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# Features

## PDP (Policy Decision Point)
### XACML Standard Compliance
AuthzForce Server implements the OASIS XACML 3.0 core specification and various XACML 3.0 profiles.

#### XACML Core Specification 
AuthzForce Server supports all mandatory and several optional features of [OASIS XACML v3.0 core specification](http://docs.oasis-open.org/xacml/3.0/xacml-3.0-core-spec-os-en.html).

AuthzForce support status for each conformance table of the [XACML Conformance section](http://docs.oasis-open.org/xacml/3.0/xacml-3.0-core-spec-os-en.html#_Toc325047226) is detailed in the next sections.

The following markers apply:
- M: the features is mandatory in the standard;
- 0: the feature optional in the standard;
- Y: the feature is supported by AuthzForce Server;
- N: the features is not supported by AuthzForce Server.

##### Schema elements 

| Element name                        | M/O |Supported|
|-------------------------------------|-----|---------|
| xacml:Advice                        | M   | Y       |
| xacml:AdviceExpression              | M   | Y       |
| xacml:AdviceExpressions             | M   | Y       |
| xacml:AllOf                         | M   | Y       |
| xacml:AnyOf                         | M   | Y       |
| xacml:Apply                         | M   | Y       |
| xacml:AssociatedAdvice              | M   | Y       |
| xacml:Attribute                     | M   | Y       |
| xacml:AttributeAssignment           | M   | Y       |
| xacml:AttributeAssignmentExpression | M   | Y       |
| xacml:AttributeDesignator           | M   | Y       |
| xacml:Attributes                    | M   | Y       |
| xacml:AttributeSelector             | O   | Y       |
| xacml:AttributesReference           | O   | N       |
| xacml:AttributeValue                | M   | Y       |
| xacml:CombinerParameter             | O   | Y       |
| xacml:CombinerParameters            | O   | Y       |
| xacml:Condition                     | M   | Y       |
| xacml:Content                       | O   | Y       |
| xacml:Decision                      | M   | Y       |
| xacml:Description                   | M   | Y       |
| xacml:Expression                    | M   | Y       |
| xacml:Function                      | M   | Y       |
| xacml:Match                         | M   | Y       |
| xacml:MissingAttributeDetail        | M   | Y       |
| xacml:MultiRequests                 | O   | N       |
| xacml:Obligation                    | M   | Y       |
| xacml:ObligationExpression          | M   | Y       |
| xacml:ObligationExpressions         | M   | Y       |
| xacml:Obligations                   | M   | Y       |
| xacml:Policy                        | M   | Y       |
| xacml:PolicyCombinerParameters      | O   | Y       |
| xacml:PolicyDefaults                | O   | Y       |
| xacml:PolicyIdentifierList          | O   | Y       |
| xacml:PolicyIdReference             | M   | Y       |
| xacml:PolicyIssuer                  | O   | Y       |
| xacml:PolicySet                     | M   | Y       |
| xacml:PolicySetDefaults             | O   | Y       |
| xacml:PolicySetIdReference          | M   | Y       |
| xacml:Request                       | M   | Y       |
| xacml:RequestDefaults               | O   | Y       |
| xacml:RequestReference              | O   | N       |
| xacml:Response                      | M   | Y       |
| xacml:Result                        | M   | Y       |
| xacml:Rule                          | M   | Y       |
| xacml:RuleCombinerParameters        | O   | Y       |
| xacml:Status                        | M   | Y       |
| xacml:StatusCode                    | M   | Y       |
| xacml:StatusDetail                  | O   | Y       |
| xacml:StatusMessage                 | O   | Y       |
| xacml:Target                        | M   | Y       |
| xacml:VariableDefinition            | M   | Y       |
| xacml:VariableReference             | M   | Y       |
| xacml:XPathVersion                  | O   | Y       |

##### Algorithms

| Identifier | M/O | Supported |
|--------------------------------------------------------------------------------|---|---------|
|urn:oasis:names:tc:xacml:3.0:rule-combining-algorithm:deny-overrides|M|Y|
|urn:oasis:names:tc:xacml:3.0:policy-combining-algorithm:deny-overrides|M|Y|
|urn:oasis:names:tc:xacml:3.0:rule-combining-algorithm:permit-overrides|M|Y|
|urn:oasis:names:tc:xacml:3.0:policy-combining-algorithm:permit-overrides|M|Y|
|urn:oasis:names:tc:xacml:1.0:rule-combining-algorithm:first-applicable|M|Y|
|urn:oasis:names:tc:xacml:1.0:policy-combining-algorithm:first-applicable|M|Y|
|urn:oasis:names:tc:xacml:1.0:policy-combining-algorithm:only-one-applicable|M|Y|
|urn:oasis:names:tc:xacml:3.0:rule-combining-algorithm:ordered-deny-overrides|M|Y|
|urn:oasis:names:tc:xacml:3.0:policy-combining-algorithm:ordered-deny-overrides|M|Y|
|urn:oasis:names:tc:xacml:3.0:rule-combining-algorithm:ordered-permit-overrides|M|Y|
|urn:oasis:names:tc:xacml:3.0:policy-combining-algorithm:ordered-permit-overrides|M|Y|
|urn:oasis:names:tc:xacml:3.0:rule-combining-algorithm:deny-unless-permit|M|Y|
|urn:oasis:names:tc:xacml:3.0:policy-combining-algorithm:deny-unless-permit|M|Y|
|urn:oasis:names:tc:xacml:3.0:rule-combining-algorithm:permit-unless-deny|M|Y|
|urn:oasis:names:tc:xacml:3.0:policy-combining-algorithm:permit-unless-deny|M|Y|

Note that the [algorithms planned for future deprecation](http://docs.oasis-open.org/xacml/3.0/xacml-3.0-core-spec-os-en.html#_Toc325047257) are no longer supported.

