Search results for: Wanquan Liu

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Liu</title> <meta name="description" content="Search results for: Wanquan Liu"> <meta name="keywords" content="Wanquan Liu"> <meta name="viewport" content="width=device-width, initial-scale=1, minimum-scale=1, maximum-scale=1, user-scalable=no"> <meta charset="utf-8"> <link href="https://cdn.waset.org/favicon.ico" type="image/x-icon" rel="shortcut icon"> <link href="https://cdn.waset.org/static/plugins/bootstrap-4.2.1/css/bootstrap.min.css" rel="stylesheet"> <link href="https://cdn.waset.org/static/plugins/fontawesome/css/all.min.css" rel="stylesheet"> <link href="https://cdn.waset.org/static/css/site.css?v=150220211555" rel="stylesheet"> </head> <body> <header> <div class="container"> <nav class="navbar navbar-expand-lg navbar-light"> <a class="navbar-brand" href="https://waset.org"> <img src="https://cdn.waset.org/static/images/wasetc.png" alt="Open Science Research Excellence" title="Open Science Research Excellence" /> </a> <button class="d-block d-lg-none navbar-toggler ml-auto" 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class="input-group"> <i class="fas fa-search"></i> <input type="text" class="search-query" name="q" placeholder="Author, Title, Abstract, Keywords" value="Wanquan Liu"> <input type="submit" class="btn_search" value="Search"> </div> </div> </form> </div> </div> <div class="row mt-3"> <div class="col-sm-3"> <div class="card"> <div class="card-body"><strong>Commenced</strong> in January 2007</div> </div> </div> <div class="col-sm-3"> <div class="card"> <div class="card-body"><strong>Frequency:</strong> Monthly</div> </div> </div> <div class="col-sm-3"> <div class="card"> <div class="card-body"><strong>Edition:</strong> International</div> </div> </div> <div class="col-sm-3"> <div class="card"> <div class="card-body"><strong>Paper Count:</strong> 3</div> </div> </div> </div> <h1 class="mt-3 mb-3 text-center" style="font-size:1.6rem;">Search results for: Wanquan Liu</h1> <div class="card publication-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">3</span> Deniable Authentication Protocol Resisting Man-in-the-Middle Attack </h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/search?q=Song%20Han">Song Han</a>, <a href="https://publications.waset.org/search?q=Wanquan%20Liu"> Wanquan Liu</a>, <a href="https://publications.waset.org/search?q=Elizabeth%20Chang"> Elizabeth Chang</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Deniable authentication is a new protocol which not only enables a receiver to identify the source of a received message but also prevents a third party from identifying the source of the message. The proposed protocol in this paper makes use of bilinear pairings over elliptic curves, as well as the Diffie-Hellman key exchange protocol. Besides the security properties shared with previous authentication protocols, the proposed protocol provides the same level of security with smaller public key sizes. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/search?q=Deniable%20Authentication" title="Deniable Authentication">Deniable Authentication</a>, <a href="https://publications.waset.org/search?q=Man-in-the-middleAttack" title=" Man-in-the-middleAttack"> Man-in-the-middleAttack</a>, <a href="https://publications.waset.org/search?q=Cryptography" title=" Cryptography"> Cryptography</a>, <a href="https://publications.waset.org/search?q=Elliptic%20Curves." title=" Elliptic Curves."> Elliptic Curves.</a> </p> <a href="https://publications.waset.org/7357/deniable-authentication-protocol-resisting-man-in-the-middle-attack" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/7357/apa" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">APA</a> <a href="https://publications.waset.org/7357/bibtex" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">BibTeX</a> <a href="https://publications.waset.org/7357/chicago" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Chicago</a> <a href="https://publications.waset.org/7357/endnote" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">EndNote</a> <a href="https://publications.waset.org/7357/harvard" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Harvard</a> <a href="https://publications.waset.org/7357/json" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">JSON</a> <a href="https://publications.waset.org/7357/mla" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">MLA</a> <a href="https://publications.waset.org/7357/ris" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">RIS</a> <a href="https://publications.waset.org/7357/xml" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">XML</a> <a href="https://publications.waset.org/7357/iso690" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">ISO 690</a> <a href="https://publications.waset.org/7357.