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Improved lattice-based CCA2-secure PKE in the standard model
2020
Science China Information Sciences
Based on the identity-based encryption (IBE) from lattices by Agrawal et al. (Eurocrypt'10), Micciancio and Peikert (Eurocrypt'12) presented a CCA1-secure public-key encryption (PKE), which has the best known efficiency in the standard model and can be used to obtain a CCA2-secure PKE from lattices by using the generic BCHK transform (SIAM J Comput, 2006) with a cost of introducing extra overheads to both computation and storage for the use of other primitives such as signatures and
doi:10.1007/s11432-019-9861-3
fatcat:gis5on5e3bdsjfcthex2rwgi6e