118 search results - page 11 / 24 » Chosen Ciphertext Security with Optimal Ciphertext Overhead |
CCS
2007
ACM
14 years 2 months ago
2007
ACM
In a proxy re-encryption (PRE) scheme, a proxy is given special information that allows it to translate a ciphertext under one key into a ciphertext of the same message under a di...
PROVSEC
2009
Springer
14 years 2 months ago
2009
Springer
Signcryption is a cryptographic primitive that provides authentication and confidentiality simultaneously in a single logical step. It is often required that multiple senders have...
CRYPTO
2004
Springer
14 years 1 months ago
2004
Springer
Ordinarily, RSA and Rabin ciphertexts and signatures are log N bits, where N is a composite modulus; here, we describe how to “compress” Rabin ciphertexts and signatures (among...
JOC
2007
13 years 7 months ago
2007
Signcryption is a public key or asymmetric cryptographic method that provides simultaneously both message confidentiality and unforgeability at a lower computational and communica...
IACR
2011
12 years 7 months ago
2011
In this paper we present the first public key encryption scheme that is structure preserving, i.e., our encryption scheme uses only algebraic operations. In particular it does not...