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Á¦°³Á¤ÀÏ 2006-06-29 ÃÑÆäÀÌÁö 39
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¿µ¹®Ç¥Áظí Encryption key management and authentication system for audiovisual services
Çѱ۳»¿ë¿ä¾à ITU-T Ç¥ÁØ H.221 ÇÁ·¹ÀÓ ±¸Á¶¸¦ »ç¿ëÇÏ¿© ¾ÏȣȭµÇ¾î Àü¼ÛµÇ´Â ½Ãû°¢ ½ÅÈ£¿¡ Àû¿ëÇÒ ¼ö ÀÖ´Â ¼¼°¡Áö Å° °ü¸® ½Ã½ºÅÛ, ISO 8732, Diffie-Hellman °ú RSA¿¡ ´ëÇØ ¼³¸íÇÑ´Ù. °ü¸® ¸Þ½ÃÁö´Â H.233¿¡ Á¤ÀǵǾî ÀÖÀ¸¸ç, H.221 ECS(Encryption Control Signal) ä³Î³»¿¡ Æ÷ÇԵǾî Àü¼ÛµÈ´Ù.
¿µ¹®³»¿ë¿ä¾à This Recommendation describes three methods of encryption key management, namely: ISO 8732, Diffie-Hellman, RSA.
They are applicable to the encryption of audiovisual signals transmitted digitally using the H.221 frame structure. The management messages defined here are transmitted within the H.221 Encryption Control Signal (ECS) channel, whose structure and use are defined in ITU-T Rec. H.233.
±¹Á¦Ç¥ÁØ ITU-T H.234
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