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Improved Efficiency for CCA-Secure Cryptosystems Built Using Identity-Based Encryption
Chosen-ciphertext security Identity-based encryption Public-key encryption
2009/3/31
Recently, Canetti, Halevi, and Katz showed a general method for constructing CCA-secure
encryption schemes from identity-based encryption schemes in the standard model. We improve
the efficiency of ...
A Generic Construction of CCA-Secure Cryptosystems without NIZKP for a Bounded Number of Decryption Queries
Generic Construction CCA-Secure Cryptosystems NIZKP Decryption Queries
2008/12/30
In this paper, we propose a generic construction of chosen-ciphertext secure cryptosystems against adversaries with a bounded number of decrytion queries from arbitrary semantically secure encryption ...