##### Status Codes

|Status code|M/O|Supported|
|-|-|-|
|urn:oasis:names:tc:xacml:1.0:status:missing-attribute|M|Y|
|urn:oasis:names:tc:xacml:1.0:status:ok|M|Y|
|urn:oasis:names:tc:xacml:1.0:status:processing-error|M|Y|
|urn:oasis:names:tc:xacml:1.0:status:syntax-error|M|Y|

##### Attributes

|Identifier|M/O|Supported|
|-|-|-|
|urn:oasis:names:tc:xacml:1.0:environment:current-time|M|Y|
|urn:oasis:names:tc:xacml:1.0:environment:current-date|M|Y|
|urn:oasis:names:tc:xacml:1.0:environment:current-dateTime|M|Y|

##### Data-types

|Identifier|M/O|Supported|
|-|-|-|
|http://www.w3.org/2001/XMLSchema#string|M|Y|
|http://www.w3.org/2001/XMLSchema#boolean|M|Y|
|http://www.w3.org/2001/XMLSchema#integer|M|Y|
|http://www.w3.org/2001/XMLSchema#double|M|Y|
|http://www.w3.org/2001/XMLSchema#time|M|Y|
|http://www.w3.org/2001/XMLSchema#date|M|Y|
|http://www.w3.org/2001/XMLSchema#dateTime|M|Y|
|http://www.w3.org/2001/XMLSchema#dayTimeDuration|M|Y|
|http://www.w3.org/2001/XMLSchema#yearMonthDuration|M|Y|
|http://www.w3.org/2001/XMLSchema#anyURI|M|Y|
|http://www.w3.org/2001/XMLSchema#hexBinary|M|Y|
|http://www.w3.org/2001/XMLSchema#base64Binary|M|Y|
|urn:oasis:names:tc:xacml:1.0:data-type:rfc822Name|M|Y|
|urn:oasis:names:tc:xacml:1.0:data-type:x500Name|M|Y|
|urn:oasis:names:tc:xacml:3.0:data-type:xpathExpression|O|Y|
|urn:oasis:names:tc:xacml:2.0:data-type:ipAddress|M|Y|
|urn:oasis:names:tc:xacml:2.0:data-type:dnsName|M|Y|

