
dyen
In-memory Mach-O dylib loader for stock macOS Python; decrypts, maps, and runs payloads without dlopen or writing to disk, with optional encrypted…

In-memory Mach-O dylib loader for stock macOS Python; decrypts, maps, and runs payloads without dlopen or writing to disk, with optional encrypted…

Offline, open-source web app for passkey-based file encryption and sharing. AES-256-GCM/HPKE, no cloud, no accounts; encrypt to recipients with…

Educational study of Bitcoin key entropy: weak-RNG wallet enumeration (Milk Sad / CVE-2023-39910 class) vs. the infeasibility of brute-forcing a good…

Encrypts and decrypts files and folders on Windows with AES-256-GCM, using a USB physical key plus password-derived wrapping, integrity checks,…

Bazzite plus a TPM boot attestation layer. Work in progress: builds unverified, UKI mechanism unresolved. Spec: github.com/plunder707/attested-gaming

Continuously fetches and cryptographically verifies key transparency log updates, maintains a condensed prefix and log tree view, and returns signed…

Provides library functionality for FIDO2, including communication with a device over USB or NFC.

Home to the Signal Protocol as well as other cryptographic primitives which make Signal possible.

High-performance, bias-free cryptographic engine in Ada/SPARK leveraging native OS entropy pools.

A community‑driven cybersecurity knowledge base with 400+ notes, mind‑maps, and cheat‑sheets – built from first principles. Ideal for students, SOC…

Embed multiple secret messages in LLM chat token choices using arithmetic/Discop steganographic coders, with bit-exact decoding and steganalysis…

High-performance authoritative DNS server with DNSSEC support, delivering RFC-compliant name resolution for secure and reliable production…

Vault app for DC34 badge

Peer-to-peer, end-to-end encrypted chat. No inbox. No account to recover. Nobody's listening — not even us.

Hash collisions and exploitations

Hash collisions and their exploitations

List of unsafe ed25519 signature libs

bad stuffs by bad guys