1190 search results - page 114 / 238 » Secure off-the-record messaging |
185
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ISPEC
2005
Springer
15 years 12 months ago
2005
Springer
A (t, n) threshold proxy signature scheme enables an original signer to delegate the signature authority to a proxy group of n member such that t or more than t proxy signers can ...
168
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IWDW
2004
Springer
15 years 11 months ago
2004
Springer
Most of watermarking techniques are based on Wide Spread Spectrum (WSS). Security of such schemes is studied here in adopting a cryptanalysis point of view. The security is proport...
187
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SIBGRAPI
2003
IEEE
15 years 11 months ago
2003
IEEE
Abstract. Authentication watermarking is a hidden data inserted into an image, in order to detect any alterations. It seems to be almost impossible to design a really secure authen...
180
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CSFW
2010
IEEE
15 years 9 months ago
2010
IEEE
We embed an operational semantics for security protocols in the interactive theorem prover Isabelle/HOL and derive two strong protocol-independent invariants. These invariants allo...
155
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FAC
2008
15 years 6 months ago
2008
The Mondex case study about the specification and refinement of an electronic purse as defined in the Oxford Technical Monograph PRG-126 has recently been proposed as a challenge f...