at] gmail [dot] com

• My public key ID: 0x48fe093f3efcc910
• My public key fingerprint: 1C0D 4C1E 049B 0180 4028 E09E 48FE 093F 3EFC C910

IMPORTANT: Bring your GPG key and an official document that helps people identify yourself. And ID card, driver license or passport is ok. But, to make people trust you, your name on that document may be the same that you put on your GPG key, and people may recognize you on your documents photo.