{
  "annotation_id": "435f9a37-aa23-4556-9926-296d4d8a4af2",
  "date_created": "2026-03-02T18:02:07.098000Z",
  "date_modified": "2026-03-02T18:02:07.098000Z",
  "file_hash": "0c8572aa3d6eca1d79b369d32554c182cb1d0fd66784c72a52c7951733cb4581",
  "private": false,
  "record": {
    "abstract": "We present a protocol for quantum cryptographic network consisting of a\nquantum network center and many users, in which any pair of parties with\nmembers chosen from the whole users on request can secure a quantum key\ndistribution by help of the center. The protocol is based on the quantum\nauthentication scheme given by Barnum et al. [Proc. 43rd IEEE Symp. FOCS\u002702, p.\n449 (2002)]. We show that exploiting the quantum authentication scheme the\ncenter can safely make two parties share nearly perfect entangled states used\nin the quantum key distribution. This implies that the quantum cryptographic\nnetwork protocol is secure against all kinds of eavesdropping.",
    "arxiv_id": "quant-ph/0403172",
    "authors": [
      "Sora Choi",
      "Soojoon Lee",
      "Dong Pyo Chi"
    ],
    "categories": [
      "quant-ph"
    ],
    "title": "Secure quantum cryptographic network based on quantum key distribution",
    "url": "https://arxiv.org/abs/quant-ph/0403172"
  },
  "schema_id": "dorsal/arxiv",
  "source": {
    "execution_id": "b2fcecfc-da1f-420b-9ec8-d08adff70020",
    "id": "arXiv Dataset IDs",
    "type": "Model",
    "variant": "snapshot-2026-03-01",
    "version": "0.1.0"
  },
  "user_id": 1000002
}