| 摘要 |
<p>The present invention relates to a method for providing an electronic signature service using an instant messenger. The objective of the present invention is to provide the method for providing a biometric authentication electronic signature service with confidentiality, integrity, non-repudiation, and user authentication. The method, which is carried out by a single service system, is capable of: preventing forgery and alteration in an electronic transaction statement due to a memory hacking or the like by binarizing an electronic transaction approval request process and an electronic signature performing process using intrinsic personal biometric information in an electronic manner; fundamentally blocking user authentication and electronic transaction approval in various hackings and illegal duplication pirates; reinforcing security without requiring separate additional authentication of two channels or more; and improving user convenience and operation efficiency of a web service provider.</p> |
