JPH09502320A - 量子暗号を使用する多元接続ネットワークにおけるキー配送 - Google Patents
量子暗号を使用する多元接続ネットワークにおけるキー配送Info
- Publication number
- JPH09502320A JPH09502320A JP7508541A JP50854195A JPH09502320A JP H09502320 A JPH09502320 A JP H09502320A JP 7508541 A JP7508541 A JP 7508541A JP 50854195 A JP50854195 A JP 50854195A JP H09502320 A JPH09502320 A JP H09502320A
- Authority
- JP
- Japan
- Prior art keywords
- transmitter
- receiver
- quantum
- network
- receivers
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
- H04L9/08—Key distribution or management, e.g. generation, sharing or updating, of cryptographic keys or passwords
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1347—Arrangement of liquid crystal layers or cells in which the final condition of one light beam is achieved by the addition of the effects of two or more layers or cells
- G02F1/13471—Arrangement of liquid crystal layers or cells in which the final condition of one light beam is achieved by the addition of the effects of two or more layers or cells in which all the liquid crystal cells or layers remain transparent, e.g. FLC, ECB, DAP, HAN, TN, STN, SBE-LC cells
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
- H04L9/08—Key distribution or management, e.g. generation, sharing or updating, of cryptographic keys or passwords
- H04L9/0816—Key establishment, i.e. cryptographic processes or cryptographic protocols whereby a shared secret becomes available to two or more parties, for subsequent use
- H04L9/0852—Quantum cryptography
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
- H04L9/08—Key distribution or management, e.g. generation, sharing or updating, of cryptographic keys or passwords
- H04L9/0816—Key establishment, i.e. cryptographic processes or cryptographic protocols whereby a shared secret becomes available to two or more parties, for subsequent use
- H04L9/0852—Quantum cryptography
- H04L9/0858—Details about key distillation or coding, e.g. reconciliation, error correction, privacy amplification, polarisation coding or phase coding
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/137—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells characterised by the electro-optical or magneto-optical effect, e.g. field-induced phase transition, orientation effect, guest-host interaction or dynamic scattering
- G02F1/139—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells characterised by the electro-optical or magneto-optical effect, e.g. field-induced phase transition, orientation effect, guest-host interaction or dynamic scattering based on orientation effects in which the liquid crystal remains transparent
- G02F1/141—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells characterised by the electro-optical or magneto-optical effect, e.g. field-induced phase transition, orientation effect, guest-host interaction or dynamic scattering based on orientation effects in which the liquid crystal remains transparent using ferroelectric liquid crystals
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/137—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells characterised by the electro-optical or magneto-optical effect, e.g. field-induced phase transition, orientation effect, guest-host interaction or dynamic scattering
- G02F1/139—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells characterised by the electro-optical or magneto-optical effect, e.g. field-induced phase transition, orientation effect, guest-host interaction or dynamic scattering based on orientation effects in which the liquid crystal remains transparent
