SetEncryptedPayloadFromString

Security and encryption

Description

Stores complete in-memory encrypted PDF bytes as the payload of the selected unencrypted PDF

Function TPDFlib.SetEncryptedPayloadFromString(Const FileBytes: AnsiString; Const Subtype, PayloadVersion: WideString): Integer;

int DLSetEncryptedPayloadFromString(int InstanceID, const char* FileBytes, int FileLength, const wchar_t* Subtype, const wchar_t* PayloadVersion);

FileBytes	Complete binary encrypted PDF data
FileLength	DLL byte length, including any embedded zero bytes
Subtype	PDF name identifying the encryption handler
PayloadVersion	Optional PDF name identifying the handler version

1	The payload was added
0	The input or wrapper state was invalid

The function stores bytes without decrypting or rewriting the payload and automatically raises the outer document to PDF 2.0