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Efficient ID-based Non-Malleable Trapdoor Commitments Based on RSA and Factoring
2015
Journal of Communications
Abstract-Non-malleability is an important property in commitment schemes. It can resist to the person-in-the-middle (PIM) attacks within the interaction. In this paper, we focus on the non-malleability in ID-based trapdoor commitments. We first give two constructions of (full) ID-based trapdoor commitment schemes based on RSA and Factoring assumptions respectively and then extend them to non-malleable schemes. The formal proofs show that our proposed schemes satisfy all the desired security properties.
doi:10.12720/jcm.10.5.330-338
fatcat:gxmfmrarindv7ffxjggj4bn7va