53 search results - page 5 / 11 » On the (Im)Possibility of Key Dependent Encryption |
PKC
2012
Springer
11 years 10 months ago
2012
Springer
We initiate the study of security for key-dependent messages (KDM), sometimes also known as “circular” or “clique” security, in the setting of identity-based encryption (I...
DBSEC
2008
13 years 9 months ago
2008
Current security mechanisms are not suitable for organisations that outsource their data management to untrusted servers. Encrypting and decrypting sensitive data at the client si...
CRYPTO
2010
Springer
13 years 8 months ago
2010
Springer
Side-channel attacks have often proven to have a devastating effect on the security of cryptographic schemes. In this paper, we address the problem of storing cryptographic keys a...
IACR
2011
12 years 7 months ago
2011
KASUMI is a block cipher which consists eight Feistel rounds with a 128-bit key. The confidentiality and integrity of UMTS, GSM and GPRS mobile communications systems depend heavi...
CTRSA
2011
Springer
12 years 11 months ago
2011
Springer
Abstract. Online ciphers are deterministic length-preserving permutations EK : ({0, 1}n )+ → ({0, 1}n )+ where the i-th block of ciphertext depends only on the first i blocks of...