Add a key suitable for x509 use, 1024 bits for the switch key (because SNMP restricts size of PEM data) and 4096 for cert (being over paranoid)
git-svn-id: https://svn.code.sf.net/p/xcat/code/xcat-core/trunk@10415 8638fb3e-16cb-4fca-ae20-7b5d299a9bcd
