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I want to sign the PDF using client certificate. It only work when I got the file is stored in my PC. Since I want to sign my PDF by using the certificate stored inside a USB token, what should I do to achieve that.
I tried to search from the internet, but all I got are mostly using JAVA. Is there anyway to achieve the same goal using PHP? If not, can anyone provide an alternative way to sign my PDF.
Are you talking about a PHP application that’s running on a web server, and the USB token being attached to your client machine? Then forget it; it won’t work because you cannot access the client’s USB port from your web server via the client’s browser without further plugins.
The java apps you’re talking about are running in the client’s browser and thus may have access to the usb port.