Implementation and Evaluation of an Identity-Based Encryption with Security Against the KGC

Shuntaro Ema, Yuta Sato,Keita Emura,Toshihiro Ohigashi

2021 Ninth International Symposium on Computing and Networking Workshops (CANDARW)（2021）

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摘要

In identity-based encryption (IBE), a key generation center (KGC) issues a secret key for an identity. Although any value can be used as a public key, the KGC has the potential to decrypt all ciphertexts even if it is not the actual destination. To solve this key escrow problem, Emura, Katsumata, and Watanabe (EKW) proposed an IBE scheme with security against KGC (ESORICS 2019) and provided a pair...

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关键词

Identity-based encryption,Key escrow problem,Implementation,Pairings

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