58 search results - page 5 / 12 » Identity-Based Threshold Decryption |
INFORMATICALT
2010
13 years 6 months ago
2010
In a fuzzy identity-based encryption (IBE) scheme, a user with the secret key for an identity ID is able to decrypt a ciphertext encrypted with another identity ID if and only if I...
ICPADS
2005
IEEE
14 years 1 months ago
2005
IEEE
Abstract. In identity-based (ID-based) cryptosystems, a local registration authority (LRA) is responsible for authentication of users while the key generation center (KGC) is respo...
PKC
2009
Springer
14 years 8 months ago
2009
Springer
At Crypto'07, Goyal introduced the concept of Accountable Authority Identity-Based Encryption as a convenient tool to reduce the amount of trust in authorities in Identity-Bas...
ISAAC
2010
Springer
13 years 5 months ago
2010
Springer
Abstract. In this paper, we consider the problem of predicate encryption and focus on the predicate for testing whether the hamming distance between the attribute X of a data item ...
CRYPTO
1994
Springer
13 years 11 months ago
1994
Springer
We give cryptographic schemes that help trace the source of leaks when sensitive or proprietary data is made available to a large set of parties. A very relevant application is in ...