1190 search results - page 72 / 238 » Secure off-the-record messaging |
134
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ICCSA
2005
Springer
15 years 10 months ago
2005
Springer
In resent years, Popescu proposed several group signature schemes based on the Okamoto-Shiraishi assumption in [8–11], and claimed his schemes are secure. However, this paper dem...
124
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TAICPART
2010
IEEE
15 years 3 months ago
2010
IEEE
We introduce a new Syntax-based Security Testing (SST) framework that uses a protocol specification to perform security testing on text-based communication protocols. A protocol sp...
132
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GLOBECOM
2009
IEEE
15 years 11 months ago
2009
IEEE
—In this work, we prove that a positive secure degree of freedom is achievable for a large class of real Gaussian channels as long as the channel is not degraded and the channel ...
138
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ISW
2007
Springer
15 years 10 months ago
2007
Springer
Abstract. The concept of timed-released encryption with pre-open capability (TRE-PC) was introduced by Hwang, Yum and Lee. In a TREPC scheme, a message is encrypted in such a way t...
109
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INFORMATICALT
2007
15 years 4 months ago
2007
A generalized group-oriented cryptosystem (GGOC) based on ElGamal cryptosystem was proposed by Yang et al. in 2003. This study shows that if the authorized decryption sets of users...