Abstract
Inspired by the framework of Boyen, in this paper, an attribute-based signature (ABS) scheme from lattice assumption is proposed. In this attribute-based signature scheme, an entity’s attributes set corresponds to the concatenation of a lattice matrix with the sum of some random matrices, and the signature vector is generated by using the Preimage Sampling algorithm. Compared with current attribute-based signature schemes, this scheme can resist quantum attacks and enjoy shorter public-key, smaller signature size and higher efficiency.
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