Something which may be of interest is the behaviour of the (currently)
undocumented -dcert and -dkey options of s_server. This may not have
been mentioned before so better to mention it twice than not at all :-)

What these options do is to allow s_server to use two certificates of
different types. The 'd' is presumably meant to mean "DSA" but it
doesn't really distinguish: its just a way of feeding in another cert
and key.

Why is this useful? Well if a server has a DSA certificate then the
non-RSA modes can be used: so clients don't need to support RSA and
"patent free" clients can connect. However if it only has a DSA
certificate then the normal (browser) RSA modes cannot be used. If it
has both then both can be used.

All this means for people using OpenSSL in a server is that it is
advisable to permit the use of two certificates and private keys so they
can take advantage of this behaviour.

Steve.
-- 
Dr Stephen N. Henson. UK based freelance Cryptographic Consultant. 
For info see homepage at http://www.drh-consultancy.demon.co.uk/
Email: [EMAIL PROTECTED]
NOTE NEW (13/12/98) PGP key: via homepage.


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