On 11/02/07, Michael Sparks wrote: > On Saturday 10 February 2007 22:28, Tim Thornton wrote: > > > Your machine will do what you tell it to. It's just that there are > > secrets you can't access. > > Regarding the point above, that's the issue here. Whilst you're happy with > owning a computer that will keep secrets from you, I'm not. > > That's a minor detail though - kinda you say potato I saw potato - we're > unlikely to agree.
Much like attitudes to IP ownership, I suspect! :) > (We both agree they keep their secrets from the user, > from your perspective I still retain control, from mine I don't.) Unfortunately, for it to provide security to the level that it does, those private keys must be unavailable outside the TPM. I do understand where you're coming from, but you can think of it like any hardware resource; it has certain properties. I can write to a CD-R, but I can't erase that data (in software) once written. Or at a slightly different level, my file system prevents me from modifying files I don't have permission to access. > Thanks for the references and explanation - I'll read up on the references, > you never know when the positive uses of the technology will be handy. A genuine pleasure to have helped. Cheers, Tim -- IMPORTANT NOTICE: The contents of this email and any attachments are confidential and may also be privileged. If you are not the intended recipient, please notify the sender immediately and do not disclose the contents to any other person, use it for any purpose, or store or copy the information in any medium. Thank you. - Sent via the backstage.bbc.co.uk discussion group. To unsubscribe, please visit http://backstage.bbc.co.uk/archives/2005/01/mailing_list.html. Unofficial list archive: http://www.mail-archive.com/backstage@lists.bbc.co.uk/
