http://www.rfc-editor.org/rfc/rfc5849.txt
RFC 5849: The OAuth 1.0 Protocol, E. Hammer-Lahav2010-04-01T23:00:00-00:00OAuth provides a method for clients to access server resources on behalf of a resource owner (such as a different client or an end-user). It also provides a process for end-users to authorize third-party access to their server resources without sharing their credentials (typically, a username and password pair), using user-agent redirections. This document is not an Internet Standards Track specification; it is published for informational purposes.