Practical fair anonymous undeniable signatures
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We present a new model for undeniable signatures: fair-anonymous undeniable signatures. This protocol can not only preserve the privacy of the signer (i.e. anonymity) but also track the illegal utilization of the valid signatures. In addition, our model prevents the trusted centre from forging a valid signature for any signer.
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Han, Song; Chang, Elizabeth; Dillon, Tharam S.; Wang, J. (2006)Undeniable signatures are the digital signatures that should be verified with the help of the signer. A signer may disavow a genuine document, if the signature is only verifiable with the aid of the signer under the ...
Han, Song; Chang, Elizabeth; Wang, J. (2005)Blind signatures allow a user to get a signature on any message without revealing the content of the message to the signer. Partially blind signatures allow the signer to explicitly include common information in the blind ...
"I'd be so much more comfortable posting anonymously": Identified versus anonymous participation in student discussion boardsRoberts, Lynne; Rajah-Kanagasabai, C. (2013)Academic staff members encourage university students to use online student discussion boards within learning management systems to ask and answer questions, share information and engage in discussion. We explore the impact ...