This comprehensive wiki catalogues average-case lattice assumptions so that cryptography-affine readers can quickly build an intuition for each assumption, understand the rationale behind its hardness, explore its applications, access all relevant literature in one place, and stay informed on the latest cryptanalysis.

Furthermore, this resource is built with two additional goals in mind:

  • For designers: This website facilitates keeping track of novel assumptions (e.g., by following our RSS-Feed) to encourage reusing established assumptions rather than introducing new, ad-hoc ones.
  • For cryptanalysts: This repository serves as an organised index of targets, simplifying the identification of compelling assumptions to analyse.

🧭 Explore the Lattice Assumption Graph

This interactive graph visualises the landscape of lattice-based assumptions, illustrating relationships such as reductions and generalizations. You can tailor the view to your needs – filtering by cryptographic primitive, historical timeline, or specific assumption variants.

📋 List of Catalogued Assumptions

If you prefer a list as a structured format, you can find a searchable index of all catalogued assumptions on the following page.

Catalogued Assumptions

📣 Latest News

Lattice Assumption Zoo Goes Live!

February 28, 2026

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✏️ Contribute

This wiki relies on the expertise of the cryptographic community. Anyone can contribute – whether it is adding a novel assumption, updating hardness estimates, providing further details, or linking a new construction.

Spotted a missing link or an outdated result? Propose a change on GitHub.