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DHX ®œ•Œ™Ãª{√“º“≤’ 1.0 §§§Â™©Ω–•˝æ\≈™ §∫Æe ¬≤§∂ ∞ı¶Ê DHX UAM 1.0 §ß®t≤Œª›®D ¶w∏À DHX UAM 1.0 ®œ•Œ DHX UAM 1.0 ©“®œ•Œ™∫∫t∫‚™k §w™æ™∫§£¨€Æe© §Œ≠≠®Ó ¬≤§∂ DHX°]Diffie-Hellman Exchange°^UAM ¥£®—¨€√ˆ™∫´O±K§Ë¶°°A∂«∞eج§Â¶r§∫Æe™∫±KΩX¶‹¶¯™Aæπ§W°A•H®—∂i§@®B™∫≥B≤z°A≥öh•iπF 64 ≠”¶r§∏°C ∞ı¶Ê DHX UAM 1.0 §ß®t≤Œª›®D • AppleShare •Œ§·∫›°G3.8.1 ©Œ•H§W™©•ª ¶w∏À DHX UAM 1.0 UAM •≤∂∑≠n©Ò∏m©Û°ßAppleShare ¿…Æ◊ß®°®∏ðA¶”°ßAppleShare ¿…Æ◊ß®°®´h¨O¶Ï©Û≤{¶≥™∫°ß®t≤Œ¿…Æ◊ß®°®™∫°ß©µ¶˘•\؇°®¿…Æ◊ß®∏ðC§∂∑≠´∑s∂}昰A¶˝¶b UAM ؇∞˜∞ı¶Ê§ß´e°A•≤∂∑•˝√ˆ≥¨µM´·≠´∑s∂}±“°ßøÔæ‹∂g√‰°®©M°ß∫Ù∏Ù¬sƒ˝æπ°®°C ®œ•Œ DHX UAM 1.0 ≠Y©“≥s±µ™∫¶¯™Aæπ§‰¥© DHX UAM°A°ßAppleShare •Œ§·∫›°®∑|•X≤{§@≠”πÔ∏‹Æÿ•H®—øÔæ‹°ß•[±K±KΩX°®°A∞µ¨∞µn§JÆ…®œ•Œ™∫¨[∫c°CøÔæ‹≥o≠” UAM øÔ∂µ°A®√π≥¶bº–∑«™∫°ßAppleShare°®µn§JπÔ∏‹Æÿ∏ç@ºÀ™∫øÈ§J±KΩX©M®œ•Œ™Ã¶W∫Ÿ°C ©“®œ•Œ™∫∫t∫‚™k ±KΩX≈„•‹™≈•’πF 64 ¶Ï§∏ ®œ•Œ™Ã¶W∫Ÿ¨∞ pstring°A≈„•‹¬˘ºΔ¶Ï§∏™∫™¯´◊°]≥ÊºΔ¶r•¿°^ ServerSig •—¶¯™Aæπ©“¶^¬–™∫ AFPSrvrInfo ¿Ú±o°C •—•Œ§·∫›¶‹¶¯™Aæπ™∫≤ƒ§@≠”∞TÆß°G | login (2 bytes) | AFP Vers | UAMName "DHCAST128" | Username (padded) | Ma (16 bytes) | ¶^¬–°]¶¯™Aæπ¶‹•Œ§·∫›°^ | ID (2 bytes) | Mb (16 bytes) | (16 byte nonce, ServerSig)K | ƒ~ƒÚµn§J°]•Œ§·∫›¶‹¶¯™Aæπ°^ | logincontinue (2 bytes) | ID (2 bytes) | (16 byte nonce + 1, password)K | ¶^¬–°]¶¯™Aæπ¶‹•Œ§·∫›°^ pass / fail (data)K = Encrypt data using CAST 128 CBC with key = K Key •—§U¶C©“•‹™∫ Diffie-Hellman key •Ê¥´©“≤£•Õ°G Ma - first message = g^Ra mod p (sent by the Client to the Server) Mb - second message = g^Rb mod p (sent by the Server to the Cleint) K - Key = Mb^Ra mod p = Ma^Rb mod p ß⁄≠Œ CBC º“¶°™∫ CAST 128°]•— SSLeay ªsß@°^°A©M≤ƒ§G≠”¶Ï§∏¶r¶Í°ßCjalbert°®∏Ù∫ IV°A•H§Œ©M≤ƒ§T≠”¶Ï§∏¶r¶Í°ßLwallace°®∏Ù∫ IV°C §w™æ™∫§£¨€Æe© §Œ≠≠®Ó • Norton Antivirus ©M DHX UAM §ß∂°¶b®œ•Œ™∫¶≥§÷≥\¨€Æe© §Ë≠±¶¸•G¶≥©“ø˘ª~°C•Œ§·∫› Mac ¶bøÈ§J®œ•Œ™Ã¶W∫Ÿ©M±KΩXÆ…°A∑|¶]§£•øΩT™∫´¸•‹¶”µo•ÕπB¶Êø˘ª~°C∏—®M§ßπD¨Oß‚ Norton Antivirus √ˆ≥¨°C © 1999 Apple Computer, Inc. All rights reserved. ƒ´™G°Bƒ´™Gº–ªx°BApple°BAppleShare°BAppleTalk°BHyperCard°BLocalTalk°BMac°BMacintosh°BMacTCP°BªP PowerBook ¨O Apple Computer, Inc. ¶b¨¸∞ͧŒ®‰•L∞ÍÆa™∫µ˘•U∞”º–°CPowerPC ¨O International Business Machines Corporation ™∫∞”º–°A∏g±¬≈v§Ë•i®œ•Œ°C