[tor-bugs] #17799 [Tor]: Hash All PRNG output before use
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Sun Dec 20 13:28:43 UTC 2015
#17799: Hash All PRNG output before use
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Reporter: teor | Owner:
Type: defect | Status: needs_revision
Priority: Medium | Milestone: Tor: 0.2.8.x-final
Component: Tor | Version: Tor: unspecified
Severity: Normal | Resolution:
Keywords: | Actual Points:
Parent ID: | Points:
Sponsor: |
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Comment (by nickm):
The Keccak sponge function is an invertible permutation, right? If so,
unless I'm crazy or missing something, I don't think their design would
provide backtracking resistance except when new entropy is added. Looks a
teeny bit faster though, but probably not a huge amount.
--
Ticket URL: <https://trac.torproject.org/projects/tor/ticket/17799#comment:8>
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