PGP HOWTO

29) You may note that PGP has indicated the status as “Good Signature from Invalid Key”. This is because the key used to verify the message is not trusted by you. To change this, right click the PGP lock icon in the task bar and select PGPKeys.

30) Right click the sender’s key and select Sign.

31) In the PGP Sign key window, select the sender’s key and then click OK.

32) You will then be prompted to enter your passphrase. Enter your passphrase and click OK.

33) Note that the circle under Validity turns green to indicate that you trust that key.

34) In order to verify the message a second time, copy the contents of the message to the clipboard.

35) Right click the PGP lock icon in the taskbar, select the clipboard menu, then select Decrypt and Verify.