Guerlain, the cosmetics brand owned by French luxury giant LVMH, on Thursday defended its communication around a cream that claims to be innovative but has been mocked on social networks for its use of the scientific term "quantum".
FIDO2 security keys offer a versatile range of user authentication options. We have explored some of these possibilities during a workshop we presented at ph0wn. This post delves deeper into setting up disk encryption with LUKS safeguarded by a security key. We also explain the underlying mechanics and highlight pitfalls to avoid.
A lattice attack has been recently published under the name “The curious case of the half-half Bitcoin ECDSA nonces” and experimented against Bitcoin. As a Swiss team loving the half and half cheese fondue, we had to investigate such attack. We discovered that our previous attack, “Polynonce“, is also applicable to this way of generating ECDSA nonces. We explain how in this post and show the results we obtained compared to the paper.
We have previously announced a timelocked responsible disclosure and it is accessible since February 23, 2023 at 00:00 (CEST). The previously encrypted report can now be decrypted at timevault.drand.love.
