PDFEncryptionSettingsDialog
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Encryption Settings
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Encryption Method
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Encryption algorithm
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<html><head/><body><p>Select encryption algorithm. AES-256 is strongly recommended, because older encryption algorithm can be potentially broken. Select older algorithms (as AES-128 or RC4) only, if you need backward compatibility. Also, choose a strong password to ensure strong encryption.</p><p>Public key security using certificate is also supported. In that case, you must select a certificate with private key, and this certificate is then used to encrypt data. User, which wants to open document encrypted with certificate, must have a private key to the certificae.</p></body></html>
true
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Certificate
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Passwords
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Password (document open)
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QLineEdit::Password
true
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QLineEdit::Password
true
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Password (owner access)
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Encrypt Contents
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Encrypt all document contents, including document metadata
true
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Encrypt all document contets except metadata
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Encrypt file attachments only
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Permissions
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Print (low resolution)
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Fill interactive forms
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Print (high resolution)
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Accessibility
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Modify document contents
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Assemble document (insert, rotate, delete pages...)
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Edit interactive items (annotations, forms, ...)
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Copy/extract document content
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Qt::Horizontal
QDialogButtonBox::Cancel|QDialogButtonBox::Ok
buttonBox
accepted()
PDFEncryptionSettingsDialog
accept()
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buttonBox
rejected()
PDFEncryptionSettingsDialog
reject()
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