286 search results - page 35 / 58 » Key-Privacy in Public-Key Encryption |
CCS
2009
ACM
16 years 11 days ago
2009
ACM
In a proxy re-encryption (PRE) scheme [4], a proxy, authorized by Alice, transforms messages encrypted under Alice's public key into encryptions under Bob's public key w...
SEC
2008
15 years 1 months ago
2008
In an on-line transaction, a user sends her personal sensitive data (e.g., password) to a server for authentication. This process is known as Single Sign-On (SSO). Subject to phish...
111
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SCN
2010
Springer
14 years 10 months ago
2010
Springer
Abstract. A hidden vector encryption scheme (HVE) is a derivation of identity-based encryption, where the public key is actually a vector over a certain alphabet. The decryption ke...
113
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JCST
2010
14 years 6 months ago
2010
In this paper we introduce an architecture for a multi-key pirate decoder which employs decryption keys from multiple traitors. The decoder has built-in monitoring and self protect...
120
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STOC
2005
ACM
16 years 2 days ago
2005
ACM
Our main result is a reduction from worst-case lattice problems such as GAPSVP and SIVP to a certain learning problem. This learning problem is a natural extension of the `learnin...