DE10117272B4 - Vorrichtung und Verfahren für die Quantenkryptographie - Google Patents

Vorrichtung und Verfahren für die Quantenkryptographie Download PDF

Info

Publication number
DE10117272B4
DE10117272B4 DE10117272A DE10117272A DE10117272B4 DE 10117272 B4 DE10117272 B4 DE 10117272B4 DE 10117272 A DE10117272 A DE 10117272A DE 10117272 A DE10117272 A DE 10117272A DE 10117272 B4 DE10117272 B4 DE 10117272B4
Authority
DE
Germany
Prior art keywords
quantum cryptography
cryptography
quantum
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.)
Expired - Fee Related
Application number
DE10117272A
Other languages
English (en)
Other versions
DE10117272A1 (de
Inventor
Harald Weinfurter
Christian Kurtsiefer
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
QUTOOLS GMBH, 80539 MUENCHEN, DE
Original Assignee
Ludwig Maximilians Universitaet Muenchen LMU
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Ludwig Maximilians Universitaet Muenchen LMU filed Critical Ludwig Maximilians Universitaet Muenchen LMU
Priority to DE10117272A priority Critical patent/DE10117272B4/de
Priority to US10/473,771 priority patent/US7400724B2/en
Priority to EP02759800A priority patent/EP1374475A2/de
Priority to AU2002338378A priority patent/AU2002338378A1/en
Priority to PCT/EP2002/003825 priority patent/WO2002082714A2/de
Publication of DE10117272A1 publication Critical patent/DE10117272A1/de
Application granted granted Critical
Publication of DE10117272B4 publication Critical patent/DE10117272B4/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Theoretical Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Optical Communication System (AREA)
  • Spectrometry And Color Measurement (AREA)
DE10117272A 2001-04-06 2001-04-06 Vorrichtung und Verfahren für die Quantenkryptographie Expired - Fee Related DE10117272B4 (de)

Priority Applications (5)

Application Number Priority Date Filing Date Title
DE10117272A DE10117272B4 (de) 2001-04-06 2001-04-06 Vorrichtung und Verfahren für die Quantenkryptographie
US10/473,771 US7400724B2 (en) 2001-04-06 2002-04-05 Device and method for use in quantum crytography
EP02759800A EP1374475A2 (de) 2001-04-06 2002-04-05 Vorrichtung und verfahren für die quantenkryptographie
AU2002338378A AU2002338378A1 (en) 2001-04-06 2002-04-05 Device and method for use in quantum cryptography
PCT/EP2002/003825 WO2002082714A2 (de) 2001-04-06 2002-04-05 Vorrichtung und verfahren für die quantenkryptographie

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE10117272A DE10117272B4 (de) 2001-04-06 2001-04-06 Vorrichtung und Verfahren für die Quantenkryptographie

Publications (2)

Publication Number Publication Date
DE10117272A1 DE10117272A1 (de) 2002-10-24
DE10117272B4 true DE10117272B4 (de) 2005-04-28

Family

ID=7680689

Family Applications (1)

Application Number Title Priority Date Filing Date
DE10117272A Expired - Fee Related DE10117272B4 (de) 2001-04-06 2001-04-06 Vorrichtung und Verfahren für die Quantenkryptographie

Country Status (5)

Country Link
US (1) US7400724B2 (de)
EP (1) EP1374475A2 (de)
AU (1) AU2002338378A1 (de)
DE (1) DE10117272B4 (de)
WO (1) WO2002082714A2 (de)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20030063751A1 (en) * 2001-09-20 2003-04-03 Aiden Bruen Key agreement protocol based on network dynamics
JP4632652B2 (ja) * 2003-10-10 2011-02-16 日本電気株式会社 量子暗号鍵配布システム及びそれに用いる同期方法
US7974540B2 (en) * 2003-11-28 2011-07-05 Japan Science And Technology Agency Communication system and communication method using the same
US20060018476A1 (en) * 2004-06-23 2006-01-26 Nickel George H Key path generation and exchange of cryptographic keys using path length noise
US20070162743A1 (en) * 2006-01-12 2007-07-12 Savant Protection, Inc. Sliding acoustical signatures
US7722514B2 (en) * 2007-10-23 2010-05-25 Bvp Holding, Inc. Multi-directional body swing, turn and twist trainer with interchangeable and adjustable attachments
CN108432177B (zh) * 2015-08-14 2021-09-03 诺基亚技术有限公司 具有偏振和频分多路复用的片上连续变量量子密钥分发系统
GB2559801B (en) * 2017-02-20 2021-04-28 Toshiba Kk An optical quantum communication system

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5307410A (en) * 1993-05-25 1994-04-26 International Business Machines Corporation Interferometric quantum cryptographic key distribution system
US5732139A (en) * 1996-08-26 1998-03-24 Lo; Hoi-Kwong Quantum cryptographic system with reduced data loss
US5757912A (en) * 1993-09-09 1998-05-26 British Telecommunications Public Limited Company System and method for quantum cryptography
EP0722640B1 (de) * 1993-10-08 1998-11-25 Secretary Of State For Defence In Her Britannic Majesty's Gov. Of The United Kingdom Of Great Britain And Northern Ireland Kryptographischer empfänger
EP0717895B1 (de) * 1993-09-09 1998-11-25 BRITISH TELECOMMUNICATIONS public limited company Schlüsselverteilung in einem netzwerk mit vielfachzugriff unter verwendung von quanten-kryptographie

