78 search results - page 14 / 16 » Forward-Secure Threshold Signature Schemes |
ESORICS
2009
Springer
14 years 8 months ago
2009
Springer
Digital identity credentials are a key enabler for important online services, but widespread theft and misuse of such credentials poses serious risks for users. We believe that an ...
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...
NDSS
2003
IEEE
14 years 1 months ago
2003
IEEE
In this work we revisit and formally study the notion of proxy cryptography. Intuitively, various proxy functions allow two cooperating parties F (the “FBI”) and P (the “pro...
ASIACRYPT
2000
Springer
14 years 4 days 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...