インフラ基盤技術のセキュリティとこれから

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echo $KUBELET_CERT | base64 -d > bootstrap/kubelet-bootstrap.crt` root@test:/# echo $KUBELET_KEY | base64 -d > bootstrap/kubelet-bootstrap.key root@test:/# CURRENT_HOSTNAME="$(curl -s -H 'Metadata-flavor: Google' ${KUBE_HOSTNAME_URL} | awk -F. '{print $1}')" root@test:/# openssl ecparam -genkey -name prime256v1 -out kubelet.key root@test:/tmp# openssl req -new -config /tmp/openssl.cnf -key kubelet.key -out kubelet.csr root@test:/# cat /tmp/kubelet.yaml apiVersion: certificates.k8s.io/v1beta1 kind: CertificateSigningRequest metadata: name: node-csr-gke-sandbox-cluster-default-pool-f9270e72-mg63-2 spec: groups: - system:authenticated request: LS0tLS... ... username: kubelet root@test:/# kubectl create -f /tmp/kubelet.yaml --certificate-authority=bootstrap/ca.crt --server=https://$KUBERNETES_MASTER_NAME --client- certificate=bootstrap/kubelet-bootstrap.crt --client-key=bootstrap/kubelet-bootstrap.key root@test:/# kubectl --certificate-authority=bootstrap/ca.crt --server=https://$KUBERNETES_MASTER_NAME --client-certificate=bootstrap/kubelet-bootst client-key=bootstrap/kubelet-bootstrap.key get csr node-csr-gke-sandbox-cluster-default-pool-f9270e72-mg63-2 -o jsonpath='{.status.certificate}' | b /tmp/kubelet.crt

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܅΋ϖύϘͰಇ͔ͳ͍͔ʁ ࠷৽ͷ࠾༻৘ใΛνΣοΫˠ !QC@SFDSVJU

インフラ基盤技術のセキュリティとこれから

インフラ基盤技術のセキュリティとこれから

mrtc0

Transcript

Πϯϑϥج൫ٕज़ͷηΩϡϦςΟͱ͜Ε͔Β ৿ాߒฏ(.01FQBCP OD OGSB4UVEZ ΠϯϑϥͱηΩϡϦςΟͱ ͜Ε͔Β

৿ాߒฏ!NSUD (.0ϖύϘηΩϡϦςΟରࡦࣨγχΞΤϯδχΞ ηΩϡϦςΟɾΩϟϯϓߨࢣ ηΩϡϦςΟɾΩϟϯϓεςΞϦϯάίϛοςΟ *1"ະ౿ΫϦΤʔλ IUUQTCMPHTTSGJO

ࠓ೔࿩͢͜ͱ wίϯςφ΍,VCFSOFUFTͳͲͷηΩϡϦςΟ wηΩϡϦςΟʹͲ͏޲͖߹͍͔ͬͯ͘ ෼͸ҙ֎ͱ୹͍ͷͰ࿩͍ͨ͜͠ͱશ෦࿩͖͠Εͳ͍ ͳͷͰ࣭ٙԠ౴΍࠙਌ձ౳Ͱ΋ٞ࿦͠·͠ΐ͏

$POUBJOFS4FDVSJUZ

ίϯςφͷ࡞Γํɺյ͠ํ IUUQTTQFBLFSEFDLDPNNSUDDPOUBJOFSTUSVDUVSFBOEFYQMPJUBUJPONFUIPE

-JOVYίϯςφͷ࢓૊Έ wৄ͘͠͸*OGSB4UVEZͷճΛ؍͍ͯͩ͘͞ w-JOVYͷηΩϡϦςΟػߏΛར༻ͯ͠ݖݶ΍Ϧιʔεͷ෼཭ w/BNFTQBDF DHSPVQ $BQBCJMJUZ TFDDPNQ -4. FUD w΋͠ίϯςφͷݖݶ෼཭౳ʹෆඋ͕͋Δ৔߹͸ɺϗετͷSPPUΛऔ

-JOVYίϯςφͷओͳ߈ܸγφϦΦ wίϯςφΠϝʔδͷ੬ऑੑ wίϯςφϥϯλΠϜͷ੬ऑੑٴͼઃఆෆඋ w-JOVYΧʔωϧͷ੬ऑੑ

ίϯςφηΩϡϦςΟͷࢦඪ wίϛϡχςΟ΍ػ͕ؔࡦఆ͍ͯ͠ΔΨΠυϥΠϯΛಡΉͱྑ͍ w$4#FODINBSLT4FDVSJOH%PDLFS w/4541"QQMJDBUJPO$POUBJOFS4FDVSJUZ wͿͬͪΌ͚ʮ͑ɺͦ͜·Ͱ͢Δͷʯͱ͍͏ͷ΋͋ΔͷͰɺࣗࣾʹͱͬ ͯͷڴҖ͸Կ͔Λߟ͑ͯखΛೖΕ͍ͯ͘ͷ͕ྑ͍

4FOTJUJWF'JMF.PVOU wίϯςφ͔ΒಡΈॻ͖Ͱ͖ͯ͸͍͚ͳ͍ϑΝΠϧ͕ଟ਺͋Δ wQSPDLDPSF QSPDTZTSRUSJHHFS w3FBE0OMZʹ͢Δ Ϛ΢ϯτ͠ͳ͍ͳͲͷରԠ wWBSSVOEPDLFSTPDLͷϚ΢ϯτ΋μϝ

