45 search results - page 7 / 9 » Simple Functional Encryption Schemes for Inner Products |
FSE
2007
Springer
14 years 1 months ago
2007
Springer
Abstract. “Hash then encrypt” is an approach to message authentication, where first the message is hashed down using an ε-universal hash function, and then the resulting k-bi...
NDSS
2003
IEEE
14 years 26 days ago
2003
IEEE
In this work we revisit and formally study the notion of proxy cryptography. Intuitively, various proxy functions allow two cooperating parties F (the “FBI”) and P (the “pro...
ASIACRYPT
2000
Springer
13 years 12 months ago
2000
Springer
Abstract. We investigate several alternate characterizations of pseudorandom functions (PRFs) and pseudorandom permutations (PRPs) in a concrete security setting. By analyzing the ...
ECCC
2007
13 years 7 months ago
2007
We show how to construct a variety of “trapdoor” cryptographic tools assuming the worst-case hardness of standard lattice problems (such as approximating the length of the sho...
KES
2008
Springer
13 years 7 months ago
2008
Springer
Abstract. This work proposes a family of language-independent semantic kernel functions defined for individuals in an ontology. This allows exploiting wellfounded kernel methods fo...