Signature Technology for Power Internet of Things Terminals

Most of the existing signature schemes of designated verifier are implemented by bilinear pairings. Due to the high computation of bilinear pairings, it is necessary to reduce the number of bilinear pairings properly to improve the efficiency of signature. At present, some researchers have begun to consider the use of discrete logarithm or elliptic curve to replace the calculation of bilinear pairs, so as to reduce the amount of calculation and improve the efficiency of the scheme. This paper designs a signature scheme of designated verifier based on discrete logarithm, and proves the security of the scheme under the oracle model.