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Buffer keys at 100 ms intevalsBuffer keys at 100 ms intevalsPosted Sep 18, 2008 19:29 UTC (Thu) by docwhat (subscriber, #40373)In reply to: Buffer keys at 100 ms intevals by felixfix Parent article: OpenSSH and keystroke timings
Sure. Implement the key jitter-time-shift idea now. Then later you can add stuff that requires the receiver to understand it's chaff.
Ideally, the packets should be the same size, so keys and chaff should both be the same structure except that the chaff has an extra bit saying it's chaff.
An alternative that may be implementable now (I don't know much about the SSHv2 protocol) is to use a bogus encryption key so that it is rejected on the receiving side. That'll add additional confusion to anyone trying to break the stream as they'll have to separate the differently encrypted packets from one another.
Ciao!
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