- G02F1/141—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells characterised by the electro-optical or magneto-optical effect, e.g. field-induced phase transition, orientation effect, guest-host interaction or dynamic scattering based on orientation effects in which the liquid crystal remains transparent using ferroelectric liquid crystals
- G02F1/1418—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells characterised by the electro-optical or magneto-optical effect, e.g. field-induced phase transition, orientation effect, guest-host interaction or dynamic scattering based on orientation effects in which the liquid crystal remains transparent using ferroelectric liquid crystals using smectic liquid crystals, e.g. based on the electroclinic effect
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F2203/00—Function characteristic
- G02F2203/07—Polarisation dependent
Abstract
Description
Claims (1)
- 【特許請求の範囲】 1.量子暗号を使用する通信の方法において、 送信機(T)が、共通通信ネットワークの量子チャネル上で、共通通信ネット ワーク上に配置された複数の受信機(R1 ,R2 ,R3 )と通信し、各受信機に 対してそれぞれ異なる秘密キーを確立することを特徴とする方法。 2.ネットワークが光ネットワークである請求項1記載の方法。 3.受信機を送信機に同期化させるために、送信機から複数の受信機へ多重光パ ルスを同報通信する最初のステップをさらに含む請求項1または2記載の方法。 4.多重光パルスを同報通信するステップが、単一光パルスの後続する受信のた めに受信機が較正される較正フェーズの一部を形成する請求項2記載の方法。 5.量子チャネルが、ネットワーク上に同時に伝送される1以上の古典チャネル と多重化される請求項1ないし4のいずれか1項記載の方法。 6.量子チャネルが、1つ古典チャネルまたは各古典チャネルと異なる波長で伝 送される請求項5記載の方法。 7.同時に送信される古典チャネルが、量子チャネル上の伝送の受信中に、受信 機を送信機に再同期化させるタイミング情報を含む請求項5または6記載の方法 。 8.1以上の受信機の感度を修正し、それにより、実質的に、ネットワーク上の すべての受信機の感度を同じにするステップをさらに含む請求項1ないし7のい ずれか1項記載の方法。 9.nをよりも大きい整数として、量子チャネル上に送信されるn番目ごとのパ ルスが、より高い強度で送信され、タイミング基準を供給するために、より高い 強度のパルスは、受信機で弁別される請求項1記載の方法。 10.送信機(T)と、複数の受信機(R1 −R3 )と、送信機を受信機にリンク する多元接続ネットワークとを具備する通信システムにおいて、 送信機が、異なる量子状態で符号化された単一光子パルスを発生する手段(7 ,8,9)を含み、 使用において、送信機が、複数の受信機のそれぞれに対し、多元接続ネットワ ークを介して、異なる量子暗号キーを確立することを特徴とする通信システム。 11.各受信機(R1 −R3 )が、各単一光子検出器を含む請求項10記載の通信シ ステム。 12.受信機の少なくともいくつかが、各単一光子変調装置を含み、送信機が、各 受信機により変調され返信された単一光子信号用の検出器を含む請求項10記載の 通信システム。
Applications Claiming Priority (9)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP93307121 | 1993-09-09 | ||
EP93307120 | 1993-09-09 | ||
PCT/GB1993/002075 WO1994008409A1 (en) | 1992-10-07 | 1993-10-06 | Quantum cryptography using discarded data |
PCT/GB1993/002637 WO1994015422A1 (en) | 1992-12-24 | 1993-12-23 | System and method for key distribution using quantum cryptography |
WO93307120.1 | 1993-12-23 | ||
WO93/02075 | 1993-12-23 | ||
WO93307121.9 | 1993-12-23 | ||
WO93/02637 | 1993-12-23 | ||
PCT/GB1994/001952 WO1995007582A1 (en) | 1993-09-09 | 1994-09-08 | Key distribution in a multiple access network using quantum cryptography |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH09502320A true JPH09502320A (ja) | 1997-03-04 |
JP3645261B2 JP3645261B2 (ja) | 2005-05-11 |
Family
ID=26134445
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP50854195A Expired - Fee Related JP3645261B2 (ja) | 1993-09-09 | 1994-09-08 | 量子暗号を使用する多元接続ネットワークにおけるキー配送 |
Country Status (6)
Country | Link |
---|---|
US (1) | US5768378A (ja) |
EP (2) | EP0717895B1 (ja) |
JP (1) | JP3645261B2 (ja) |
KR (1) | KR960705433A (ja) |
DE (1) | DE69414864T2 (ja) |
ES (1) | ES2126143T3 (ja) |
Cited By (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2003018144A (ja) * | 2001-06-29 | 2003-01-17 | Nec Corp | 量子暗号多ノードネットワーク及び多ノードネットワーク上の鍵配布方法及び量子暗号装置 |
JP2003037559A (ja) * | 2001-07-25 | 2003-02-07 | Mitsubishi Electric Corp | 信号状態制御装置及び信号状態制御方法 |
