Breaking RSA Generically Is Equivalent to Factoring

  • Authors:
  • Divesh Aggarwal;Ueli Maurer

  • Affiliations:
  • Department of Computer Science, ETH Zurich, Zurich, Switzerland CH-8092;Department of Computer Science, ETH Zurich, Zurich, Switzerland CH-8092

  • Venue:
  • EUROCRYPT '09 Proceedings of the 28th Annual International Conference on Advances in Cryptology: the Theory and Applications of Cryptographic Techniques
  • Year:
  • 2009

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Abstract

We show that a generic ring algorithm for breaking RSA in *** N can be converted into an algorithm for factoring the corresponding RSA-modulus N . Our results imply that any attempt at breaking RSA without factoring N will be non-generic and hence will have to manipulate the particular bit-representation of the input in *** N . This provides new evidence that breaking RSA may be equivalent to factoring the modulus.