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Keywords:

  • identity-based encryption (IBE);
  • ad hoc networks;
  • public key encryption (PKE);
  • bilinear pairings

ABSTRACT

In this paper, we present a new identity-based encryption (IBE) scheme using bilinear pairings. Compared with the famous IBE scheme of Boneh and Franklin, ours is more practical in the multiple private key generator (multiple-PKG) environment. We prove that our scheme meets chosen ciphertext security in the random oracle model, assuming the intractability of the standard bilinear Diffie–Hellman problem. Copyright © 2013 John Wiley & Sons, Ltd.