Code AnalysisHard 50s

Trace: Timing-Safe Compare

Why is this comparison vulnerable?

Starter code

function check(a, b) {
  if (a.length !== b.length) return false;
  for (let i = 0; i < a.length; i++) if (a[i] !== b[i]) return false;
  return true;
}

cybersec analysis hard

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