##### Functions

| Identifier | M/O | Supported |
|----------------------------------------------------------------------------|---|---------|
|urn:oasis:names:tc:xacml:1.0:function:string-equal|M|Y|
|urn:oasis:names:tc:xacml:1.0:function:boolean-equal|M|Y|
|urn:oasis:names:tc:xacml:1.0:function:integer-equal|M|Y|
|urn:oasis:names:tc:xacml:1.0:function:double-equal|M|Y|
|urn:oasis:names:tc:xacml:1.0:function:date-equal|M|Y|
|urn:oasis:names:tc:xacml:1.0:function:time-equal|M|Y|
|urn:oasis:names:tc:xacml:1.0:function:dateTime-equal|M|Y|
|urn:oasis:names:tc:xacml:3.0:function:dayTimeDuration-equal|M|Y|
|urn:oasis:names:tc:xacml:3.0:function:yearMonthDuration-equal|M|Y|
|urn:oasis:names:tc:xacml:3.0:function:string-equal-ignore-case|M|Y|
|urn:oasis:names:tc:xacml:1.0:function:anyURI-equal|M|Y|
|urn:oasis:names:tc:xacml:1.0:function:x500Name-equal|M|Y|
|urn:oasis:names:tc:xacml:1.0:function:rfc822Name-equal|M|Y|
|urn:oasis:names:tc:xacml:1.0:function:hexBinary-equal|M|Y|
|urn:oasis:names:tc:xacml:1.0:function:base64Binary-equal|M|Y|
|urn:oasis:names:tc:xacml:1.0:function:integer-add|M|Y|
|urn:oasis:names:tc:xacml:1.0:function:double-add|M|Y|
|urn:oasis:names:tc:xacml:1.0:function:integer-subtract|M|Y|
|urn:oasis:names:tc:xacml:1.0:function:double-subtract|M|Y|
|urn:oasis:names:tc:xacml:1.0:function:integer-multiply|M|Y|
|urn:oasis:names:tc:xacml:1.0:function:double-multiply|M|Y|
|urn:oasis:names:tc:xacml:1.0:function:integer-divide|M|Y|
|urn:oasis:names:tc:xacml:1.0:function:double-divide|M|Y|
|urn:oasis:names:tc:xacml:1.0:function:integer-mod|M|Y|
|urn:oasis:names:tc:xacml:1.0:function:integer-abs|M|Y|
|urn:oasis:names:tc:xacml:1.0:function:double-abs|M|Y|
|urn:oasis:names:tc:xacml:1.0:function:round|M|Y|
|urn:oasis:names:tc:xacml:1.0:function:floor|M|Y|
|urn:oasis:names:tc:xacml:1.0:function:string-normalize-space|M|Y|
|urn:oasis:names:tc:xacml:1.0:function:string-normalize-to-lower-case|M|Y|
|urn:oasis:names:tc:xacml:1.0:function:double-to-integer|M|Y|
|urn:oasis:names:tc:xacml:1.0:function:integer-to-double|M|Y|
|urn:oasis:names:tc:xacml:1.0:function:or|M|Y|
|urn:oasis:names:tc:xacml:1.0:function:and|M|Y|
|urn:oasis:names:tc:xacml:1.0:function:n-of|M|Y|
|urn:oasis:names:tc:xacml:1.0:function:not|M|Y|
|urn:oasis:names:tc:xacml:1.0:function:integer-greater-than|M|Y|
|urn:oasis:names:tc:xacml:1.0:function:integer-greater-than-or-equal|M|Y|
|urn:oasis:names:tc:xacml:1.0:function:integer-less-than|M|Y|
|urn:oasis:names:tc:xacml:1.0:function:integer-less-than-or-equal|M|Y|
|urn:oasis:names:tc:xacml:1.0:function:double-greater-than|M|Y|
|urn:oasis:names:tc:xacml:1.0:function:double-greater-than-or-equal|M|Y|
|urn:oasis:names:tc:xacml:1.0:function:double-less-than|M|Y|
|urn:oasis:names:tc:xacml:1.0:function:double-less-than-or-equal|M|Y|
|urn:oasis:names:tc:xacml:3.0:function:dateTime-add-dayTimeDuration|M|Y|
|urn:oasis:names:tc:xacml:3.0:function:dateTime-add-yearMonthDuration|M|Y|
|urn:oasis:names:tc:xacml:3.0:function:dateTime-subtract-dayTimeDuration|M|Y|
|urn:oasis:names:tc:xacml:3.0:function:dateTime-subtract-yearMonthDuration|M|Y|
|urn:oasis:names:tc:xacml:3.0:function:date-add-yearMonthDuration|M|Y|
|urn:oasis:names:tc:xacml:3.0:function:date-subtract-yearMonthDuration|M|Y|
|urn:oasis:names:tc:xacml:1.0:function:string-greater-than|M|Y|
|urn:oasis:names:tc:xacml:1.0:function:string-greater-than-or-equal|M|Y|
|urn:oasis:names:tc:xacml:1.0:function:string-less-than|M|Y|
|urn:oasis:names:tc:xacml:1.0:function:string-less-than-or-equal|M|Y|
|urn:oasis:names:tc:xacml:1.0:function:time-greater-than|M|Y|
|urn:oasis:names:tc:xacml:1.0:function:time-greater-than-or-equal|M|Y|
|urn:oasis:names:tc:xacml:1.0:function:time-less-than|M|Y|
|urn:oasis:names:tc:xacml:1.0:function:time-less-than-or-equal|M|Y|
|urn:oasis:names:tc:xacml:2.0:function:time-in-range|M|Y|
|urn:oasis:names:tc:xacml:1.0:function:dateTime-greater-than|M|Y|
|urn:oasis:names:tc:xacml:1.0:function:dateTime-greater-than-or-equal|M|Y|
|urn:oasis:names:tc:xacml:1.0:function:dateTime-less-than|M|Y|
