Praxis mit GnuPG Web Of Trust: $ gpg --update-trustdb No trust value assigned to: 1024D/4BB86568 2004-11-15 "Sascha Wilde " Primary key fingerprint: 8C21 0307 37FB EB0C A0AF DC90 BB21 8514 4BB8 6568 Please decide how far you trust this user to correctly verify other users' keys (by looking at passports, checking fingerprints from different sources...)? 1 = Don't know 2 = I do NOT trust 3 = I trust marginally 4 = I trust fully s = skip this key q = quit Your decision?