# unlockWithPassword(_:) Unlocks an encrypted PDF document when a valid password is supplied. ``` func unlockWithPassword(_ password: UnsafePointer) -> Bool ``` ## Parameters `password` A pointer to a string that contains the password. ## Return Value A Boolean that, if , indicates that the document has been successfully unlocked. If the value is , the document has not been unlocked. ## Discussion Given an encrypted PDF document and a password, this function does the following: - Sets the lock state of the document, based on the validity of the password. - Returns if the document is unlocked. - Returns if the document cannot be unlocked with the specified password. Unlocking a PDF document makes it possible to decrypt the document and perform other privileged operations. Different passwords enable different operations. --- Copyright © 2026 Apple Inc. All rights reserved. | [Terms of Use](https://www.apple.com/legal/internet-services/terms/site.html) | [Privacy Policy](https://www.apple.com/privacy/privacy-policy)