|urn:oasis:names:tc:xacml:1.0:function:dateTime-less-than-or-equal|M|Y|
|urn:oasis:names:tc:xacml:1.0:function:date-greater-than|M|Y|
|urn:oasis:names:tc:xacml:1.0:function:date-greater-than-or-equal|M|Y|
|urn:oasis:names:tc:xacml:1.0:function:date-less-than|M|Y|
|urn:oasis:names:tc:xacml:1.0:function:date-less-than-or-equal|M|Y|
|urn:oasis:names:tc:xacml:1.0:function:string-one-and-only|M|Y|
|urn:oasis:names:tc:xacml:1.0:function:string-bag-size|M|Y|
|urn:oasis:names:tc:xacml:1.0:function:string-is-in|M|Y|
|urn:oasis:names:tc:xacml:1.0:function:string-bag|M|Y|
|urn:oasis:names:tc:xacml:1.0:function:boolean-one-and-only|M|Y|
|urn:oasis:names:tc:xacml:1.0:function:boolean-bag-size|M|Y|
|urn:oasis:names:tc:xacml:1.0:function:boolean-is-in|M|Y|
|urn:oasis:names:tc:xacml:1.0:function:boolean-bag|M|Y|
|urn:oasis:names:tc:xacml:1.0:function:integer-one-and-only|M|Y|
|urn:oasis:names:tc:xacml:1.0:function:integer-bag-size|M|Y|
|urn:oasis:names:tc:xacml:1.0:function:integer-is-in|M|Y|
|urn:oasis:names:tc:xacml:1.0:function:integer-bag|M|Y|
|urn:oasis:names:tc:xacml:1.0:function:double-one-and-only|M|Y|
|urn:oasis:names:tc:xacml:1.0:function:double-bag-size|M|Y|
|urn:oasis:names:tc:xacml:1.0:function:double-is-in|M|Y|
|urn:oasis:names:tc:xacml:1.0:function:double-bag|M|Y|
|urn:oasis:names:tc:xacml:1.0:function:time-one-and-only|M|Y|
|urn:oasis:names:tc:xacml:1.0:function:time-bag-size|M|Y|
|urn:oasis:names:tc:xacml:1.0:function:time-is-in|M|Y|
|urn:oasis:names:tc:xacml:1.0:function:time-bag|M|Y|
|urn:oasis:names:tc:xacml:1.0:function:date-one-and-only|M|Y|
|urn:oasis:names:tc:xacml:1.0:function:date-bag-size|M|Y|
|urn:oasis:names:tc:xacml:1.0:function:date-is-in|M|Y|
|urn:oasis:names:tc:xacml:1.0:function:date-bag|M|Y|
|urn:oasis:names:tc:xacml:1.0:function:dateTime-one-and-only|M|Y|
|urn:oasis:names:tc:xacml:1.0:function:dateTime-bag-size|M|Y|
|urn:oasis:names:tc:xacml:1.0:function:dateTime-is-in|M|Y|
|urn:oasis:names:tc:xacml:1.0:function:dateTime-bag|M|Y|
|urn:oasis:names:tc:xacml:1.0:function:anyURI-one-and-only|M|Y|
|urn:oasis:names:tc:xacml:1.0:function:anyURI-bag-size|M|Y|
|urn:oasis:names:tc:xacml:1.0:function:anyURI-is-in|M|Y|
|urn:oasis:names:tc:xacml:1.0:function:anyURI-bag|M|Y|
|urn:oasis:names:tc:xacml:1.0:function:hexBinary-one-and-only|M|Y|
|urn:oasis:names:tc:xacml:1.0:function:hexBinary-bag-size|M|Y|
|urn:oasis:names:tc:xacml:1.0:function:hexBinary-is-in|M|Y|
|urn:oasis:names:tc:xacml:1.0:function:hexBinary-bag|M|Y|
|urn:oasis:names:tc:xacml:1.0:function:base64Binary-one-and-only|M|Y|
|urn:oasis:names:tc:xacml:1.0:function:base64Binary-bag-size|M|Y|
|urn:oasis:names:tc:xacml:1.0:function:base64Binary-is-in|M|Y|
|urn:oasis:names:tc:xacml:1.0:function:base64Binary-bag|M|Y|
|urn:oasis:names:tc:xacml:3.0:function:dayTimeDuration-one-and-only|M|Y|
|urn:oasis:names:tc:xacml:3.0:function:dayTimeDuration-bag-size|M|Y|
|urn:oasis:names:tc:xacml:3.0:function:dayTimeDuration-is-in|M|Y|
|urn:oasis:names:tc:xacml:3.0:function:dayTimeDuration-bag|M|Y|
|urn:oasis:names:tc:xacml:3.0:function:yearMonthDuration-one-and-only|M|Y|
|urn:oasis:names:tc:xacml:3.0:function:yearMonthDuration-bag-size|M|Y|
|urn:oasis:names:tc:xacml:3.0:function:yearMonthDuration-is-in|M|Y|
|urn:oasis:names:tc:xacml:3.0:function:yearMonthDuration-bag|M|Y|
|urn:oasis:names:tc:xacml:1.0:function:x500Name-one-and-only|M|Y|
|urn:oasis:names:tc:xacml:1.0:function:x500Name-bag-size|M|Y|
|urn:oasis:names:tc:xacml:1.0:function:x500Name-is-in|M|Y|
|urn:oasis:names:tc:xacml:1.0:function:x500Name-bag|M|Y|
|urn:oasis:names:tc:xacml:1.0:function:rfc822Name-one-and-only|M|Y|
|urn:oasis:names:tc:xacml:1.0:function:rfc822Name-bag-size|M|Y|
|urn:oasis:names:tc:xacml:1.0:function:rfc822Name-is-in|M|Y|
|urn:oasis:names:tc:xacml:1.0:function:rfc822Name-bag|M|Y|
|urn:oasis:names:tc:xacml:2.0:function:ipAddress-one-and-only|M|Y|
|urn:oasis:names:tc:xacml:2.0:function:ipAddress-bag-size|M|Y|
|urn:oasis:names:tc:xacml:2.0:function:ipAddress-bag|M|Y|
|urn:oasis:names:tc:xacml:2.0:function:dnsName-one-and-only|M|Y|
