That depends on the system. Consider how HDCP encryption was broken; https://en.wikipedia.org/wiki/High-bandwidth_Digital_Content_Protection
It used a scheme where access to enough keys allowed you to calculate the master key, breaking the entire scheme. 2013/6/25 Bill Scannell <b...@scannell.org> > This Daily Beast story on Causa Snowden ( > http://www.thedailybeast.com/articles/2013/06/25/greenwald-snowden-s-files-are-out-there-if-anything-happens-to-him.html) > contains the following sentence: > > "Last week NSA Director Keith Alexander told the House Permanent Select > Committee on Intelligence that Snowden was able to access files inside the > NSA by fabricating digital keys that gave him access to areas he was not > allowed to visit as a low-level contractor and systems administrator. " > > How would one fabricate a digital key? > > > -Bill > _______________________________________________ > cryptography mailing list > cryptography@randombit.net > http://lists.randombit.net/mailman/listinfo/cryptography >
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