{
  "$type": "site.standard.document",
  "description": "A method for sequential authentication based on chain of authentication using public key infrastructure (PKI) is provided. The method includes generating, by a user, a first private key and a first public key corresponding to each other; generating, by an nservice provider, an nprivate key and an…",
  "path": "/patents/1371085",
  "publishedAt": "2024-11-14T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "H04L9/3268",
    "Unho CHOI"
  ],
  "textContent": "A method for sequential authentication based on chain of authentication using public key infrastructure (PKI) is provided. The method includes generating, by a user, a first private key and a first public key corresponding to each other; generating, by an nservice provider, an nprivate key and an npublic key corresponding to each other; transmitting, from the user to the nservice provider, a level n key; verifying, by the nservice provider, the level n key; generating, by the nservice provider, a level (n+1) key by concatenating the level n key and the npublic key signed with the nprivate key; and transmitting, by the nservice provider, the level (n+1) key to the user, where n is a natural number, and when n=1, the level 1 key is the first public key signed with the first private key.",
  "title": "CHAIN OF AUTHENTICATION USING PUBLIC KEY INFRASTRUCTURE"
}