98 search results - page 18 / 20 » Threshold Proxy Signature Schemes |
ACNS
2006
Springer
13 years 11 months ago
2006
Springer
Abstract. Several researchers have proposed the use of threshold cryptographic model to enable secure communication in ad hoc networks without the need of a trusted center. In this...
ASIACRYPT
2000
Springer
13 years 12 months ago
2000
Springer
Assuming a cryptographically strong cyclic group G of prime order q and a random hash function H, we show that ElGamal encryption with an added Schnorr signature is secure against ...
CCS
2007
ACM
14 years 1 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...
CRYPTO
1994
Springer
13 years 11 months ago
1994
Springer
Suppose we are given a proof of knowledge P in which a prover demonstrates that he knows a solution to a given problem instance. Suppose also that we have a secret sharing scheme S...
TWC
2008
13 years 7 months ago
2008
User authentication is essential in service-oriented communication networks to identify and reject any unauthorized network access. The state-of-the-art practice in securing wirele...