Confined Guessing: New Signatures From Standard Assumptions

  title={Confined Guessing: New Signatures From Standard Assumptions},
  author={Florian B{\"o}hl and Dennis Hofheinz and Tibor Jager and Jessica Koch and Christoph Striecks},
  journal={Journal of Cryptology},
We put forward a new technique to construct very efficient and compact signature schemes. Our technique combines several instances of only a mildly secure signature scheme to obtain a fully secure scheme. Since the mild security notion we require is much easier to achieve than full security, we can combine our strategy with existing techniques to obtain a number of interesting new (stateless and fully secure) signature schemes. Concretely, we get (1) A scheme based on the computational Diffie… CONTINUE READING
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