RSA key generation: new attacks

  • Authors:
  • Camille Vuillaume;Takashi Endo;Paul Wooderson

  • Affiliations:
  • Renesas Electronics, Tokyo, Japan;Renesas Electronics, Tokyo, Japan;Renesas Electronics, Bourne End, UK

  • Venue:
  • COSADE'12 Proceedings of the Third international conference on Constructive Side-Channel Analysis and Secure Design
  • Year:
  • 2012

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Abstract

We present several new side-channel attacks against RSA key generation. Our attacks may be combined and are powerful enough to fully reveal RSA primes generated on a tamper-resistant device, unless adequate countermeasures are implemented. More precisely, we describe a DPA attack, a template attack and several fault attacks against prime generation. Our experimental results confirm the practicality of the DPA and template attacks. To the best of our knowledge, these attacks are the first of their kind and demonstrate that basic timing and SPA countermeasures may not be sufficient for high-security applications.