『プロフェッショナル SSL/TLS 読書会』 第 10 章

2018-06-22 https://ptls-study.connpass.com/event/90706/

Transcript

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29. Subject: CN=hashedhyphen.com Subject Public Key Info: Public Key Algorithm: rsaEncryption RSA Public Key: (2048 bit) Modulus (2048 bit): 00:a8:f2:7d:cb:39:e3:d6:9c:30:7d:63:eb:cc:f2: ff:ea:40:07:b3:bb:30:21:4f:2a:1c:fb:ba:1b:f5: 1c:af:36:a6:03:f9:85:3f:50:5b:21:05:b6:f5:79: bb:e9:f9:f1:30:bc:28:07:85:13:0c:33:6e:8a:24: 33:9f:83:6d:f6:69:27:ee:4f:a8:13:b2:fe:52:e1: 06:cb:da:a0:85:df:b8:09:a3:97:1b:8d:e7:20:0b: 70:40:53:0a:ea:50:e7:60:03:70:ce:f4:35:4d:2c: 5c:ae:d0:4c:b8:7c:a3:d5:d7:13:c0:e0:d3:85:8b: 2d:7e:f2:0a:08:f1:06:9d:79:2d:40:c1:4d:93:71: 2d:d3:12:05:29:50:f6:a4:2e:7e:3d:27:7e:38:81: 51:21:0b:32:f7:37:b9:24:82:0b:e1:78:05:50:2c: e0:63:1d:d3:44:fb:57:be:ca:d0:e6:3f:31:1c:0c: 45:5c:43:df:69:cd:6f:fd:5c:2e:c9:e9:93:91:18: f7:e3:28:d3:2e:68:0f:bd:a7:59:1a:98:c9:08:61: 04:e7:e1:81:74:31:3d:43:1f:91:c7:90:c7:f6:54: 10:10:77:88:e8:fa:82:8f:8e:79:3d:05:e0:3a:96: c0:8e:60:28:e1:ab:1b:8e:51:36:45:c2:be:f8:2b: a2:ff Exponent: 65537 (0x10001)
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    $"
    ͷূ໌ॻΛϐϯχϯά͢Δ৔߹ɺαʔ όূ໌ॻ͕औΓಘΔ೚ҙͷݕূύεΛαϙʔτ͢Δඞཁɺ࣍ճ ͷαʔόূ໌ॻߋ৽࣌ʹطଘͷݕূύε্ʹ͓͚Δ
    $"
    ͕ม ΘΔՄೳੑ͕͋ͬͯ໘౗
    w αʔόূ໌ॻʹॺ໊͕ඞؚͣ·Ε͍ͯΔͷͰɺ
 ࠷Լ૚ͷதؒ
    $"
    Λϐϯχϯάͯ͠ɺ࣍ճͷূ໌ॻߋ৽࣌ʹ ϐϯχϯά͕յΕͳ͍Α͏ͳӡ༻Λґཔʁ
    w ଞͷ
    $"
    ͔Βऔಘͨ͠ূ໌ॻΛ༧උʹඞͣ༻ҙ͢Δ
    w BOE
    TP
    POʜ
31. Ͳ͜ʹϐϯཹΊ͢Δ͔ ʮϐϯχϯάͷӡ༻Ͱ࠷΋ޮՌతͳͷ͸ɺࣗ෼ࣗ਎Ͱ தؒ$"Λॴ༗͢Δ͜ͱͰ͢ɻʯ
32. Ͳ͜ʹϐϯཹΊ͢Δ͔ ͦΕ͸ͦ͏
33. ωΠςΟϒΞϓϦͰͷϐϯχϯά w ΞϓϦͷόΠφϦ഑෍࣌ʹূ໌ॻΛόϯυϧ
    w +BWB
    ͷτϥετετΞͷΠϝʔδʁ
    w αʔόαΠυ͕ωΠςΟϒΞϓϦ͔ΒͷΈͷΞΫη εͰ͋Ε͹ׂͱݱ࣮త
    w "OESPJE
    ͸ূ໌ॻϐϯχϯάΛαϙʔτ͍ͯ͠Δ ʢΒ͍͠ʣ
34. )1,1 w 3'$
    
    
    1VCMJD
    ,FZ
    1JOOJOH
    &YUFOTJPO
    GPS
    )551
    
    w ϓϩτίϧ͸
    )551
    ͷ
    1VCMJD,FZ1JOT
    ϔομ
    w )454
    ͱಉ͘͡
    NBYBHF
    Λࢦఆ͠ɺϋογϡؔ਺ ͷΞϧΰϦζϜͱ
    41,*
    ͷϋογϡ஋Λࢦఆͯ͠ϐ ϯχϯάΛද໌͢Δ Public-Key-Pins: max-age=2592000; pin-sha256="E9CZ9INDbd+2eRQozYqqbQ2yXLVKB9+xcprMF+44U1g="; pin-sha256="LPJNul+wow4m6DsqxbninhsWHlwfp0JecwQzYpOLmCQ="
35. )1,1 w ඞͣ
    
