[cryptography] Oracle Padding attack

travis+ml-rbcryptography at subspacefield.org travis+ml-rbcryptography at subspacefield.org
Tue Sep 14 19:20:08 EDT 2010


Ptacek's matasano post is gone (due to ZFO) but here's my attempt to
reconstruct from memory:

http://slashdot.org/comments.pl?sid=1785706&cid=33580074

Vaudenay's original paper should be consulted for accuracy.

Minor improvement: once you know one valid pad octet, you know the
entire padding; no need to solve them.
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