[Cryptography] To what is Anderson referring here?

[Christian Huitema]

> The following text appears in the Ross Anderson paper I just 
> forwarded the link to:  "A security-economics example is the 
> thicket of conflicting patent claims on authentication protocols, 
> one of the two main reasons we’ve been unable to improve
>  browser security and deal with phishing...."  What patents is he
>  referring to?

Two examples come to mind. RSA deployments definitely became easier after
the patent expired, and we may be witnessing a variation of that with
elliptic curves. EKE would probably be deployed more often if people were
not concerned with the patents.

-- Christian Huitema