cloudtools/ssh-ca — pull request #8 by synfinatic (2014-08-20 21:32:35+00:00)
Title: Multiple user certs in s3

Embed the serial # of the cert in the S3 key so a user can have multiple certs available for download. This won't let them have multiple certs loaded in ssh-agent for the same key, but at least they'll be able to switch between the two.