IT Security techniques. Key management - Mechanisms using symmetric techniques1 Scope This document defines key establishment mechanisms using symmetric cryptographic techniques. This document addresses three environments for the establishment of keys: Point to Point, Key Distribution Centre (KDC), and Key Translation Centre (KTC). It describes the required content of messages which carry keying material or are necessary to set up the conditions under which the keying material can be established. This document does not indicate

With BS EN 60335-2-2 you can be ensured that the products consistently meet and exceed quality assurance targets

equipment/system structure and user-system interface defined in IEC 61998

U-tube bends with two 90° bends) further qualifications will be provided

Construction professional bodies

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Scientific/technical staff

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As a user of BS EN 60598-2-21