Patent ID: 11895247
Assignee: DENSO CORPORATION
Field: Digital communication (Electrical engineering)
Classification: CPC H  G | IPC G  H

Claim 14:
15. A method for providing a ledger for granting rights with respect to an equipment component, the method comprising:
providing the ledger with a chain of nodes that begins with a root grant based on a root certificate;
generating a new node for the ledger including ledger information, that wherein:
the ledger information includes one or more rights for the equipment component and a layered package having a plurality of layers, wherein each layer is encrypted in accordance with one key of an asymmetric key pair,
the new node is based at least in part on a hash of one or more prior nodes of the ledger, and
a node of the ledger subsequent to the new node is based at least in part on a hash that is based at least in part on the one or more rights for the equipment component;

adding the new node to the chain of nodes; and, verifying the chain of nodes of the ledger based at least in part on the root grant.