This inheritance list is sorted roughly, but not completely, alphabetically:

[detail level 1234]

▼C<HIDAlgorithmParameters>
▼C<HIDHOTPAlgorithmParameters>
C<HIDTOTPAlgorithmParameters>
C<HIDOCRAAlgorithmParameters>	Defines the OCRA algorithm parameters
C<HIDContainer>	Encapsulates an active service container instance
C<HIDDevice>	Parent device object used to query device information and discover any active containers
▼C<HIDEvent>	Base class for a synchronization event sent from the server
CHIDPasswordPromptEvent	A synchronization password request event sent from the server
CHIDProgressEvent	A synchronization progress event sent from the server
C<HIDKey>	Key instance
▼C<HIDLockPolicy>	Lock Policy with specific access constraints
C<HIDCounterLockPolicy>	The access to the credential will be locked after a configurable number of failed attempts
C<HIDDelayLockPolicy>	The access to the credential will be limited by applying an exponential delay for each failed attempt
C<HIDOCRASuite>	Represents the OCRA suite and associated runtime parameters
▼C<HIDOTPInputAlgorithmParametersHIDAsyncOTPGenerator>
C<HIDOCRAGenerator>
C<HIDProgressListener>	This interface provides an integration point for receiving status information sent from the server during the synchronization
▼C<HIDServerAction>	Encapsulates an action extracted from an encrypted server message
C<HIDTransaction>	Encapsulates a transaction and exposes an API to apply an action status and context
C<HIDServerActionInfo>	Action details from server
▼CNSObject
CHIDConnectionConfiguration	Configuration of server connections
▼CHIDContainerConfiguration	Base container configuration
CHIDContainerInitialization	Configuration for creation of a Container
CHIDContainerRenewal	Configuration for renew of a Container
CHIDDeviceFactory	Factory for creating a new device instance
▼CHIDEventResult	Represents the result of HIDProgressListener client-side event processing
CHIDPasswordPromptResult	Represents the requested password information for a HIDPasswordPromptEvent
CHIDIdentifier	Object identifier
CHIDKeySpec	Key Spec object for use with addKey:withProtectionPolicyId:withPassword:error: (HIDContainer-p)
▼CHIDOTPInputAlgorithmParameters	Base class for algorithm parameters provided by the API consumer
CHIDOCRAInputAlgorithmParameters	Defines the OCRA algorithm parameters
CHIDParameter	Represents a parameter consisting of an id/value pair
CHIDPasswordPromptEvent	A synchronization password request event sent from the server
CHIDProgressEvent	A synchronization progress event sent from the server
CHIDTransactionFilter	(Reserved for future use)
▼C<NSObject>
▼C<HIDOTPGenerator>	A base protocol for OTP generators
C<HIDSyncOTPGenerator>	Extends the OTP generator to support synchronous time or event based generation. (HOTP, TOTP)
▼C<HIDProtectionPolicy>	The protection policy defines the security parameters associated with a key or data item
C<HIDDevicePolicy>	Protection Policy with device derived key protection
▼C<HIDPasswordPolicy>	Protection Policy with password specific constraints
C<HIDBioPasswordPolicy>	Protection policy with authentication with biometrics or password
▼C<NSObjectHIDOTPGenerator>
C<HIDAsyncOTPGenerator>	Extends the OTP generator to support asynchronous challenge-response generation. (OCRA) Computes OTP using externally provided challenge or transaction data