31 search results - page 2 / 7 » Signatures on Randomizable Ciphertexts |
IJISEC
2010
13 years 3 months ago
2010
The inherent key escrow problem is one of the main reasons for the slow adoption of identity-based cryptography. The existing solution for mitigating the key escrow problem is by a...
ACMSE
2009
ACM
13 years 3 months ago
2009
ACM
Proxy re-encryption, abbreviated as PRE, is a cryptosystem which allows the proxy to re-encrypt a cirphertext without accessing the underlying message. The re-encryption protocol ...
EUROCRYPT
1997
Springer
13 years 9 months ago
1997
Springer
This paper describes a new public-key cryptosystem where the ciphertext is obtained by multiplying the public-keys indexed by the message bits and the cleartext is recovered by fac...
CCS
2007
ACM
13 years 11 months ago
2007
ACM
In ciphertext policy attribute-based encryption (CP-ABE), every secret key is associated with a set of attributes, and every ciphertext is associated with an access structure on a...
CIS
2005
Springer
13 years 10 months ago
2005
Springer
A secure group signature is required to be anonymous, that is, given two group signatures generated by two different members on the same message or two group signatures generated ...