A Publicly Verifiable Leveled Fully Homomorphic Signcryption Scheme
Zhaoxuan Bian,
Fuqun Wang,
Renjun Zhang
et al.
Abstract:With the deepening of research, how to construct a fully homomorphic signcryption scheme based on standard assumptions is a problem that we need to solve. For this question, recently, Jin et al. proposed a leveled fully homomorphic signcryption scheme from standard lattices. However, when verifying, it is supposed to unsigncrypt first as they utilize sign-then-encrypt method. This leads to users being unable to verify the authenticity of the data first, which resulting in the waste of resources. This raises an… Show more
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