Changing PDF Document Permissions and Passwords

It is possible to set / update permissions and passwords in a PDF document using several of Qoppa’s Java PDF libraries and components. Call to change document permissions and passwords depending on which Qoppa library you use:   // with jPDFSecure PDFSecure.setPasswordPermissions(newPermPwd, newOpenPwd, permissions, currentPermPwd, encryptType);   // with jPDFProcess PDFDocument.setPasswordPermissions(newPermPwd, newOpenPwd, permissions, currentPermPwd, encryptType); […]

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Multiple types of permissions in a PDF document

Starting with v2014R1, when enforcing permissions within a PDF document, Qoppa’s libraries check against 3 permissions types. The existing API was modified to reflect this change. Document Permissions – when the document is encrypted. DocMDP Permissions – when the document has a certifying signature. Usage Right Permissions – when the document is Adobe Reader enabled. […]

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