2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/91235We describe how to achieve optimal entanglement generation and one-way entanglement distillation rates by coherent implementation of a class of secret key generation and secret key distillation protocols, respectively. This short paper is a high-level descrioption of our detailed papers [8] and [10].4 pages, revtex 4Quantum Physicstext