43 search results - page 2 / 9 » On the Impossibility of Private Key Cryptography with Weakly... |
SCN
2010
Springer
13 years 3 months ago
2010
Springer
An identity-based encryption (IBE) scheme can greatly reduce the complexity of sending encrypted messages. However, an IBE scheme necessarily requires a private-key generator (PKG)...
EUROCRYPT
2000
Springer
13 years 8 months ago
2000
Springer
One of the basic problems in cryptography is the generation of a common secret key between two parties, for instance in order to communicate privately. In this paper we consider in...
PKC
2009
Springer
14 years 5 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...
PKC
2005
Springer
13 years 10 months ago
2005
Springer
In this paper, we present the cryptanalysis of a public key scheme based on a system of multivariate polynomial equations, the ”tractable rational map” cryptosystem. We show co...
PKC
2007
Springer
13 years 11 months ago
2007
Springer
Abstract. Key-insulated cryptography is a crucial technique for protecting private keys. To strengthen the security of key-insulated protocols, Hanaoka, Hanaoka and Imai recently i...