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Vpn-service [Doublevpn]

Voice-service, secure ip-telephony, Jabber

About this section:

This section is intended for the publication of guidelines and articles on the topic of information security, as well as the safety of various spheres of human life. Unique articles and instructions published in this section are the intellectual property of Private Key Project.

1. Generate new ligament private and public PGP-key

To generate a new PGP-key must be installed GNUPG4WIN and GNU_Privacy_Guard, after a successful installation will be available management program PGP-Key: GNU Privacy Assistant - Keyring Editor(abbreviated GPA), in this program and be manipulated with your private and public guest PGP-Key.

The process of generating a new bunch of private and public PGP-key, you can start with push button "Generate key now", or from the drop down menu "Keys -> New Key"

At the beginning of the generation process will be prompted for username or nickname of the owner of the new PGP-key

Then your valid e-mail address

The next step is to enter a strong password that will be protected by a new private PGP-Key

After that will be invited to make a backup copy of the new ligament PGP-key

You must specify the path where you want to save a backup copy of the new PGP-key

After successful generation, the main menu GPA can see detailed information about the new bundles of PGP-key

New PGP-Key is the default

2. The choice of the private key in the PSI and export the public key

The private key is secret and belongs to the owner that it has generated, it is important that it is not accessible to third parties otherwise encryption intercepted messages can be decrypted. The public key is publicly available and can be transmitted to third parties without limitation, the public key is required to create a signature by means of which will be carried out and the encryption/decryption of messages interlocutors.

After installation Psi-client and adding Jabber-account, log in its properties

Then "Details->Key Selection...", selection window should be the key that is installed by default in the GPA (! if the key is not that you must restart the Psi-client and re-enter the menu in offline mode!) after a successful select the key you want to save the new changes Jabber-account

Export the public key is available from the main menu of the GPA

Next, you need to specify the path to the public key will be saved

3. Transfer the public key and the creation of a cryptographic signature posts

After you export the public key, you need to open it with a text editor and copy into the buffer exchange

Then pass through a Jabber-text message, or you can send the file by e-mail message or downloaded from the file-sharing servers

Received public key interlocutor, it is necessary to save and import into the program GPA

After successfully importing the public key interlocutor, you must sign it

Then, you must confirm that you want to sign the public key interlocutor

Next, enter the password that was used to generate a new bunch of PGP-key

4. Enabling encryption between the interlocutors

After the establishment of cryptographic signature public key interlocutor, you must restart the psi-client and offline mode select key interlocutor signed

Next to confirm the selection of the key manually

Then, in the window that appears, choose a key

At the time of accession to jabber-server, you must enter the password that was used to generate a bunch of PGP-key

To enable encryption of messages between interlocutors must be in the message box in the upper right corner click on the icon of the lock if the lock has appeared next to the name of your contact sheet this means that encryption is enabled

5. Encrypted and non-encrypted messages at the time of transfer

Enabling encryption in jabber has a distinct advantage, which excludes the interception of communications at any stage of their transmission that significantly raises the level of security of communication.

The body is encrypted and the encrypted message, the transmission of word "test"

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