2011

Table Of Contents
NOTE To prevent changes to the drawing, applying a digital signature to a drawing
automatically sets the FIELDEVAL system variable to 0 (manual update).
To obtain a digital ID on the Internet
1 Open a search engine in your Internet browser and search for the term
digital certificate.
2 Click a search result to find out more about a digital ID vendor and how
to obtain a digital ID.
Quick Reference
Commands
SECURITYOPTIONS
Specifies password or digital signature options for a drawing file.
SIGVALIDATE
Displays information about the digital signature attached to a drawing file.
System Variables
SIGWARN
Controls whether a warning is presented when a file with an attached digital
signature is opened.
Utilities
Attach Digital Signatures
Attaches a digital signature to files.
Attach a Signature to a Single File
When you attach a digital signature to a file, you are helping to ensure that
recipients of the file are notified of modifications.
You can set an option for a signature to be attached after you save a file. A
single digital signature can be attached per file.
If you plan to protect a set of drawings with a password and a signature, first
add the passwords, and then sign the files in a batch. Adding a password to
1930 | Chapter 40 Protect and Sign Drawings