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<!DOCTYPE article PUBLIC "-//NLM//DTD JATS (Z39.96) Journal Publishing DTD v1.0 20120330//EN" "JATS-journalpublishing1.dtd"><article xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink" article-type="research-article"><front><journal-meta><journal-id journal-id-type="publisher-id">INFORMATICA</journal-id><journal-title-group><journal-title>Informatica</journal-title></journal-title-group><issn pub-type="epub">0868-4952</issn><issn pub-type="ppub">0868-4952</issn><publisher><publisher-name>VU</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="publisher-id">inf14202</article-id><article-id pub-id-type="doi">10.15388/Informatica.2003.011</article-id><article-categories><subj-group subj-group-type="heading"><subject>Research article</subject></subj-group></article-categories><title-group><article-title>Partially Blind Threshold Signature Based on RSA</article-title></title-group><contrib-group><contrib contrib-type="Author"><name><surname>Chien</surname><given-names>Hung‐Yu</given-names></name><email xlink:href="mailto:redfish6@ms45.hinet.net">redfish6@ms45.hinet.net</email><xref ref-type="aff" rid="j_INFORMATICA_aff_000"/></contrib><aff id="j_INFORMATICA_aff_000">Department of Information Management, NanKai College, NanTou, Taiwan, ROC</aff></contrib-group><contrib-group><contrib contrib-type="Author"><name><surname>Jan</surname><given-names>Jinn‐Ke</given-names></name><xref ref-type="aff" rid="j_INFORMATICA_aff_001"/></contrib><aff id="j_INFORMATICA_aff_001">Institute of Computer Science, National Chung Hsing University, Taichung, Taiwan, ROC</aff></contrib-group><contrib-group><contrib contrib-type="Author"><name><surname>Tseng</surname><given-names>Yuh‐Min</given-names></name><xref ref-type="aff" rid="j_INFORMATICA_aff_002"/></contrib><aff id="j_INFORMATICA_aff_002">Department of Computer Science and Information Engineering, ChaoYang University of Technology, Taichung, Taiwan, ROC</aff></contrib-group><pub-date pub-type="epub"><day>01</day><month>01</month><year>2003</year></pub-date><volume>14</volume><issue>2</issue><fpage>155</fpage><lpage>166</lpage><history><date date-type="received"><day>01</day><month>05</month><year>2003</year></date></history><abstract><p>A partially blind signature scheme allows the signer to inoculate a non‐removable common information into his blind signature. This common information may represent the date or the amount of e‐cash. Due to its un‐traceablility and partial blindness property, the partially blind signature plays an important role in many e‐commerce applications. Based on the RSA scheme, we propose a partially blind threshold signature with low‐computational load for the client.</p></abstract><kwd-group><label>Keywords</label><kwd>cryptography</kwd><kwd>blind signature</kwd><kwd>e‐commerce</kwd></kwd-group></article-meta></front></article>