0310168v2

related topics
{key, protocol, security}
{photon, photons, single}
{state, algorithm, problem}
{alice, bob, state}
{cos, sin, state}
{state, phys, rev}
{state, states, entangled}
{state, states, coherent}
{operator, operators, space}
{light, field, probe}
{force, casimir, field}

How much security does Y-00 protocol provide us ?

Tsuyoshi Nishioka, Toshio Hasegawa, Hirokazu Ishizuka, Kentaro Imafuku, Hideki Imai

abstract: New quantum cryptography, often called Y-00 protocol, has much higher performance than the conventional quantum cryptographies. It seems that the conventional quantum cryptographic attacks are inefficient at Y-00 protocol as its security is based on the different grounds from that of the conventional ones. We have, then, tried to cryptoanalyze Y-00 protocol in the view of cryptographic communication system. As a result, it turns out that the security of Y-00 protocol is equivalent to that of classical stream cipher.

oai_identifier:
oai:arXiv.org:quant-ph/0310168
categories:
quant-ph
comments:
4 pages, 4 figures
doi:
10.1016/j.physleta.2004.04.083
arxiv_id:
quant-ph/0310168
created:
2003-10-28
updated:
2003-10-30

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