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2013•International Conference on Multimedia Information Networking and SecurityRequires access

Chosen-Ciphertext Secure Identity-Based KEM

Huiyan Chen, Dongmei Chen

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Abstract

In this paper, by means of correlated products, we present a lattice-based identity-based key encapsulation mechanism (IB-KEM) that is secure against an adaptive chosen-identity and chosen-cipher text attack (IND-ID-CCA) in the standard model and that is not explicitly derived from hierarchical identity-based techniques. We give a rigorous, games-based proof of our result.

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What this paper is about

In this paper, by means of correlated products, we present a lattice-based identity-based key encapsulation mechanism (IB-KEM) that is secure against an adaptive chosen-identity and chosen-cipher text attack (IND-ID-CCA) in the standard model and that is not explicitly derived from hierarchical identity-based techniques. We give a rigorous, games-based proof of our result.

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Available abstract

In this paper, by means of correlated products, we present a lattice-based identity-based key encapsulation mechanism (IB-KEM) that is secure against an adaptive chosen-identity and chosen-cipher text attack (IND-ID-CCA) in the standard model and that is not explicitly derived from hierarchical identity-based techniques. We give a rigorous, games-based proof of our result.

Key concepts: Ciphertext, Key encapsulation, Identity (music), Computer science, Cipher, Theoretical computer science, Computer security, Encryption

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