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OPA is a general-purpose PDP implementation which can be used for any scenario where a policy decision is required, much like PDP implementations that support the XACML specification. OPA's policy definition language is (Rego), which is a JSON-based, Turing-incomplete language based on Datalog.
XACML, the eXtensible Access Control Markup Language, uses XML as its main encoding language. Writing XACML policies directly in XACML leads to bloated, human-unfriendly text, [3] therefore a new, more lightweight, notation was necessary. Axiomatics researcher, Pablo Giambiagi, therefore designed ALFA, the Axiomatics Language for Authorization.
XACML, the eXtensible Access Control Markup Language, defines an architecture (shared with ALFA and NGAC), a policy language, and a request/response scheme. It does not handle attribute management (user attribute assignment, object attribute assignment, environment attribute assignment) which is left to traditional IAM tools, databases, and ...
SAML 2, OpenID, OAuth, XACML, LDAP v3, JM Cloud Federation Service [19] Radiant Logic: Commercial SAML 2.0, WS-Federation, OAuth 2.0, OpenID Cloudseal [20] Cloudseal: SaaS Cognito [21] Amazon: Commercial SAML 2.0 Comfact IDP [22] Comfact: Commercial Signicat [23] Signicat: Commercial Corto project home: GÉANT: OSS DACS [24] Safran Identity ...
HERAS AF is a well established open-source XACML 2.0 implementation. It provides an extended implementation of the XACML [ 1 ] 2.0 standard. It is freely available, established and based on future driven technologies and standards.
The Office of Price Administration (OPA) was established within the Office for Emergency Management of the United States government by Executive Order 8875 on August 28, 1941. The functions of the OPA were originally to control money ( price controls ) and rents after the outbreak of World War II .
XACML: eXtensible Access Control Markup Language; XBEL : the XML Bookmark Exchange Language. XBL: used to declare the behavior and look of 'XUL'-widgets and XML elements; XBRL: an open data standard for financial reporting. xCBL: a collection of XML specifications for use in e-business. xCal: the XML-compliant representation of the iCalendar ...
It converts it into an authorization request (typically in XACML) which it sends to a Policy Decision Point (PDP). The Policy Decision Point is configured with policies that implement dynamic access control that can use any number of user, resource, action, and context attributes to define which access is allowed or denied. Policies can be about: