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2.2.15 access_mask Element

Name: access_mask

Namespace: http://schemas.microsoft.com/security/

Type: hexBinary [XMLSCHEMA2/2] section 3.2.15, but limited to between one and eight digits

Description: The access_mask element is a 32-bit set of flags that are used to encode the user rights to an entity. An access mask is used both to encode the rights to an entity assigned to a security principal and to encode the requested access when opening an entity. This element MUST exist for all ACEs. A bit set to 1 specifies that the allowed or denied right is granted. The unused lower bits MUST be ignored. The lower 16 bits are as follows.

MSB

LSB

15

14

13

12

11

10

9

8

7

6

5

4

3

2

1

0

V

DOI

WOP

WA

RA

E

WP

RP

AM

WB

RB

Value

Meaning

RB

Read body

WB

Write body

AM

Append message

RP

Read property

WP

Write property

E

Execute

RA

Read attributes

WA

Write attributes

WOP

Write own property

DOI

Delete own item

V

View item

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