Sumit Kataria erklärt in seinem Blog die Funktionsweise von OAuth.
It is a standard method of authenticating users across different services means that mashup builders need only write one authentication process, then apply it to all data sources that support the standard. That’s hot and new, and it’s now spreading faster around the web than we thought.
…außerdem arbeitet er gerade an einer OAuth-Library für Drupal-Services.
Right now we are working with Andy Smith’s OAuth php library to implement OAuth to Drupal and Services API.