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Chosen-Ciphertext Secure Fuzzy Identity-Based Key Encapsulation without ROM

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Název: Chosen-Ciphertext Secure Fuzzy Identity-Based Key Encapsulation without ROM
Autoři: Liming Fang, Ong Wang, Yongjun Ren, Jinyue Xia, Shizhu Bian
Přispěvatelé: The Pennsylvania State University CiteSeerX Archives
Zdroj: http://eprint.iacr.org/2008/139.pdf.
Sbírka: CiteSeerX
Témata: chosen-ciphertext security, hybrid encryption, fuzzy identity based encryption, key
Popis: We use hybrid encryption with Fuzzy Identity-Based Encryption (Fuzzy-IBE) schemes, and present the first and efficient fuzzy identity-based key encapsulation mechanism (Fuzzy-IB-KEM) schemes which are chosen-ciphertext secure (CCA) without random oracle in the selective-ID model. To achieve these goals, we consider Fuzzy-IBE schemes as consisting of separate key and data encapsulation mechanisms (KEM-DEM), and then give the definition of Fuzzy-IB-KEM. Our main idea is to enhance Sahai and Waters ' "large universe " construction, chosen-plaintext secure (CPA) Fuzzy-IBE, by adding some redundant information to the ciphertext to make it CCA-secure.
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Popis souboru: application/pdf
Jazyk: English
Relation: http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.215.6209; http://eprint.iacr.org/2008/139.pdf
Dostupnost: http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.215.6209
http://eprint.iacr.org/2008/139.pdf
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Přístupové číslo: edsbas.44E8468A
Databáze: BASE
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  Data: Chosen-Ciphertext Secure Fuzzy Identity-Based Key Encapsulation without ROM
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  Data: <searchLink fieldCode="AR" term="%22Liming+Fang%22">Liming Fang</searchLink><br /><searchLink fieldCode="AR" term="%22Ong+Wang%22">Ong Wang</searchLink><br /><searchLink fieldCode="AR" term="%22Yongjun+Ren%22">Yongjun Ren</searchLink><br /><searchLink fieldCode="AR" term="%22Jinyue+Xia%22">Jinyue Xia</searchLink><br /><searchLink fieldCode="AR" term="%22Shizhu+Bian%22">Shizhu Bian</searchLink>
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  Data: We use hybrid encryption with Fuzzy Identity-Based Encryption (Fuzzy-IBE) schemes, and present the first and efficient fuzzy identity-based key encapsulation mechanism (Fuzzy-IB-KEM) schemes which are chosen-ciphertext secure (CCA) without random oracle in the selective-ID model. To achieve these goals, we consider Fuzzy-IBE schemes as consisting of separate key and data encapsulation mechanisms (KEM-DEM), and then give the definition of Fuzzy-IB-KEM. Our main idea is to enhance Sahai and Waters ' "large universe " construction, chosen-plaintext secure (CPA) Fuzzy-IBE, by adding some redundant information to the ciphertext to make it CCA-secure.
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      – SubjectFull: hybrid encryption
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      – SubjectFull: fuzzy identity based encryption
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