Sciweavers

1610 search results - page 20 / 322
» Identity Based Multisignatures
Sort
View
ACNS
2008
Springer
138views Cryptology» more  ACNS 2008»
14 years 2 months ago
Traceable and Retrievable Identity-Based Encryption
Abstract. Very recently, the concept of Traceable Identity-based Encryption (IBE) scheme (or Accountable Authority Identity based Encryption scheme) was introduced in Crypto 2007. ...
Man Ho Au, Qiong Huang, Joseph K. Liu, Willy Susil...
ADHOCNOW
2006
Springer
14 years 2 months ago
Key Revocation for Identity-Based Schemes in Mobile Ad Hoc Networks
Recently, identity-based cryptographic (IBC) schemes have been considered to secure mobile ad hoc networks (MANETs) due to their efficient key management properties. However, propo...
Katrin Hoeper, Guang Gong
ACISP
2005
Springer
14 years 2 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
14 years 2 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...
FC
2007
Springer
158views Cryptology» more  FC 2007»
14 years 2 months ago
Hidden Identity-Based Signatures
This paper introduces Hidden Identity-based Signatures (Hidden-IBS), a type of digital signatures that provide mediated signer-anonymity on top of Shamir’s Identity-based signat...
Aggelos Kiayias, Hong-Sheng Zhou