Two Party RSA Key Generation

  • Authors:
  • Niv Gilboa

  • Affiliations:
  • -

  • Venue:
  • CRYPTO '99 Proceedings of the 19th Annual International Cryptology Conference on Advances in Cryptology
  • Year:
  • 1999

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Abstract

We present a protocol for two parties to generate an RSA key in a distributed manner. At the end of the protocol the public key: a modulus N = PQ, and an encryption exponent e are known to both parties. Individually, neither party obtains information about the decryption key d and the prime factors of N: P and Q. However, d is shared among the parties so that threshold decryption is possible.