RookDuel Avikal

RookDuel Avikal is a secure archive system from India that protects important files using a novel combination of chess-based key records, NIST-standard post-quantum cryptography (ML-KEM-1024, ML-DSA, SLH-DSA), Devanagari keyphrases, and TimeCapsule release via drand or upcoming Aavrit. It offers AES-256-GCM encryption, Argon2id password hardening, SHA-256 checksums, and HKDF key separation. The archive format is open source (Apache 2.0) and designed for individuals, institutions, and teams who need sovereign digital custody without backdoors. Use cases include secure document archiving, scheduled disclosures, legal records, and personal file preservation.