Improved Security Proofs in Lattice-Based Cryptography: Using the Rényi Divergence Rather than the Statistical Distance

Shi Bai (1) , Tancrède Lepoint (2) , Adeline Roux-Langlois (3) , Amin Sakzad (4) , Damien Stehlé (1) , Ron Steinfeld (4)

1 ARIC - Arithmetic and Computing
2 ENS-PSL - École normale supérieure - Paris
3 EMSEC - EMbedded SEcurity and Cryptography
4 Monash University [Clayton]

Domaines: Informatique [cs]; Cryptographie et sécurité [cs.CR]

Shi Bai, Tancrède Lepoint, Adeline Roux-Langlois, Amin Sakzad, Damien Stehlé, et al.. Improved Security Proofs in Lattice-Based Cryptography: Using the Rényi Divergence Rather than the Statistical Distance. Journal of Cryptology, 2018, 31 (2), pp.610 - 640. ⟨10.1007/s00145-017-9265-9⟩. ⟨hal-01934177⟩