JP2003046501A (ja) * | 2001-07-31 | 2003-02-14 | Mitsubishi Electric Corp | 暗号化装置及び暗号化方法及び暗号化プログラム及び暗号化プログラムを記録したコンピュータ読み取り可能な記録媒体及び復号装置及び復号方法及び復号プログラム及び復号プログラムを記録したコンピュータ読み取り可能な記録媒体及び暗号化復号システム及び暗号ロジック変更装置及び乱数生成装置及び置換装置及び量子暗号装置及び暗号装置 |
JP2007116520A (ja) * | 2005-10-21 | 2007-05-10 | Nippon Telegr & Teleph Corp <Ntt> | 量子秘密鍵配送システムおよび量子秘密鍵配送方法 |
JP2007129562A (ja) * | 2005-11-04 | 2007-05-24 | Nippon Telegr & Teleph Corp <Ntt> | 量子秘密共有システム及び量子秘密鍵生成方法 |
JPWO2006006232A1 (ja) * | 2004-07-12 | 2008-04-24 | 三菱電機株式会社 | 量子暗号鍵配送システム |
JP2011510583A (ja) * | 2008-01-25 | 2011-03-31 | キネテイツク・リミテツド | 量子キー配送によるマルチコミュニティネットワーク |
JP2012080496A (ja) * | 2010-10-06 | 2012-04-19 | Sony Corp | 量子暗号通信装置と量子暗号通信方法および量子暗号通信システム |
JP2012213143A (ja) * | 2011-02-23 | 2012-11-01 | General Electric Co <Ge> | 配電網量子鍵配送システム、方法、及び装置 |
JP2015142339A (ja) * | 2014-01-30 | 2015-08-03 | 株式会社東芝 | 量子鍵配送装置、量子鍵配送システムおよび量子鍵配送方法 |
JP2018522500A (ja) * | 2015-07-31 | 2018-08-09 | アリババ・グループ・ホールディング・リミテッドAlibaba Group Holding Limited | 量子鍵配布プロセスのための認証方法、デバイス及びシステム |
Families Citing this family (108)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6188768B1 (en) * | 1998-03-31 | 2001-02-13 | International Business Machines Corporation | Autocompensating quantum cryptographic key distribution system based on polarization splitting of light |
DE19833330C2 (de) * | 1998-07-24 | 2001-03-15 | Deutsche Telekom Ag | Quantenkryptographiesystem zur gesicherten Übertragung zufälliger Schlüssel unter Verwendung des Polarisationsstellverfahrens |
US6522749B2 (en) * | 1999-01-21 | 2003-02-18 | Nec Laboratories America, Inc. | Quantum cryptographic communication channel based on quantum coherence |
US6697490B1 (en) * | 1999-10-19 | 2004-02-24 | Lucent Technologies Inc. | Automatic resynchronization of crypto-sync information |
ES2168204B1 (es) * | 2000-03-21 | 2003-11-01 | Univ Sevilla | Procedimiento cuantico para distribuir claves criptograficas sin descartar datos. |
WO2001074005A1 (en) * | 2000-03-29 | 2001-10-04 | Hammersmith Wolfgang S | One-time-pad encryption with central key service and keyable characters |
WO2002005479A1 (en) * | 2000-07-07 | 2002-01-17 | Bbnt Solutions Llc | Systems and methods for implementing a quantum-cryptographic communications network |
US6895091B1 (en) | 2000-07-07 | 2005-05-17 | Verizon Corporate Services Group Inc. | Systems and methods for encryption key archival and auditing in a quantum-cryptographic communications network |
US7006635B2 (en) | 2000-08-31 | 2006-02-28 | The United States Of America As Represented By The Secretary Of The Navy | Method and apparatus for clock synchronization using quantum mechanical non-locality effects |
US7324647B1 (en) * | 2000-10-23 | 2008-01-29 | Bbn Technologies Corp. | Quantum cryptographic key distribution networks with untrusted switches |
FR2816772B1 (fr) * | 2000-11-10 | 2003-01-31 | Thomson Csf | Procede et systeme de transmission par cryptographie quantique |
FR2816780B1 (fr) * | 2000-11-10 | 2003-01-31 | Thomson Csf | Procede et systeme de transmission par cryptographie quantique |
FR2816779B1 (fr) * | 2000-11-10 | 2003-03-07 | Thomson Csf | Procede et systeme de transmission par cryptographie quantique |
JP2002281029A (ja) * | 2001-03-21 | 2002-09-27 | Japan Science & Technology Corp | 量子暗号通信システム |
DE10117272B4 (de) * | 2001-04-06 | 2005-04-28 | Lmu Ludwig Maxilians Uni Muenc | Vorrichtung und Verfahren für die Quantenkryptographie |
US7184555B2 (en) * | 2001-04-11 | 2007-02-27 | Magiq Technologies, Inc. | Quantum computation |
