PdfSecurityOptionsEncryptionAlgorithm Property

The encryption algorithm used to encrypt the PDF document generated by the HTML to PDF converter. When this property is not set, the RC4 algorithm is used for PDF 1.x documents and the AES algorithm is used for PDF 2.0 documents, like the PDF/UA-2 documents. PDF 2.0 documents encrypted with AES and a 256 bit key use the encryption revision 6 defined in ISO 32000-2.

public EncryptionAlgorithm EncryptionAlgorithm { get; set; }