64 search results - page 6 / 13 » Functional Encryption Without Obfuscation |
CTRSA
2009
Springer
15 years 4 months ago
2009
Springer
Proxy re-encryption (PRE) allows a proxy to convert a ciphertext encrypted under one key into an encryption of the same message under another key. The main idea is to place as lit...
CCS
2007
ACM
15 years 1 months ago
2007
ACM
Remotely-launched software exploits are a common way for attackers to intrude into vulnerable computer systems. As detection techniques improve, remote exploitation techniques are...
CRYPTO
2005
Springer
15 years 3 months ago
2005
Springer
We investigate several previously suggested scenarios of instantiating random oracles (ROs) with “realizable” primitives in cryptographic schemes. As candidates for such “in...
IACR
2011
13 years 9 months ago
2011
We put forward a generalization of lossy trapdoor functions (LTFs). Namely, all-but-many lossy trapdoor functions (ABM-LTFs) are LTFs that are parametrized with tags. Each tag can...
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ACNS
2008
Springer
15 years 4 months ago
2008
Springer
In this paper, we present an analysis of the CCM mode of operations and of a slight variant. CCM is a simple and efficient encryption scheme which combines a CBC-MAC authentication...