AU2002255801A1 (en) * | 2001-04-11 | 2002-10-28 | Magiq Technologies, Inc. | Polarization to phase converter |
GR1003891B (el) * | 2001-04-19 | 2002-05-20 | Ιωαννης Βρετταρος | Μια αυτοματη διαδικασια για αξιοπιστη και ασφαλη δημιουργια και διανομη κβαντικων κλειδιων. |
US7246240B2 (en) * | 2001-04-26 | 2007-07-17 | Massachusetts Institute Of Technology | Quantum digital signatures |
US7415114B2 (en) * | 2001-05-01 | 2008-08-19 | Magiq Technologies, Inc. | Quantum key system and method |
GB2378864B (en) * | 2001-05-18 | 2004-07-14 | Univ Heriot Watt | A weak coherent source for use in fibre-based quantum key distribution systems |
US7113967B2 (en) | 2001-05-29 | 2006-09-26 | Magiq Technologies, Inc | Efficient quantum computing operations |
US7068790B1 (en) * | 2001-08-31 | 2006-06-27 | Bbn Technologies Corp. | Systems and methods for path set-up in a quantum key distribution network |
US20030063751A1 (en) * | 2001-09-20 | 2003-04-03 | Aiden Bruen | Key agreement protocol based on network dynamics |
WO2003058865A1 (en) * | 2001-12-21 | 2003-07-17 | Magiq Technologies, Inc. | Decoupling error correction from privacy amplification in quantum key distribution |
US7580524B2 (en) * | 2002-03-11 | 2009-08-25 | Universite De Geneve | Method and apparatus for synchronizing the emitter and the receiver in an autocompensating quantum cryptography system |
US7840803B2 (en) * | 2002-04-16 | 2010-11-23 | Massachusetts Institute Of Technology | Authentication of integrated circuits |
JP2004030882A (ja) * | 2002-04-30 | 2004-01-29 | Toshiba Corp | レンダリング装置、コピー制御方法及びプログラム |
GB2392063B (en) | 2002-05-31 | 2005-06-22 | Corning Inc | Method and apparatus for use in encrypted communications |
US7403623B2 (en) * | 2002-07-05 | 2008-07-22 | Universite Libre De Bruxelles | High-rate quantum key distribution scheme relying on continuously phase and amplitude-modulated coherent light pulses |
US7457416B1 (en) | 2002-07-17 | 2008-11-25 | Bbn Technologies Corp. | Key distribution center for quantum cryptographic key distribution networks |
WO2004013899A2 (en) * | 2002-08-02 | 2004-02-12 | Arizona Board Of Regents | Semiconductor quantum cryptographic device and method |
US7627126B1 (en) | 2002-10-15 | 2009-12-01 | Bbn Technologies Corp. | Systems and methods for implementing path length control for quantum cryptographic systems |
US20060222180A1 (en) * | 2002-10-15 | 2006-10-05 | Elliott Brig B | Chip-scale transmitter for quantum cryptography |
US7236597B2 (en) * | 2002-12-20 | 2007-06-26 | Bbn Technologies Corp. | Key transport in quantum cryptographic networks |
US7460670B1 (en) | 2002-12-20 | 2008-12-02 | Bbn Technologies Corp. | Systems and methods for managing quantum cryptographic networks |
GB2397452B (en) * | 2003-01-16 | 2005-07-13 | Toshiba Res Europ Ltd | A quantum communication system |
US7227955B2 (en) * | 2003-02-07 | 2007-06-05 | Magiq Technologies, Inc. | Single-photon watch dog detector for folded quantum key distribution system |
US20060018475A1 (en) * | 2003-02-07 | 2006-01-26 | Magiq Technologies, Inc. | Kd systems with robust timing |
DE602004012034D1 (de) * | 2003-02-07 | 2008-04-10 | Magiq Technologies Inc | Überwachungserfasser für ein qkd-system |
US20040184615A1 (en) * | 2003-03-21 | 2004-09-23 | Elliott Brig Barnum | Systems and methods for arbitrating quantum cryptographic shared secrets |
US7512242B2 (en) * | 2003-03-21 | 2009-03-31 | Bbn Technologies Corp. | Systems and methods for quantum cryptographic key transport |
