Break-Open One-Shot Password Stores
lists at barnfather.net
Mon Feb 27 11:00:17 GMT 2012
On 27 February 2012 07:42, Ian Batten <igb at batten.eu.org> wrote:
> Has anyone seen such devices for sale?
How about the way banks issue PIN codes for ATM and credit cards? They
come in the form of a printed letter with a neat little plastic
tear-off tab which makes it very clear if the PIN has been read by
They seem to be a cheap and effective way of storing and communicating
a "read once" password.
I assume they are fairly resistant to casual tampering.
Does anyone know if they are printed with a conventional printer, or
do they require specialised hardware to produce?
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