# PDF Passwords and Permissions

> UserPassword, MasterPassword and PDF permissions compared: apply the permissions of an opened PDF to the WPF TextControl and check saved files for encryption.

- **Product:** TX Text Control .NET for WPF
- **Section:** Documentation
- **Kind:** Topic
- **Path:** TX Text Control .NET for WPF > Security > PDF Passwords and Permissions
- **Web URL:** https://docs.textcontrol.com/tx-text-control-dotnet-wpf/security/pdf-passwords/
- **LLMs URL:** https://docs.textcontrol.com/tx-text-control-dotnet-wpf/security/pdf-passwords/llms.txt
- **LLMs-Full URL:** https://docs.textcontrol.com/tx-text-control-dotnet-wpf/security/pdf-passwords/llms-full.txt

---

## On This Page

- [Passwords and Permissions Compared](https://docs.textcontrol.com/tx-text-control-dotnet-wpf/security/pdf-passwords/#passwords-and-permissions-compared)
- [Why Permissions Aren't Enough](https://docs.textcontrol.com/tx-text-control-dotnet-wpf/security/pdf-passwords/#why-permissions-aren-t-enough)
- [Respect the Permissions of a PDF](https://docs.textcontrol.com/tx-text-control-dotnet-wpf/security/pdf-passwords/#respect-the-permissions-of-a-pdf)
- [Check That a PDF Is Encrypted](https://docs.textcontrol.com/tx-text-control-dotnet-wpf/security/pdf-passwords/#check-that-a-pdf-is-encrypted)
- [Next Steps](https://docs.textcontrol.com/tx-text-control-dotnet-wpf/security/pdf-passwords/#next-steps)

---

## Nearby

- **Previous:** [Handling Untrusted Documents](https://docs.textcontrol.com/tx-text-control-dotnet-wpf/security/untrusted-documents/llms.txt)
- **Next:** [Certificate and Private Key Handling](https://docs.textcontrol.com/tx-text-control-dotnet-wpf/security/certificates/llms.txt)