
Leonardo Errati
Cryptography PhD student @ PoliTo, Italy.

THE DIGEST
Complex topics in short blocks.
The Digest is a periodic summary of advanced research concepts. Feel free to reach out in case of typos.
Upcoming
3. Security games for FHE schemes on approximate numbers
Invalid Date•The IND-CPA-C security game.?. Security of the Fiat-Shamir transform
Invalid Date•Minimal security conditions.
Archive
2. The Alekhnovich I and II encryption schemes
Mar 2026•Structure and security.1. The KKS signature scheme
Feb 2026•Structure and attacks.
Miscellanea
Some material from talks or events still fitting the scope of The Digest.
Random self reducibility
Nov 2025•Random-self-reducible functions in cryptography.Cryptographic standards for random number generation
Sept 2025•Standards, constructions, and multidisciplinary perspectives.One-more reductions
Jul 2025•One-more RSA, one-more DL: variants and applications.LESS: Linear Equivalence Signature Scheme
Jun 2025•A signature scheme from linear code equivalence.