|
| related topics |
| {key, protocol, security} |
| {state, states, coherent} |
| {photon, photons, single} |
| {alice, bob, state} |
| {error, code, errors} |
| {measurement, state, measurements} |
|
Sequential attacks against differential-phase-shift quantum key
distribution with weak coherent states
Marcos Curty, Lucy-Liuxuan Zhang, Hoi-Kwong Lo, Norbert Lütkenhaus
abstract: We investigate limitations imposed by sequential attacks on the performance
of differential-phase-shift quantum key distribution protocols that use pulsed
coherent light. In particular, we analyze two sequential attacks based on
unambiguous state discrimination and minimum error discrimination,
respectively, of the signal states emitted by the source. Sequential attacks
represent a special type of intercept-resend attacks and, therefore, they do
not allow the distribution of a secret key.
- oai_identifier:
- oai:arXiv.org:quant-ph/0609094
- categories:
- quant-ph
- comments:
- 13 pages, 11 figures
- arxiv_id:
- quant-ph/0609094
- journal_ref:
- QIC Vol 7,p. 665-688 (2007)
- created:
- 2006-09-12
Full article ▸
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