331 search results - page 3 / 67 » Provably Secure Timed-Release Public Key Encryption |
IACR
2011
12 years 7 months ago
2011
We investigate public key encryption that allows the originator of a ciphertext to retrieve a “forgotten” plaintext from the ciphertext. This type of public key encryption wit...
SCN
2010
Springer
13 years 5 months ago
2010
Springer
This paper introduces and explores the new concept of Time-Specific Encryption (TSE). In (Plain) TSE, a Time Server broadcasts a key at the beginning of each time unit, a Time Inst...
CIS
2007
Springer
14 years 1 months ago
2007
Springer
The session initiation protocol (SIP) is considered as the dominant signaling protocol for calls over the internet. However, SIP authentication typically uses HTTP digest authentic...
ICICS
2010
Springer
13 years 5 months ago
2010
Springer
Threshold public-key encryption (TPKE) allows a set of users to decrypt a ciphertext if a given threshold of authorized users cooperate. Existing TPKE schemes suffer from either lo...
CTRSA
2006
Springer
13 years 11 months ago
2006
Springer
Abstract. In this paper we present a general framework for constructing efficient multicast cryptosystems with provable security and show that a line of previous work on multicast ...