401 search results - page 3 / 81 » Delegatable Functional Signatures |
JOC
2000
13 years 5 months ago
2000
Abstract. Since the appearance of public-key cryptography in the seminal DiffieHellman paper, many new schemes have been proposed and many have been broken. Thus, the simple fact t...
SIGOPS
1998
13 years 5 months ago
1998
Abstract. We present a related family of authentication and digital signature protocols based on symmetric cryptographic primitives which perform substantially better than previous...
ASIACRYPT
2011
Springer
12 years 5 months ago
2011
Springer
We provide constructions of (m, 1)-programmable hash functions (PHFs) for m ≥ 2. Mimicking certain programmability properties of random oracles, PHFs can, e.g., be plugged into ...
ISW
2004
Springer
13 years 10 months ago
2004
Springer
Abstract. Canetti and Rabin recently proposed a universally composable ideal functionality FSIG for digital signatures. We show that this functionality cannot be securely realized ...
SCN
2010
Springer
13 years 3 months ago
2010
Springer
Group signatures is a powerful primitive with many practical applications, allowing a group of parties to share a signature functionality, while protecting the anonymity of the si...