Results 241 to 250 of about 241,807 (271)

Attribute-based Server-Aided Verification Signature

Applied Mathematics & Information Sciences, 2014
Attribute based signature (ABS) is a novel cryptographic primitive, which enables a party to sign messages for any predicate satisfied by their attributes. However, heavy computational cost is requir ed during the verification procedure in most existing ABS schemes, which may need many pairing operations.
Zhiwei Wang, Ruirui Xie, Shaohui Wang
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Attribute-Based Signatures with Efficient Revocation

2013 5th International Conference on Intelligent Networking and Collaborative Systems, 2013
Based signatures (ABS for short) allow an entity to sign messages with a fine-grained control over identity information. The signature attests not to the identity of the individual who endorsed a message, but instead to a claim regarding the attributes he/she holds.
Yanling Lian, Li Xu, Xinyi Huang
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Multi-Central-Authority Attribute-Based Signature

2012 Fourth International Symposium on Information Science and Engineering, 2012
In an Attribute-Based Signature (ABS), users sign messages with any predicate of their attributes issued from an attribute authority. Under this notion, a verifier verifies the signature that attests to a claim regarding the attributes the signer possesses rather than the identity of the individual who signed the message.
Xin Liu, Rui Zhang, Rui Xue
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Attribute-based signature schemes with accountability

International Journal of Information and Communication Technology, 2015
Since attribute-based signature ABS was introduced by Guo and Zeng in 2008, considerable researches have investigated this topic. In an ABS scheme, the attribute authority A-authority generates the private key for each user, hence, it has to be completely trusted.
Yan Ren, Chunming Tang, Guilin Wang, Duncan. S. Wong   +3 more
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Verifiable outsourced attribute-based signature scheme

Multimedia Tools and Applications, 2017
Attribute-based signature (ABS) enables a signer to sign messages over attributes without revealing any information about the master key of the system. Generally, the signer needs to execute modular exponentiation and bilinear pairing for many times in most of ABS systems, which is intolerable for resource-limited devices.
Yanli Ren, Tiejin Jiang
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EOABS: expressive outsourced attribute-based signature

Peer-to-Peer Networking and Applications, 2017
Emerging attribute based signature (ABS) can be used in the system to protect the individual privacy from being divulged. However, heavy computational cost is required during the signing phase because it grows linearly with the size of attributes. Besides, traditional ABS only supports threshold access structure, which impedes system managers to define
Ruo Mo, Jianfeng Ma, Ximeng Liu, Hai Liu
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Provable secure attribute-based proxy signature

Journal of Intelligent & Fuzzy Systems, 2019
Provable security theory generally adopts the method of reduction, which makes use of the unsolvable mathematical problems in number theory to reduce the scheme to be safe. The idea of proof is a method of proof by contradiction: First, it is assumed that it is not difficult to solve the scheme presented in this paper, then the process of proving it ...
Sun, Changxia, Liu, Yi, Zeng, Xia, Si, Haiping   +3 more
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Enhanced Security of Attribute-Based Signatures

2018
Despite the recent advances in attribute-based signatures (ABS), no schemes have yet been considered under a strong privacy definition. We enhance the security of ABS by presenting a strengthened simulation-based privacy definition and the first attribute-based signature functionality in the framework of universal composability (UC).
Johannes Blömer, Fabian Eidens, Jakob Juhnke   +2 more
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Attribute-based signature and its applications

Proceedings of the 5th ACM Symposium on Information, Computer and Communications Security, 2010
In an attribute-based signature (ABS), users sign messages with any predicate of their attributes issued from an attribute authority. Under this notion, a signature attests not to the identity of the individual who signed a message, but a claim regarding the attributes the underlying signer possesses.
Jin Li, Man Ho Au, Willy Susilo, Dongqing Xie, Kui Ren   +4 more
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Anonymity in Attribute-Based Group Signatures

2012
Attribute-Based Group Signature (ABGS) allows a member of a group who possesses precise attributes to sign on behalf of others. Moreover, it allows a verifier to confirm that the signer indeed possesses the attributes claimed, when signing. Naturally, a user's attributes may hold confidential information, and hence must be protected.
Bhumika K. Patel, Devesh Jinwala
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