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Abstract
The technology to create secure digital signatures is proven and workable on PC-level hardware, as well as on mainframes. the issues currently restraining widespread use of digital signatures are primarily legal. This tutorial survey first identifies the functions a digital signature should ideally perform by tracing an example Internet-based electronic business transaction. After an overview of the technology that provides the required functionality, this article presents the current legal status of digital signature use, including a number of unresolved liability issues, and summarizes some precautions for digital signature use.