118 search results - page 18 / 24 » Chosen Ciphertext Security with Optimal Ciphertext Overhead |
IACR
2011
12 years 6 months ago
2011
We consider the question of how to store a value secretly on devices that continually leak information about their internal state to an external attacker. If the secret value is s...
ACISP
2007
Springer
14 years 1 months ago
2007
Springer
In this paper, we present a forgery attack to a black-box traitor tracing scheme [2] called as CPP scheme. CPP scheme has efficient transmission rate and allows the tracer to ident...
ACNS
2008
Springer
14 years 1 months ago
2008
Springer
We present generic constructions of stateful public key encryption (StPE). We build several new StPE schemes and explain existing ones using our generic constructions. Of the new ...
ISPEC
2010
Springer
13 years 9 months ago
2010
Springer
Often authentication and confidentiality are required as simultaneous key requirements in many cryptographic applications. The cryptographic primitive called signcryption effective...
ACNS
2004
Springer
14 years 13 days ago
2004
Springer
We study the data privacy of cryptosystems with All-or-Nothing transform (AONT). An AONT is an efficient computable transform with two properties: Given all the bits of its output...