US7706535B1 (en) | 2003-03-21 | 2010-04-27 | Bbn Technologies Corp. | Systems and methods for implementing routing protocols and algorithms for quantum cryptographic key transport |
US7430295B1 (en) * | 2003-03-21 | 2008-09-30 | Bbn Technologies Corp. | Simple untrusted network for quantum cryptography |
US20050141716A1 (en) * | 2003-09-29 | 2005-06-30 | Prem Kumar | Coherent-states based quantum data-encryption through optically-amplified WDM communication networks |
CN1651947A (zh) * | 2004-02-02 | 2005-08-10 | 中国科学技术大学 | 一种偏振控制编码方法、编码器和量子密钥分配系统 |
CN1934820A (zh) * | 2004-02-10 | 2007-03-21 | 三菱电机株式会社 | 量子密钥分发方法以及通信装置 |
US7515716B1 (en) | 2004-02-26 | 2009-04-07 | Bbn Technologies Corp. | Systems and methods for reserving cryptographic key material |
US7697693B1 (en) | 2004-03-09 | 2010-04-13 | Bbn Technologies Corp. | Quantum cryptography with multi-party randomness |
US6943931B1 (en) * | 2004-06-02 | 2005-09-13 | Benjamin Dingel | Ultra-high linearized optical modulator |
JP4784202B2 (ja) * | 2004-09-02 | 2011-10-05 | 日本電気株式会社 | 多重化通信システムおよびそのクロストーク除去方法 |
CN101040482B (zh) * | 2004-09-15 | 2010-12-08 | Magiq技术公司 | 用于wdm网络的双选通qkd系统 |
EP1794924A2 (en) * | 2004-09-15 | 2007-06-13 | MagiQ Technologies, Inc. | Qkd system ambiguous remote control |
US8265280B2 (en) * | 2004-11-05 | 2012-09-11 | Nucrypt Llc | System and method of entangled photons generation |
US7822342B1 (en) | 2004-11-15 | 2010-10-26 | The United States Of America As Represented By The Secretary Of The Navy | Secure quantum optical communications system and method |
FR2879381B1 (fr) * | 2004-12-15 | 2008-12-26 | Thales Sa | Systeme de distribution quantique de cle de cryptage a variables continues |
JP4504833B2 (ja) * | 2005-02-17 | 2010-07-14 | 富士通株式会社 | 秘密鍵配送システム |
US7602919B2 (en) * | 2005-03-16 | 2009-10-13 | Magiq Technologies, Inc | Method of integrating QKD with IPSec |
US7853011B2 (en) * | 2005-05-13 | 2010-12-14 | Ciena Corporation | Methods and apparatus for monitoring the integrity of a quantum channel supporting multi-quanta pulse transmission |
JP4957952B2 (ja) * | 2005-06-21 | 2012-06-20 | 日本電気株式会社 | 通信システムおよびそのタイミング制御方法 |
JP4662040B2 (ja) * | 2005-07-08 | 2011-03-30 | 日本電気株式会社 | 通信システムおよびその同期制御方法 |
US20070110247A1 (en) * | 2005-08-03 | 2007-05-17 | Murphy Cary R | Intrusion detection with the key leg of a quantum key distribution system |
US7747019B2 (en) * | 2005-09-28 | 2010-06-29 | Nortel Networks Limited | Methods and systems for communicating over a quantum channel |
US7889868B2 (en) * | 2005-09-30 | 2011-02-15 | Verizon Business Global Llc | Quantum key distribution system |
US20070076878A1 (en) * | 2005-09-30 | 2007-04-05 | Nortel Networks Limited | Any-point-to-any-point ("AP2AP") quantum key distribution protocol for optical ring network |
US20070076887A1 (en) * | 2005-09-30 | 2007-04-05 | Nortel Networks Limited | Double phase encoding quantum key distribution |
JP4748311B2 (ja) * | 2005-10-31 | 2011-08-17 | 日本電気株式会社 | 微弱光の光パワー測定方法および装置、それを用いた光通信システム |
US20070130455A1 (en) * | 2005-12-06 | 2007-06-07 | Elliott Brig B | Series encryption in a quantum cryptographic system |
US20070133798A1 (en) * | 2005-12-14 | 2007-06-14 | Elliott Brig B | Quantum cryptography on a multi-drop optical network |
US8082443B2 (en) | 2006-01-09 | 2011-12-20 | Bbnt Solutions Llc. | Pedigrees for quantum cryptography |
GB2441790A (en) * | 2006-09-12 | 2008-03-19 | Qinetiq Ltd | Electro-optic waveguide polarisation modulator |
