Comment Re:So...revoke the certificate (Score 2) 383
As a professional engineer, I have to certify the designs I send out were created by me. In the past, a rubber stamp and an ink signature were used (still are in many places), but I sign everything digitally. I've created and posted a public key hosted on my web server which has been sufficient for 99.9% of clients to date - all but 2. One client required a know authority to hold the certificate, but wasn't willing to pay for it, so we "compromised" and I hand signed the sheets. The other client simply wouldn't accept digital signatures.