324 search results - page 47 / 65 » A new signature scheme without random oracles |
STOC
2009
ACM
14 years 9 months ago
2009
ACM
We consider matrix groups, specified by a list of generators, over finite fields. The two most basic questions about such groups are membership in and the order of the group. Even...
AFRICACRYPT
2010
Springer
13 years 11 months ago
2010
Springer
Abstract. Proxy re-encryption (PRE) allows a semi-trusted proxy to convert a ciphertext originally intended for Alice into one encrypting the same plaintext for Bob. The proxy only...
PET
2010
Springer
14 years 12 days ago
2010
Springer
In this work, we propose a new platform to enable service providers, such as web site operators, on the Internet to block past abusive users of anonymizing networks (for example, T...
IACR
2011
12 years 8 months ago
2011
We give new methods for generating and using “strong trapdoors” in cryptographic lattices, which are simultaneously simple, efficient, easy to implement (even in parallel), a...
CRYPTO
2003
Springer
14 years 1 months ago
2003
Springer
NTRUEncrypt is unusual among public-key cryptosystems in that, with standard parameters, validly generated ciphertexts can fail to decrypt. This affects the provable security prop...