GB2297448A - Cryptographic receiver - Google Patents

Cryptographic receiver

Info

Publication number
GB2297448A
GB2297448A GB9607094A GB9607094A GB2297448A GB 2297448 A GB2297448 A GB 2297448A GB 9607094 A GB9607094 A GB 9607094A GB 9607094 A GB9607094 A GB 9607094A GB 2297448 A GB2297448 A GB 2297448A
Authority
GB
United Kingdom
Prior art keywords
cryptographic receiver
cryptographic
receiver
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
Application number
GB9607094A
Other versions
GB2297448B (en
GB9607094D0 (en
Inventor
John Gilroy Rarity
Paul Richard Tapster
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.)
UK Secretary of State for Defence
Original Assignee
UK Secretary of State for Defence
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 UK Secretary of State for Defence filed Critical UK Secretary of State for Defence
Publication of GB9607094D0 publication Critical patent/GB9607094D0/en
Publication of GB2297448A publication Critical patent/GB2297448A/en
Application granted granted Critical
Publication of GB2297448B publication Critical patent/GB2297448B/en
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • H04L9/0858—Details about key distillation or coding, e.g. reconciliation, error correction, privacy amplification, polarisation coding or phase coding
GB9607094A 1993-10-08 1994-09-23 Cryptographic receiver Expired - Lifetime GB2297448B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB939320793A GB9320793D0 (en) 1993-10-08 1993-10-08 Cryptographic receiver
PCT/GB1994/002067 WO1995010907A1 (en) 1993-10-08 1994-09-23 Cryptographic receiver

Publications (3)

Publication Number Publication Date
GB9607094D0 GB9607094D0 (en) 1996-06-05
GB2297448A true GB2297448A (en) 1996-07-31
GB2297448B GB2297448B (en) 1998-06-24

Family

ID=10743233

Family Applications (2)

Application Number Title Priority Date Filing Date
GB939320793A Pending GB9320793D0 (en) 1993-10-08 1993-10-08 Cryptographic receiver
GB9607094A Expired - Lifetime GB2297448B (en) 1993-10-08 1994-09-23 Cryptographic receiver

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB939320793A Pending GB9320793D0 (en) 1993-10-08 1993-10-08 Cryptographic receiver

Country Status (8)

Country Link
US (1) US6028935A (en)
EP (1) EP0722640B1 (en)
JP (1) JP3640961B2 (en)
CN (1) CN1080496C (en)
DE (1) DE69414874T2 (en)
ES (1) ES2123825T3 (en)
GB (2) GB9320793D0 (en)
WO (1) WO1995010907A1 (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2392063A (en) * 2002-05-31 2004-02-18 Corning Inc Quantum cryptology which involves passing a received pulse pair through a polarization beam splitter and then two interferometers and detectors
GB2587619A (en) * 2019-09-30 2021-04-07 British Telecomm Improvements to quantum key distribution
US11777722B2 (en) 2020-01-31 2023-10-03 British Telecommunications Public Limited Company QKD method

