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123
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CHES
2007
Springer
15 years 10 months ago
2007
Springer
Abstract. A5/2 is a synchronous stream cipher that is used for protecting GSM communication. Recently, some powerful attacks [2,10] on A5/2 have been proposed. In this contribution...
134
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EUROCRYPT
2007
Springer
15 years 10 months ago
2007
Springer
We investigate a general class of (black-box) constructions for range extension of weak pseudorandom functions: a construction based on m independent functions F1, . . . , Fm is gi...
137
Voted
EUROCRYPT
2007
Springer
15 years 10 months ago
2007
Springer
We study an adaptive variant of oblivious transfer in which a sender has N messages, of which a receiver can adaptively choose to receive k one-after-the-other, in such a way that ...
123
Voted
ISW
2007
Springer
15 years 10 months ago
2007
Springer
Abstract. Program obfuscation is a semantic-preserving transformation aimed at bringing a program into such a form, which impedes the understanding of its algorithm and data struct...
142
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TCC
2007
Springer
15 years 10 months ago
2007
Springer
Abstract. We establish new lower bounds and impossibility results for noninteractive zero-knowledge proofs and arguments with set-up assumptions. – For the common random string m...