FR2906424B1 (fr) * | 2006-09-25 | 2008-11-28 | Centre Nat Rech Scient | Systeme et procede pour la transmission securisee de code binaire par codage en phase et en intensite |
GB0801395D0 (en) * | 2008-01-25 | 2008-03-05 | Qinetiq Ltd | Network having quantum key distribution |
JP5631743B2 (ja) * | 2008-01-25 | 2014-11-26 | キネテイツク・リミテツド | 量子暗号装置 |
GB0801492D0 (en) * | 2008-01-28 | 2008-03-05 | Qinetiq Ltd | Optical transmitters and receivers for quantum key distribution |
EP2101441A1 (en) | 2008-03-13 | 2009-09-16 | University College Cork-National University of Ireland, Cork | An optical communication system and method |
WO2009112286A1 (en) * | 2008-03-13 | 2009-09-17 | University College Cork, National University Of Ireland, Cork | An optical communication system and method for secure data communication using quantum key distribution |
GB0809045D0 (en) * | 2008-05-19 | 2008-06-25 | Qinetiq Ltd | Quantum key distribution involving moveable key device |
GB0809038D0 (en) * | 2008-05-19 | 2008-06-25 | Qinetiq Ltd | Quantum key device |
GB0809044D0 (en) * | 2008-05-19 | 2008-06-25 | Qinetiq Ltd | Multiplexed QKD |
GB0819665D0 (en) * | 2008-10-27 | 2008-12-03 | Qinetiq Ltd | Quantum key dsitribution |
GB0822254D0 (en) * | 2008-12-05 | 2009-01-14 | Qinetiq Ltd | Method of performing authentication between network nodes |
GB0822253D0 (en) | 2008-12-05 | 2009-01-14 | Qinetiq Ltd | Method of establishing a quantum key for use between network nodes |
GB0822356D0 (en) * | 2008-12-08 | 2009-01-14 | Qinetiq Ltd | Non-linear optical device |
ES2370187B1 (es) * | 2009-09-28 | 2012-10-26 | Telefonica, S.A. | Sistema de integracion de canales con informacion cuantica en redes de comunicaciones |
GB0917060D0 (en) | 2009-09-29 | 2009-11-11 | Qinetiq Ltd | Methods and apparatus for use in quantum key distribution |
GB201001422D0 (en) * | 2010-01-29 | 2010-03-17 | Hewlett Packard Development Co | Quantum key distribution method and apparatus |
GB201001421D0 (en) * | 2010-01-29 | 2010-03-17 | Hewlett Packard Development Co | Quantum key distribution method and apparatus |
CN101799586B (zh) * | 2010-02-04 | 2013-09-25 | 安徽量子通信技术有限公司 | 一种光量子编码装置及其编码方法 |
CN102004003B (zh) * | 2010-09-27 | 2012-02-08 | 南通墨禾量子科技发展有限公司 | 光脉冲同步的高时间分辨率低噪声单光子探测器 |
ES2386627B1 (es) * | 2010-10-22 | 2013-06-11 | Telefónica, S.A. | Método y sistema para la cogeneración asíncrona y no notificada de claves simétricas secretas criptográficas en ubicaciones espacialmente distantes a traves de un sistema distribuido. |
GB201020424D0 (en) | 2010-12-02 | 2011-01-19 | Qinetiq Ltd | Quantum key distribution |
GB2491115B (en) * | 2011-05-19 | 2013-08-14 | Toshiba Res Europ Ltd | Synchronisation of weak light pulse communication system |
GB2529101B (en) | 2011-06-17 | 2016-03-23 | Toshiba Res Europ Ltd | A quantum communication system |
US9184912B2 (en) * | 2012-04-17 | 2015-11-10 | The Boeing Company | Secure quantum authentication system |
CN103023579A (zh) * | 2012-12-07 | 2013-04-03 | 安徽问天量子科技股份有限公司 | 在无源光网络上实施量子密钥分发的方法及无源光网络 |
JP6157974B2 (ja) * | 2013-07-31 | 2017-07-05 | 株式会社東芝 | 送信機、受信機、量子鍵配送(QKD;QuantumKeyDistribution)システム及び量子鍵配送方法 |
US10291399B2 (en) * | 2013-09-30 | 2019-05-14 | Traid National Security, LLC | Quantum-secured communications overlay for optical fiber communications networks |
EP3018840B1 (en) | 2014-11-10 | 2019-10-02 | Université de Genève | Apparatus and method for QKD quantum communication channel continuous synchronization and alignment |
