| 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. |
| SignatureContent | Represents information parsed from a PDF signature's binary data. |
| 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. |
| StandardSecurityHandlerRev6 | Represents Standard Security Handler Revision 6.
This handler always use AES encryption with key length of 256 bit, it is described in PDF 2.0 specification. |
GrapeCity.Documents.Pdf.Security Namespace
In This Topic
Classes
Enumerations
| Enumeration | Description | |
|---|---|---|
 | AccessPermissions | Defines access permissions granted by a signature to the signed document. |
| AccessType | Defines possible access types to the PDF document. |
| CopyContentPermissions | Enumerates possible permissions that control the ability to copy a document's content. |
| EditingPermissions | Flags specifying possible permissions that control the editing of a document. |
| EncryptionAlgorithm | Defines possible encryption algorithms. |
| EncryptionStreamType | Defines possible types of streams in context of encryption. |
| PrintingPermissions | Enumerates possible permissions that control the printing of a document. |
See Also