Sign
The Sign function adds a digital signature to the document.
All passwords entered into this function's properties will be visible in plain text in the Linx solution file and in the compiled .Net assembly.
Properties
Input PDF
The follow properties specify the PDF document to be loaded and modified by the operation:
Input PDF file path
Path to the PDF file.
Input authentication type
PDF files can be protected using a password or a certificate, this field indicates which type of authentication to attempt when loading the PDF.
- None
The document is unprotected and can be opened immediately. - Password
The document is protected by a password. - Certificate
The document is protected by a certificate.
Certificate protected files are not
supported by the "Fill form", "Sign", "Add watermark" and
"Concatenate" operations.
If you need to use the operations on a certificate protected
document, first remove the certificate protection using the "Change
protection" operation. The
certificate must include the private key in order to be able to load
the document.
Input PDF password
Password required to access the PDF file.
Input certificate source
Source to load the certificate from. (Visible when using "Certificate" authentication type.)
- File
Load a certificate from a .pfx file. - Store
Load a certificate from the windows certificate store.
Input certificate file path
Path to a .pfx file containing a certificate.
Input certificate file password
Password needed to open the certificate file.
Input certificate
Certificate loaded from the windows certificate store. (Visible when using "Store" as the certificate source.)
Output PDF
The follow properties specify options for saving the PDF document after it has been modified.
Output PDF file path
Path of the PDF file to write to.
Sign
Signed at
Location where the signing took place.
Reason
Reason for signing the document.
Lock document after signing
Lock the document to prevent further changes.
Signing certificate source
- File
Load the certificate from a .pfx file. - Store
Load the certificate from the windows key store.
Signing certificate file path
Path to a .pfx file containing the signing certificate.
Signing certificate file password
Password needed to decrypt the certificate file.
Signing certificate
Certificate in the windows keystore.
Signature placement
Where to place the signature in the document
- No visible signature (Hidden)
Don't display a visible signature. - Form signature field
Insert the signature into an existing signature form field. - On page
Place a visible signature on a specific page in the document.
Position X (mm), Position Y (mm)
The coordinates of the signature's position on the page.
(Visible if signature placement is "On page")
The X and Y coordinates refer to the horizontal and vertical offset
(in mm) of the top-left corner of the signature, relative to the bottom-left corner of the page.
Width (mm), Height (mm)
This size of the signature box.
Field name
Form field name to place the signature in. (Visible when Signature placement is "Form signature field").
Background image
Path to an image to use as the background for the signature field. This can be left blank if no background image is needed.
Page
The page number on which the signature should be placed.