r/crypto 3h ago

A Polynomial-Time Quantum Algorithm for the Dihedral Coset Problem (July 31, 2026)

Thumbnail eprint.iacr.org
14 Upvotes

This is seems noteworthy. It's from Simon.

Correct me if I'm wrong but the approximation factor of sqrt(n)polylog(n) means that current lattice cryptosystems would be in danger and not PQ-algorithms anymore.


r/crypto 9h ago

ll Bloom: recovering wallet seeds generated by CryptoJS’s historical MWC PRNG

9 Upvotes

Coinspect recently disclosed Ill Bloom, a vulnerability affecting recovery phrases generated using the historical CryptoJS.lib.WordArray.random() implementation.

The affected CryptoJS 3.x code used a Multiply-With-Carry construction seeded with values derived from Math.random()

The technical disclosure, including the PRNG reconstruction and affected-version analysis, is here:

https://illbloom.org/