Efficient Hierarchical Identity Based Encryption Scheme in the Standard Model

  title={Efficient Hierarchical Identity Based Encryption Scheme in the Standard Model},
  author={Yanli Ren and Dawu Gu},
  journal={Informatica (Slovenia)},
Constructing identity based schemes is one of the hot topics of current cryptography. Hierarchical identity based cryptography is a generalization of identity based encryption that mirrors an organizational hierarchy. It allows a root public key generator to distribute the workload by delegating public key generation and identity authentication to lower-level public key generators. Currently, there is no hierarchical identity based encryption scheme that is fully secure in the standard model… CONTINUE READING

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IACR Cryptology ePrint Archive • 2002
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