2560 search results - page 222 / 512 » Securing VO Management |
151
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WMCSA
2008
IEEE
16 years 19 days ago
2008
IEEE
We show how to convert regular keyboard-entry CAPTCHAs into clickable CAPTCHAs. The goal of this conversion is to simplify and speed-up the entry of the CAPTCHA solution, to minim...
154
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ISPA
2005
Springer
15 years 11 months ago
2005
Springer
Identity-based (ID-based) public key cryptosystem can be a good alternative for certificate-based public key setting, especially when efficient key management and moderate securit...
141
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ACSAC
2003
IEEE
15 years 11 months ago
2003
IEEE
As computer infrastructures become more complex, security models must provide means to handle more flexible and dynamic requirements. In the Organization Based Access Control (Or...
171
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WPES
2003
ACM
15 years 11 months ago
2003
ACM
Hidden Credentials are useful in situations where requests for service, credentials, access policies and resources are extremely sensitive. We show how transactions which depend o...
161
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DEXAW
1998
IEEE
15 years 10 months ago
1998
IEEE
This paper presents a first step towards a security model that defines access control for logical document structures. el benefits from roles to abstract from users and from secur...