Where does one get such a port? (Are there instructions?) Rob
On 10/23/2011 09:28 AM, Avner Flesch wrote: > Hi, > > I used dropbear that was ported to tomsfastmath library(instead of tommath). > I reduced the login delay on my machine (powerpc 8xx 50MHz) to 5 seconds! > > I would like to reduce the delay more. Is anyone has any idea? > > Thanks > > Avner > > -----Original Message----- > *From*: Avner Flesch <[email protected] > <mailto:avner%20flesch%20%[email protected]%3e>> > *To*: Rob Landley <[email protected] > <mailto:rob%20landley%20%[email protected]%3e>> > *Cc*: Gary <[email protected] <mailto:gary%20%[email protected]%3e>>, > [email protected] <mailto:[email protected]> > *Subject*: Re: Long delay during login > *Date*: Tue, 11 Oct 2011 18:05:01 +0200 > > Hi, > > I have also the same issue with dropbear version 0.53.1 on powerpc 50MHz > 32bits the login took more then 30 seconds. > After I updated the libtomath library to version 0.42 and libtomcrypt > version to 1.17 > I reduced the delay to 13 seconds. > > But it still not enough - after a research I found that the delay is in > the routine "mp_exptmod_fast" from libtommath, there is a for(;;) loop > that take a while. > Is anyone know how can I overcome this issue? > > Thanks > > Avner > > -----Original Message----- > *From*: Rob Landley <[email protected] > <mailto:rob%20landley%20%[email protected]%3e>> > *To*: Gary <[email protected] <mailto:gary%20%[email protected]%3e>> > *Cc*: [email protected] <mailto:[email protected]> > *Subject*: Re: Long delay during login > *Date*: Sat, 01 Oct 2011 14:00:28 -0500 > > On 09/28/2011 01:31 PM, Gary wrote: >> Matt Johnston <matt <at> ucc.asn.au> writes: >> >> On Mon, Jun 13, 2005 at 10:21:53AM +0100, Simon Rowe wrote: >>> We're seeing a long delay when logging in using dropbear on to our embedded >>> system (60MHz PowerPC). Looking at the debug from the client end it appears >>> that the issue is the Diffie-Hellman key negotiation within dropbear >>> >>> debug1: expecting SSH2_MSG_KEXDH_REPLY >>> >>> [delay of about 8 seconds] >>> >>> Is there anything we can change to reduce this delay? >> >> >> Same problem here. My bet is that it's blocking on the random >> device. For me ssh'ng to a busy machine is fast, ssh'ng to an >> idle machine almost always has a BIG delay. > > Switch from /dev/random to /dev/urandom perhaps? > > Rob > > > >
