search for: stenographic

Displaying 3 results from an estimated 3 matches for "stenographic".

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2001 Oct 16
1
Defeating Timing Attacks Patch for OpenSSH 2.9.9p2 and 2.9p2
...ssion_close_by_pid(pid, status); /* @@ -894,6 +998,17 @@ packet_put_int(c->local_maxpacket); packet_send(); } + /* + * SD Mod: if -S option is used, request + * client to not use stenographic timing manipulation as well. + */ + if(!options.use_steno_timing_manipulation) + { + debug("sending no steno msg"); + channel_request(c->remote_id,"no_steno",0); + } +...
2001 Oct 06
1
Defeating Timing Attacks
Hello, In response to the timing analysis attacks presented by Dawn Song et. al. in her paper http://paris.cs.berkeley.edu/~dawnsong/ssh-timing.html we at Silicon Defense developed a patch for openssh to avoid such measures. Timing Analysis Evasion changes were developed by C. Jason Coit and Roel Jonkman of Silicon Defense. These changes cause SSH to send packets unless request not to,
2001 Nov 09
4
keystroke timing attack
I'm reading this fine article on O'Reilly: http://linux.oreillynet.com/lpt/a//linux/2001/11/08/ssh_keystroke.html <quote> The paper concludes that the keystroke timing data observable from today's SSH implementations reveals a dangerously significant amount of information about user terminal sessions--enough to locate typed passwords in the session data stream and reduce the