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» New Security Results on Encrypted Key Exchange
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EUROCRYPT
2004
Springer
14 years 1 months ago
The Hierarchy of Key Evolving Signatures and a Characterization of Proxy Signatures
For the last two decades the notion and implementations of proxy signatures have been used to allow transfer of digital signing power within some context (in order to enable flexi...
Tal Malkin, Satoshi Obana, Moti Yung
CRYPTO
2006
Springer
124views Cryptology» more  CRYPTO 2006»
13 years 11 months ago
Mitigating Dictionary Attacks on Password-Protected Local Storage
We address the issue of encrypting data in local storage using a key that is derived from the user's password. The typical solution in use today is to derive the key from the...
Ran Canetti, Shai Halevi, Michael Steiner
CRYPTO
2008
Springer
165views Cryptology» more  CRYPTO 2008»
13 years 9 months ago
Efficient Secure Linear Algebra in the Presence of Covert or Computationally Unbounded Adversaries
In this work we study the design of secure protocols for linear algebra problems. All current solutions to the problem are either inefficient in terms of communication complexity o...
Payman Mohassel, Enav Weinreb
ISW
2004
Springer
14 years 1 months ago
Security Analysis of Two Signcryption Schemes
Signcryption is a new cryptographic primitive that performs signing and encryption simultaneously, at a cost significantly lower than that required by the traditional signature-th...
Guilin Wang, Robert H. Deng, Dong Jin Kwak, Sang-J...
JOC
2000
130views more  JOC 2000»
13 years 7 months ago
A Detailed Analysis of SAFER K
In this paper we analyze the block cipher SAFER K. First, we show a weakness in the key schedule, that has the effect that for almost every key there exists on the average three an...
Lars R. Knudsen