Session 64 Digital Signatures Presented by: Bob Peterson, P.E. Engineering Technology Systems

Obtain Certificate PKI Technology – Private key vs. Public key Class 2 certificate –Verification of identity (Certificate Authority) –“This is me” Token vs. Computer –Token is portable and provides two-part security (physical token and password) –Computer storage uses window login password Where to get certificate? –Verisign, Digitrust, Adobe affiliates, Usertrust

Create Signature Cell Library Follow directions found in “Signature Cell Creation.pdf” file Caution – If you lose your certificate, you will lose your cell library

Digital Signature Process for Construction Plans

Types of Signatures Plan sheet signature –Make sure all signatures are valid when assembling final set –Do not change any files (turn off save settings on exit) Title Sheet or Cover Sheet –Multiple signatures – only add signatures to avoid invalidating previous signatures Adobe Signature –Udot.pen creation of signature fields –Reader accessible file

Resource Locations UDOT –M:\Cadd_Apps\Signature_Tokens\ Consultants and Contractors –ftp://ftp.dot.utah.gov/COMPLEX/CADD_Supp ort/Digital_Signatures/