repoaegis
cosaFile and folder encryption
Encrypts files and folders with a password, for data in transit: USB sticks, sync folders, attachments. XChaCha20-Poly1305, key from Argon2id, password in the system keyring. Packaged for Debian and macOS.
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repoots-optical-transfer
cosaFile transfer using only light
Moves a file between two devices with no network: one screen shows animated QR codes, a camera reads them and rebuilds the file. Fountain code, QR encoder written from scratch, a single HTML file.
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repoctsub
cosaSubdomain enumeration
An alternative to crt.sh: queries fourteen sources in parallel and always reports which ones answered, so you know whether the result is complete or partial.
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repokubernetes-spiegato-semplice
cosaKubernetes explained from scratch
An Italian video series. Every episode’s animations and code live in the repo.
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repolab-ddos
cosaDetecting DDoS with machine learning
Traffic generation, network features, classifier plus autoencoder. Bilingual documentation.
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repojammer
cosa802.11 deauth: detection and mitigation
A teaching lab on deauth attacks and, above all, on detecting them (PMF/802.11w, WPA3). Defense-first, with an explicit legal framing.
repository not public