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Select your trust level, for example, select I Have Done Very Careful Checking. After
finishing this dialog, you need to enter your passphrase to finish the key signing process.
The newly imported key now displays a green trust level for a trusted key.
The trust level of the keys in your key ring is indicated by a colored bar next to the key
name. The lower the trust level is, the less you trust the signer of the key to have checked
the true identity of the keys signed. You may be entirely sure about the signer's identity,
but he may still be lazy in regard to checking other people's identities before signing
their keys. Therefore, you could still trust him and his own key, but assign lower trust
levels to the keys of others that have been signed by him. The trust level's purpose is
solely one of a reminder. It does not trigger any automatic actions by KGpg.
10.4 The Key Server Dialog
Several Internet-based key servers offer the public keys of many users. To engage in
encrypted communication with a large number of users, use these servers to distribute
your public key. For this purpose, export your public key to one of these servers. Simi-
larly, KGpg enables you to search one of these servers for the keys of certain people
and import their public keys from the server. Open the key server dialog with File →
Key Server Dialog.
10.4.1 Importing a Key from a Key Server
By means of the Import tab in the key server dialog, import public keys from one of
the Internet-based key servers. Select one of the preconfigured key servers and enter a
search string (e-mail address of the communication partner) or the ID of the key to find.
When you click Search, your system connects to the Internet and searches the specified
key server for a key that matches your specifications. Refer to
Figure 10.3, "Search
Screen for Importing a Key"
(page 190).
Encryption with KGpg
189
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