44 search results - page 5 / 9 » Encryption Schemes Secure against Chosen-Ciphertext Selectiv... |
CCS
2007
ACM
15 years 3 months 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...
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PKC
2004
Springer
15 years 2 months ago
2004
Springer
In a practical system, a message is often encrypted more than once by different encryptions, here called multiple encryption, to enhance its security. Additionally, new features ...
CRYPTO
2004
Springer
15 years 3 months 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...
ESORICS
2007
Springer
15 years 3 months ago
2007
Springer
A formal treatment to the privacy of concealed data aggregation (CDA) is given. While there exist a handful of constructions, rigorous security models and analyses for CDA are stil...
EUROCRYPT
2009
Springer
15 years 10 months ago
2009
Springer
The existence of encryption and commitment schemes secure under selective opening attack (SOA) has remained open despite considerable interest and attention. We provide the rst pub...