摘要 |
A method to sign online documents may include the steps of loading a signing component from a remote server, automatically launching signing component at user local machine(PC, PDA or smart phone . . .), displaying signing component user interface in web page , entering a password and loading/applying a first key file in cooperation with the signing component, verifying the password and verifying first key, applying the first key to a document digest to generate a digital signature based on the document digest and first key. |