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ICALP
2005
Springer
13 years 11 months ago
Completely Non-malleable Schemes
Abstract An encryption scheme is non-malleable if the adversary cannot transform a ciphertext into one of a related message under the given public key. Although providing a very st...
Marc Fischlin
ACISP
2005
Springer
13 years 11 months ago
Group Signature Where Group Manager, Members and Open Authority Are Identity-Based
We present the first group signature scheme with provable security and signature size O(λ) bits where the group manager, the group members, and the Open Authority (OA) are all id...
Victor K. Wei, Tsz Hon Yuen, Fangguo Zhang
ASIACRYPT
2005
Springer
13 years 11 months ago
Identity-Based Hierarchical Strongly Key-Insulated Encryption and Its Application
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...
Yumiko Hanaoka, Goichiro Hanaoka, Junji Shikata, H...
CCS
2008
ACM
13 years 7 months ago
Identity-based encryption with efficient revocation
Identity-based encryption (IBE) is an exciting alternative to public-key encryption, as IBE eliminates the need for a Public Key Infrastructure (PKI). Any setting, PKI- or identit...
Alexandra Boldyreva, Vipul Goyal, Virendra Kumar
CRYPTO
1993
Springer
137views Cryptology» more  CRYPTO 1993»
13 years 10 months ago
Broadcast Encryption
A broadcast encryption scheme allows the sender to securely distribute data to a dynamically changing set of users over an insecure channel. One of the most challenging settings fo...
Amos Fiat, Moni Naor