162 search results - page 27 / 33 » A Group Signature Scheme from Lattice Assumptions |
110
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SP
2003
IEEE
15 years 3 months ago
2003
IEEE
Consider a CIA agent who wants to authenticate herself to a server, but does not want to reveal her CIA credentials unless the server is a genuine CIA outlet. Consider also that t...
IACR
2011
13 years 10 months ago
2011
We put forward a generalization of lossy trapdoor functions (LTFs). Namely, all-but-many lossy trapdoor functions (ABM-LTFs) are LTFs that are parametrized with tags. Each tag can...
EUROCRYPT
2001
Springer
15 years 3 months ago
2001
Springer
We formalize the notion of a cryptographic counter, which allows a group of participants to increment and decrement a cryptographic representation of a (hidden) numerical value pri...
EUROCRYPT
2001
Springer
15 years 3 months ago
2001
Springer
Abstract. We show that finding an efficiently computable injective homomorphism from the XTR subgroup into the group of points over GF(p2 ) of a particular type of supersingular e...
123
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EUROCRYPT
2010
Springer
15 years 3 months ago
2010
Springer
In this paper, we present two fully secure functional encryption schemes. Our first result is a fully secure attribute-based encryption (ABE) scheme. Previous constructions of AB...