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» On the Security of ''Golden'' Cryptography
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APPROX
2004
Springer
121views Algorithms» more  APPROX 2004»
14 years 24 days ago
Small Pseudo-random Families of Matrices: Derandomizing Approximate Quantum Encryption
A quantum encryption scheme (also called private quantum channel, or state randomization protocol) is a one-time pad for quantum messages. If two parties share a classical random s...
Andris Ambainis, Adam Smith
EUROCRYPT
2003
Springer
14 years 19 days ago
Resettable Zero-Knowledge in the Weak Public-Key Model
A new public-key model for resettable zero-knowledge (rZK) protocols, which is an extension and generalization of the upper-bounded public-key (UPK) model introduced by Micali and ...
Yunlei Zhao, Xiaotie Deng, Chan H. Lee, Hong Zhu
FOCS
2002
IEEE
14 years 11 days ago
On the (non)Universality of the One-Time Pad
Randomization is vital in cryptography: secret keys should be randomly generated and most cryptographic primitives (e.g., encryption) must be probabilistic. As a bstraction, it is...
Yevgeniy Dodis, Joel Spencer
ICALP
2010
Springer
14 years 6 days ago
Concurrent Knowledge Extraction in the Public-Key Model
Knowledge extraction is a fundamental notion, modeling machine possession of values (witnesses) in a computational complexity sense and enabling one to argue about the internal st...
Andrew C. Yao, Moti Yung, Yunlei Zhao
FC
2010
Springer
181views Cryptology» more  FC 2010»
13 years 11 months ago
Design and Implementation of a Key-Lifecycle Management System
Key management is the Achilles’ heel of cryptography. This work presents a novel Key-Lifecycle Management System (KLMS), which addresses two issues that have not been addressed ...
Mathias Björkqvist, Christian Cachin, Robert ...