[cryptography] Isn't it odd that...
Thor Lancelot Simon
tls at panix.com
Tue Jan 29 22:40:10 EST 2013
...despite all the attacks we've seen on compresion-before-encryption, and all the timing
atatacks we've seen on encryption, and the highly data-dependent computational effort
associated with compression (including in widespread, hardware-accelerated, and valuable
applications like lossy video compression, where the complexity of the input, even in
applications where hardware escrow of some kind hides a session key, is exposed by the
encoding of the output)...
..we haven't really seen any known-plaintext key recovery attacks facilitated by timing
analysis of compressors applied prior to encryption?
Thor Lancelot Simon tls at panix.com
It's very complicated. It's very cumbersome. There's a
lot of numbers involved with it.
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