Results 261 to 270 of about 39,942 (290)

Identity-Based Online/Offline Encryption

2008
We consider a scenario of identity-based encryption (IBE) where the encryption device (such as a smartcard) has low power. To improve the computation efficiency, it is desirable that part of computation can be done prior to knowing the message and the recipient (its identity or public key).
Fuchun Guo, Yi Mu 0001, Zhide Chen
openaire   +2 more sources

Key Dependent Message Security for Revocable Identity-Based Encryption and Identity-Based Encryption

2018
In a revocable identity-based encryption (RIBE) system, the private key and update key are generated separately and combined together to obtain the decryption key. Since the update key is distributed in a public channel, for each user, the private key and the decryption key are essential to his information security. Careless key management, e.g.
Rui Zhang 0002, Yang Tao 0001
openaire   +1 more source

Identity-based encryption based on DHIES

Proceedings of the 5th ACM Symposium on Information, Computer and Communications Security, 2010
Most traditional public key cryptosystems are constructed upon algebraically rich structures, which makes their key pairs combinable, i.e., the combination of some private keys and their corresponding public keys could form a new key pair. Exploring such combinable property, this paper proposes a novel Identity-Based Encryption (IBE) scheme based on ...
Yu Chen 0003, Manuel Charlemagne, Zhi Guan, Jian-bin Hu, Zhong Chen 0001   +4 more
openaire   +1 more source

Hierarchical Identity-Based Broadcast Encryption

2014
We elaborate Hierarchical Identity-Based Encryption (HIBE) with a new primitive referred to as Hierarchical Identity-Based Broadcast Encryption (HIBBE). Similar to HIBE, HIBBE organizes users in a tree-like structure and users can delegate their decryption capability to their subordinates, which mirrors hierarchical social organizations in the real ...
Weiran Liu, Jianwei Liu 0001, Qianhong Wu, Bo Qin   +3 more
openaire   +1 more source

Identity based encryption: Progress and challenges

Information Security Technical Report, 2010
Identity based cryptography is currently among the most active areas of research in cryptography. In this article we discuss identity based encryption (IBE) which has the potential for widespread real world adoption and has in fact already been deployed commercially.
openaire   +3 more sources

Flexible identity based attribute encryption from identity based broadcast encryption

2008 International Symposium on Information Theory and Its Applications, 2008
In this paper we propose identity based attribute encryption from the identity based broadcast encryption which was proposed in IACR eprint No.217 2007. The encryption scheme can be applied to some access control systems. In such a system, the encrypted data can be written on the public boards.
openaire   +1 more source

Identity-Based Group Encryption Revisited

2018
In this paper, we focus on identity-based group encryption. We have revisited “Identity-Based Group Encryption (IBGE)” proposed by Xiling et al. Their scheme claims to achieve anonymity of the receiver. We have shown that the zero-knowledge proof they have used leaks much more information, due to which the verifier who is honest but curious will be ...
Kanika Gupta, S. Sharmila Deva Selvi, C. Pandu Rangan, Shubham Sopan Dighe   +3 more
openaire   +1 more source

Identity Based Encryption Without Redundancy

2005
This paper presents a first example of secure identity based encryption scheme (IBE) without redundancy in the sense of Phan and Pointcheval. This modification of the Boneh-Franklin IBE is an hybrid construction that is proved to be secure (using proof techniques borrowed from those for KEM-DEM constructions) in the random oracle model under a slightly
Benoît Libert, Jean-Jacques Quisquater
openaire   +1 more source

Identity-Based Encryption Comes of Age

Computer, 2008
Public-key technology is due for another round of useful innovations. On June 3 and 4, 2008, the National Institute for Standards and Technology (NIST) held the Applications of pairing based cryptography: identity based encryption and beyond workshop (www.nist.gov/ibe).
openaire   +1 more source

Multimodal biometric Identity Based Encryption

Future Generation Computer Systems, 2018
Abstract In this paper, we describe the first generic construction for multimodal biometric Identity Based Encryption considering two distance measures at the same time. Current protocols for fuzzy/biometric IBE are designed either for set overlap or Euclidean distance within unimodal biometrics.
openaire   +1 more source