authd is a tool that can obtain and verify user credentials which contain cryptographic signatures based on RSA public key cryptography. It includes (i) a server (authd) for authenticating local users through Unix domain sockets and process credentials and (ii) a client library (libauth.a) for requesting new credentials and verifying credentials signed by the server.

In the context of clusters, authd is typically used by installing a single cluster-wide RSA public/private key pair on all nodes and running authd everywhere. Given this arrangement, client programs running on any node can obtain and present timestamped credentials to cluster services which can then verify user identities using the cluster-wide public key. Compared to other approaches for authentication, authd's scheme is attractive since it obviates the need for users to manage their own public/private key pairs.

What's New in This Release:

· The license was changed from the GPL to the BSD license.



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