pie in sky suites - long lived public key pairs for persistent identity

coderman coderman at gmail.com
Thu Jan 16 04:38:12 PST 2014


On Fri, Jan 3, 2014 at 11:42 AM, coderman <coderman at gmail.com> wrote:
> use case is long term (decade+) identity ... key signs
>  working keys tuned for speed with limited secret
>  life span (month+).


i should have better clarified intent:

- long term keys are offline, otherwise better protected (for
arbitrary degrees of "beyond the everyday level").  thwarting active
attacks or chosen input attacks is explicitly intended.

- long term keys can be large, or slow, or demand elevated protections
and blinding, or other mechanisms which aggravate to point of
disabling or calling to costly with respect to the working / short
term keys.  applying all reasonable protections is specifically
intended.

- long term keys may be M of N threshold schemes for group or ceremony
based attestations for other long term keys, working keys, or secure
identifiers in general.  said another way, long term keys are
specifically intended as trust anchors in public key systems of
various types.


thanks all for the input that followed; i appreciate it!


best regards,



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