Secrecy of (fixed-length) stream ciphers - PowerPoint Presentation

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Uploaded On 2017-07-12

Secrecy of (fixed-length) stream ciphers - PPT Presentation

Thm If G is a PRG then the fixedlength stream cipher Gen Enc Dec described below has indistinguishable encryptions in the presence of an eavesdropper 0 Plaintexts and ID: 569479

prg stream cipher attacker stream prg attacker cipher length enck indistinguishability cpa ciphers gen security m11 negligible plaintext message attacks key multi

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