CAN/CSA-ISO/IEC 11586-4-00 (R2013)

This National Standard of Canada is equivalent to International Standard ISO/IEC 11586-4:1996 (first edition, 1996-06-01). 1 Scope 1.1 This series of Recommendations / International Standards defines a set of generic facilities to assist in the provision of security services in OSI applications. These include: (a) a set of notational tools to support the specification of selective field protection requirements in an abstract syntax specification, and to support the specification of security exchange s and security transformations; (b) a service definition, protocol specification and PICS proforma for an application-service-element (ASE) to support the provision of security services within the Application Layer of OSI; (c) a specification and PICS proforma for a security transfer syntax, associated with Presentation Layer support for security services in the Application Layer. 1.2 This Recommendation / International Standard defines the prot ecting transfer syntax, associated with Presentation Layer support for security services in the Application Layer.