773 search results - page 36 / 155 » On Cryptographic Assumptions and Challenges |
100
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ASIACRYPT
2001
Springer
15 years 6 months ago
2001
Springer
Threshold cryptosystems and signature schemes give ways to distribute trust throughout a group and increase the availability of cryptographic systems. A standard approach in design...
ACSAC
1999
IEEE
15 years 6 months ago
1999
IEEE
The Automatic Authentication Protocol Analyzer, 2nd Version AAPA2 is a fast, completely automatic tool for formally analyzing cryptographic protocols. It correctly identi es vulne...
149
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FOCS
1999
IEEE
15 years 6 months ago
1999
IEEE
We introduce the notion of non-malleable noninteractive zero-knowledge (NIZK) proof systems. We show how to transform any ordinary NIZK proof system into one that has strong non-m...
CRYPTO
1998
Springer
15 years 6 months ago
1998
Springer
We introduce delegation schemes wherein a user may delegate certain rights to himself, but may not safely delegate these rights to others. In our motivating application, a user ha...
120
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CTRSA
2006
Springer
15 years 5 months ago
2006
Springer
We construct efficient universally composable oblivious transfer protocols in the multi-party setting for honest majorities. Unlike previous proposals our protocols are designed in...