1 @c Copyright (C) 2018 Free Software Foundation, Inc.
2 @c This is part of the GnuPG manual.
3 @c For copying conditions, see the file gnupg.texi.
5 Trust values are used to indicate ownertrust and validity of keys and
6 user IDs. They are displayed with letters or strings:
12 No ownertrust assigned / not yet calculated.
17 Trust calculation has failed; probably due to an expired key.
20 @itemx undefined, undef
21 Not enough information for calculation.
41 For validity only: the key or the user ID has been revoked.
45 The program encountered an unknown trust value.