2967 search results - page 442 / 594 » Cryptology |
153
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TCC
2005
Springer
15 years 11 months ago
2005
Springer
Let ψ be a 2-DNF formula on boolean variables x1, . . . , xn ∈ {0, 1}. We present a homomorphic public key encryption scheme that allows the public evaluation of ψ given an en...
139
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TCC
2005
Springer
15 years 11 months ago
2005
Springer
Several compositional forms of simulation-based security have been proposed in the literature, including universal composability, black-box simulatability, and variants thereof. Th...
131
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TCC
2005
Springer
15 years 11 months ago
2005
Springer
We study the limitations of steganography when the sender is not using any properties of the underlying channel beyond its entropy and the ability to sample from it. On the negati...
145
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TCC
2005
Springer
15 years 11 months ago
2005
Springer
We study the problem of privacy-preserving access to a database. Particularly, we consider the problem of privacy-preserving keyword search (KS), where records in the database are ...
132
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WCC
2005
Springer
15 years 11 months ago
2005
Springer
Abstract. The Matsumoto-Imai (MI) cryptosystem was the first multivariate public key cryptosystem proposed for practical use. Though MI is now considered insecure due to Patarin...