163 search results - page 2 / 33 » Relaxing Chosen-Ciphertext Security |
TCC
2004
Springer
13 years 10 months ago
2004
Springer
Recently Canetti, Krawczyk and Nielsen defined the notion of replayable adaptive chosen ciphertext attack (RCCA) secure encryption. Essentially a cryptosystem that is RCCA secure ...
EUROCRYPT
2009
Springer
14 years 5 months ago
2009
Springer
Recently, at Crypto 2008, Boneh, Halevi, Hamburg, and Ostrovsky (BHHO) solved the longstanding open problem of "circular encryption," by presenting a public key encrypti...
ACISP
2007
Springer
13 years 9 months ago
2007
Springer
Abstract. We propose new instantiations of chosen-ciphertext secure identitybased encryption schemes with wildcards (WIBE). Our schemes outperform all existing alternatives in term...
TCC
2005
Springer
13 years 10 months ago
2005
Springer
Encryption of data using multiple, independent encryption schemes (“multiple encryption”) has been suggested in a variety of contexts, and can be used, for example, to protect ...
PROVSEC
2009
Springer
13 years 11 months ago
2009
Springer
This paper explains how to design fully secure RSA-type cryptosystems from schemes only secure against passive attacks, in the standard model. We rely on instance-independence assu...