[vpn] Moving a RSA Key Pair

Raymakers, Guy guy.raymakers at eds.com
Mon Jan 21 03:25:43 EST 2002


Hi,

Following situation : a Cisco router used for VPN (IPSec) is using RSA_ENCR
as authentication method. This is using Shared Public Key's. To use this
method, a key-pair must be created on each involved Cisco router. The
problem is that if one of the routers has a hardware failure and need to be
replaced that also the key-pair on that router is lost. Is there a way to
retrieve from the old router (before it broke) the key-pair and put it on
the new router ?

The ideal solution for this problem is the usage of PKI's, but in some cases
(small VPN networks) the cost would be to high ..... so hence my question
...

Thanks,
Guy






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