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Learn about advanced encryption techniques in this 26-minute conference talk presented at Eurocrypt 2016. Explore the concepts of Chosen-Plaintext Attack (CPA), Chosen-Ciphertext Attack (CCA), and tight security in encryption. Examine prior works on CCA-secure encryption and gain insights into a new construction approach. Delve into topics such as tag-based encryption, Damgård El Gamal encryption, and Cramer Shoup encryption. Follow the presenters' proof sketch and understand the implications of their findings for tightly CCA-secure encryption without pairings.
