Older blog entries for mau (starting at number 1)

25 Dec 2002 (updated 26 Dec 2002 at 11:50 UTC) »
wireless VoIP

There are already portable VoIP phones which use 801.11b. And I read that there are chips in development which can do both 802.11b and GSM. (And Nokia already sells a PCMCIA card which can do both.)

I predict that telcos will soon be fighting free wireless networks like the RIAA is fighting file sharing networks today.

global namespaces

All global namespaces should really be built upon cryptographically secure hashes. Static content should be indentified by content hashes. (Even MSG-IDs of emails and usenet posts should be content hashes.) Every hash of a public key should be the root of a namespace which is owned by the owner of the public key. This would solve a lot of problems of the existing internet. A lot of 404s would never occur. All the problems of the domain name system would be solved too. And last but not least: All communication could be encrypted automatically and transparently to the user.

Notify Lists

Bram: I don't think that using email addresses as identifier for instant messaging is a good idea. Email addresses change sometimes, leak information about your identity and depend on the evil DNS.

It is much better to use the hash of your public key as identifier. This has a lot of advantages: The protocol can be made secure very easily: somebody who wants to communicate with you can just look up your host key and check the hash. With email addresses he has to fetch the key and must somehow make sure that he has the correct key which isn't really easy. Another advantage is that you can have as many addresses (pseudonyms) as you like.

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