encrypted tapes (was Re: Papers about "Algorithm hiding" ?)

[Jerrold Leichter]

| ...It is not that nobody ever thought of encrypting tapes, it is that there 
| has been no uptake on the idea because the management overhead costs 
| outweighed the perceived benefit.  The big vendors didn't bother offering it 
| because they didn't think they could make money, and the start-ups who have 
| been trying to fill the gap found the market to be small....
| 
| Now that the benefit of storage encryption is clearer, tape vendors 
| (StorageTek, HP, IBM, etc) are almost certainly looking at adding encryption 
| capability into their offerings.
DEC sold a product that added encryption to its standard backup utility back 
in the early '80's.  They also sold a full solution for encrypted Ethernet - 
KDC, encrypting Ethernet adapters, associated software.

None of this stuff went anywhere.  People just weren't interested.  Of course, 
the inherent cost of the hardware in that era for the Ethernet solution, and 
the complexity of dealing with export regs, didn't help.

							-- Jerry


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