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159
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IEEEARES
2009
IEEE
16 years 1 months ago
2009
IEEE
Many emergent security threats which did not exist in the traditional telephony network are introduced in SIP VoIP services. To provide high-level security assurance to SIP VoIP s...
154
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EUROPKI
2004
Springer
15 years 11 months ago
2004
Springer
Despite a legal framework being in place for several years, the market share of qualified electronic signatures is disappointingly low. Mobile Signatures provide a new and promisin...
174
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WMASH
2004
ACM
15 years 12 months ago
2004
ACM
In recent years, wireless Internet service providers (WISPs) have established thousands of WiFi hot spots in cafes, hotels and airports in order to offer to travelling Internet u...
134
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EUROPKI
2007
Springer
16 years 18 days ago
2007
Springer
An undeniable mobile billing system allows a mobile network service provider to bill its subscribers with trustworthy evidences. Chen, Jan and Chen proposed such a billing system b...
129
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SPW
2001
Springer
15 years 11 months ago
2001
Springer
Although the notion of negotiation has been used extensively in secure communication protocols to establish common keying states, protocol modes and services, this notion is only n...