ATE408331T1 - Kontinuierlich variables system zur verschlüssellungsschlüsselquantendistribution - Google Patents

Kontinuierlich variables system zur verschlüssellungsschlüsselquantendistribution

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Publication number
ATE408331T1
ATE408331T1 AT05821768T AT05821768T ATE408331T1 AT E408331 T1 ATE408331 T1 AT E408331T1 AT 05821768 T AT05821768 T AT 05821768T AT 05821768 T AT05821768 T AT 05821768T AT E408331 T1 ATE408331 T1 AT E408331T1
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AT
Austria
Prior art keywords
signal
pulses
quadrature
receiver
local oscillator
Prior art date
Application number
AT05821768T
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English (en)
Inventor
Jerome Lodewyck
Thierry Debuisschert
Rosa Tualle-Brouri
Philippe Grangier
Original Assignee
Thales Sa
Centre Nat Rech Scient
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 Thales Sa, Centre Nat Rech Scient filed Critical Thales Sa
Application granted granted Critical
Publication of ATE408331T1 publication Critical patent/ATE408331T1/de

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    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L2209/00—Additional information or applications relating to cryptographic mechanisms or cryptographic arrangements for secret or secure communication H04L9/00
    • H04L2209/08—Randomization, e.g. dummy operations or using noise

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)
  • Transmitters (AREA)
AT05821768T 2004-12-15 2005-12-15 Kontinuierlich variables system zur verschlüssellungsschlüsselquantendistribution ATE408331T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR0413337A FR2879381B1 (fr) 2004-12-15 2004-12-15 Systeme de distribution quantique de cle de cryptage a variables continues
PCT/EP2005/056813 WO2006064037A1 (fr) 2004-12-15 2005-12-15 Systeme de distribution quantique de cle de cryptage a variables continues

Publications (1)

Publication Number Publication Date
ATE408331T1 true ATE408331T1 (de) 2008-02-15

Family

ID=34954098

Family Applications (1)

Application Number Title Priority Date Filing Date
AT05821768T ATE408331T1 (de) 2004-12-15 2005-12-15 Kontinuierlich variables system zur verschlüssellungsschlüsselquantendistribution

Country Status (6)

Country Link
US (1) US7929700B2 (de)
EP (1) EP1825633B1 (de)
AT (1) ATE408331T1 (de)
DE (1) DE602005004622D1 (de)
FR (1) FR2879381B1 (de)
WO (1) WO2006064037A1 (de)

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Also Published As

Publication number Publication date
DE602005004622D1 (de) 2008-03-20
EP1825633A1 (de) 2007-08-29
FR2879381A1 (fr) 2006-06-16
US20090268901A1 (en) 2009-10-29
EP1825633B1 (de) 2008-01-30
US7929700B2 (en) 2011-04-19
FR2879381B1 (fr) 2008-12-26
WO2006064037A1 (fr) 2006-06-22

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