US10341096B1 (en) * | 2016-10-10 | 2019-07-02 | National Technology & Engineering Solutions Of Sandia, Llc | Transceivers and receivers for discrete-variable quantum key distribution |
EP3837803A1 (en) * | 2018-09-14 | 2021-06-23 | Huawei Technologies Duesseldorf GmbH | Quantum key distribution system and method |
CN112449748B (zh) * | 2018-09-14 | 2024-05-03 | 杜塞尔多夫华为技术有限公司 | 量子密钥分发系统和方法 |
RU2697696C1 (ru) * | 2019-01-18 | 2019-08-16 | Открытое Акционерное Общество "Информационные Технологии И Коммуникационные Системы" | Способ передачи сообщения через вычислительную сеть с применением аппаратуры квантового распределения ключей |
EP3754895B1 (en) | 2019-06-18 | 2022-03-16 | ID Quantique S.A. | Quantum channel synchronization |
EP3787220B1 (en) | 2019-09-02 | 2023-04-12 | ID Quantique S.A. | Quantum communication synchronization and alignment procedure |
US11228431B2 (en) * | 2019-09-20 | 2022-01-18 | General Electric Company | Communication systems and methods for authenticating data packets within network flow |
DE102019131317A1 (de) | 2019-11-20 | 2021-05-20 | Deutsche Telekom Ag | Übertragung von QKD-Signalen in quantengesicherter Multiknoten-Netztopologie |
CN115242317A (zh) * | 2022-07-22 | 2022-10-25 | 中国电信股份有限公司 | 量子随机数发生器、生成密钥的方法 |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5311592A (en) * | 1986-06-11 | 1994-05-10 | Mcdonnell Douglas Corporation | Sagnac interferometer based secure communication system |
US5191614A (en) * | 1988-11-14 | 1993-03-02 | Mcdonnell Douglas Corporation | Secure communication system |
US4965856A (en) * | 1989-05-23 | 1990-10-23 | Arbus Inc. | Secure optical-fiber communication system |
GB9018973D0 (en) * | 1990-08-31 | 1990-10-17 | Secr Defence | Optical communications system |
US5243649A (en) * | 1992-09-29 | 1993-09-07 | The Johns Hopkins University | Apparatus and method for quantum mechanical encryption for the transmission of secure communications |
US5675648A (en) * | 1992-12-24 | 1997-10-07 | British Telecommunications Public Limited Company | System and method for key distribution using quantum cryptography |
US5339182A (en) * | 1993-02-19 | 1994-08-16 | California Institute Of Technology | Method and apparatus for quantum communication employing nonclassical correlations of quadrature-phase amplitudes |
US5307410A (en) * | 1993-05-25 | 1994-04-26 | International Business Machines Corporation | Interferometric quantum cryptographic key distribution system |
US5515438A (en) * | 1993-11-24 | 1996-05-07 | International Business Machines Corporation | Quantum key distribution using non-orthogonal macroscopic signals |
-
1994
- 1994-09-08 KR KR1019960701243A patent/KR960705433A/ko not_active Application Discontinuation
- 1994-09-08 EP EP94925577A patent/EP0717895B1/en not_active Expired - Lifetime
- 1994-09-08 DE DE69414864T patent/DE69414864T2/de not_active Expired - Fee Related
- 1994-09-08 EP EP94925578A patent/EP0717896B1/en not_active Expired - Lifetime
- 1994-09-08 US US08/605,048 patent/US5768378A/en not_active Expired - Lifetime
- 1994-09-08 JP JP50854195A patent/JP3645261B2/ja not_active Expired - Fee Related
- 1994-09-08 ES ES94925577T patent/ES2126143T3/es not_active Expired - Lifetime
Cited By (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2003018144A (ja) * | 2001-06-29 | 2003-01-17 | Nec Corp | 量子暗号多ノードネットワーク及び多ノードネットワーク上の鍵配布方法及び量子暗号装置 |
JP2003037559A (ja) * | 2001-07-25 | 2003-02-07 | Mitsubishi Electric Corp | 信号状態制御装置及び信号状態制御方法 |
JP4619578B2 (ja) * | 2001-07-25 | 2011-01-26 | 三菱電機株式会社 | 信号状態制御装置及び信号状態制御方法 |