|urn:oasis:names:tc:xacml:2.0:function:dnsName-bag-size|M|Y|
|urn:oasis:names:tc:xacml:2.0:function:dnsName-bag|M|Y|
|urn:oasis:names:tc:xacml:2.0:function:string-concatenate|M|Y|
|urn:oasis:names:tc:xacml:3.0:function:boolean-from-string|M|Y|
|urn:oasis:names:tc:xacml:3.0:function:string-from-boolean|M|Y|
|urn:oasis:names:tc:xacml:3.0:function:integer-from-string|M|Y|
|urn:oasis:names:tc:xacml:3.0:function:string-from-integer|M|Y|
|urn:oasis:names:tc:xacml:3.0:function:double-from-string|M|Y|
|urn:oasis:names:tc:xacml:3.0:function:string-from-double|M|Y|
|urn:oasis:names:tc:xacml:3.0:function:time-from-string|M|Y|
|urn:oasis:names:tc:xacml:3.0:function:string-from-time|M|Y|
|urn:oasis:names:tc:xacml:3.0:function:date-from-string|M|Y|
|urn:oasis:names:tc:xacml:3.0:function:string-from-date|M|Y|
|urn:oasis:names:tc:xacml:3.0:function:dateTime-from-string|M|Y|
|urn:oasis:names:tc:xacml:3.0:function:string-from-dateTime|M|Y|
|urn:oasis:names:tc:xacml:3.0:function:anyURI-from-string|M|Y|
|urn:oasis:names:tc:xacml:3.0:function:string-from-anyURI|M|Y|
|urn:oasis:names:tc:xacml:3.0:function:dayTimeDuration-from-string|M|Y|
|urn:oasis:names:tc:xacml:3.0:function:string-from-dayTimeDuration|M|Y|
|urn:oasis:names:tc:xacml:3.0:function:yearMonthDuration-from-string|M|Y|
|urn:oasis:names:tc:xacml:3.0:function:string-from-yearMonthDuration|M|Y|
|urn:oasis:names:tc:xacml:3.0:function:x500Name-from-string|M|Y|
|urn:oasis:names:tc:xacml:3.0:function:string-from-x500Name|M|Y|
|urn:oasis:names:tc:xacml:3.0:function:rfc822Name-from-string|M|Y|
|urn:oasis:names:tc:xacml:3.0:function:string-from-rfc822Name|M|Y|
|urn:oasis:names:tc:xacml:3.0:function:ipAddress-from-string|M|Y|
|urn:oasis:names:tc:xacml:3.0:function:string-from-ipAddress|M|Y|
|urn:oasis:names:tc:xacml:3.0:function:dnsName-from-string|M|Y|
|urn:oasis:names:tc:xacml:3.0:function:string-from-dnsName|M|Y|
|urn:oasis:names:tc:xacml:3.0:function:string-starts-with|M|Y|
|urn:oasis:names:tc:xacml:3.0:function:anyURI-starts-with|M|Y|
|urn:oasis:names:tc:xacml:3.0:function:string-ends-with|M|Y|
|urn:oasis:names:tc:xacml:3.0:function:anyURI-ends-with|M|Y|
|urn:oasis:names:tc:xacml:3.0:function:string-contains|M|Y|
|urn:oasis:names:tc:xacml:3.0:function:anyURI-contains|M|Y|
|urn:oasis:names:tc:xacml:3.0:function:string-substring|M|Y|
|urn:oasis:names:tc:xacml:3.0:function:anyURI-substring|M|Y|
|urn:oasis:names:tc:xacml:3.0:function:any-of|M|Y|
|urn:oasis:names:tc:xacml:3.0:function:all-of|M|Y|
|urn:oasis:names:tc:xacml:3.0:function:any-of-any|M|Y|
|urn:oasis:names:tc:xacml:1.0:function:all-of-any|M|Y|
|urn:oasis:names:tc:xacml:1.0:function:any-of-all|M|Y|
|urn:oasis:names:tc:xacml:1.0:function:all-of-all|M|Y|
|urn:oasis:names:tc:xacml:3.0:function:map|M|Y|
|urn:oasis:names:tc:xacml:1.0:function:x500Name-match|M|Y|
|urn:oasis:names:tc:xacml:1.0:function:rfc822Name-match|M|Y|
|urn:oasis:names:tc:xacml:1.0:function:string-regexp-match|M|Y|
|urn:oasis:names:tc:xacml:2.0:function:anyURI-regexp-match|M|Y|
|urn:oasis:names:tc:xacml:2.0:function:ipAddress-regexp-match|M|Y|
|urn:oasis:names:tc:xacml:2.0:function:dnsName-regexp-match|M|Y|
|urn:oasis:names:tc:xacml:2.0:function:rfc822Name-regexp-match|M|Y|
|urn:oasis:names:tc:xacml:2.0:function:x500Name-regexp-match|M|Y|
|urn:oasis:names:tc:xacml:3.0:function:xpath-node-count|O|Y|
|urn:oasis:names:tc:xacml:3.0:function:xpath-node-equal|O|N|
|urn:oasis:names:tc:xacml:3.0:function:xpath-node-match|O|N|
|urn:oasis:names:tc:xacml:1.0:function:string-intersection|M|Y|
|urn:oasis:names:tc:xacml:1.0:function:string-at-least-one-member-of|M|Y|
|urn:oasis:names:tc:xacml:1.0:function:string-union|M|Y|
|urn:oasis:names:tc:xacml:1.0:function:string-subset|M|Y|
|urn:oasis:names:tc:xacml:1.0:function:string-set-equals|M|Y|
|urn:oasis:names:tc:xacml:1.0:function:boolean-intersection|M|Y|
|urn:oasis:names:tc:xacml:1.0:function:boolean-at-least-one-member-of|M|Y|
|urn:oasis:names:tc:xacml:1.0:function:boolean-union|M|Y|
|urn:oasis:names:tc:xacml:1.0:function:boolean-subset|M|Y|
|urn:oasis:names:tc:xacml:1.0:function:boolean-set-equals|M|Y|
