45 search results - page 5 / 9 » Identity-Based Cryptography for Grid Security |
ACNS
2007
Springer
15 years 3 months ago
2007
Springer
In a proxy re-encryption scheme a semi-trusted proxy converts a ciphertext for Alice into a ciphertext for Bob without seeing the underlying plaintext. A number of solutions have ...
AINA
2007
IEEE
15 years 4 months ago
2007
IEEE
We propose a four-party password authenticated interdomain key exchange protocol which makes use of properties of identity-based cryptography and secret public keys. Being passwor...
PKC
2007
Springer
15 years 3 months ago
2007
Springer
We present the first identity-based traitor tracing scheme. The scheme is shown to be secure in the standard model, assuming the bilinear decision Diffie-Hellman (DBDH) is hard in...
FC
2004
Springer
15 years 3 months ago
2004
Springer
Chameleon signatures are non-interactive signatures based on a hash-and-sign paradigm, and similar in efficiency to regular signatures. The distinguishing characteristic of chamel...
TCC
2009
Springer
15 years 10 months ago
2009
Springer
We present the first hierarchical identity based encryption (HIBE) system that has full security for more than a constant number of levels. In all prior HIBE systems in the literat...