    ͭҎ্ϐϯχϯά͢Δඞཁ͕͋Δ
    w ͔֤ͭʑ͕ผʑͷূ໌ॻνΣʔϯʹ͋Δඞཁ
    w )1,1
    ͕ಈ࡞ͤͣʹ
    CVH[JMMBNP[JMMBPSH
    ʹ ʮ)1,1
    ಈ͍ͯͳ͍Μ͚ͩͲόάʁʯͬͯฉ͍ͨΒ ʮূ໌ॻ
    
    ݸ͔͠ϐϯχϯάͯ͠ͳ͍΍Μ͚ʯ
 ͬͯࢦఠ͞Εͨࢥ͍ग़ʢஏ͔͍ͣ͠ʣ Public-Key-Pins: max-age=2592000; pin-sha256="E9CZ9INDbd+2eRQozYqqbQ2yXLVKB9+xcprMF+44U1g="; pin-sha256="LPJNul+wow4m6DsqxbninhsWHlwfp0JecwQzYpOLmCQ="
36. )1,1 w ඞͣ
    
    ͭҎ্ϐϯχϯά͢Δඞཁ͕͋Δ
    w ͔֤ͭʑ͕ผʑͷূ໌ॻνΣʔϯʹ͋Δඞཁ
    w )1,1
    ͕ಈ࡞ͤͣʹ
    CVH[JMMBNP[JMMBPSH
    ʹ ʮ)1,1
    ಈ͍ͯͳ͍Μ͚ͩͲόάʁʯͬͯฉ͍ͨΒ ʮূ໌ॻ
    
    ݸ͔͠ϐϯχϯάͯ͠ͳ͍΍Μ͚ʯ
 ͬͯࢦఠ͞Εͨࢥ͍ग़ʢஏ͔͍ͣ͠ʣ
    w 1VCMJD,FZ1JOT3FQPSU0OMZ
    ϔομΛ࢖͑͹
    ESZSVO
    Ͱ͖Δ Public-Key-Pins: max-age=2592000; pin-sha256="E9CZ9INDbd+2eRQozYqqbQ2yXLVKB9+xcprMF+44U1g="; pin-sha256="LPJNul+wow4m6DsqxbninhsWHlwfp0JecwQzYpOLmCQ="
37. %"/& w %/4#BTFE
    "VUIFOUJDBUJPO
    PG
    /BNFE
    &OUJUJFT
    w )5514
    PO
    5-4
    ͸αʔόূ໌ॻͷݕূΛ
    5-4
    ্ Ͱ΍Δ΋ͷ
    w ͦΕ
    %/44&$
    Ͱ΍Ε͹ྑ͘ͳ͍ʁ
38. %"/&
    WT
    5-4 ݱࡏͷ5-4
    ೝূͷϞσϧ͸
    w ʢʣຊ෺ͷυϝΠϯ໊ॴ༗ऀʹͷΈূ໌ॻΛൃߦ ͢ΔΑ͏ͳ৴པͰ͖Δ$"͕·ͣ͋ͬͯɺ
    ͦͷ͏͑Ͱ
    w αΠτʹΞΫηε͕͋ͬͨͱ͖ʹ͸͍ͭ΋ɺʢʣ ҙਤ໊ͨ͠લͲ͓Γূ໌ॻ͕ਖ਼͍͜͠ͱΛϢʔβΤʔ δΣϯτʢϒϥ΢βͳͲʣ͕͔֬ΊΔɺ
    ͱ͍͏ஈ֊ͷϞσϧͰߏ੒
39. %"/&
    WT
    5-4 ݱࡏͷ5-4
    ೝূͷϞσϧ͸
    w ʢʣຊ෺ͷυϝΠϯ໊ॴ༗ऀʹͷΈূ໌ॻΛൃߦ͢ ΔΑ͏ͳ৴པͰ͖Δ$"͕·ͣ͋ͬͯɺ
    ͦͷ͏͑Ͱ
    w αΠτʹΞΫηε͕͋ͬͨͱ͖ʹ͸͍ͭ΋ɺʢʣҙ ਤ໊ͨ͠લͲ͓Γূ໌ॻ͕ਖ਼͍͜͠ͱΛϢʔβΤʔδΣ ϯτʢϒϥ΢βͳͲʣ͕͔֬ΊΔɺ
    ͱ͍͏ஈ֊ͷϞσϧͰߏ੒
    w %/44&$
    ͕࢖͑Ε͹ɺड৴ͨ͠υϝΠϯʹ͍ͭͯͷ ৘ใ͸υϝΠϯ໊ॴ༗ऀ͔Βͷ΋ͷͰ͋Δͱ֬৴Ͱ ͖ΔͷͰ
    $"
    ͕ඞཁͰ͸ͳ͍
40. %"/&
    ͷϢʔεέʔε  ࣗݾॺ໊ূ໌ॻͷ҆શͳσϓϩΠ
    w ࠓ·Ͱͷ
    5-4
    ͩͱඞͣূ໌ॻΤϥʔ͕ग़Δ
    w ʮҰൠతͳʯϢʔβ͸ແࢹ͢Δ͚Ͳʜ·͋
    w ໰୊͸ʮਖ਼͍͠ʯΤϥʔͱࣗݾূ໌ॻͷݕূΤϥʔ ͕۠ผ͔ͭͳ͍
    w %/44&$
    ͕͋Ε͹ɺ໊લղܾ͢ΔυϝΠϯॴ༗ ऀͷਅਖ਼ੑΛ֬อͰ͖Δ͔ΒԿͰ΋҆શʹϐϯχ ϯάͰ͖ΔΑͶ
    w ಠࣗϧʔτূ໌ॻͩͬͯϐϯχϯάͰ͖ͪΌ͏
41. %"/&
    ͷ࣮૷ɾσϓϩΠ w 5-4"
    ϨίʔυΛκʔϯϑΝΠϧͰఆٛ
     ϙʔτ൪߸ʢΞϯμʔείΞલஔʣ
     ϓϩτίϧʢΞϯμʔείΞલஔʣ
     ׬શम০υϝΠϯ໊ _443._tcp.www.example.com. IN TLSA ( 0 1 1 d2abde240d7cd3ee6b4b28c54df034b9 7983a1d16e8a410e4561cb106618e971 )
42. %"/&
    ͷ࣮૷ɾσϓϩΠ w 5-4"
    ϨίʔυΛκʔϯϑΝΠϧͰఆٛ
    w $FSUJpDBUF
    6TBHF
    w 
    1,*95" 
    $"
    ূ໌ॻ
    νΣʔϯ্
    w 
    1,*9&& 
    &OE&OUJUZ
    ূ໌ॻ
    νΣʔϯઌ಄
    w ʜ _443._tcp.www.example.com. IN TLSA ( 0 1 1 d2abde240d7cd3ee6b4b28c54df034b9 7983a1d16e8a410e4561cb106618e971 )
43. %"/&
    ͷ࣮૷ɾσϓϩΠ w 5-4"
    ϨίʔυΛκʔϯϑΝΠϧͰఆٛ
    w 4FMFDUPS
    w 
    $FSU 
    ূ໌ॻϐϯχϯά
    w 
    41,* 
    ެ։伴
    41,*
    ϐϯχϯά _443._tcp.www.example.com. IN TLSA ( 0 1 1 d2abde240d7cd3ee6b4b28c54df034b9 7983a1d16e8a410e4561cb106618e971 )
44. %"/&
    ͷ࣮૷ɾσϓϩΠ w 5-4"
    ϨίʔυΛκʔϯϑΝΠϧͰఆٛ
    w .BUDIJOH
    5ZQF
    w 
    'VMM 
    ௚઀ൺֱ
    w 
    4)" 
    ϋογϡൺֱ
    w 
    4)" 
    ϋογϡൺֱ
    PQUJPOBM _443._tcp.www.example.com. IN TLSA ( 0 1 1 d2abde240d7cd3ee6b4b28c54df034b9 7983a1d16e8a410e4561cb106618e971 )
45. %"/&
    ͷ࣮૷ɾσϓϩΠ w 5-4"
    ϨίʔυΛκʔϯϑΝΠϧͰఆٛ
    w $FSUJpDBUF
    "TTPDJBUJPO
    %BUB
    w લ
    
