Class | Description | |
---|---|---|
Security | Provides security and encryption services and manages permissions for GrapeCity.Documents.Pdf.GcPdfDocument objects. | |
SecurityHandlerBase | Base abstract class defining PDF Security Handler. | |
Signature | Represents a digital signature in a PDF. | |
StandardSecurityHandler | Defines base class for Standard Security Handlers. These security handlers allow access permissions and up to two passwords to be specified for a document: an owner password and a user password. | |
StandardSecurityHandlerRev2 | Defines Standard Security Handler Revision 2. This handler uses RC4 encryption with key 40 bit length. | |
StandardSecurityHandlerRev3 | Represents a Standard Security Handler Revision 3.
This handler uses RC4 encryption with key from 40 to 128 bit length and allows to define additional permission flags. | |
StandardSecurityHandlerRev4 | Represents Standard Security Handler Revision 4.
This handler can use RC4 encryption with key 40-128 bit or AES encryption with 128 bit key and allows to define additional permission flags. | |
StandardSecurityHandlerRev5 | Represents Standard Security Handler Revision 5.
This handler always use AES encryption with key length of 256 bit, it is described in Adobe Supplement to the ISO 32000. |