{
  "annotation_id": "0f5e68ac-e646-4109-b62a-e6e1c490259a",
  "date_created": "2026-03-02T18:02:41.046000Z",
  "date_modified": "2026-03-02T18:02:41.046000Z",
  "file_hash": "a294d9943ef5117db5bc7d00e07a4344dde4a8c00d5919331189bcffe7e3f981",
  "private": false,
  "record": {
    "abstract": "The conventional protection of information by cryptographical keys makes no\nsense if a key can be quickly discovered by an unauthorized person. This way of\npenetration to the protected systems was made possible by a quantum computers\nin view of results of P.Shor and L.Grover. This work presents the method of\nprotection of an information in a database from a spy even he knows all about\nits control system and has a quantum computer, whereas a database can not\ndistinguish between operations of spy and legal user.",
    "arxiv_id": "quant-ph/9712016",
    "authors": [
      "Yuri Ozhigov"
    ],
    "categories": [
      "quant-ph"
    ],
    "journal_ref": "Complex Syst. 11 (1997) 223-232",
    "title": "Protection of information in quantum qatabases",
    "url": "https://arxiv.org/abs/quant-ph/9712016"
  },
  "schema_id": "dorsal/arxiv",
  "source": {
    "execution_id": "14981c8d-a10b-4024-b9bf-ce3c478dc4cd",
    "id": "arXiv Dataset IDs",
    "type": "Model",
    "variant": "snapshot-2026-03-01",
    "version": "0.1.0"
  },
  "user_id": 1000002
}