dorsal/arxiv
View SchemaAddendum to "Quantum secret sharing between multiparty and multiparty without entanglement"
| Authors | Fu-Guo Deng, Feng-Li Yan, Xi-Han Li, Chun-Yan Li, Hong-Yu Zhou, Ting Gao |
|---|---|
| Categories | |
| ArXiv ID | quant-ph/0508171 |
| URL | https://arxiv.org/abs/quant-ph/0508171 |
Abstract
Recently, Yan and Gao proposed a quantum secret sharing protocol between multiparty ($m$ members in group 1) and multiparty ($n$ members in group 2) using a sequence of single photons (Phys. Rev. A \textbf{72}, 012304 (2005)). We find that it is secure if the quantum signal transmitted is only a single photon but insecure with a multi-photon signal as some agents can get the information about the others' message if they attack the communication with a Trojan horse. However, security against this attack can be attained with a simple modification.
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"abstract": "Recently, Yan and Gao proposed a quantum secret sharing protocol between\nmultiparty ($m$ members in group 1) and multiparty ($n$ members in group 2)\nusing a sequence of single photons (Phys. Rev. A \\textbf{72}, 012304 (2005)).\nWe find that it is secure if the quantum signal transmitted is only a single\nphoton but insecure with a multi-photon signal as some agents can get the\ninformation about the others\u0027 message if they attack the communication with a\nTrojan horse. However, security against this attack can be attained with a\nsimple modification.",
"arxiv_id": "quant-ph/0508171",
"authors": [
"Fu-Guo Deng",
"Feng-Li Yan",
"Xi-Han Li",
"Chun-Yan Li",
"Hong-Yu Zhou",
"Ting Gao"
],
"categories": [
"quant-ph"
],
"title": "Addendum to \"Quantum secret sharing between multiparty and multiparty without entanglement\"",
"url": "https://arxiv.org/abs/quant-ph/0508171"
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