| com.lowagie.text.pdf.interfaces.PdfEncryptionSettings
All known Subclasses: com.lowagie.text.pdf.PdfStamper, com.lowagie.text.pdf.PdfCopyFields, com.lowagie.text.pdf.PdfWriter,
| PdfEncryptionSettings | | public interface PdfEncryptionSettings (Code) | | Encryption settings are described in section 3.5 (more specifically
section 3.5.2) of the PDF Reference 1.7.
They are explained in section 3.3.3 of the book 'iText in Action'.
The values of the different preferences were originally stored
in class PdfWriter, but they have been moved to this separate interface
for reasons of convenience.
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| Method Summary | |
| public void | setEncryption(byte userPassword, byte ownerPassword, int permissions, int encryptionType)
Sets the encryption options for this document. | | public void | setEncryption(Certificate[] certs, int[] permissions, int encryptionType)
Sets the certificate encryption options for this document. |
| setEncryption | | public void setEncryption(byte userPassword, byte ownerPassword, int permissions, int encryptionType) throws DocumentException(Code) | | Sets the encryption options for this document. The userPassword and the
ownerPassword can be null or have zero length. In this case the ownerPassword
is replaced by a random string. The open permissions for the document can be
AllowPrinting, AllowModifyContents, AllowCopy, AllowModifyAnnotations,
AllowFillIn, AllowScreenReaders, AllowAssembly and AllowDegradedPrinting.
The permissions can be combined by ORing them.
Parameters:
userPassword - the user password. Can be null or empty
Parameters:
ownerPassword - the owner password. Can be null or empty
Parameters:
permissions - the user permissions
Parameters:
encryptionType - the type of encryption. It can be one of STANDARD_ENCRYPTION_40, STANDARD_ENCRYPTION_128 or ENCRYPTION_AES128.Optionally DO_NOT_ENCRYPT_METADATA can be ored to output the metadata in cleartext
throws:
DocumentException - if the document is already open |
| setEncryption | | public void setEncryption(Certificate[] certs, int[] permissions, int encryptionType) throws DocumentException(Code) | | Sets the certificate encryption options for this document. An array of one or more public certificates
must be provided together with an array of the same size for the permissions for each certificate.
The open permissions for the document can be
AllowPrinting, AllowModifyContents, AllowCopy, AllowModifyAnnotations,
AllowFillIn, AllowScreenReaders, AllowAssembly and AllowDegradedPrinting.
The permissions can be combined by ORing them.
Optionally DO_NOT_ENCRYPT_METADATA can be ored to output the metadata in cleartext
Parameters:
certs - the public certificates to be used for the encryption
Parameters:
permissions - the user permissions for each of the certicates
Parameters:
encryptionType - the type of encryption. It can be one of STANDARD_ENCRYPTION_40, STANDARD_ENCRYPTION_128 or ENCRYPTION_AES128.
throws:
DocumentException - if the document is already open |
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