- From: Poul-Henning Kamp <phk@phk.freebsd.dk>
- Date: Wed, 07 Mar 2012 16:32:49 +0000
- To: "Michael Wojcik" <Michael.Wojcik@microfocus.com>
- cc: "URI" <uri@w3.org>, "HTTP Working Group" <ietf-http-wg@w3.org>, "Ian Hickson" <ian@hixie.ch>
In message <0AB4526732901E45B9B3A55FFD725D67019CBB16@AUS-EXCHANGE.microfocus.co m>, "Michael Wojcik" writes: >> You cut and paste the link, and anybody who receives it can view >> the copyrighted object, and you have no idea who leaked it. > >Actually, I think it's potentially worse than that. Consider this case: > >- Publisher puts 100 copies of each resource on CDN, each encrypted with >a different key. What you propose is what's called "Thatcherizing" a document: During the Thatchers government, they tweaked the spacing in a confidential memo so that each recipients copy were unique, in order to expose who leaked it to the press. It is however, not an argument for the circus-crypto og http+aes -- Poul-Henning Kamp | UNIX since Zilog Zeus 3.20 phk@FreeBSD.ORG | TCP/IP since RFC 956 FreeBSD committer | BSD since 4.3-tahoe Never attribute to malice what can adequately be explained by incompetence.
Received on Wednesday, 7 March 2012 16:33:20 UTC