| 摘要 |
<p>A signing interface is disclosed for facilitating digital signing of electronic messages by a buyer or other subscribing party in an e-commerce or other context. The signing interface provides a mechanism by which a seller(108)'s Web application may invoke a buyer(106)'s smartcard subsystem or other signing module to execute a digital signature. The signing interface preferably comprises a signing interface library and a signing plug-in resident on the buyer(106)'s computer. The signing interface library is preferably implemented as a Java package and associated libraries that are installed locally on the buyer's computer and made accessible to signed Java applets provided by the seller(108)'s Web server. The signing plug-in is preferably implemented as a plug-in, Active X control, or similar code that is installed locally on the buyer(106)'s Web browser using an embedded browser object on a seller(108)'s Web page. In a preferred embodiment, the signing interface may be adapted to facilitate access to system services such as a warranty service provided via a four-corner trust model.</p> |