|urn:oasis:names:tc:xacml:1.0:function:integer-intersection|M|Y|
|urn:oasis:names:tc:xacml:1.0:function:integer-at-least-one-member-of|M|Y|
|urn:oasis:names:tc:xacml:1.0:function:integer-union|M|Y|
|urn:oasis:names:tc:xacml:1.0:function:integer-subset|M|Y|
|urn:oasis:names:tc:xacml:1.0:function:integer-set-equals|M|Y|
|urn:oasis:names:tc:xacml:1.0:function:double-intersection|M|Y|
|urn:oasis:names:tc:xacml:1.0:function:double-at-least-one-member-of|M|Y|
|urn:oasis:names:tc:xacml:1.0:function:double-union|M|Y|
|urn:oasis:names:tc:xacml:1.0:function:double-subset|M|Y|
|urn:oasis:names:tc:xacml:1.0:function:double-set-equals|M|Y|
|urn:oasis:names:tc:xacml:1.0:function:time-intersection|M|Y|
|urn:oasis:names:tc:xacml:1.0:function:time-at-least-one-member-of|M|Y|
|urn:oasis:names:tc:xacml:1.0:function:time-union|M|Y|
|urn:oasis:names:tc:xacml:1.0:function:time-subset|M|Y|
|urn:oasis:names:tc:xacml:1.0:function:time-set-equals|M|Y|
|urn:oasis:names:tc:xacml:1.0:function:date-intersection|M|Y|
|urn:oasis:names:tc:xacml:1.0:function:date-at-least-one-member-of|M|Y|
|urn:oasis:names:tc:xacml:1.0:function:date-union|M|Y|
|urn:oasis:names:tc:xacml:1.0:function:date-subset|M|Y|
|urn:oasis:names:tc:xacml:1.0:function:date-set-equals|M|Y|
|urn:oasis:names:tc:xacml:1.0:function:dateTime-intersection|M|Y|
|urn:oasis:names:tc:xacml:1.0:function:dateTime-at-least-one-member-of|M|Y|
|urn:oasis:names:tc:xacml:1.0:function:dateTime-union|M|Y|
|urn:oasis:names:tc:xacml:1.0:function:dateTime-subset|M|Y|
|urn:oasis:names:tc:xacml:1.0:function:dateTime-set-equals|M|Y|
|urn:oasis:names:tc:xacml:1.0:function:anyURI-intersection|M|Y|
|urn:oasis:names:tc:xacml:1.0:function:anyURI-at-least-one-member-of|M|Y|
|urn:oasis:names:tc:xacml:1.0:function:anyURI-union|M|Y|
|urn:oasis:names:tc:xacml:1.0:function:anyURI-subset|M|Y|
|urn:oasis:names:tc:xacml:1.0:function:anyURI-set-equals|M|Y|
|urn:oasis:names:tc:xacml:1.0:function:hexBinary-intersection|M|Y|
|urn:oasis:names:tc:xacml:1.0:function:hexBinary-at-least-one-member-of|M|Y|
|urn:oasis:names:tc:xacml:1.0:function:hexBinary-union|M|Y|
|urn:oasis:names:tc:xacml:1.0:function:hexBinary-subset|M|Y|
|urn:oasis:names:tc:xacml:1.0:function:hexBinary-set-equals|M|Y|
|urn:oasis:names:tc:xacml:1.0:function:base64Binary-intersection|M|Y|
|urn:oasis:names:tc:xacml:1.0:function:base64Binary-at-least-one-member-of|M|Y|
|urn:oasis:names:tc:xacml:1.0:function:base64Binary-union|M|Y|
|urn:oasis:names:tc:xacml:1.0:function:base64Binary-subset|M|Y|
|urn:oasis:names:tc:xacml:1.0:function:base64Binary-set-equals|M|Y|
|urn:oasis:names:tc:xacml:3.0:function:dayTimeDuration-intersection|M|Y|
|urn:oasis:names:tc:xacml:3.0:function:dayTimeDuration-at-least-one-member-of|M|Y|
|urn:oasis:names:tc:xacml:3.0:function:dayTimeDuration-union|M|Y|
|urn:oasis:names:tc:xacml:3.0:function:dayTimeDuration-subset|M|Y|
|urn:oasis:names:tc:xacml:3.0:function:dayTimeDuration-set-equals|M|Y|
|urn:oasis:names:tc:xacml:3.0:function:yearMonthDuration-intersection|M|Y|
|urn:oasis:names:tc:xacml:3.0:function:yearMonthDuration-at-least-one-member-of|M|Y|
|urn:oasis:names:tc:xacml:3.0:function:yearMonthDuration-union|M|Y|
|urn:oasis:names:tc:xacml:3.0:function:yearMonthDuration-subset|M|Y|
|urn:oasis:names:tc:xacml:3.0:function:yearMonthDuration-set-equals|M|Y|
|urn:oasis:names:tc:xacml:1.0:function:x500Name-intersection|M|Y|
|urn:oasis:names:tc:xacml:1.0:function:x500Name-at-least-one-member-of|M|Y|
|urn:oasis:names:tc:xacml:1.0:function:x500Name-union|M|Y|
|urn:oasis:names:tc:xacml:1.0:function:x500Name-subset|M|Y|
|urn:oasis:names:tc:xacml:1.0:function:x500Name-set-equals|M|Y|
|urn:oasis:names:tc:xacml:1.0:function:rfc822Name-intersection|M|Y|
|urn:oasis:names:tc:xacml:1.0:function:rfc822Name-at-least-one-member-of|M|Y|
|urn:oasis:names:tc:xacml:1.0:function:rfc822Name-union|M|Y|
|urn:oasis:names:tc:xacml:1.0:function:rfc822Name-subset|M|Y|
|urn:oasis:names:tc:xacml:1.0:function:rfc822Name-set-equals|M|Y|
|urn:oasis:names:tc:xacml:3.0:function:access-permitted|O|N|

