This structure describes the data for the standard security handler.
Declaration:
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typedef struct tagAT_PDF_SECURITYDATA
{
AT_UINT size;
AT_PDF_BOOL newUserPW;
AT_PDF_BOOL hasUserPW;
CHAR userPW[256];
AT_PDF_BOOL newOwnerPW;
AT_PDF_BOOL hasOwnerPW;
CHAR ownerPW[256];
AT_DWORD perms;
LONG keyLength;
AT_INT32 revision;
AT_PDF_BOOL encryptMetadata;
LONG encryptMethod;
AT_PDF_BOOL encryptAttachmentsOnly;
AT_INT32 version;
} AT_PDF_SECURITYDATA;
typedef AT_PDF_SECURITYDATA FAR* LPAT_PDF_SECURITYDATA;
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Members:
| Name | Type | Description |
| size | AT_UINT | Size of this structure. |
| newUserPW | AT_PDF_BOOL | TRUE if the user password should be changed. |
| hasUserPW | AT_PDF_BOOL | TRUE if there is a user password. |
| userPW | CHAR[256] | The user password string. |
| newOwnerPW | AT_PDF_BOOL | TRUE if the owner password should be changed; FALSE otherwise. |
| hasOwnerPW | AT_PDF_BOOL | TRUE if an owner password is provided; FALSE otherwise. |
| ownerPW | CHAR[256] | The owner password string. |
| perms | AT_DWORD | Permissions to allow. An OR of the enumIGPDFPermsFlags values. |
| keyLength | LONG | Encryption key length in byte. |
| revision | AT_INT32 | Indicates /R value. |
| encryptMetadata | AT_PDF_BOOL | Flag that indicates whether document metadata will be encrypted. |
| encryptMethod | LONG | Method of encryption for filters to use. One of the enumIGPDFStdSecurityMethod values. |
| encryptAttachmentsOnly | AT_PDF_BOOL | Flag to indicate that only Attachments are encrypted - encryptMetadata and encryptAttachmentsOnly cannot both be true. |
| version | AT_INT32 | Indicates a /V value. |
Remarks:
The password strings in PDF are padded or truncated to exactly 32 bytes. If the password string is more than 32 bytes long, used only its first 32 bytes; if it is less than 32 bytes long, it padded by appending the required number of additional bytes from the beginning of the following padding string: <28 BF 4E 5E 4E 75 8A 41 64 00 4E 56 FF FA 01 08 2E 2E 00 B6 D0 68 3E 80 2F 0C A9 FE 64 53 69 7A >