Hierarchical ID-Based Cryptography

  • Authors:
  • Craig Gentry;Alice Silverberg

  • Affiliations:
  • -;-

  • Venue:
  • ASIACRYPT '02 Proceedings of the 8th International Conference on the Theory and Application of Cryptology and Information Security: Advances in Cryptology
  • Year:
  • 2002

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Abstract

We present hierarchical identity-based encryption schemes and signature schemes that have total collusion resistance on an arbitrary number of levels and that have chosen ciphertext security in the random oracle model assuming the difficulty of the Bilinear Diffie-Hellman problem.