petal
A personal blog about software, security and the occasional self-hosted thing. New posts when they are ready.
Writing
- Why sunflowers count in FibonacciA seed head packs itself with one rule and one irrational angle. The maths is short.
- How this site is setThe type, colours and small decisions behind the look of petal.
- CTFs are deadLLMs are killing CTFs
- LLMs killed my will to do stuffHow llms replaced my ability to sit with hard problems, and why it maybe matters
- No Ads, No Algorithms, No ProblemBig techs hate it! This one simple trick lets you read what you want
- SquarePants Sponge HashingA quick explanation of the sponge hashing algorithm, notably used in SHA-3
- Adaptor Signatures FtWA simple and neat way to "lock" your Schnorr signatures, enabling atomic swaps and more!
- Elliptic Curves for Sane PeopleA gentle introduction to elliptic curve cryptography, without the need for a PhD in mathematics.
- Lagrange Interpolation PrimerA quick and simple explanation on the concept of polynomial interpolation, here Lagrange's in particular.
- Using ECC for (Multi-)SignaturesMath-powered methods for proving message authenticity, sounds great, doesn't it?
- Shamir Secret Sharing in a NutshellHow to split a secret among multiple persons, so that only any subset of n people can recover it ?
- Oh, so you want to work at Traefik?A pretty unusual way to apply for a developer job at Traefik...