679 search results - page 44 / 136 » Using decision problems in public key cryptography |
111
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TIT
2010
14 years 8 months ago
2010
This is the first part of a two-part paper on information-theoretically secure secret key agreement. In this part, we study the secrecy problem under the widely studied source mod...
TCC
2007
Springer
15 years 7 months ago
2007
Springer
Abstract. We present a public-key encryption scheme with the following properties. Given a branching program P and an encryption c of an input x, it is possible to efficiently com...
134
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EUROCRYPT
2004
Springer
15 years 6 months ago
2004
Springer
Abstract. In the bounded-storage model (BSM) for information-theoretically secure encryption and key-agreement one uses a random string R whose length t is greater than the assumed...
140
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WWW
2009
ACM
16 years 2 months ago
2009
ACM
In order to address privacy concerns, many social media websites allow users to hide their personal profiles from the public. In this work, we show how an adversary can exploit an...
115
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CRYPTO
2003
Springer
15 years 6 months ago
2003
Springer
We consider the fundamental problem of authenticated group key exchange among n parties within a larger and insecure public network. A number of solutions to this problem have bee...