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Explore advanced concepts in public key cryptography, focusing on Hierarchical Identity Based Encryption (HIBE) and its applications. Delve into decentralized storage, adaptive CPA security, and the challenges of security loss in unbounded systems. Examine the high-level ideas behind HIBE algorithms, discuss open questions in the field, and analyze the core concepts of level setting in cryptographic protocols. Gain insights into the latest developments and future directions of public key cryptography in this informative lecture.
