19 search results - page 1 / 4 » Identity-Based Hierarchical Key-Insulated Encryption Without... |
ASIACRYPT
2005
Springer
13 years 10 months ago
2005
Springer
In this paper, we discuss non-interactive updating of decryption keys in identity-based encryption (IBE). IBE is a public key cryptosystem where a public key is an arbitrary strin...
JISE
2008
13 years 4 months ago
2008
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...
CRYPTO
2006
Springer
13 years 8 months ago
2006
Springer
We present an identity-based cryptosystem that features fully anonymous ciphertexts and hierarchical key delegation. We give a proof of security in the standard model, based on the...
EUROCRYPT
2006
Springer
13 years 8 months ago
2006
Springer
We present an Identity Based Encryption (IBE) system that is fully secure in the standard model and has several advantages over previous such systems