Example of Encrypt And Decrypt in ASP.NET Core PowerPoint (Presentation) Library
This sample demonstrates how to encrypt and decrypt the PowerPoint document using Essential Presentation.
Click the button to view a PowerPoint presentation generated by Essential Presentation. Please note
that Microsoft PowerPoint viewer or its equivalent is required to view the resultant document.
Presentation library supports to encrypt a PowerPoint document with password that restrict others from accessing or modifying confidential contents. You can also open an encrypted PowerPoint document using Presentation library with valid password.
More information about the encrypt and decrypt options can be found in this