[sr-dev] TLS key recommendation

Henning Westerholt henning.westerholt at 1und1.de
Tue Oct 13 12:57:01 CEST 2009


On Samstag, 10. Oktober 2009, Olle E. Johansson wrote:
> "
>     Try to avoid using keys larger then 1024 bytes. Large keys
> significantly slow down the TLS connection handshake, thus limiting
> the maximum SIP-router TLS connection rate.
> "
>
> Is this still a valid recommendation? Based on which size of CPU/system?

Hi Olle,

i'd think that today we should suggest a larger key. I've found this page:
http://www.keylength.com/en/compare/

according to it newer sources suggest a value of at least 1536 bits for 
asymmetric keys.

Regards,

Henning
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