## CryptoDB

### Guillermo Pascual-Perez

#### Publications

Year
Venue
Title
2018
PKC
We present a practical cryptanalysis of WalnutDSA, a digital signature algorithm trademarked by SecureRF. WalnutDSA uses techniques from permutation groups, matrix groups and braid groups, and is designed to provide post-quantum security in lightweight IoT device contexts. The attack given in this paper bypasses the E-Multiplication$^{\text {TM}}$TM and cloaked conjugacy search problems at the heart of the algorithm and forges signatures for arbitrary messages in approximately two minutes. We also discuss potential countermeasures to the attack.

#### Coauthors

Daniel Hart (1)
DoHoon Kim (1)
Giacomo Micheli (1)
Christophe Petit (1)
Yuxuan Quek (1)