You can generate a keypair using amazons tools, condor should allow you to specify the keypair to use by it's name. e.g. - ec2_keypair = tstclair_key
Technical note added. If any revisions are required, please edit the "Technical Notes" field accordingly. All revisions will be proofread by the Engineering Content Services team. New Contents: C: The ability to use a key which has already been generated via ec2-tools. C: User can not use a specific key assigned to them. C: Add support to allow the user to specify the key by name R: Condor allows the user to specify a pregenerated key by name.
Existing AWS keys can be specified and they are correctly assigned to the running instances. Verified on latest RHEL 5.x/6.x, i386/x86_64. condor-7.8.8-0.1
Since the problem described in this bug report should be resolved in a recent advisory, it has been closed with a resolution of ERRATA. For information on the advisory, and where to find the updated files, follow the link below. If the solution does not work for you, open a new bug report. http://rhn.redhat.com/errata/RHSA-2013-0564.html