Messages in this thread | | | Subject | Re: [PATCH] Delete cryptoloop | From | Junio C Hamano <> | Date | Tue, 27 Jul 2004 01:40:47 -0700 |
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>>>>> "MM" == Matt Mackall <mpm@selenic.com> writes:
MM> Here's a scenario: corrupt government agency secretly watermarks MM> incriminating documents. Brave whistleblower puts them on his laptop's MM> cryptoloop fs, but gets taken aside by customs agents on his way out MM> of the country. Agents check his disk for evidence of the watermark MM> and find enough evidence...
Jari's exploit uses the property that his watermarks are encrypted to identical ciphertext blocks, but does it mean that the technique can be used to prove that identical ciphertext are from the watermarks and not coming from mere coincidence?
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