136 search results - page 8 / 28 » Threshold Cryptosystems Secure against Chosen-Ciphertext Att... |
CCS
2007
ACM
14 years 27 days ago
2007
ACM
In a proxy re-encryption (PRE) scheme, a proxy is given special information that allows it to translate a ciphertext under one key into a ciphertext of the same message under a di...
EUROCRYPT
2003
Springer
13 years 12 months ago
2003
Springer
Abstract. In this paper we present a simpler construction of a publickey encryption scheme that achieves adaptive chosen ciphertext security (CCA2), assuming the existence of trapd...
CRYPTO
2004
Springer
14 years 3 days ago
2004
Springer
We study cryptographic attacks on random Feistel schemes. We denote by m the number of plaintext/ciphertext pairs, and by k the number of rounds. In their famous paper [3], M. Luby...
JOC
2008
13 years 6 months ago
2008
This paper presents a novel framework for the generic construction of hybrid encryption schemes which produces more efficient schemes than the ones known before. A previous framew...
AAECC
2006
Springer
14 years 21 days ago
2006
Springer
The Fujisaki-Okamoto (FO) conversion is widely known to be able to generically convert a weak public key encryption scheme, say one-way against chosen plaintext attacks (OW-CPA), t...