A Systematic Literature Review of Lattice-Based Key Encapsulation Mechanisms and Digital Signatures: Current Status, Research Gaps, and Future Directions. - Dereje Wasihun Mellese; Zebene G. Tefera; Melaku Berhe Belay; Gizachew Haile Seffa; Adem Guluma Negewo; Zelalem Gizachew Acham; Mekonnen Andualem Atinaf; Daniel Merkebu Adamu (IEEE Access, 2026)