The Fujisaki–Okamoto Transform in the Context of Quantum Threats
Security, Privacy & Cryptographic Solutions: 46SP 2025
This paper investigates a Hierarchical Identity Based Encryption () scheme, with emphasis on the construction of D. Cash, D. Hofheinz, E. Kiltz, and Ch. Peikert. The scheme is founded on -ary lattices and its security relies on the hardness of the Learning With Errors ()…