creation of ssl-parameters fails

Aki Tuomi aki.tuomi at dovecot.fi
Sun Aug 19 20:55:19 EEST 2018


> On 19 August 2018 at 19:38 Kai Schaetzl <maillists at conactive.com> wrote:
> 
> 
> Aki Tuomi wrote on Sun, 19 Aug 2018 18:21:31 +0300:
> 
> > Just generate new parameters on some machine with good entropy source.
> 
> So, if it fails to transform (although bigger) the machine hasn't enough 
> entropy (because it's quite new?)? I'm generating now on the original 
> machine from last year which is still going on while a second run on one 
> of the machines where it failed to transform is already finished. So, that 
> would indicate it has less entropy?
> Can I re-use the ssl-parameters.dat for several machines or should I 
> create a new one for each?
> For the time being I just copied the dh.pem over, to get going, but I 
> guess this should only be a temporary workaround?
> 
> Thanks!
> 
> Kai
> 
>

The transformation probably fails because your ssl-parameters.dat file is somewhat different than what it usually is, so probably the offset should be bigger than 88. You could try using skip=152 and see if it works.

It is not strictly speaking mandatory to have per-installation dh parameters, you can reuse the generated parameters within your site.

Aki


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