Evaluation of Key Escrow n of m

A user agent need only wait for n of the m keys to be escrowed – the rest can be escrowed in the background at a later time.
Key recovery can be done despite m-n escrow agents failing or being unavailable.
Key recovery can be done as soon as n escrow agents have answered.

Abdullah Azfar, Multiple Escrow Agents in VoIP, Master’s thesis, KTH Royal Institute of Technology, TRITA-ICT-EX-2010:109, June 2010 http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-91102 Links to an external site.

[slide412] So, it has lovely nice properties, and as soon as we have our n keys, we can recover it.