331 search results - page 39 / 67 » Provably Secure Timed-Release Public Key Encryption |
SYNASC
2007
IEEE
14 years 1 months ago
2007
IEEE
A trapdoor based on an extension of the RSA trapdoor is proposed. The same function as in the RSA cryptosystem is used, i.e. x modn, but there is no restriction for the exponent t...
IJISEC
2008
13 years 7 months ago
2008
Abstract This paper surveys the literature on certificateless encryption schemes. In particular, we examine the large number of security models that have been proposed to prove the...
ACMSE
2009
ACM
13 years 5 months ago
2009
ACM
Proxy re-encryption, abbreviated as PRE, is a cryptosystem which allows the proxy to re-encrypt a cirphertext without accessing the underlying message. The re-encryption protocol ...
IMA
2005
Springer
14 years 1 months ago
2005
Springer
Abstract. Identity-based encryption (IBE) is a special asymmetric encryption method where a public encryption key can be an arbitrary identifier and the corresponding private decr...
IJNSEC
2007
13 years 7 months ago
2007
In a hierarchical structure, a user in a security class has access to information items of another class if and only if the former class is a predecessor of latter. Based upon cry...