
CTFs
CTF Cheat Sheet + Writeups / Files for some of the Security CTFs that I've done

CTF Cheat Sheet + Writeups / Files for some of the Security CTFs that I've done

Fast cryptographic hash function with PRF, MAC, KDF, and XOF modes. Supports verified streaming, incremental updates, and parallelized hashing via…

Zip file format fuzzer and multi-tool.

Least Significant Bit Steganography for bitmap images (.bmp and .png), WAV sound files, and byte sequences. Simple LSB Steganalysis (LSB extraction)…

Extracts cryptocurrency private keys and addresses from wallet.dat files for Bitcoin and Litecoin, enabling wallet recovery and forensic analysis.

Proof-of-concept exploit for CVE-2024-52510 demonstrating signature bypass in Nextcloud's E2EEv2 protocol, enabling server-side decryption of…

A simple shell utility for encrypting and decrypting files using scrypt.

Simple C++ Image Steganography tool to encrypt and hide files inside images using Least-Significant-Bit encoding.

Steganographic storage & File encryption tool

Tool to help guess a files 256 byte XOR key by using frequency analysis

Manage WhatsApp .crypt12, .crypt14 and .crypt15 files.

Steganography tool that hides and extracts confidential data in JPEG, BMP, WAV, and AU files with optional compression, encryption, and integrity…

A dead simple tool to sign files and verify digital signatures.

Simple and flexible tool for managing secrets

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

Steganography brute-force utility to uncover hidden data inside files

Transparent file encryption in git

Pre-execution intent verification for AI agents. Audits what your AI is about to do, not what it says. Zero dependencies, deterministic, hash-sealed.