These days, I have been thinking about OpenID. It is able to gather privacy informations at one place and they would be maintained easily. On the other hand, thus it may become easy to cause a security crisis.

In order to find the solution, I have thought for a while. I think that the secret sharing scheme (SSS) could be useful for solving this problem. In other words, it could be reasonable way for achieving convenience and security to share the encrypted privacy informations between several OIPs by using SSS.

But I have no idea to make it run on the current OpenID spec. Hmm.

posted by Png takiuchi on Tue 25 Mar 2008 at 03:33

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