SID_IDENTIFIER_AUTHORITY info  Overview  Group

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	1
SECURITY_LOCAL_SID_AUTHORITY	2
SECURITY_CREATOR_SID_AUTHORITY	3
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