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Chapter 6: Adding digital signatures to
PDFs
Digital signatures identify the person signing a PDF.
Quickstart
Create a signature appearance
You can modify your digital signature appearance. For example, you can include your scanned signature.
1 (Optional) Save the desired image on a page by itself, and convert the page to PDF.
You can create a PDF using
Create Adobe PDF Online.
2 Choose Edit > Preferences (Windows) or Reader (Mac OS) > Preferences, and select Security.
3 Click New, and type a title.
4 (Optional) Select Imported Graphic, click File, and select the desired file.
5 Specify options as desired.
Sign a PDF
Use a digital signature to indicate your approval. For best results, change your security preferences to always sign in
Preview Document mode, so that you can view and sign the PDF in a secure state.
1 Click the signature field. Or, click Sign , and choose Sign Document.
2 Follow the on-screen instructions to apply your digital signature.
If the document does not contain an unsigned signature field, click Sign and choose Place Signature to sign the PDF.
Register a digital ID
You must register a digital ID in Reader before you can use it.
1 Choose Document > Security Settings.
2 Select Digital IDs, and click Add ID.
3 Select Browse For An Existing Digital ID File.
4 Follow the on-screen instructions to select the digital ID file, type your password, and register the digital ID.
Yo u c a n c r e a t e
self-signed digital IDs in Reader. Or, see the Adobe website for information on acquiring a digital ID
from Adobe security partners.
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