SPK is a single-packet authorization (SPA) port knocking tool that uses post-quantum key encapsulation to protect servers by acting as a cryptographic whitelist layer.
Production-grade quantum-resistant steganography toolkit in Go. Implements 7 image/audio/text techniques, Kyber-1024 and Dilithium3, Reed-Solomon error correction, and 4 distribution patterns via a full CLI, following Clean Architecture (DDD + CQRS).