NTRUSign: digital signatures using the NTRU lattice

  • Authors:
  • Jeffrey Hoffstein;Nick Howgrave-Graham;Jill Pipher;Joseph H. Silverman;William Whyte

  • Affiliations:
  • NTRU Cryptosystems, Burlington, MA;NTRU Cryptosystems, Burlington, MA;NTRU Cryptosystems, Burlington, MA;NTRU Cryptosystems, Burlington, MA;NTRU Cryptosystems, Burlington, MA

  • Venue:
  • CT-RSA'03 Proceedings of the 2003 RSA conference on The cryptographers' track
  • Year:
  • 2003

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Abstract

We present a mechanism to encrypt to an arbitrary collection of identities using a variant of the Boneh-Franklin identity based encryption scheme. The decryptor is defined by a logical formulae of conjunctions and disjunctions. This enables a simple mechanism to drive access control to broadcast encrypted data using user identities as the public keys.