Enum PdfCryptFilter.CryptFilterMethod
The crypt filter method to choose in the CFM key.
public enum PdfCryptFilter.CryptFilterMethod
Fields
AESV2 = 2
Encrypt with AES and a file encryption key length of 128. Used for encryption Version 4.
AESV3 = 3
Encrypt with AES and a file encryption key length of 256. Used for encryption Version 5.
None = 0
The encryption shall be handled by the security handler.
V2 = 1
Encrypt with RC4. Used for encryption Version 4.