# OpenId implementation
[Higher level classes]

Collaboration diagram for OpenId implementation:

## Classes

class | OpenIdConsumer
| openId consumer library entry point More...
interface | OpenIdConsumerAssociation
interface | OpenIdConsumerAssociationManager
class | OpenIdConsumerCancel
class | OpenIdConsumerFail
class | OpenIdConsumerPositive
interface | OpenIdConsumerResult
class | OpenIdConsumerSetupRequired
class | OpenIdCredentials
class | OpenIdException
interface | OpenIdExtension
class | OpenIdExtensionAttributeExchange
class | OpenIdExtensionSreg