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IJISEC
2006
113views more  IJISEC 2006»
13 years 7 months ago
Escrow-free encryption supporting cryptographic workflow
Since Boneh and Franklin published their seminal paper on identity based encryption (IBE) using the Weil pairing , there has been a great deal of interest in cryptographic primitiv...
Sattam S. Al-Riyami, John Malone-Lee, Nigel P. Sma...
SEC
2007
13 years 9 months ago
A Hybrid PKI-IBC Based Ephemerizer System
The concept of an Ephemerizer system has been introduced in earlier works as a mechanism to ensure that a file deleted from the persistent storage remains unrecoverable. The princ...
Srijith Krishnan Nair, Muhammad Torabi Dashti, Bru...
FC
2006
Springer
147views Cryptology» more  FC 2006»
13 years 11 months ago
Timed-Release and Key-Insulated Public Key Encryption
In this paper we consider two security notions related to Identity Based Encryption: Key-insulated public key encryption, introduced by Dodis, Katz, Xu and Yung; and Timed-Release ...
Jung Hee Cheon, Nicholas Hopper, Yongdae Kim, Ivan...
ASIACRYPT
2000
Springer
13 years 11 months ago
Security of Signed ElGamal Encryption
Assuming a cryptographically strong cyclic group G of prime order q and a random hash function H, we show that ElGamal encryption with an added Schnorr signature is secure against ...
Claus-Peter Schnorr, Markus Jakobsson
INFORMATICALT
2010
102views more  INFORMATICALT 2010»
13 years 4 months ago
An Computation-Efficient Generalized Group-Oriented Cryptosystem
A Group-Oriented Cryptosystem (GOC) allows a sender to encrypt a message sent to a group of users so only the specified sets of users in that group can cooperatively decrypt the me...
Ting-Yi Chang