2967 search results - page 525 / 594 » Cryptology |
173
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TCC
2007
Springer
15 years 11 months ago
2007
Springer
Abstract. In an identity based encryption scheme, each user is identified by a unique identity string. An attribute based encryption scheme (ABE), in contrast, is a scheme in whic...
150
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TCC
2007
Springer
15 years 11 months ago
2007
Springer
Abstract. Algorithmic progress and future technology threaten today’s cryptographic protocols. Long-term secure protocols should not even in future reveal more information to a...
146
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TCC
2007
Springer
15 years 11 months ago
2007
Springer
We prove a computational soundness theorem for symmetric-key encryption protocols that can be used to analyze security against adaptively corrupting adversaries (that is, adversar...
151
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TCC
2007
Springer
15 years 11 months ago
2007
Springer
Abstract. We present the first positive obfuscation result for a traditional cryptographic functionality. This positive result stands in contrast to well-known negative impossibil...
142
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ACNS
2006
Springer
15 years 11 months ago
2006
Springer
A coupon is an electronic data that represents the right to access a service provided by a service provider (e.g. gift certificates or movie tickets). Recently, a privacyprotectin...