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
JP4064463B2 (ja) * 1996-05-22 2008-03-19 ブリティッシュ・テレコミュニケーションズ・パブリック・リミテッド・カンパニー 偏波に感応しない量子暗号用の方法および装置
US5999285A (en) * 1997-05-23 1999-12-07 The United States Of America As Represented By The Secretary Of The Army Positive-operator-valued-measure receiver for quantum cryptography
US6188768B1 (en) * 1998-03-31 2001-02-13 International Business Machines Corporation Autocompensating quantum cryptographic key distribution system based on polarization splitting of light
DE19823849B4 (de) * 1998-05-28 2004-09-16 Deutsche Telekom Ag Verfahren und Vorrichtung zur Erzeugung von wahlweise Einzelphotonen oder Photonenpaaren in mindestens einem von zwei optischen Kanälen
DE19833330C2 (de) * 1998-07-24 2001-03-15 Deutsche Telekom Ag Quantenkryptographiesystem zur gesicherten Übertragung zufälliger Schlüssel unter Verwendung des Polarisationsstellverfahrens
US6289104B1 (en) * 1998-08-07 2001-09-11 Ilinois Institute Of Technology Free-space quantum cryptography system

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5307410A (en) * 1993-05-25 1994-04-26 International Business Machines Corporation Interferometric quantum cryptographic key distribution system
US5757912A (en) * 1993-09-09 1998-05-26 British Telecommunications Public Limited Company System and method for quantum cryptography
EP0717895B1 (de) * 1993-09-09 1998-11-25 BRITISH TELECOMMUNICATIONS public limited company Schlüsselverteilung in einem netzwerk mit vielfachzugriff unter verwendung von quanten-kryptographie
EP0722640B1 (de) * 1993-10-08 1998-11-25 Secretary Of State For Defence In Her Britannic Majesty's Gov. Of The United Kingdom Of Great Britain And Northern Ireland Kryptographischer empfänger
US5732139A (en) * 1996-08-26 1998-03-24 Lo; Hoi-Kwong Quantum cryptographic system with reduced data loss

Non-Patent Citations (3)

* Cited by examiner, † Cited by third party
Title
BUTTLER, W.T., HUGHES, R.J. u.a.: Daylight QuantumKey Distribution over 1,6 km. In: Physical Review Letters, Vol. 84, Nr. 24, Juni 2000, S. 5652-5655 *
CHIANGGA, S., ZARDA, P., JENNEWEIN, T., WEINFURTER, H.: Towards practical quantum cryptography. In: Applied Physics B, 69, 1999, S. 389-393 *
EBRANZIG, U., SÜSSMUTH, W.: Quantenkryptographie.In: Deutsches Patent- und Markenamt, Sonderdruck zum Jahresbericht 1999, S. 13-17 *

Also Published As

Publication number Publication date
WO2002082714A2 (de) 2002-10-17
US7400724B2 (en) 2008-07-15
DE10117272A1 (de) 2002-10-24
US20040156502A1 (en) 2004-08-12
EP1374475A2 (de) 2004-01-02
WO2002082714A3 (de) 2003-09-25
AU2002338378A1 (en) 2002-10-21

Similar Documents

Publication Publication Date Title
DE60238577D1 (de) Verfahren und Vorrichtung für die Kommunikationsverkehrstechnik
DE60121066D1 (de) Angriffsresistente kryptographische Verfahren und Vorrichtung
DE60136745D1 (de) Elektrisches bauelement sowie vorrichtung und verfahren für die bauteil-bestückung
DE60209262D1 (de) Verfahren und vorrichtung zum bildvergleich
DE60238738D1 (de) Verfahren und Vorrichtung zur Aktualiesierung der Bandbreite
DE60203871D1 (de) Verfahren und Vorrichtung zur selektiven Bildverbesserung
DE602004025322D1 (de) Verfahren und Vorrichtung für die Spinnvliesherstellung
DE60218252D1 (de) Verfahren und Vorrichtung zur Sprachtranskodierung
DE60314793D1 (de) Dreidimensionales stereolithographisches Verfahren und Vorrichtung
DE60121701D1 (de) Verfahren und Vorrichtung zum Nachrichtendienst
DE60100147T2 (de) Vorrichtung und Verfahren zum Ziehbiegen
DE60112525D1 (de) Vorrichtung und Verfahren für Kopfdekomprimierung
DE602004028889D1 (de) Vorrichtung und Verfahren für Getriebesteuerung
DE60221158D1 (de) Vorrichtung und verfahren für oberflächeneigenschaften
DE50208075D1 (de) Verfahren und vorrichtung für die plasmachirurgie
DE60226830D1 (de) Verfahren und Vorrichtung zum Reibschweissen
DE50205725D1 (de) Verfahren und vorrichtung zum herstellen von hartpackungen für zigaretten
DE60225934D1 (de) Verfahren und Vorrichtung für Funkverbindunganpassung
DE60214627D1 (de) Verfahren und Vorrichtung zur Bitratenkonversion
DE60223157D1 (de) Verfahren und vorrichtung zur nachrichtenübertragung
ATE488986T1 (de) Vorrichtung und verfahren zum unterirdischen indizieren
DE60131949D1 (de) Verfahren und Vorrichtung für Grauwertänderungen
DE60315540D1 (de) Vorrichtung und Verfahren zum Dispergieren
DE60229325D1 (de) Verfahren und Vorrichtung zum Aufkohlen
DE60121632D1 (de) Verfahren und vorrichtung für echounterdrüchung

Legal Events

Date Code Title Description
OP8 Request for examination as to paragraph 44 patent law
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: QUTOOLS GMBH, 80539 MUENCHEN, DE

R119 Application deemed withdrawn, or ip right lapsed, due to non-payment of renewal fee

Effective date: 20131101