Table of Contents

 1     Scope          
 2     References
 3     Terms and definitions            
 4     Abbreviations and acronyms
 5     Conventions             
 6     System overview     
        6.1     Encryption security profile        
 7     ITU-T H.245 signalling and procedures            
        7.1     Secure ITU-T H.245 channel operation 
        7.2     Unsecured ITU-T H.245 channel operation         
        7.3     Capability exchange    
        7.4     Master role    
        7.5     Logical channel signalling         
        7.6     Fast connect security  
        7.7     Encrypted ITU-T H.245 DTMF  
        7.8     Diffie-Hellman operation          
 8     Signalling and procedures    
        8.1     Revision 1 compatibility            
        8.2     Version 3 feature indication     
        8.3     Key transport 
        8.4     Enhanced OFB mode   
        8.5     Key management         
        8.6     Key update and synchronization             
        8.7     Non-terminal interactions        
        8.8     Multipoint procedures
 9     Media stream encryption procedures              
        9.1     Media session keys      
        9.2     Media anti-spamming 
        9.3     RTP/RTCP issues          
        9.4     Triple-DES in outer CBC mode 
        9.5     DES algorithm operating in EOFB mode
        9.6     Triple-DES in outer EOFB mode              
10     Lawful interception              
11     List of object identifiers       
Appendix I – ITU-T H.323 implementation details    
        I.1     Ciphertext padding methods     
        I.2     New keys         
Bibliography