Data Structures

Here are the data structures with brief descriptions:

Cmcel_store_callbacks
Cudif_anchor_record	Anchor record
Cudif_capability	Capability token
Cudif_capability_mask	Fixed-size capability bitset (issuer-/role-scoped). Capability bits; bit positions map to udif_capability_id
Cudif_certificate	UDIF entity certificate
Cudif_checkpoint_config	Configuration for automatic checkpoint creation
Cudif_checkpoint_group	Coordinated checkpoint across all three ledgers
Cudif_claim	A typed claim with deterministic canonical encoding
Cudif_claim_anchor	Anchor (e.g., Merkle root) binding a claim set to an identity. Anchor/merkle root over canonical claim set
Cudif_claim_set	A collection of claims bound to an identity by an anchor
Cudif_encoded_blob	Generic encoded object buffer (for decode/encode APIs)
Cudif_file_handle	Cached file handle with metadata
Cudif_identity_id	Subject identity identifier (opaque, canonicalized). Subject identifier bytes
Cudif_identity_record	Core identity record bound to a namespace and issuer
Cudif_issuer_domain_code	Issuer domain/controller identifier. Issuer domain code (ASCII or compact code)
Cudif_kem_keypair	KEM key pair
Cudif_logging_entry	Audit log entry
Cudif_logging_state	Log state structure
Cudif_mcel_ledger	Per-ledger state tracking
Cudif_mcel_manager	MCEL manager implementation
Cudif_merkle_node	Merkle proof node structure
Cudif_namespace_code	Namespace partition identifier. Namespace code (ASCII or compact code)
Cudif_object	UDIF object container
Cudif_permission_mask	Fixed-size permission bitset (subject-/resource-scoped). Permission bits; bit positions map to udif_permission_class
Cudif_policy_hash	Policy identifier (hash of canonical policy). SHA3/SHAKE hash of policy document
Cudif_query	Query request
Cudif_query_response	Query response
Cudif_registry_state	User Agent object registry
Cudif_server_application_state	The UDIF server state
Cudif_session_state	Secure session state
Cudif_signature_keypair	The UDIF asymmetric signature scheme key container
Cudif_storage_context	File-based storage context for MCEL integration
Cudif_time_window	A validity interval expressed in UTC seconds
Cudif_token	Serialized token container with optional envelope protection
Cudif_token_header	Common header for UDIF tokens (capability/attestation/session)
Cudif_topology_list_state	The UDIF topology list structure
Cudif_topology_node_state	The UDIF topology node structure
Cudif_transfer_record	Object transfer record
Cudif_treaty	Cross-domain treaty
Cudif_valid_time	The certificate expiration time structure