Encrytion Key Management and Authentication System for Audiovisual Services Series H: Audiovisual and Multimedia Systems Infrastructure of Audiovisual Services - Systems Aspects Study Group 16
A privacy system consists of two parts, the confidentiality mechanism or encryption process for the data, and a key management subsystem. This Recommendation describes authentication and key management methods for a privacy system suitable for use in narrow-band audiovisual services conforming to ITU-T Recs H.221, H.230 and H.242. The confidentiality specification is independent, and is contained in the separate ITU-T Rec. H.233.