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GB9320793D0 (en) * 1993-10-08 1993-12-08 Secr Defence Cryptographic receiver
DE19641754A1 (en) * 1996-10-10 1998-04-16 Deutsche Telekom Ag Optical random generator based on the single photon statistics on the optical beam splitter
JP3440763B2 (en) * 1996-10-25 2003-08-25 富士ゼロックス株式会社 Encryption device, decryption device, confidential data processing device, and information processing device
FR2763193B1 (en) * 1997-05-06 1999-06-18 France Telecom METHOD AND DEVICE FOR QUANTUM DISTRIBUTION OF ENCRYPTION KEY
US6314189B1 (en) * 1997-10-02 2001-11-06 Akio Motoyoshi Method and apparatus for quantum communication
US6188768B1 (en) * 1998-03-31 2001-02-13 International Business Machines Corporation Autocompensating quantum cryptographic key distribution system based on polarization splitting of light
US6522749B2 (en) * 1999-01-21 2003-02-18 Nec Laboratories America, Inc. Quantum cryptographic communication channel based on quantum coherence
DE10009209A1 (en) * 2000-02-26 2001-09-06 Deutsche Telekom Ag Device for generating, adding and subtracting digital sequences of optical pulses has interferometer with at least one electrooptical switch or modulator
US6971021B1 (en) * 2000-03-08 2005-11-29 Rainbow Technologies, Inc. Non-wire contact device application for cryptographic module interfaces
US7324647B1 (en) * 2000-10-23 2008-01-29 Bbn Technologies Corp. Quantum cryptographic key distribution networks with untrusted switches
DE10117272B4 (en) * 2001-04-06 2005-04-28 Lmu Ludwig Maxilians Uni Muenc Apparatus and method for quantum cryptography
US7068790B1 (en) * 2001-08-31 2006-06-27 Bbn Technologies Corp. Systems and methods for path set-up in a quantum key distribution network
JP4462806B2 (en) * 2002-02-22 2010-05-12 日本電気株式会社 Quantum cryptographic key distribution system
US7457416B1 (en) 2002-07-17 2008-11-25 Bbn Technologies Corp. Key distribution center for quantum cryptographic key distribution networks
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
US7430295B1 (en) 2003-03-21 2008-09-30 Bbn Technologies Corp. Simple untrusted network for quantum cryptography
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
US20040184615A1 (en) * 2003-03-21 2004-09-23 Elliott Brig Barnum Systems and methods for arbitrating quantum cryptographic shared secrets
KR20060015539A (en) * 2003-04-29 2006-02-17 코닌클리케 필립스 일렉트로닉스 엔.브이. System for copy protection of an information carrier
US7606371B2 (en) * 2003-12-22 2009-10-20 Magiq Technologies, Inc. Two-way QKD system with active compensation
CN1651947A (en) * 2004-02-02 2005-08-10 中国科学技术大学 Polarization control coding method coder and quantum key distributing system
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
US20060010182A1 (en) * 2004-07-06 2006-01-12 Altepeter Joseph B Quantum random number generator
US20080273703A1 (en) * 2004-09-15 2008-11-06 Magiq Technologies, Inc. Dual-Gated Qkd System for Wdm Networks
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
GB0427581D0 (en) * 2004-12-16 2005-01-19 Cornwall Remi Method for sending signals
AU2011203335B2 (en) * 2004-12-16 2012-05-17 Remi Oseri Cornwall A detection arrangement
US8428259B2 (en) 2005-06-09 2013-04-23 General Dynamics Advanced Information Systems Apparatus and method for all-optical encryption and decryption of an optical signal
JP2008547072A (en) * 2005-06-16 2008-12-25 ザ チャイニーズ ユニバーシティー オブ ホンコン Quantum random number generator
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
US20100166187A1 (en) * 2006-09-11 2010-07-01 Alexei Trifonov Qkd using high-altitude paltforms
GB2441790A (en) * 2006-09-12 2008-03-19 Qinetiq Ltd Electro-optic waveguide polarisation modulator
US7853020B2 (en) * 2007-09-19 2010-12-14 Mogiq Technologies, Inc. Systems and methods for enhanced quantum key formation using an actively compensated QKD system
AT505987B1 (en) * 2007-11-07 2011-01-15 Arc Austrian Res Centers Gmbh QKD DEVICE
US8855316B2 (en) * 2008-01-25 2014-10-07 Qinetiq Limited Quantum cryptography apparatus
GB0801395D0 (en) * 2008-01-25 2008-03-05 Qinetiq Ltd Network having quantum key distribution
GB0801408D0 (en) * 2008-01-25 2008-03-05 Qinetiq Ltd Multi-community network with quantum key distribution
GB0801492D0 (en) * 2008-01-28 2008-03-05 Qinetiq Ltd Optical transmitters and receivers for quantum key distribution
GB0809045D0 (en) * 2008-05-19 2008-06-25 Qinetiq Ltd Quantum key distribution involving moveable key device
GB0809044D0 (en) * 2008-05-19 2008-06-25 Qinetiq Ltd Multiplexed QKD
GB0809038D0 (en) * 2008-05-19 2008-06-25 Qinetiq Ltd Quantum key device
GB0819665D0 (en) * 2008-10-27 2008-12-03 Qinetiq Ltd Quantum key dsitribution
GB0822253D0 (en) 2008-12-05 2009-01-14 Qinetiq Ltd Method of establishing a quantum key for use between network nodes
GB0822254D0 (en) * 2008-12-05 2009-01-14 Qinetiq Ltd Method of performing authentication between network nodes
GB0822356D0 (en) * 2008-12-08 2009-01-14 Qinetiq Ltd Non-linear optical device
GB0917060D0 (en) 2009-09-29 2009-11-11 Qinetiq Ltd Methods and apparatus for use in quantum key distribution
GB201020424D0 (en) 2010-12-02 2011-01-19 Qinetiq Ltd Quantum key distribution
KR101328384B1 (en) 2012-05-07 2013-11-13 한국과학기술연구원 Apparatus and method for generating polarized signals for quantum key distribution
FR3080507B1 (en) * 2018-04-24 2021-05-21 Veriqloud RECONFIGURABLE PROCESSING DEVICE FOR QUANTUM COMMUNICATIONS.
KR101987739B1 (en) * 2018-05-25 2019-06-11 한국표준과학연구원 Bell state measurement apparatus based on single-mode fiber
US11367014B2 (en) 2020-05-05 2022-06-21 Qubit Moving And Storage, Llc System and method for quantum cache
US11614771B2 (en) 2020-11-25 2023-03-28 Qubit Moving And Storage, Llc Method for synchronizing and locking clocks
US11616644B2 (en) 2020-11-25 2023-03-28 Qubit Moving And Storage, Llc System and method of verification and authentication using entangled photons
US20230327779A1 (en) 2022-04-06 2023-10-12 Qubit Moving And Storage, Llc System and Method for Entangled State Identification Using Metadata
US11933608B2 (en) 2022-05-19 2024-03-19 Qubit Moving And Storage, Llc Quantum interferometer with improved entangled photon identification

