hexBinarySetEquals Function Description
Description
This method returns true if both sets of attribute values of type hexBinary are equal. Technically, it uses the subset function on the first and second arguments ANDed with the subset function and the second and first argument. Note that duplicate values have no impact on the comparison. For instance, the following 2 sets are equal: [a,a,c,b] and [b,c,a,c].
hexBinarySetEquals belongs to the ALFA function reference's
Set functions category. It maps to the XACML function identifier
urn:oasis:names:tc:xacml:1.0:function:hexBinary-set-equals, takes 2 arguments and returns a value of type boolean.
| Property | Value |
|---|---|
| Category | Set functions |
| # Arguments | 2 |
| Arguments |
|
| Return Value | boolean |
| Expressed As | pre-fix |
| Representation | ALFA short name |
| Allowed In Target | false |
| ALFA Shorthand | None |
| Commutative | true |
Example
/**
* Permit if the set of values hexValue is in the set of allowedHexValues and if there are no more values
* in the allowedHexValues set.
*/
rule hexBinarySetEqualsExample{
permit
condition hexBinarySetEquals(hexValue, allowedHexValues)
}In this example, access is permitted if all the hex values are also all the allowed hex values, no more no less.
Related Functions
Other functions in the Set functions category: