163 search results - page 15 / 33 » Relaxing Chosen-Ciphertext Security |
JCS
2010
13 years 6 months ago
2010
Protocol authentication properties are generally trace-based, meaning that authentication holds for the protocol if authentication holds for individual traces (runs of the protoco...
IACR
2011
12 years 7 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...
ICICS
2004
Springer
14 years 1 months ago
2004
Springer
E-mail system has become one of the most important and popular Internet services. Instead of using traditional surface mail, we have the alternative of employing e-mail system whic...
CISC
2007
Springer
14 years 2 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...
ASIACRYPT
2005
Springer
14 years 1 months ago
2005
Springer
In this paper, we discuss non-interactive updating of decryption keys in identity-based encryption (IBE). IBE is a public key cryptosystem where a public key is an arbitrary strin...