{
  "annotation_id": "52009cbf-4048-4001-9444-2557aa658f8f",
  "date_created": "2026-03-02T18:01:59.934000Z",
  "date_modified": "2026-03-02T18:01:59.934000Z",
  "file_hash": "8a68eaa1744e54d0adc51a993a1d2fb54ca5377b69bbe0b24b68a1a6c92d4f5e",
  "private": false,
  "record": {
    "abstract": "We experimentally implemented an eavesdropping attack against the Ekert\nprotocol for quantum key distribution based on the Wigner inequality. We\ndemonstrate a serious lack of security of this protocol when the eavesdropper\ngains total control of the source. In addition we tested a modified Wigner\ninequality which should guarantee a secure quantum key distribution.",
    "arxiv_id": "quant-ph/0308030",
    "authors": [
      "F. A. Bovino",
      "A. M. Colla",
      "G. Castagnoli",
      "S. Castelletto",
      "I. P. Degiovanni",
      "M. L. Rastello"
    ],
    "categories": [
      "quant-ph"
    ],
    "doi": "10.1103/PhysRevA.68.034309",
    "title": "Experimental Eavesdropping Attack against Ekert\u0027s Protocol based on   Wigner\u0027s Inequality",
    "url": "https://arxiv.org/abs/quant-ph/0308030"
  },
  "schema_id": "dorsal/arxiv",
  "source": {
    "execution_id": "9b4e7eae-21b0-4b9a-81f0-fd9614f8f4b4",
    "id": "arXiv Dataset IDs",
    "type": "Model",
    "variant": "snapshot-2026-03-01",
    "version": "0.1.0"
  },
  "user_id": 1000002
}