    ͭͷ஋ͷ૊߹ͤʹରԠ͢Δϐϯχϯά஋ _443._tcp.www.example.com. IN TLSA ( 0 1 1 d2abde240d7cd3ee6b4b28c54df034b9 7983a1d16e8a410e4561cb106618e971 )
46. %"/&
    WT
    )1,1 w ෳ਺ͷ
    5-4"
    ϨίʔυΛ࢖ͬͯෳ਺ϐϯχϯάͰ ͖Δʢಉ͡ʣ
    w %/4
    ͷ
    55-
    ͱ͍͏༗ޮظ͕ؒ͋Δʢಉ͡ʣ
    w ͨͩ͠ɺϓϩτίϧࣗମ͸໌ࣔతͳ༗ޮظؒΛ࣋ͬ ͍ͯͳ͍ͷͰɺ%/4
    ͷઃఆมߋͰमਖ਼Մೳʢڧʣ
    w ESZSVO
    తͳϨϙʔτػೳ͕ͳ͍ʢऑʣ
47. %"/&
    JO
    ݱ৔ w ओཁϒϥ΢βະαϙʔτ
48. 5"$, w 5SVTU
    "TTFSUJPOT
    GPS
    $FSUJpDBUF
    ,FZT
    w 1VCMJD
    $"
    ͱ
    %/4
    ͔Β΋ಠཱٕͨ͠ज़ఏҊ
    w 5-4
    ͷ
    $MJFOU)FMMP
    Λ֦ு͢Δ
    w αʔόࣗ਎͕ੜ੒ͨ͠ॺ໊伴Ͱϐϯχϯά
    w ೚ҙͷϓϩτίϧ͔Βಠཱ͍ͯ͠Δ͕ෳࡶ