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A Generic Construction for Revocable Identity-Based Encryption with Subset Difference Methods
Revocable identity-based encryption Subset difference method Generic construction
2019/7/15
To deal with dynamically changing user's credentials in identity-based encryption (IBE), providing an efficient key revocation method is a very important issue. Recently, Ma and Lin proposed a generic...
Combinatorial Subset Difference Public Key Broadcast Encryption Scheme for Secure Multicast
broadcast encryption secure multicast wildcard
2017/5/15
Public key broadcast encryption is a cryptographic method to securely transmit a message from anyone to a group of receivers such that only privileged users can decrypt it. A secure multicast system a...
Enhanced Outsider-anonymous Broadcast Encryption with Subset Difference Revocation
anonymous broadcast encryption outsider anonymity ternary subset difference
2017/3/27
This paper puts forward an efficient broadcast encryption in public key setting employing ternary tree subset difference method for revocation. It provides outsider anonymity disabling the revoked use...
Efficient Revocable Identity-Based Encryption via Subset Difference Methods
Identity-based encryption Revocable identity-based encryption Key revocation
2016/1/25
Providing an efficient revocation mechanism for identity-based encryption (IBE) is very important
since a user’s credential (or private key) can be expired or revealed. Revocable IBE (RIBE) is an ext...
Reducing Communication Overhead of the Subset Difference Scheme
Broadcast encryption subset difference trees
2016/1/8
In Broadcast Encryption (BE) systems like Pay-TV, AACS, online content sharing and broadcasting, reducing
the header length (communication overhead per session) is of practical interest. The Subset D...
Adaptive-ID Secure Revocable Identity-Based Encryption from Lattices via Subset Difference Method
Revocable identity-based encryption Lattice techniques Subset difference method
2016/1/4
In view of the expiration or reveal of user’s private credential (or private key) in a realistic
scenario, identity-based encryption (IBE) schemes with an efficient key revocation mechanism,
or for ...
Fully Secure Unbounded Revocable Attribute-Based Encryption in Prime Order Bilinear Groups via Subset Difference Method
attribute-based encryption revocable attribute-based encryption key revocation
2015/12/31
Providing an efficient revocation mechanism for attribute-based encryption (ABE) is of
utmost importance since over time an user’s credentials may be revealed or expired. All previously
known revoca...
Identity-Based Revocation from Subset Difference Methods under Simple Assumptions
Broadcast encryption Identity-based revocation Subset cover framework
2015/12/22
Identity-based revocation (IBR) is a specific kind of broadcast encryption that can effectively send
a ciphertext to a set of receivers. In IBR, a ciphertext is associated with a set of revoked users...
Public-Key Revocation and Tracing Schemes with Subset Difference Methods Revisited
Public-key encryption Broadcast encryption
2014/3/13
Trace and revoke is broadcast encryption with the traitor tracing functionality. It is a very powerful primitive since it can revoke users whose private keys are compromised by finding them using a tr...
Complete Tree Subset Difference Broadcast Encryption Scheme and its Analysis
Broadcast encryption combinatorial analysis recurrences probabilistic analysis expected header length asymptotic analysis
2012/3/26
The Subset Difference (SD) method proposed by Naor-Naor-Lotspeich is the most popular broadcast encryption (BE) scheme. It is suitable for real-time applications like Pay-TV. It has been suggested for...