41 search results - page 7 / 9 » Threshold Encryption into Multiple Ciphertexts |
CTRSA
2011
Springer
12 years 8 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...
CRYPTO
2012
Springer
11 years 7 months ago
2012
Springer
We propose a general multiparty computation protocol secure against an active adversary corrupting up to n−1 of the n players. The protocol may be used to compute securely arithm...
CCS
2009
ACM
14 years 5 months ago
2009
ACM
In distributed systems users need the ability to share sensitive content with multiple other recipients based on their ability to satisfy arbitrary policies. One such system is el...
SCN
2010
Springer
13 years 2 months ago
2010
Springer
Exposure of a secret key is a significant threat in practice. As a notion of security against key exposure, Dodis et al. advocated key-insulated security, and proposed concrete k...
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...