An IBE scheme using ECC combined public key |
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| Authors: | Rui Zhang Jiqiang Liu Zhen Han Lijuan Zheng |
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| Affiliation: | a Computer and Information Technology Department, Beijing Jiaotong University, Beijing 100044, China;b Computer and Information Engineering Department, Shijiazhuang Railway Institute, Hebei, Shijiazhuang 050043, China |
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| Abstract: | ECC combined public key is a new technology of scalable key management. In this paper, we propose an identity-based encryption (IBE) scheme using ECC combined public key (CPK). The scheme is based on bilinear maps between groups and proved semantically secure in the random oracle model under a variant of Computational Diffie-Hellman (CDH) assumption–Bilinear Diffie-Hellman (BDH) assumption. |
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| Keywords: | Identity-based encryption Chosen ciphertext attack Bilinear Diffie-Hellman problem ECC combined public key |
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