21 search results - page 2 / 5 » Direct chosen ciphertext security from identity-based techni... |
PKC
2010
Springer
13 years 8 months ago
2010
Springer
Lossy Trapdoor Functions (LTDFs), introduced by Peikert and Waters (STOC 2008) have been useful for building many cryptographic primitives. In particular, by using an LTDF that los...
EUROCRYPT
2010
Springer
13 years 9 months ago
2010
Springer
Imagine many small devices send data to a single receiver, encrypted using the receiver’s public key. Assume an adversary that has the power to adaptively corrupt a subset of the...
TIT
2011
12 years 11 months ago
2011
Abstract. In 1998, Blaze, Bleumer, and Strauss proposed a cryptographic primitive called proxy re-encryption, in which a proxy transforms – without seeing the corresponding plain...
TCC
2009
Springer
14 years 5 months ago
2009
Springer
We initiate the study of one-wayness under correlated products. We are interested in identifying necessary and sufficient conditions for a function f and a distribution on inputs ...
ACNS
2005
Springer
13 years 10 months ago
2005
Springer
This paper presents a first example of secure identity based encryption scheme (IBE) without redundancy in the sense of Phan and Pointcheval. This modification of the Boneh-Frank...