2601 search results - page 48 / 521 » Secure Rewarding Schemes |
128
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IJCMAM
2010
14 years 9 months ago
2010
Commercial Web-based Personal-Health Record (PHR) systems can help patients to share their personal health records (PHRs) anytime from anywhere. PHRs are very sensitive data and an...
CRYPTO
2004
Springer
15 years 5 months ago
2004
Springer
We study cryptographic attacks on random Feistel schemes. We denote by m the number of plaintext/ciphertext pairs, and by k the number of rounds. In their famous paper [3], M. Luby...
122
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CHI
2011
ACM
14 years 3 months ago
2011
ACM
While a large body of research on image-based authentication has focused on memorability, comparatively less attention has been paid to the new security challenges these schemes m...
ICCSA
2004
Springer
15 years 5 months ago
2004
Springer
Abstract. Recently, Shen et al. proposed an improvement on YangShieh’s timestamp-based password authentication scheme using smart cards. Then they claimed that their scheme canno...
114
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INFOCOM
2010
IEEE
14 years 10 months ago
2010
IEEE
Abstract— Many IP multicast-based applications, such as multimedia conferencing, multiplayer games, require controlling the group memberships of senders and receivers. One common...