
42 Chapter 3
want to use OpenPGP with anyone who uses software from any
OpenPGP vendor, click the Advanced button. You’ll see the
Advanced Key Settings dialog box, as shown in Figure 3-3.
Figure 3-3: The Advanced Key Settings dialog box
Key Type
OpenPGP supports many different types of keys, including keys
that are valid for signing messages but not encrypting them,
keys compatible with older versions of OpenPGP, and so on.
The modern standard for average email use is RSA.
Key Size
This is the key length in bits, as discussed in “ Your Keypair” on
page 32. The default is 2048 and should be sufficient for most
people. Longer keypairs are useful only ...