{
  "$type": "site.standard.document",
  "description": "A server issues a service key for using a designated vehicle and a plurality of one-time authentication keys based on a request from the mobile terminal, and distributes the one-time authentication key to the mobile terminal. The one-time authentication key is a disposable authentication key…",
  "path": "/patents/1366257",
  "publishedAt": "2024-07-11T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "B60R25/241",
    "DENSO CORPORATION"
  ],
  "textContent": "A server issues a service key for using a designated vehicle and a plurality of one-time authentication keys based on a request from the mobile terminal, and distributes the one-time authentication key to the mobile terminal. The one-time authentication key is a disposable authentication key generated based on the service key, and has an expiration date. The one-time authentication key is consumed when the vehicular device authenticates the mobile terminal as a communication partner. The mobile terminal replaces the one-time authentication key stored in the mobile terminal at any time.",
  "title": "VEHICULAR DIGITAL KEY SYSTEM, VEHICULAR DIGITAL KEY MANAGEMENT METHOD, VEHICULAR DEVICE, AND MOBILE TERMINAL"
}