发明名称 Förfarande och system för realisering av en digital namnteckning
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 FI982728(A0) 申请公布日期 1998.12.16
申请号 FI19980002728 申请日期 1998.12.16
申请人 SONERA OY 发明人 VATANEN, HARRI
分类号 H04L9/32;(IPC1-7):G07C;G07C 主分类号 H04L9/32
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