JP2003046501A (ja) * | 2001-07-31 | 2003-02-14 | Mitsubishi Electric Corp | 暗号化装置及び暗号化方法及び暗号化プログラム及び暗号化プログラムを記録したコンピュータ読み取り可能な記録媒体及び復号装置及び復号方法及び復号プログラム及び復号プログラムを記録したコンピュータ読み取り可能な記録媒体及び暗号化復号システム及び暗号ロジック変更装置及び乱数生成装置及び置換装置及び量子暗号装置及び暗号装置 |
JPWO2006006232A1 (ja) * | 2004-07-12 | 2008-04-24 | 三菱電機株式会社 | 量子暗号鍵配送システム |
JP4608412B2 (ja) * | 2005-10-21 | 2011-01-12 | 日本電信電話株式会社 | 量子秘密鍵配送システムおよび量子秘密鍵配送方法 |
JP2007116520A (ja) * | 2005-10-21 | 2007-05-10 | Nippon Telegr & Teleph Corp <Ntt> | 量子秘密鍵配送システムおよび量子秘密鍵配送方法 |
JP2007129562A (ja) * | 2005-11-04 | 2007-05-24 | Nippon Telegr & Teleph Corp <Ntt> | 量子秘密共有システム及び量子秘密鍵生成方法 |
JP4621116B2 (ja) * | 2005-11-04 | 2011-01-26 | 日本電信電話株式会社 | 量子秘密共有システム及び量子秘密鍵生成方法 |
JP2011510583A (ja) * | 2008-01-25 | 2011-03-31 | キネテイツク・リミテツド | 量子キー配送によるマルチコミュニティネットワーク |
JP2012080496A (ja) * | 2010-10-06 | 2012-04-19 | Sony Corp | 量子暗号通信装置と量子暗号通信方法および量子暗号通信システム |
JP2012213143A (ja) * | 2011-02-23 | 2012-11-01 | General Electric Co <Ge> | 配電網量子鍵配送システム、方法、及び装置 |
JP2015142339A (ja) * | 2014-01-30 | 2015-08-03 | 株式会社東芝 | 量子鍵配送装置、量子鍵配送システムおよび量子鍵配送方法 |
JP2018522500A (ja) * | 2015-07-31 | 2018-08-09 | アリババ・グループ・ホールディング・リミテッドAlibaba Group Holding Limited | 量子鍵配布プロセスのための認証方法、デバイス及びシステム |
US10999068B2 (en) | 2015-07-31 | 2021-05-04 | Alibaba Group Holding Limited | Authentication method, device and system for quantum key distribution process |
Also Published As
Publication number | Publication date |
---|---|
EP0717896A1 (en) | 1996-06-26 |
EP0717895B1 (en) | 1998-11-25 |
DE69414864T2 (de) | 1999-05-12 |
DE69414864D1 (de) | 1999-01-07 |
US5768378A (en) | 1998-06-16 |
EP0717895A1 (en) | 1996-06-26 |
JP3645261B2 (ja) | 2005-05-11 |
KR960705433A (ko) | 1996-10-09 |
EP0717896B1 (en) | 1999-01-07 |
ES2126143T3 (es) | 1999-03-16 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP3645261B2 (ja) | 量子暗号を使用する多元接続ネットワークにおけるキー配送 | |
AU678848B2 (en) | Key distribution in a multiple access network using quantum cryptography | |
JP2951408B2 (ja) | 量子暗合化システムおよび方法 | |
Zbinden et al. | Quantum cryptography. | |
US5953421A (en) | Quantum cryptography | |
EP2484045B1 (en) | Apparatus for use in quantum key distribution | |
CA2169746C (en) | Method for key distribution using quantum cryptography | |
EP0676110B1 (en) | System and method for key distribution using quantum cryptography | |
AU688563B2 (en) | Quantum cryptography | |
Townsend et al. | Secure optical communications systems using quantum cryptography | |
Townsend | Secure communications on passive optical networks using quantum cryptography | |
Dixon et al. | Gigahertz quantum key distribution with 1 Mbit/s secure key rate using decoy pulses |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
TRDD | Decision of grant or rejection written | ||
A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 20050104 |
|
A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20050203 |
|
R150 | Certificate of patent or registration of utility model |
Free format text: JAPANESE INTERMEDIATE CODE: R150 |
|
FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20080210 Year of fee payment: 3 |
|
FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20090210 Year of fee payment: 4 |
|
FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20090210 Year of fee payment: 4 |
|
FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20100210 Year of fee payment: 5 |
|
FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20110210 Year of fee payment: 6 |
|
LAPS | Cancellation because of no payment of annual fees |