Guide to Using Certificate Encryption Feature in WPS PDF

Feature Summary

Encrypt PDF documents using digital certificates to provide a higher level of security.

Feature Description

Steps

Certificate Encryption Feature

Feature Entry
Protect tab > Certificate Encryption button

1. Open the PDF file that you want to encrypt.
2. Click the Protect tab in the top ribbon.
3. Click the Certificate Encryption button in the ribbon.
4. Select a certificate and click the Encrypt button to complete the encryption.

Add Digital Certificate from Local Storage

Feature Entry
Certificate Encryption dialog box > + Add Certificate button > Add Certificate from Local Storage button

1. The Certificate Encryption dialog box appears.
2. View the current encryption status: Unencrypted.
3. Click the + Add Certificate button.
4. Click the Add Certificate from Local Storage button.
5. Select the digital certificate file to be used for encryption.
6. Click the Open button to complete the addition.

Create Self-Signed Certificate

Feature Entry
Certificate Encryption dialog box > + Add Certificate button > Create Self-Signed Certificate button

1. The Certificate Encryption dialog box appears.
2. View the current encryption status: Unencrypted.
3. Click the + Add Certificate button.
4. Click the Create Self-Signed Certificate button.
5. Set the certificate storage location, certificate information, and certificate password.
6. Click the OK button to complete the creation.

FAQ

Question 1: How do I obtain a digital certificate?

• Solution: You can apply for a digital certificate from a certificate authority (CA), or use a self-signed certificate.

Question 2: Can certificate encryption be revoked?

• Solution: Yes. You can decrypt the document using the corresponding digital certificate.

Notes

• Certificate encryption requires a valid digital certificate.
• Keep your certificate and password safe.
• You must renew the certificate after it expires.