35 search results - page 6 / 7 » An Efficient Public Key Trace and Revoke Scheme Secure again... |
CCS
2009
ACM
14 years 5 months ago
2009
ACM
In a proxy re-encryption (PRE) scheme [4], a proxy, authorized by Alice, transforms messages encrypted under Alice's public key into encryptions under Bob's public key w...
ESORICS
2007
Springer
13 years 11 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...
DCC
2008
IEEE
14 years 4 months ago
2008
IEEE
In this paper, we formally prove that padding the plaintext with a random bit-string provides the semantic security against chosen plaintext attack (IND-CPA) for the McEliece (and ...
CISC
2007
Springer
13 years 11 months ago
2007
Springer
Abstract. Key privacy is a notion regarding the privacy of the owner of a public key, which has important applications in building (receiver) anonymous channels, or privacy-enhance...
TYPES
2004
Springer
13 years 10 months ago
2004
Springer
Abstract. Most approaches to the formal analysis of cryptography protocols make the perfect cryptographic assumption, which entails for example that there is no way to obtain knowl...