Sciweavers

73 search results - page 6 / 15
» Practical Chosen Ciphertext Secure Encryption from Factoring
Sort
View
71
Voted
ICICS
2005
Springer
15 years 3 months ago
Multiplex Encryption: A Practical Approach to Encrypting Multi-recipient Emails
Efficiently protecting the privacy of multi-recipient emails is not as trivial as it seems. The approach proposed by S/MIME is to concatenate all ciphertexts. However, it suffers ...
Wei Wei, Xuhua Ding, Kefei Chen
84
Voted
PKC
2009
Springer
102views Cryptology» more  PKC 2009»
15 years 10 months ago
A Practical Key Recovery Attack on Basic TCHo
TCHo is a public key encryption scheme based on a stream cipher component, which is particular suitable for low cost devices like RFIDs. In its basic version, TCHo offers no IND-CC...
Mathias Herrmann, Gregor Leander
CCS
2007
ACM
15 years 3 months ago
Chosen-ciphertext secure proxy re-encryption
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...
Ran Canetti, Susan Hohenberger
ICIC
2009
Springer
15 years 4 months ago
Group-Based Proxy Re-encryption Scheme
Recently, proxy re-encryption scheme received much attention. In this paper, we propose a proxy re-encryption used for divert ciphertext from one group to another. The scheme is bi...
Chunbo Ma, Jun Ao
CRYPTO
2012
Springer
277views Cryptology» more  CRYPTO 2012»
12 years 12 months ago
Multiparty Computation from Somewhat Homomorphic Encryption
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...
Ivan Damgård, Valerio Pastro, Nigel P. Smart...