$BQBCJMJUZ΍TFDDPNQ w $"1@4:4@"%.*/΍$"1@4:4@153"$& $"1@%"$@3&"%@4&"3$)ͳͲ w ಛݖίϯςφ͸ඇৗʹةݥ w NPVOU Λݺͼग़ͯ͠EFWTEB΍EFWWEBͳͲͷϚ΢ϯτ w

DBMM@VTFSNPEFIFMQFS@FYFD wίʔϧόοΫͷΑ͏ʹϓϩάϥϜΛ࣮ߦ͢Δ wSFMFBTF@BHFOU CJOGNU@NJTD DPSF@QBUUFSO VFOWFU@IFMQFSͳͲ w͜ͷ࢓૊ΈΛར༻ͯ͠ϗετଆʹΤεέʔϓͰ͖Δ

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%FGFOTF*O%FQUI w-JOVYίϯςφ͸ଟ૚๷ޚͰͰ͖͍ͯΔ w͋Δػߏ͕ಥഁ͞Εͯ΋ɺผͷػߏͰ๷͙؇࿨͢Δ wFHTFDDPNQ͕ಥഁ͞Εͯ΋DBQBCJMJUZͰϒϩοΫ w͜ͷ֓೦͸͋ΒΏΔηΩϡϦςΟͷྖҬͰඞཁ

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IUUQTXXXNJDSPTPGUDPNTFDVSJUZCMPHBUUBDLNBUSJYLVCFSOFUFT

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NFUBEBUBTFSWJDF w Ϋϥ΢υϓϩόΠμʔ͕ఏڙ͍ͯ͠ΔΤϯυϙΠϯτ w IUUQ w *".ͷΫϨσϯγϟϧ΍,VCFSOFUFTͷ؀ڥม਺ͳͲ͕֨ೲ͞Ε͍ͯΔ͜ͱ͕ ͋ΔͨΊɺ1SJWJMFHF&TDBMBUJPOʹར༻͞ΕΔ w ΞϓϦέʔγϣϯϨΠϠ͔Β͸443'ͳͲΛར༻ͯ͠઄औ͞ΕΔ͜ͱ΋

&,4 w Πϯελϯε৘ใͷऔಘ w 71$ 4FDVSJUZ(SPVQ৘ใͷऔಘ w &$3ϦϙδτϦ͔ΒΠϝʔδͷऔಘ IUUQTEPDTBXTBNB[PODPNFLTMBUFTUVTFSHVJEFSFTUSJDUFDDSFEFOUJBMBDDFTTIUNM

(,& w .FUBEBUBLVCFFOWʹ͸CPPUTUSBQॲཧͰ࢖༻͞ΕΔূ໌ॻ౳Λอ࣋ w ͦͷΫϨσϯγϟϧΛ࢖ͬͯ$FSUJpDBUF4JHOJOH3FRVFTUϦιʔεΛ࡞Δ w LVCFDPOUSPMMFSNBOBHFS͸$43Λࣗಈঝೝ͢ΔͷͰLVCFMFUʹͳΓ͢·͢ ͜ͱ͕Ͱ͖Δɻ

JNQFSTPOBUFLVCFMFU root@test:/# echo $CA_CERT | base64 -d > bootstrap/ca.crt root@test:/#

ࣄྫ w 4IPQJGZ443'JO&YDIBOHFMFBETUP3005BDDFTTJOBMMJOTUBODFT w IUUQTIBDLFSPOFDPNSFQPSUT w (JUMBC443'JOUP4IBSFE3VOOFS CZSFQMBDJOHEPDLFSEXJUINBMJDJPVTTFSWFSJO&YFDVUPS w IUUQTIBDLFSPOFDPNSFQPSUT

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Ϋϥ΢υͰͷ੹೚ڞ༗Ϟσϧ wΫϥ΢υϓϩύΠμ͸Ͳ͜·Ͱकͬͯ͘ΕΔΜ͚ͩͬʁ wϢʔβʔ͸Ͳ͜ΛकΔඞཁ͕͋ΔΜ͚ͩͬʁ ग़యIUUQTMFBSOHJUMBCDPNOFYUHFOTPGUXBSFTFDVSJUZTUFQTDJTPTFDVSFOFYUHFOTPGUXBSF

Ͳ͏޲͖߹͍͔ͬͯ͘ wج൫पΓͷਐԽ͸ૣ͍ͷͰɺηΩϡϦςΟରԠ͕ٻΊΒΕͨλΠϛϯ άͩͱ࠷৽όʔδϣϯͱࠩҟ͕ wηΩϡϦςΟʹؔ͢ΔΨΠυϥΠϯ͕ͳ͍ͷͰɺαʔϏεʹΑͬͯη ΩϡϦςΟϨϕϧ͕·ͪ·ͪ

%FW4FD0QT wͦ΋ͦ΋ɺηΩϡϦςΟͷจԽΛ࡞Δඞཁ͕͋Δ wΨΠυϥΠϯ΍ڴҖϞσϧΛߏங wෳࡶ͞Λந৅Խ͢ΔͨΊͷࣗಈԽɺج൫ͮ͘Γ w$P $PNNVOJDBUJPO $PNQMFUFOFTT $POUJOVPVT w5%4

܅΋ϖύϘͰಇ͔ͳ͍͔ʁ ࠷৽ͷ࠾༻৘ใΛνΣοΫˠ !QC@SFDSVJU

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