It's now used for both XTEA and ISAAC keys, and there's nothing
XTEA-specific about it so there's no need to duplicate it.
Signed-off-by: Graham <gpe@openrs2.org>
I've decided to reverse my decision in
e3e0094b43.
If you treat empty loc groups as valid, some OSRS caches do have 100%
valid keys. Being able to pick these out in the list of caches will be
useful.
Signed-off-by: Graham <gpe@openrs2.org>
Graham