A cartoon wild canid on the Internet provides general guidance on elliptic curve cryptography parameter choices.

A cartoon wild canid on the Internet provides general guidance on elliptic curve cryptography parameter choices.
In 2017, cryptography researchers from Kudelski Security demonstrated practical fault attacks against EdDSA (specifically Ed25519; RFC 8032). Their techniques are also applicable to Deterministic ECDSA (RFC 6979), and potentially work against any deterministic signature scheme (n.b. the Fiat-Shamir or Schnorr distinction isn’t meaningful in this context). Although that might seem alarming, fault attacks aren’t especially […]
Let’s talk about digital signature algorithms. Digital signature algorithms are one of the coolest ideas to come out of asymmetric (a.k.a. public-key) cryptography, but they’re so simple and straightforward that most cryptography nerds don’t spend a lot of time thinking about them. Even though you are more likely to run into a digital signature as […]
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