AMIS implemented a hierarchical variant of threshold signatures, using different levels/ranks in its distributed key generation (DKG) and signing logic, based on a previous research paper.
Tag: cyber
An Introduction to Oblivious RAM (ORAM)
In this article we are going to have a look at a special kind of privacy-preserving cryptographic scheme: ORAMs. The acronym ORAM stands for Oblivious
5 Common CFP Submission Mistakes for Security Conferences
Throughout my years on the review board for Black Hat, I’ve seen quite a few mistakes in submissions. Many of these mistakes are ones I’ve
Differential privacy: a comparison of libraries
Note that this article is a hands-on, applied, comparison and does not try to explain all the details of differential privacy. For more background information
FIDO2 Deep Dive: Attestations, Trust model and Security
Update 2020-02-14: As pointed out by a reader (thank you!), attestations do not protect against man-in-the-middle attacks where an attacker owns a genuine authenticator of
Decoding Lecroy oscilloscope traces with sigrok
Sigrok is an open source signal analysis software suite which is very helpful for the analysis of hardware protocols. The two main tools provided by
