distributed secret key

Kyle Hamilton aerowolf at gmail.com
Sun May 24 19:59:26 UTC 2020

>From glancing at the abstract, https://patents.google.com/patent/US5799086
looks like it might be the one?  It also says that it is expired,
expiration having been anticipated on 2014-01-13.

-Kyle H

On Sun, May 24, 2020, 11:54 Salz, Rich <rsalz at akamai.com> wrote:

>    - In any case, I am unaware of any existing system which meets your
>    requirement 3.  Admittedly, I haven't specifically searched for such.
> CertCo (now defunct, don’t know who has the intellectual property) had a
> patent that did ALL of the things.  RSA keygen, split the key, each key
> signs the data, looks like an RSA signature, then when enough have been
> done, combine them and it matches the original pre-split public key.  That,
> and the followon patents, are cool.  Don’t know if they’re expired or not.
> To answer the main question: OpenSSL doesn’t do anything remotely in this
> area.  The closest is multi-prime RSA.
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