ITU H.233:2002
ITU H.233:2002 Confidentiality System For Audiovisual Services Confirms the confidentiality part of a privacy system suitable for use in narrow-band audiovisual services.
Table of Contents
1Scope2Normativereferences
3Abbreviations
4Propertiesofthesystemspecified
4.1Confidentiality
4.2Algorithmspecification
5Theconfidentialitymechanism
5.1Descriptionofoperation
5.1.1ControlsandindicationwithintheH.221frame
5.1.2Messageformats
5.1.3UnencipheredECSchannel
5.2Transmissionencryptionmethod
5.3Procedureforuseofthesystem
6EncryptionofMLPchannel
AnnexAEncryptionalgorithmsandtheirparameters
A.1Scope
A.2NormativeReferences
A.3FEAL
A.4DES
A.5IDEA
A.6TDEA
A.7AES
AppendixIEncryptionanddecryptionfor2*Bchannels
AppendixIIAudiovisualprivacycommunicationprocedure