* g10/trustdb.c (tdb_utks): New function.
* g10/tofu.c (check_utks): New function.
(initdb): Call it.
* tests/openpgp/tofu.scm: Modify test to check the effective policy of
keys whose effective policy changes when we change the set of UTKs.
--
Signed-off-by: Neal H. Walfield <neal@g10code.com>
If the set of ultimately trusted keys changes, then it is possible
that a binding's effective policy changes. To deal with this, we
detect when the set of ultimately trusted keys changes and invalidate
all cached policies.