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

SECURITY_DESCRIPTOR

The SECURITY_DESCRIPTOR structure contains the security information associated with an object. Applications use this structure to set and query an object's security status.

Applications are not to modify the SECURITY_DESCRIPTOR structure directly. For creating and manipulating a security descriptor, use the functions listed in the See Also section.

typedef PVOID PSECURITY_DESCRIPTOR;

Remarks

A security descriptor includes information that specifies the following components of an object's security:

  • An owner (SID)

  • A primary group (SID)

  • A discretionary ACL

  • A system ACL

  • Qualifiers for the preceding items

Security descriptors use access-control lists (ACLs) and security identifiers (SIDs) to specify the information in this list.

A security descriptor can be in absolute or self-relative form. In self-relative form, all members of the structure are located contiguously in memory. In absolute form, the structure only contains pointers to the members.

See Also

GetSecurityDescriptorControl
, GetSecurityDescriptorDacl, GetSecurityDescriptorGroup, GetSecurityDescriptorLength, GetSecurityDescriptorOwner, GetSecurityDescriptorSacl, InitializeSecurityDescriptor, IsValidSecurityDescriptor, SetSecurityDescriptorDacl, SetSecurityDescriptorGroup, SetSecurityDescriptorOwner, SetSecurityDescriptorSacl

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