distributed secret key
arne at cyber.ee
Mon May 25 06:03:09 UTC 2020
It probably doesn't help you, because it requires complex deployment and
is not open-source, but I thought that it might be interesting to know
that there is a multi-prime RSA based technology that is actively used in
It is used for mobile authentication and digital signatures and has ~2.7M
Keys are generated in a distributed manner and no secrets are shared
between the parties during the process. Signature creation is also an
interactive process that implements several additional protection measures
to pass the Common Criteria evaluation at EAL4+ level.
In EU this technology can be used to create qualified digital signatures.
There is a whitepaper available at
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