The requirmeent for a warrant to read one's mail is sufficient.
However, once the gov committed to this (pre-election) it rendered the
key repositories unneccessary for that purpose, and called into
question their use for any purpose.
A repository of keys with somebody we genuinely trust may be a useful
thing - one willl occasionally be faced with a partner who has lost the
key to his encrypted patient records and expects one to sort it out,
and on a larger scale it may be desirable to have _the option_ of
saving a spare key in th ebank, and better than one of those magnetic
boxes under th echassis, or the computer equivalent, a sticky note on
the monitor.
Meditel for instance might well be a TTP for the surgeries they supply.
Certain other suppliers may not enjoy such general trust among their
users, not that one would consider naming any.
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