PPL 164 / 177 permanent IDsPrize Problem Ledger · PPLChecked 2026.07.27
Prize Problem LedgerSimons 2015 cryptography problemsPPL 164Simons cryptography · One-way permutations from a worst-case lattice assumption

Permanent problem IDPPL 164

Reconfirm sponsorInstitutionalconjecture

Cryptography

Simons cryptography · One-way permutations from a worst-case lattice assumption

Construct a cryptographic one-way permutation from a worst-case lattice assumption alone, or prove the requested implication impossible under the stated model.

theoretical cryptographycomplexity assumptionsopen problem
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The problem

Construct a cryptographic one-way permutation from a worst-case lattice assumption alone, or prove the requested implication impossible under the stated model.

Open since2015prize workshop listing
Last checked2026.07.27Catalog verification
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Reward offers

Offer 01$100Vinod Vaikuntanathan
Personal offer

The Simons Institute page calls this a symbolic cash prize and names the payer and amount, but publishes no claim mechanics, deadline or recent renewal. Contact the proposer before relying on payment.

The mathematical target remains open; direct sponsor confirmation of the symbolic offer is recommended.

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Sources & reading