Techniques for enhancing identity-based encryption and predicate encryption will be discussed. Topic 1: Downgradable Identity-Based Encryption and Applications Authors: Olivier Blazy; Paul Germouty; Duong Hieu Phan Topic 2: Large Universe Subset Predicate Encryption Based on Static Assumption (without Random Oracle) Authors: Sanjit Chatterjee and Sayantan Mukherjee