Atomichelix OpenPGP operates by using a private key to decrypt incoming messages
(encrypted with the matching public key) and digitally sign outgoing messages. In
order to get started with Atomichelix OpenPGP, you will need to either import a
private key or generate one.
These are the steps to generate a new keypair:
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Select "Private Keys" from the main screen menu enter the private key list screen.
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You will have no private keys in the list, so open up the menu.
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Select "Generate New..." from the private key list menu in order to continue.
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For generation, you will need to select:
- The algorithm type of the keypair ("RSA" or "DH/DSS"),
- The size of the keypair ("1024", "2048", or "4096"),
- If the algorithm type is "DH/DSS", the size of the DSA key ("512", "768", or "1024"),
- The identity for the keypair (an email address, defaulted to the device's email), and
- The passphrase for the keypair (twice for confirmation).
If the email address is valid and the passphrase was entered correctly twice,
you can then open the menu and select "Save" to generate the keypair.
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The device will then generate the keypair.
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You should then see a private key in the list, like this screenshot. Your exact
details of the key will be dependent on the parameters you selected, as well
as some randomly generated information.
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Opening the menu with a keypair selected on the "Private Keys" list screen will
allow you to:
- "Generate New..." keypair again,
- "View Details" of the key,
- "Send Public Key" from the selected keypair in an email message,
- "Set as Default" for signing outgoing messages (among other things),
- "Change Passphrase" on the private key,
- "Import Public Key" from the keypair into your own "Public Key List", or
- "Delete" the selected keypair.
It is recommended that once you generate a keypair that you plan to use and
distribute the public key for, you should backup your device (as the private keys,
public keys, and settings for Atomichelix OpenPGP are backed up and restored
when you synchronize your device).
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Viewing the details for the private key that was generated, you can verify
the selected parameters for the keypair as well as see the randomly generated
fingerprint.
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