发明名称 Fremgangsmåde og system til implementering af en digital signatur
摘要 <p>Method for digitally signing an electronic form in a secure manner by means of a mobile station. In the method, the material to be signed, which comprises a form, its identifier, shared information, and/or essential information added to it, is transferred to the mobile station, a first hash code (H1) is computed from the material to be signed, the hash code is added to the material for transfer into the mobile station, the material transferred into the mobile station is signed digitally by means of the mobile station and the authenticity of the signed and transferred material is verified by comparing the signed hash code with the hash code computed from the material before the signature. Thanks to the invention, a mobile station can be safely used for digital signature in various applications.</p>
申请公布号 DK1142194(T3) 申请公布日期 2011.11.14
申请号 DK19990963605T 申请日期 1999.12.15
申请人 TELIASONERA FINLAND OYJ 发明人 VATANEN, HARRI
分类号 H04L9/32 主分类号 H04L9/32
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