`-Invertible Cycles for Multivariate Quadratic (MQ) Public Key Cryptography

نویسندگان

  • Jintai Ding
  • Christopher Wolf
  • Bo-Yin Yang
چکیده

We propose a new basic trapdoor `IC (`-Invertible Cycles) of the mixed field type forMultivariate Quadratic public key cryptosystems. This is the first new basic trapdoor since the invention of Unbalanced Oil and Vinegar in 1997. `IC can be considered an extended form of the well-known Matsumoto-Imai Scheme A (also MIA or C∗), and share some features of stagewise triangular systems. However `IC has very distinctive properties of its own. In practice, `IC is much faster than MIA, and can even match the speed of single-field MQ schemes.

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تاریخ انتشار 2007