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US5140636A (en) * 1985-05-02 1992-08-18 The United States Of America As Represented By The Secretary Of The Navy Interferometric optical fiber data link
US4754131A (en) * 1985-12-31 1988-06-28 American Telephone And Telegraph Company, At&T Bell Laboratories Devices using avalanche photodiode and capable of detecting a small number of photons
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
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
USH1626H (en) * 1993-01-28 1997-01-07 Kersey; Alan D. Fiber optic network system with low crosstalk using code-division multiplexing
US5307410A (en) * 1993-05-25 1994-04-26 International Business Machines Corporation Interferometric quantum cryptographic key distribution system
DE69415815T2 (en) * 1993-09-09 1999-05-27 British Telecomm KEY DISTRIBUTION SYSTEM AND METHOD USING QUANTUM CRYPTOGRAPHY
WO1995007584A1 (en) * 1993-09-09 1995-03-16 British Telecommunications Public Limited Company System and method for quantum cryptography
US5764765A (en) * 1993-09-09 1998-06-09 British Telecommunications Public Limited Company Method for key distribution using quantum cryptography
GB9320793D0 (en) * 1993-10-08 1993-12-08 Secr Defence Cryptographic receiver
US5515438A (en) * 1993-11-24 1996-05-07 International Business Machines Corporation Quantum key distribution using non-orthogonal macroscopic signals
US5557765A (en) * 1994-08-11 1996-09-17 Trusted Information Systems, Inc. System and method for data recovery

Non-Patent Citations (2)

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Title
EUROPHYSICS LETTERS VOL 23,NO.6, 20.8.93 PGS 383-388 MULLER ET AL,Exper.demo of quantum cryptography *
Physical review letters, vol 69,no.9, 31.8.92 N.Y. US PGS 1293-1200 EKERT ET AL Practical quantum *

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2392063A (en) * 2002-05-31 2004-02-18 Corning Inc Quantum cryptology which involves passing a received pulse pair through a polarization beam splitter and then two interferometers and detectors
GB2392063B (en) * 2002-05-31 2005-06-22 Corning Inc Method and apparatus for use in encrypted communications
US7471793B2 (en) 2002-05-31 2008-12-30 Corning Incorporated Method and apparatus for use in encrypted communication
GB2587619A (en) * 2019-09-30 2021-04-07 British Telecomm Improvements to quantum key distribution
US11777722B2 (en) 2020-01-31 2023-10-03 British Telecommunications Public Limited Company QKD method

Also Published As

Publication number Publication date
CN1135820A (en) 1996-11-13
GB2297448B (en) 1998-06-24
EP0722640B1 (en) 1998-11-25
WO1995010907A1 (en) 1995-04-20
DE69414874D1 (en) 1999-01-07
JPH09505184A (en) 1997-05-20
US6028935A (en) 2000-02-22
JP3640961B2 (en) 2005-04-20
EP0722640A1 (en) 1996-07-24
ES2123825T3 (en) 1999-01-16
CN1080496C (en) 2002-03-06
GB9607094D0 (en) 1996-06-05
GB9320793D0 (en) 1993-12-08
DE69414874T2 (en) 1999-05-12

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Legal Events

Date Code Title Description
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)
PE20 Patent expired after termination of 20 years

Expiry date: 20140922