Image Encryption Using Chaotic Box Partition-Permutation and Modular Diffusion with PBKDF2 Key Derivation. - Javier Alberto Vargas Valencia; Mauricio A. Londoño-Arboleda; Hernán David Salinas; Carlos Alberto Marín Arango; Luis Fernando Duque Gómez (J. Cybersecur. Priv., 2026)