Seongan Lim, Juhee Lee and Youngjoo An Key exposure free chameleon hash schemes based on discrete logarithm problem Security and Communication Networks 6
The chameleon hash key pair (skCH, pkCH) of the verifier guarantees that the verifier is the only one who can compute a hash collision, which means a signature forgery. The algorithm UForge guarantees the non-transferability of the signature, and the algorithm IForge guarantees the message privacy of the signer. In this paper, we present a key(skCH) exposure free chameleon hash scheme based on discrete logarithm problem.
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