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LWE

Learning With Errors

Recover or distinguish a noisy linear system.

Decision · binary secret and error · n samples

Decisional LWE; both secret and errors uniform in {0,1}; n samples; prime modulus q=Θ(n²)

1 results · 1 papers
ClassicalProvableUniform random equations2c n / log₂ log₂ n + o(n/log₂ log₂ n)
#PUBLICATION / AUTHORSDATETIME BOUNDSPACE BOUNDEVIDENCE
1An Improved BKW Algorithm for LWE with Applications to Cryptography and LatticesPaul Kirchner · Pierre-Alain FouqueCrypto 2015SourceBibTeX / detailsclassical provable LWE binary secret binary errors linear samples29 Jun 20152(ln(2)/2+o(1)) n/log₂ log₂ nNot separately normalizedPublishedSource checked
Comparison definition & assumptions
Regime
Decisional LWE; both secret and errors uniform in {0,1}; n samples; prime modulus q=Θ(n²)
Computation
Classical
Rigor
Provable
Instances
Uniform random equations
Cost scale
2^{c n / log₂ log₂ n + o(n/log₂ log₂ n)}
Parameter
n
Description
Decisional LWE; both secret and errors uniform in {0,1}; n samples; prime modulus q=Θ(n²)
Comparison rules
Compare bounds only under the displayed noise, sample and memory conditions.
Tags
binary secret, binary errors, linear samples