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 16:33:19 UTC
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