17 search results - page 2 / 4 » New Anonymity Notions for Identity-Based Encryption |
EUROCRYPT
2004
Springer
13 years 10 months ago
2004
Springer
Abstract. We propose a simple and efficient construction of a CCAsecure public-key encryption scheme from any CPA-secure identity-based encryption (IBE) scheme. Our construction re...
ITIIS
2010
13 years 3 days ago
2010
Anonymous hierarchical identity based encryption (HIBE) is an extension of identity based encryption (IBE) that can use an arbitrary string like an e-mail address for a public key...
PQCRYPTO
2010
13 years 9 months ago
2010
Abstract. We propose a variant of the “bonsai tree” signature scheme, a latticebased existentially unforgeable signature scheme in the standard model. Our construction offers ...
ASIACRYPT
2005
Springer
13 years 11 months ago
2005
Springer
Abstract. We first propose the notion of universally anonymizable publickey encryption. Suppose that we have the encrypted data made with the same security parameter, and that the...
CANS
2010
Springer
13 years 3 months ago
2010
Springer
In anonymous credential schemes, users obtain credentials on certain attributes from an issuer, and later show these credentials to a relying party anonymously and without fully di...