In 2003, Yang, Chang, and Hwang proposed an enhanced scheme of Peyravivan-Zunic’s password authentication scheme by using the Diffie-Hellman scheme. Later, Yoon, Ryu, and Yoo de...
TTS is a genre of multivariate digital signature schemes first proposed in 2002. Its public map is composed of two affine maps sandwiching a Tame Map, which is a map invertible t...