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#### XACML JSON Profile
AuthzForce supports [XACML v3.0 - JSON Profile Version 1.0](http://docs.oasis-open.org/xacml/xacml-json-http/v1.0/xacml-json-http-v1.0.html), with extra security features:
-   JSON schema [Draft v6](https://tools.ietf.org/html/draft-wright-json-schema-01) validation;
-   DoS mitigation: JSON parser variant checking max JSON string size, max number of JSON keys/array items and max JSON object depth.

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#### XACML RBAC Profile
AuthzForce supports [XACML v3.0 Core and Hierarchical Role Based Access Control (RBAC) Profile Version 1.0](http://docs.oasis-open.org/xacml/3.0/rbac/v1.0/xacml-3.0-rbac-v1.0.html), except section [2.5 HasPrivilegesOfRole Policies and Requests](http://docs.oasis-open.org/xacml/3.0/rbac/v1.0/cs02/xacml-3.0-rbac-v1.0-cs02.html#_Toc396296374).

#### XACML Multiple Decision Profile
AuthzForce partially supports [XACML v3.0 Multiple Decision Profile Version 1.0](http://docs.oasis-open.org/xacml/3.0/multiple/v1.0/cs02/xacml-3.0-multiple-v1.0-cs02.html#_Toc388943334) , in particular section 2.3 Repeated Attribute Categories. 

Conformance table according to [section 7](http://docs.oasis-open.org/xacml/3.0/xacml-3.0-multiple-v1-spec-cd-03-en.html#_Toc260837896), with AuthzForce support status:

| Identifier | Supported |
|-----------------------------------------------------------------------------|-----------|
| urn:oasis:names:tc:xacml:3.0:profile:multiple:scope | N |
| urn:oasis:names:tc:xacml:3.0:profile:multiple:xpath-expression | N |
| urn:oasis:names:tc:xacml:3.0:profile:multiple:repeated-attribute-categories | Y |
| urn:oasis:names:tc:xacml:3.0:profile:multiple:reference | N |
| urn:oasis:names:tc:xacml:3.0:profile:multiple:combined-decision | Y (experimental) |

#### XACML Data Loss Prevention / Network Access Control Profile
AuthzForce provides experimental support for [XACML Data Loss Prevention / Network Access Control (DLP/NAC) Profile Version 1.0](http://docs.oasis-open.org/xacml/xacml-3.0-dlp-nac/v1.0/xacml-3.0-dlp-nac-v1.0.html).
Conformance table according to [section 5](http://docs.oasis-open.org/xacml/xacml-3.0-dlp-nac/v1.0/cs01/xacml-3.0-dlp-nac-v1.0-cs01.html#_Toc413165291), with AuthzForce support status:

| Identifier | M/O | Supported |
|-|-|-|
|urn:oasis:names:tc:xacml:3.0:data-type:ipAddress-value|M|N|
|urn:oasis:names:tc:xacml:3.0:data-type:ipAddress-pattern|M|N|
|urn:oasis:names:tc:xacml:3.0:function:ipAddress-match|M|N|
|urn:oasis:names:tc:xacml:3.0:function:ipAddress-endpoint-match|M|N|
|urn:oasis:names:tc:xacml:3.0:function:ipAddress-value-equal|M|N|
|urn:oasis:names:tc:xacml:3.0:data-type:dnsName-value|M|Y|
|urn:oasis:names:tc:xacml:3.0:data-type:dnsName-pattern|M|N|
|urn:oasis:names:tc:xacml:3.0:function:dnsName-match|M|N|
|urn:oasis:names:tc:xacml:3.0:function:dnsName-endpoint-match|M|N|
|urn:oasis:names:tc:xacml:3.0:function:dnsName-value-equal|M|Y|

#### XACML Additional Combining Algorithms Profile
AuthzForce provides experimental support for [XACML 3.0 Additional Combining Algorithms Profile Version 1.0](http://docs.oasis-open.org/xacml/xacml-3.0-combalgs/v1.0/xacml-3.0-combalgs-v1.0.html), i.e.  `on-permit-apply-second` policy combining algorithm.