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">1616</span> </span> </div> </div> <div class="card publication-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">2</span> A New Proxy Signature Scheme As Secure As ElGamal Signature</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/search?q=Song%20Han">Song Han</a>, <a href="https://publications.waset.org/search?q=Elizabeth%20Chang"> Elizabeth Chang</a>, <a href="https://publications.waset.org/search?q=Jie%20Wang"> Jie Wang</a>, <a href="https://publications.waset.org/search?q=Wanquan%20Liu"> Wanquan Liu</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Proxy signature helps the proxy signer to sign messages on behalf of the original signer. It is very useful when the original signer (e.g. the president of a company) is not available to sign a specific document. If the original signer can not forge valid proxy signatures through impersonating the proxy signer, it will be robust in a virtual environment; thus the original signer can not shift any illegal action initiated by herself to the proxy signer. In this paper, we propose a new proxy signature scheme. The new scheme can prevent the original signer from impersonating the proxy signer to sign messages. The proposed scheme is based on the regular ElGamal signature. In addition, the fair privacy of the proxy signer is maintained. That means, the privacy of the proxy signer is preserved; and the privacy can be revealed when it is necessary. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/search?q=ElGamal%20signature" title="ElGamal signature">ElGamal signature</a>, <a href="https://publications.waset.org/search?q=Proxy%20signature" title=" Proxy signature"> Proxy signature</a>, <a href="https://publications.waset.org/search?q=Security" title=" Security"> Security</a>, <a href="https://publications.waset.org/search?q=Hash%0Afunction" title=" Hash function"> Hash function</a>, <a href="https://publications.waset.org/search?q=Fair%20privacy." title=" Fair privacy."> Fair privacy.</a> </p> <a href="https://publications.waset.org/3873/a-new-proxy-signature-scheme-as-secure-as-elgamal-signature" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/3873/apa" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">APA</a> <a href="https://publications.waset.org/3873/bibtex" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">BibTeX</a> <a href="https://publications.waset.org/3873/chicago" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Chicago</a> <a href="https://publications.waset.org/3873/endnote" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">EndNote</a> <a href="https://publications.waset.org/3873/harvard" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Harvard</a> <a href="https://publications.waset.org/3873/json" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">JSON</a> <a href="https://publications.waset.org/3873/mla" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">MLA</a> <a href="https://publications.waset.org/3873/ris" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">RIS</a> <a href="https://publications.waset.org/3873/xml" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">XML</a> <a href="https://publications.waset.org/3873/iso690" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">ISO 690</a> <a href="https://publications.waset.org/3873.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">1597</span> </span> </div> </div> <div class="card publication-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">1</span> New Proxy Signatures Preserving Privacy and as Secure as ElGamal Signatures</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/search?q=Song%20Han">Song Han</a>, <a href="https://publications.waset.org/search?q=Elizabeth%20Chang"> Elizabeth Chang</a>, <a href="https://publications.waset.org/search?q=Jie%20Wang"> Jie Wang</a>, <a href="https://publications.waset.org/search?q=Wanquan%20Liu"> Wanquan Liu</a> </p> <p class="card-text"><strong>Abstract:</strong></p> <p>Digital signature is a useful primitive to attain the integrity and authenticity in various wire or wireless communications. Proxy signature is one type of the digital signatures. It helps the proxy signer to sign messages on behalf of the original signer. It is very useful when the original signer (e.g. the president of a company) is not available to sign a specific document. If the original signer can not forge valid proxy signatures through impersonating the proxy signer, it will be robust in a virtual environment; thus the original signer can not shift any illegal action initiated by herself to the proxy signer. In this paper, we propose a new proxy signature scheme. The new scheme can prevent the original signer from impersonating the proxy signer to sign messages. The proposed scheme is based on the regular ElGamal signature. In addition, the fair privacy of the proxy signer is maintained. That means, the privacy of the proxy signer is preserved; and the privacy can be revealed when it is necessary.</p> <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/search?q=ElGamal%20signature" title="ElGamal signature">ElGamal signature</a>, <a href="https://publications.waset.org/search?q=proxy%20signature" title=" proxy signature"> proxy signature</a>, <a href="https://publications.waset.org/search?q=security" title=" security"> security</a>, <a href="https://publications.waset.org/search?q=hash%20function" title=" hash function"> hash function</a>, <a href="https://publications.waset.org/search?q=fair%20privacy." title=" fair privacy."> fair privacy.</a> </p> <a href="https://publications.waset.org/14613/new-proxy-signatures-preserving-privacy-and-as-secure-as-elgamal-signatures" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/14613/apa" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">APA</a> 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Search results for: Wanquan Liu