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@article{Bellare2009SubtletiesIT, title={Subtleties in the Definition of IND-CCA: When and How Should Challenge Decryption Be Disallowed?}, author={Mihir Bellare and Dennis Hofheinz and Eike Kiltz}, journal={Journal of Cryptology}, year={2009}, volume={28}, pages={29-48} }

- Published 2009 in Journal of Cryptology
DOI:10.1007/s00145-013-9167-4

IND-CCA (indistinguishability under adaptive chosen-ciphertext attacks) is a central notion of security for public-key encryption, defined and targeted in many papers. Non-triviality of the notion requires that the adversary not query the challenge ciphertext to the decryption oracle. We point out that this “no-challenge-decryption” condition can be… CONTINUE READING

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