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  3. April 2010

Re: SAVxxx TAPES: undoubtfully identifying NOT-local origin (e.g. jury Court room)

On Wed, Apr 14, 2010 at 20:56, DrFranken <midrange@xxxxxxxxxxxx> wrote:
ÂFrom a practical perspective would it make sense to have a program that
does some flavor of checksum or hash of the data by library for example
as it goes to the drive. Record that somewhere else with the tape volume
and date. Now on restore validate to what was recorded. Still not
infallible but the odds of a modified library matching the checksum/hash
have got to be astronomically microscopic. This is a pretty normal
process for software distributed for Linux for example.

You could also sign that checksum using PGP, and you could be sure.


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