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Proof-of-stake-based (in short, PoS-based) blockchains aim to overcome scalability, effi- ciency, and composability limitations of the proof-of-work paradigm, which underlies the security of several m...
KP+ : Fixing Availability Issues on KP Ownership Transfer Protocols
RFID cryptanalysis privacy
2016/12/8
Ownership Transfer Protocols for RFID allow transferring the rights over a tag from a current owner to a new owner in a secure and private way. Recently, Kapoor and Piramuthu have proposed two schemes...
Towards Adoption of DNSSEC: Availability and Security Challenges
DNS security DNS cache poisoning
2014/3/13
DNSSEC deployment is long overdue; however, it seems to be finally taking off. Recent cache poisoning attacks motivate protecting DNS, with strong cryptography, rather than with challenge-response ‘de...
We introduce HAIL (High-Availability and Integrity
Layer), a distributed cryptographic system that permits a
set of servers to prove to a client that a stored file is intact
and retrievable. HAIL s...