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| 18/08/2019
Unifying Leakage Models on a Rényi Day
In this work, we provide new strategies to prove the security of masked implementations.
| 07/07/2019
Exploiting Determinism in Lattice-based Signatures: Practical Fault Attacks on pqm4 Implementations of NIST Candidates
In this paper, we analyze the implementation level fault vulnerabilities of deterministic lattice-based signature schemes.
| 26/06/2019
BEARZ Attack FALCON: Implementation Attacks with Countermeasures on the FALCON Signature Scheme
This research proposes the first fault attack analysis of FALCON and finds its lattice trapdoor sampler is as vulnerable to fault attacks as the GPV sampler used in alternative signature schemes.
| 10/05/2019
Round5: Compact and Fast Post-quantum Public-Key Encryption
We present the ring-based configuration of the NIST submission Round5, a Ring Learning with Rounding (RLWR)- based IND-CPA secure public-key encryption scheme.
| 06/04/2019
More Efficient Algorithms for the NTRU Key Generation Using the Field Norm
This work shows how to speed up key generation for NTRU-based algorithms by 100x.
| 17/12/2018
Anonymous Reputation Systems Achieving Full Dynamicity from Lattices
In this work, we revisit the Anonymous Reputation Systems presented by Blömer et al. in (FC’15).
| 12/11/2018
Shorter Messages and Faster Post-Quantum Encryption with Round5 on Cortex M
Round5 is a Public Key Encryption and Key Encapsulation Mechanism (KEM) based on General Learning with Rounding (GLWR), a lattice problem. We implement Round5 on Cortex M4.
| 01/03/2018
Attribute-Based Signatures for Unbounded Circuits in the ROM and Efficient Instantiations from Lattices
In this work, we affirmatively close the gap between ABS schemes based on bilinear maps and lattices by constructing the first lattice-based ABS scheme for unbounded circuits in the random oracle model.