11.2.1 for Windows

Foxit PDF Editor
Chapter 10: Security User Manual
320
Remove password and security settings
To remove password and security settings from a PDF, you must have the permissions
to do so.
1. Open a PDF, and choose either way of the following to remove password and
security settings.
 Choose Protect > Secure Document > Remove Security.
 Choose Protect > Secure Document > Security Properties, or choose File >
Properties. In the Security tab of the Document Properties dialog box, choose No
Protection from Security Method menu.
2. A Foxit Security message box will prompt to ask whether you are sure to remove
security from this document.
Certification Protection
The advantage of securing documents with certificates is that authors can specify
unique permissions for each person. For example, authors can permit a person to fill
in forms and comment in document, and permit another person to edit text or delete
pages. You can choose certificates from files on disk, or from the Windows certificate
store. Only a specific set of users whose identities can be verified and managed can
have access to the document. A certificate that contains public key and other
identifying information is used to encrypt documents, or verified a digital signature.
Only corresponding private key decrypts the document that was encrypting using the
certificate.
Generally, if possible, encrypt documents using certificates from third-party provider.
If the certificate is lost or stolen, the issuing authority can replace it, if a self-signed
certificate is deleted, all PDFs encrypted using the certificate is forever inaccessible.
Add a certificate security
1. Choose Protect > Secure Document > Certificate Protect.
2. In Certificate Protection dialog box, create intended recipient list for the encrypt
document：
 Click New ID to create and store your self-signed digital ID in:
New PKCS#12 digital ID file – Stores the digital ID information to a file with