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EUROCRYPT
2010
Springer
13 years 12 months ago
2010
Springer
At CRYPTO 2008 Stam [7] made the following conjecture: if an m + s-bit to s-bit compression function F makes r calls to a primitive f of n-bit input, then a collision for F can be ...
COMCOM
1999
13 years 8 months ago
1999
Undeniable signature is an intriguing concept introduced by Chaum and Antwerpen at Crypto'89. In 1999, Lee and Hwang presented two group-oriented undeniable signature schemes ...
CARDIS
2008
Springer
13 years 10 months ago
2008
Springer
The mifare Classic is the most widely used contactless smart card in the market. Its design and implementation details are kept secret by its manufacturer. This paper studies the a...
EUROCRYPT
2008
Springer
13 years 10 months ago
2008
Springer
In the model of perfectly secure message transmission schemes (PSMTs), there are n channels between a sender and a receiver. An infinitely powerful adversary A may corrupt (observe...
CRYPTO
2008
Springer
13 years 10 months ago
2008
Springer
In cryptography, there has been tremendous success in building various two-party protocols with small communication complexity out of homomorphic semantically-secure encryption sc...