Toward RSA-OAEP Without Random Oracles

Explore a conference talk presented at PKC 2020 that delves into the security of RSA-OAEP encryption without relying on random oracles. Learn about the paper's key findings, including the introduction of extractable functions, EXTO and EXTI notions, and various security concepts such as IND-CPA, XOR-IND, and IND-CCA2. Gain insights into the researchers' approach to proving security, their analysis of potential attacks, and the implications of their work for public-key encryption. Discover how this research contributes to the ongoing efforts to strengthen cryptographic systems and enhance our understanding of encryption security in real-world applications.