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InitializeSid info  Overview  Group

The InitializeSid function initializes a SID structure. An SID is a security identifier.

BOOL InitializeSid(

    PSID Sid,

// address of SID to initialize

    PSID_IDENTIFIER_AUTHORITY pIdentifierAuthority,

// address of identifier authority

    BYTE nSubAuthorityCount 

// count of subauthorities



Points to a SID structure to be initialized.
Points to a SID_IDENTIFIER_AUTHORITY structure to set in the SID structure.
Specifies the number of subauthorities to set in the SID. Values of the subauthority must be set separately, as described in the following Remarks section.

Return Values

If the function succeeds, the return value is nonzero.

If the function fails, the return value is zero. To get extended error information, call GetLastError.


Although the InitializeSid function sets the number of subauthorities for the SID, it does not set the subauthority values. This must be done separately, using functions, such as GetSidSubAuthority.

An application can use the AllocateAndInitializeSid function to initialize a SID and set its subauthority values.

See Also

AllocateAndInitializeSid, GetLengthSid, GetSidIdentifierAuthority, GetSidLengthRequired, GetSidSubAuthority, GetSidSubAuthorityCount, IsValidSid, SID, SID_IDENTIFIER_AUTHORITY 

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