191
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CCS
2008
ACM
15 years 9 months ago
2008
ACM
In 1998, Blaze, Bleumer, and Strauss suggested a cryptographic primitive termed proxy re-signature in which a proxy transforms a signature computed under Alice's secret key in...
216
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CCS
2008
ACM
15 years 9 months ago
2008
ACM
Correct enforcement of authorization policies is a difficult task, especially for multi-threaded software. Even in carefully-reviewed code, unauthorized access may be possible in ...
184
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CCS
2008
ACM
15 years 9 months ago
2008
ACM
A traitor tracing system enables a publisher to trace a pirate decryption box to one of the secret keys used to create the box. We present a traitor tracing system where ciphertex...
222
click to vote
CCS
2008
ACM
15 years 9 months ago
2008
ACM
Reflective Database Access Control (RDBAC) is a model in which a database privilege is expressed as a database query itself, rather than as a static privilege contained in an acce...