Patent ID: 9065823
Filing Date: 2015-06-23
Classification: H04L

Abstract:
1. A method for operating a digital signature server, a host computer, and a smart card connected to the host computer, to obtain a digital signature on a data item, comprising: establishing a network connection between a web browser instance on the host computer and a relying party server over a computer network; receiving, at the digital signature server, a signature request from the relying party via the communication with a web browser instance on the host computer, wherein the request, which is transmitted from the relying party to the digital signature server over a network connection between the web browser instance and the digital signature server via the web browser instance of the host computer, requests the digital signature server to digitally sign the data item on behalf of a user of a web service of the relying party; in response to receiving the signature request: receiving the signature at the digital signature server from the smart card via the host computer over the network connection between the web browser instance and the digital signature server; and upon receiving the signature at the digital signature server from the smart card via the host computer, transmitting the signature from the digital signature server to the relying party via the web browser instance over the network.