Stream cipher is an important branch of symmetric cryptosystems, which takes obvious
advantages in speed and scale of hardware implementation. It is suitable for using in the …

Designing an efficient cipher was always a delicate balance between linear and non-linear
operations. This goes back to the design of DES, and in fact all the way back to the seminal …

We propose a new class of post-quantum digital signature schemes that:(a) derive their
security entirely from the security of symmetric-key primitives, believed to be quantum …

The current standalone deep learning framework tends to result in overfitting and low utility.
This problem can be addressed by either a centralized framework that deploys a central …

We explore cryptographic primitives with low multiplicative complexity. This is motivated by
recent progress in practical applications of secure multi-party computation (MPC), fully …

Motivated by new applications such as secure Multi-Party Computation (MPC), Fully
Homomorphic Encryption (FHE), and Zero-Knowledge proofs (ZK), the need for symmetric …

In typical applications of homomorphic encryption, the first step consists for Alice of
encrypting some plaintext m under Bob's public key pk pk and of sending the ciphertext c …

In this paper, we present a new type of algebraic attack that applies to many recent
arithmetization-oriented families of permutations, such as those used in Griffin, Anemoi …

The idea of hybrid homomorphic encryption (HHE) is to drastically reduce bandwidth
requirements when using homomorphic encryption (HE) at the cost of more expensive …

Efficient PRP/PRFs are instrumental to the design of cryptographic protocols. We investigate
the design of dedicated PRP/PRFs for three application areas-secure multiparty computation …