136 search results - page 12 / 28 » Threshold Cryptosystems Secure against Chosen-Ciphertext Att... |
TCC
2010
Springer
14 years 3 months ago
2010
Springer
We present a variant of Regev’s cryptosystem first presented in [Reg05], but with a new choice of parameters. By a recent classical reduction by Peikert we prove the scheme sema...
ASIACRYPT
2001
Springer
13 years 11 months ago
2001
Springer
Threshold cryptosystems and signature schemes give ways to distribute trust throughout a group and increase the availability of cryptographic systems. A standard approach in design...
ISPEC
2010
Springer
13 years 8 months ago
2010
Springer
Often authentication and confidentiality are required as simultaneous key requirements in many cryptographic applications. The cryptographic primitive called signcryption effective...
IACR
2011
12 years 6 months ago
2011
In this paper we present the first public key encryption scheme that is structure preserving, i.e., our encryption scheme uses only algebraic operations. In particular it does not...
CISC
2007
Springer
14 years 27 days 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...