345 search results - page 2 / 69 » On the Security of a Variation of Cramer-Shoup's Public Key ... |
ASIACRYPT
2005
Springer
13 years 12 months ago
2005
Springer
Abstract. We first propose the notion of universally anonymizable publickey encryption. Suppose that we have the encrypted data made with the same security parameter, and that the...
ICALP
2005
Springer
13 years 12 months ago
2005
Springer
Abstract An encryption scheme is non-malleable if the adversary cannot transform a ciphertext into one of a related message under the given public key. Although providing a very st...
PKC
2005
Springer
13 years 12 months ago
2005
Springer
Abstract. We define and discuss symmetric subgroup membership problems and their properties, including a relation to the Decision DiffieHellman problem. We modify the Cramer-Shoup...
JOC
2010
13 years 4 months ago
2010
We present a new encryption scheme which is secure against adaptive chosenciphertext attack (or CCA2-secure) in the standard model (i.e. without the use of random oracle). Our sch...
SCN
2008
Springer
13 years 6 months ago
2008
Springer
Consider an electronic election scheme implemented using a mix-net; a large number of voters submit their votes and then a smaller number of servers compute the result. The mix-net...