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Erschienen in:
2012 | OriginalPaper | Buchkapitel
New Chosen Ciphertext Secure Public Key Encryption in the Standard Model with Public Verifiability
verfasst von : Zhiwei Weng, Jian Weng, Kai He, Yingkai Li
Erschienen in: Advanced Intelligent Computing Theories and Applications. With Aspects of Artificial Intelligence
Verlag: Springer Berlin Heidelberg
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We present a new public-key encryption scheme, and prove its adaptive chosen-ciphertext security under the gap hashed Diffie-Hellman assumption in the standard model. Compared with previous public key encryption schemes with adaptive chosen-ciphertext security, our proposed scheme simultaneously enjoys the following advantages: small public key size, short ciphertext, low computational cost, weak complexity assumption and public verifiability.