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Project-declaredLean 4.32.0

Sign expected Queries eq sum abort Prefix Probabilities

FiatShamirWithAbort.sign_expectedQueries_eq_sum_abortPrefixProbabilities

Plain-language statement

The expected number of signing queries is the sum, over prefixes of the retry loop, of the probability that every attempt in the prefix aborts.

program verificationseparation logiccryptography

Source project: VCVio

Person-level attribution pending.

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Project-declaredLean 4.32.0

Verify expected Query Cost eq

FiatShamirWithAbort.verify_expectedQueryCost_eq

Plain-language statement

Verification has expected weighted query cost equal to the cost of the single verification query when a signature is present, and 0 when the signature is none.

program verificationseparation logiccryptography

Source project: VCVio

Person-level attribution pending.

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