Meziantou.Framework

PdfEncryptionAlgorithm Enum

Namespace
Meziantou.Framework.Pdf
Assembly
Meziantou.Framework.Pdf.dll
Package
Meziantou.Framework.Pdf 1.0.7
Available in package assets
net10.0net11.0

The algorithm of the standard security handler that encrypts the strings and the streams of a document (ISO 32000-2, 7.6).

public enum PdfEncryptionAlgorithm

Fields

NameValueDescription
Rc4With40BitKey0RC4 with a 40-bit key: revision 2 of the standard security handler (PDF 1.1). It is not secure: use it only for old readers.
Rc4With128BitKey1RC4 with a 128-bit key: revision 3 (PDF 1.4). It is not secure, and PDF 2.0 deprecates it.
AesWith128BitKey2AES with a 128-bit key: revision 4 (PDF 1.6). PDF 2.0 deprecates it.
AesWith256BitKey3AES with a 256-bit key: revision 6 (PDF 2.0). The default.