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Published in:
2018 | OriginalPaper | Chapter
Group Signature with Signer-Controlled Opening Capability: Separate Token Generator
Authors : Sungwook Eom, Jun-Ho Huh
Published in: Advances in Computer Science and Ubiquitous Computing
Publisher: Springer Singapore
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Abstract
One of the most important cytological authorization methods to protect privacy is group signature method. Verifiers have limited information of the signers that gives the limited certainties that the signer is from the group while the specific identities of the signers are still concealed. In a group signature method, the openers can reveal the anonymous signers. However, the point that opener is always authorizable to check the signer’s identification without consent is useful to manage malice actions but is also doubtful for the signers because of the risk of the privacy exposure. This paper proposes a resolution for the signer’s anxiety. It tells that the signer has a right to create a token whenever they want to open their identity and only the opener with the token from the signer have access to the signer’s identification.