Identity-based public key cryptography

[Ben Laurie]

Pete Chown wrote:
> 
> John Williams wrote:
> 
> > Then all of a sudden we are being told about ID-PKC where no complicated PKI
> > is needed.  Public keys can be computed and we get our private keys from a
> > CA.  The CA can be split into pieces so that only someone with all of the
> > pieces gets to have the working private key.  How secure is this system and
> > is it in use anywhere?
> 
> It's not new.  IIRC it is described in the Handbook of Applied
> Cryptography (the Handbook, not Schneier's Applied Cryptography).

The concept is - this particular method isn't (at a brief glance).

Cheers,

Ben.

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