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CCA-Secure Leakage-Resilient Identity-Based Key-Encapsulation from Simple (not $\mathtt{q}$-type) Assumptions
public-key cryptography leakage-resilient identity-based encryption
2019/8/30
In this paper, we propose a new leakage-resilient identity-based encryption (IBE) scheme that is secure against chosen-ciphertext attacks (CCA) in the bounded memory leakage model. It is the first CCA...
Deja Q All Over Again: Tighter and Broader Reductions of q-Type Assumptions
assumptions reductions
2016/12/10
In this paper, we demonstrate that various cryptographic constructions--including ones for broadcast, attribute-based, and hierarchical identity-based encryption--can rely for security on only the sta...
After more than a decade of usage, bilinear groups have established their place in the cryptographic
canon by enabling the construction of many advanced cryptographic primitives. Unfortunately,
this...