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Re: Video & cryptography... (fwd)
Forwarded message:
> From: Adam Shostack <[email protected]>
> Subject: Re: Video & cryptography...
> Date: Mon, 26 Jan 1998 13:56:57 -0500 (EST)
> Schneier, Wagner and Kelsey have done some work on an authenticating
> camera.
>
> One issue to be concerned with is that what the camera sees is not
> always the truth. Putting a film set together to film bigfoot is
> easy. The fact that the film is authenticated as having come from the
> camera doesn't mean a whole lot in some cases.
Doesn't this same sort of issue arise from any other digital signature
process then? There should be nothing fundamentaly different between the
characteristics of a video camera signing a frame than a person signing
email.
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