2011

Table Of Contents
a signed drawing, or otherwise changing a signed drawing, invalidates the
signature.
NOTE Unless you use the Attach Digital Signatures utility, you must individually
sign each drawing.
To set an option for a signature to be attached after you save a file
1 Do one of the following:
Click Tools menu Options. In the Options dialog box, Open and
Save tab, click Security Options.
Click File menu Save As. In the Save Drawing As dialog box, click
Tools Security Options.
2 In the Security Options dialog box, Digital Signature tab, select Attach
Digital Signature After Saving Drawing.
3 Click OK.
NOTE In the Security Options dialog box, you can attach digital signatures
only to files that are compatible with the AutoCAD 2000 and later drawing-file
formats.
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.
Personally Sign Drawings | 1931