CtAuditor

chie_crypto::ct_audit

Struct CtAuditor 

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pub struct CtAuditor { /* private fields */ }
Expand description

Auditor for constant-time operations

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impl CtAuditor

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pub fn new(name: impl Into<String>, warmup_iterations: usize) -> Self

Create a new constant-time auditor

§Arguments
  • name - Name of the operation being audited
  • warmup_iterations - Number of warmup iterations before measurement
Source

pub fn audit<F>( &self, iterations: usize, op: F, ) -> CtAuditResult<TimingStatistics>
where F: FnMut(),

Audit an operation for constant-time behavior

Measures timing across multiple runs and returns statistics.

§Arguments
  • iterations - Number of measurements to take
  • op - Operation to audit (should be constant-time)
§Returns

Timing statistics for the operation

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pub fn compare<F, G>( &self, iterations: usize, op_a: F, op_b: G, ) -> CtAuditResult<(TimingStatistics, TimingStatistics)>
where F: FnMut(), G: FnMut(),

Compare timing between two different inputs

This helps detect data-dependent timing variations.

§Arguments
  • iterations - Number of measurements per input
  • op_a - Operation with input A
  • op_b - Operation with input B
§Returns

Tuple of (stats_a, stats_b) for comparison

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pub fn detect_leak<F, G>( &self, iterations: usize, op_a: F, op_b: G, threshold: f64, ) -> CtAuditResult<bool>
where F: FnMut(), G: FnMut(),

Detect timing leaks by comparing operations on different inputs

Returns true if timing difference is statistically significant, indicating a potential timing leak.

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