### Safety & Security 

* Detection of circular XACML policy references (PolicySetIdReference); 
* Control of the **maximum XACML PolicySetIdReference depth**;
* Control of the **maximum XACML VariableReference depth**;

### Performance
* Optional **strict multivalued attribute parsing**: if enabled, multivalued attributes must be formed by grouping all `AttributeValue` elements in the same Attribute element (instead of duplicate Attribute elements); this does not fully comply with [XACML 3.0 Core specification of Multivalued attributes (§7.3.3)](http://docs.oasis-open.org/xacml/3.0/xacml-3.0-core-spec-os-en.html#_Toc325047176), but it usually performs better than the default mode since it simplifies the parsing of attribute values in the request;
* Optional **strict attribute Issuer matching**: if enabled, `AttributeDesignators` without Issuer only match request Attributes without Issuer (and same AttributeId, Category...); this option is not fully compliant with XACML 3.0, §5.29, in the case that the Issuer is indeed not present on a AttributeDesignator; but it is the recommended option when all AttributeDesignators have an Issuer (the XACML 3.0 specification (5.29) says: *If the Issuer is not present in the attribute designator, then the matching of the attribute to the named attribute SHALL be governed by AttributeId and DataType attributes alone.*);

### Extensibility Points
* **Attribute Datatypes**: you may extend the PDP engine with custom XACML attribute datatypes;
* **Functions**: you may extend the PDP engine with custom XACML functions;
* **Combining Algorithms**: you may extend the PDP engine with custom XACML policy/rule combining algorithms;
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* **Attribute Providers** aka PIPs (Policy Information Points): you may plug custom attribute providers into the PDP engine to allow it to retrieve attributes from other attribute sources (e.g. remote service) than the input XACML Request during evaluation; 
* **Request Preprocessor**: you may customize the processing of XACML Requests before evaluation by the PDP core engine (e.g. used for implementing [XACML v3.0 Multiple Decision Profile Version 1.0 - Repeated attribute categories](http://docs.oasis-open.org/xacml/3.0/multiple/v1.0/cs02/xacml-3.0-multiple-v1.0-cs02.html#_Toc388943334);
* **Result Postprocessor**: you may customize the processing of XACML Results after evaluation by the PDP engine (e.g. used for implementing [XACML v3.0 Multiple Decision Profile Version 1.0 - Requests for a combined decision](http://docs.oasis-open.org/xacml/3.0/xacml-3.0-multiple-v1-spec-cd-03-en.html#_Toc260837890);

### PIPs (Policy Information Points)

AuthzForce provides XACML PIP features in the form of _Attribute Providers_.
More information in the previous section.
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## PAP (Policy Administration Point)

* Policy management: create/read/update/delete multiple policies and references from one to another (via PolicySetIdReference)
* Policy versioning: create/read/delete multiple versions per policy.
* Configurable root policy ID/version: top-level policy enforced by the PDP may be any managed policy (if no version defined in configuration, the latest available is selected)
* Configurable maximum number of policies;
* Configurable maximum number of versions per policy.
* Optional policy version rolling (when the maximum of versions per policy has been reached, oldest versions are automatically removed to make place).

## REST API

* Defined in standard [Web Application Description Language and XML schema](https://github.com/authzforce/rest-api-model/tree/develop/src/main/resources) so that you can automatically generate client code. 
* Provides access to all PAP/PDP features mentioned in previous sections.
* Multi-tenant: allows to have multiple domains/tenants, each with its own PAP/PDP, in particular its own policy repository.
* Conformance with [REST Profile of XACML v3.0 Version 1.0](http://docs.oasis-open.org/xacml/xacml-rest/v1.0/xacml-rest-v1.0.html) 
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* Supported data formats, aka content types:
    - `application/xml`: XML based on API schema; 
    - `application/fastinfoset`: [Fast Infoset](http://www.itu.int/en/ITU-T/asn1/Pages/Fast-Infoset.aspx) based on API's XML schema; 
    - `application/json`: JSON based on API's XMLschema with a generic XML-to-JSON mapping convention 
    - `application/xacml+xml`: XACML content only, as defined by [RFC 7061](https://tools.ietf.org/html/rfc7061) 
    - `application/xacml+json`: JSON format for XACML Request/Response on PDP only, as defined by [XACML v3.0 - JSON Profile Version 1.0](http://docs.oasis-open.org/xacml/xacml-json-http/v1.0/xacml-json-http-v1.0.html)
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## High availability and load-balancing

484
* Integration with file synchronization tools (e.g. [csync2](http://oss.linbit.com/csync2/)) or distributed filesystems (e.g. NFS and CIFS) to build clusters of AuthzForce Servers.