Overview
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Windows NT
Yes
Win95
No
Win32s
No
Import Library
-
Header File
winnt.h
Unicode
No
Platform Notes
None

SID_IDENTIFIER_AUTHORITY

The SID_IDENTIFIER_AUTHORITY structure represents the top-level authority of a security identifier (SID).

typedef struct _SID_IDENTIFIER_AUTHORITY { // sia

BYTE Value[6];

} SID_IDENTIFIER_AUTHORITY ;

Members

Value

An array of six bytes specifying a SID's top-level authority.

Remarks

The identifier authority value identifies the agency that issued the SID. Some identifier authorities are predefined:

Identifier authority
Value
SECURITY_NULL_SID_AUTHORITY
0
SECURITY_WORLD_SID_AUTHORITY

SECURITY_LOCAL_SID_AUTHORITY

SECURITY_CREATOR_SID_AUTHORITY

SECURITY_NT_AUTHORITY
5

A SID must contain a top-level authority and at least one relative identifier (RID) value.

See Also

AllocateAndInitializeSid
, GetSidIdentifierAuthority, InitializeSid, SID

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