255 search results - page 14 / 51 » Security of Encryption Schemes in Weakened Random Oracle Mod... |
PKC
2004
Springer
14 years 26 days ago
2004
Springer
In a practical system, a message is often encrypted more than once by different encryptions, here called multiple encryption, to enhance its security. Additionally, new features ...
ACNS
2005
Springer
14 years 1 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...
TIT
2011
13 years 2 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...
ICALP
2005
Springer
14 years 1 months ago
2005
Springer
Abstract An encryption scheme is non-malleable if the adversary cannot transform a ciphertext into one of a related message under the given public key. Although providing a very st...
EUROCRYPT
2006
Springer
13 years 11 months ago
2006
Springer
We present the first efficient group signature scheme that is provably secure without random oracles. We achieve this result by combining provably secure hierarchical signatures i...