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Hierarchical ID-based cryptography. (English) Zbl 1065.94547
Zheng, Yuliang (ed.), Advances in cryptology - ASIACRYPT 2002. 8th international conference on the theory and application of cryptology and information security, Queenstown, New Zealand, December 1–5, 2002. Proceedings. Berlin: Springer (ISBN 3-540-00171-9). Lect. Notes Comput. Sci. 2501, 548-566 (2002).
Summary: 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.
For the entire collection see [Zbl 1001.00014].

MSC:
94A60 Cryptography
94A62 Authentication, digital signatures and secret sharing
14G50 Applications to coding theory and cryptography of arithmetic geometry
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