scholarly journals Simple and Tight Bounds for Information Reconciliation and Privacy Amplification

2005 ◽  
pp. 199-216 ◽  
Author(s):  
Renato Renner ◽  
Stefan Wolf
Keyword(s):  
Privacy Amplification ◽  
Information Reconciliation

SOFT-PROCESSING FOR INFORMATION RECONCILIATION IN QKD APPLICATIONS

2011 ◽  
Vol 09 (supp01) ◽  
pp. 155-164 ◽  
Author(s):  
MARINA MONDIN ◽  
MARIA DELGADO ◽  
FABIO MESITI ◽  
FRED DANESHGARAN
Keyword(s):  
Quantum Channel ◽  
Quantum Key Distribution ◽  
Channel Model ◽  
Key Distribution ◽  
Block Codes ◽  
Soft Information ◽  
Privacy Amplification ◽  
Information Reconciliation ◽  
System Parameters ◽  
Composite Channel

In this manuscript, a composite channel model for quantum key distribution is considered, including both a "hard output" quantum channel and a "soft output" classic channel. The metrics derived from the two channels are jointly processed at the receiver, exploiting capacity achieving soft-metric based iteratively decoded block codes, and soft-information based information reconciliation and privacy amplification techniques are proposed. The performance of the proposed mixed-soft-metric algorithms is analyzed as a function of the system parameters.

scholarly journals Linking information reconciliation and privacy amplification

1997 ◽  
Vol 10 (2) ◽  
pp. 97-110 ◽  
Author(s):  
Christian Cachin ◽  
Ueli M. Maurer
Keyword(s):  
Privacy Amplification ◽  
Information Reconciliation
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