dorsal/arxiv
View SchemaLarge N Quantum Cryptography
| Authors | Adrian Kent |
|---|---|
| Categories | |
| ArXiv ID | quant-ph/0212043 |
| URL | https://arxiv.org/abs/quant-ph/0212043 |
| Journal | in "Quantum Communication, Measurement and Computing (QCMC'02)", J. Shapiro and O. Hirota (eds), Rinton Press (2003) |
Abstract
In quantum cryptography, the level of security attainable by a protocol which implements a particular task $N$ times bears no simple relation to the level of security attainable by a protocol implementing the task once. Useful partial security, and even near-perfect security in an appropriate sense, can be obtained for $N$ copies of a task which itself cannot be securely implemented. We illustrate this with protocols for quantum bit string commitment and quantum random number generation between mistrustful parties.
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"abstract": "In quantum cryptography, the level of security attainable by a protocol which\nimplements a particular task $N$ times bears no simple relation to the level of\nsecurity attainable by a protocol implementing the task once. Useful partial\nsecurity, and even near-perfect security in an appropriate sense, can be\nobtained for $N$ copies of a task which itself cannot be securely implemented.\nWe illustrate this with protocols for quantum bit string commitment and quantum\nrandom number generation between mistrustful parties.",
"arxiv_id": "quant-ph/0212043",
"authors": [
"Adrian Kent"
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"quant-ph",
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"journal_ref": "in \"Quantum Communication, Measurement and Computing (QCMC\u002702)\",\n J. Shapiro and O. Hirota (eds), Rinton Press (2003)",
"title": "Large N Quantum Cryptography",
"url": "https://arxiv.org/abs/quant-ph/0212043"
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