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The RtlInitializeSidEx routine initializes a pre-allocated security identifier (SID) structure.
Syntax
NTSYSAPI NTSTATUS RtlInitializeSidEx(
[out] PSID Sid,
[in] PSID_IDENTIFIER_AUTHORITY IdentifierAuthority,
[in] UCHAR SubAuthorityCount,
...
);
Parameters
[out] Sid
Pointer to a caller-allocated SID structure to be initialized.
[in] IdentifierAuthority
Pointer to an SID_IDENTIFIER_AUTHORITY structure to set in the SID structure.
[in] SubAuthorityCount
Number of sub-authorities to set in the SID.
...
The values to set each sub-authority. The caller must specify the SubAuthorityCount argument.
Return value
RtlInitializeSid returns one of the following:
| Return code | Description |
|---|---|
|
The SID was successfully initialized. |
|
The specified SubAuthorityCount value is invalid. |
Remarks
For more information about security and access control, see Windows security model for driver developers and the documentation on these topics in the Windows SDK.
Requirements
| Requirement | Value |
|---|---|
| Minimum supported client | Windows 10 |
| Target Platform | Universal |
| Header | ntifs.h (include Ntifs.h) |
| Library | NtosKrnl.lib |
| DLL | NtosKrnl.exe |
| IRQL | <= APC_LEVEL |