はじめに
証明書の失効情報を管理しているCRLを勉強したので、実際に証明局で利用されているCRLを確認してみる。
環境
MacOS Sonoma 14.4.1
Chrome バージョン: 123.0.6312.87(Official Build) (x86_64)
確認する証明書(k-bushi.com)
ルート認証局: Google Trust Services LLC, GTS Root R1確認する証明書のドメイン
https://www.k-bushi.com/ルート認証局の詳細
https://pki.goog/repository/
CRLとは?
CRLとは有効期限よりも前に失効させたデジタル証明書の一覧。
有効期限内に失効した証明書のシリアル番号と失効日が記録されている。
これは、すべての認証局で共通のものではなく、認証局毎に作成・更新されるリストとなっている。
ChromeでCRLを確認する
- ブラウザバーの左にあるボタンを押す。
- 「この接続は保護されています」→「証明書は有効です」を押す。
- 「証明書の階層」で「k-bushi.com」を押す。
- 「証明書のフィールド」→「CRL配布ポイント」に記載のURLを確認する。

証明書のCRL配布ポイントを確認する
CRL配布ポイントのURLは以下となっていた。
非重要
URI: http://crls.pki.goog/gts1p5/v5VT_64JizM.crlこのURLにアクセスすると、ファイルがダウンロードされる。 ダウンロード後は以下のコマンドで中身を確認する。
openssl crl -inform der -in [ダウンロードしたCRLファイル名] -textopenssl crl -inform der -in v5VT_64JizM.crl -text
Certificate Revocation List (CRL):
Version 2 (0x1)
Signature Algorithm: sha256WithRSAEncryption
Issuer: C=US, O=Google Trust Services LLC, CN=GTS CA 1P5
Last Update: Mar 28 05:59:18 2024 GMT
Next Update: Apr 7 04:59:17 2024 GMT
CRL extensions:
X509v3 Authority Key Identifier:
D5:FC:9E:0D:DF:1E:CA:DD:08:97:97:6E:2B:C5:5F:C5:2B:F5:EC:B8
X509v3 CRL Number:
4809
X509v3 Issuing Distribution Point: critical
Full Name:
URI:http://crls.pki.goog/gts1p5/v5VT_64JizM.crl Only User Certificates
Revoked Certificates:
Serial Number: 742FACFF4AA963481321115EAC4E86FD
Revocation Date: Mar 24 09:18:11 2024 GMT
Serial Number: 02DE089EC80C7E050ED9F4807F2FE801
Revocation Date: Mar 24 09:18:32 2024 GMT
Serial Number: CDDB378825E51BC20E93D60FB7E78340
Revocation Date: Mar 24 10:35:36 2024 GMT
Serial Number: AD7598FC30FAABC513499F802134EAC3
Revocation Date: Mar 24 11:34:36 2024 GMT
Serial Number: C4F8B8ABC4745B830E476A2EEF5A2C07
Revocation Date: Mar 24 11:34:37 2024 GMT
Serial Number: 4EB7BD08D36172160E70B5678799051B
Revocation Date: Mar 24 16:45:08 2024 GMT
Serial Number: B02B61C9E5897B6D137E0F6390F22C6F
Revocation Date: Mar 24 16:45:14 2024 GMT
Serial Number: CA78ABA2753AD6DA135020E4BEC23CB2
Revocation Date: Mar 24 17:31:43 2024 GMT
Serial Number: 3D4383ED162EDCC70D56A970547155FB
Revocation Date: Mar 24 18:35:58 2024 GMT
Serial Number: E1323BF5858159EF1191871005640E98
Revocation Date: Mar 24 20:24:15 2024 GMT
Serial Number: EF12B1038E051B370D096090652B5C93
Revocation Date: Mar 24 23:58:28 2024 GMT
Serial Number: FBC0081FDDC948880E664CD2F91AAABC
Revocation Date: Mar 25 00:07:08 2024 GMT
Serial Number: 6DE436D7B1F36DC4134133EA710FA64E
Revocation Date: Mar 25 01:49:17 2024 GMT
Serial Number: B91CF97027D94B4A0E6799066FEB3004
Revocation Date: Mar 25 02:39:25 2024 GMT
Serial Number: 5845EBFA4AD7BAAB1187EE4FD8A3D2BF
Revocation Date: Mar 25 02:53:29 2024 GMT
Serial Number: E8C64178A16D3C0511DA41FD1AF383F9
Revocation Date: Mar 25 03:47:47 2024 GMT
Serial Number: 2784921481B1C9B313496827C138FFB5
Revocation Date: Mar 25 03:51:47 2024 GMT
Serial Number: 78F84EF2AEAFA3AD136E02E982F6D353
Revocation Date: Mar 25 06:59:34 2024 GMT
Serial Number: F3490B2A60304B3C11EFE9F47F6AA104
Revocation Date: Mar 25 07:08:43 2024 GMT
Serial Number: C19775089CCF2BC50DAA0C1BCA3034DD
Revocation Date: Mar 25 07:08:43 2024 GMT
Serial Number: 2E3072B56CC34B5E11DC38135B9DA6B9
Revocation Date: Mar 25 08:42:16 2024 GMT
Serial Number: 52E95F71DD8CC57C1185E9716742EB6B
Revocation Date: Mar 25 09:33:34 2024 GMT
Serial Number: 99D02E13FD4E17DA0D83740F111ABB73
Revocation Date: Mar 25 09:33:58 2024 GMT
Serial Number: F780F683FA0EBBA40D1CFA5D3C47212A
Revocation Date: Mar 25 09:44:09 2024 GMT
Serial Number: 78499D58FA5160B3115AC31669134FA7
Revocation Date: Mar 25 10:17:23 2024 GMT
Serial Number: F36080283506808313A478069B5CF323
Revocation Date: Mar 25 10:18:24 2024 GMT
Serial Number: 6296F408766E11BE0D7B29B4AA50062E
Revocation Date: Mar 25 11:23:38 2024 GMT
Serial Number: 52A0174B450683DD13E0CEF38573862A
Revocation Date: Mar 25 11:41:23 2024 GMT
Serial Number: 8DF860E8CCD1E76613041DD45FBD6EEE
Revocation Date: Mar 25 12:58:07 2024 GMT
Serial Number: 7A7B7A285C1275E0131177439857B1E0
Revocation Date: Mar 25 13:06:33 2024 GMT
Serial Number: B341174C67463720138830FCDE055516
Revocation Date: Mar 25 13:52:25 2024 GMT
Serial Number: 8703B3810BC3D6120DCC7E13219EA6EA
Revocation Date: Mar 25 14:06:05 2024 GMT
Serial Number: 77B6FEABF8BD162D13C7B6AFD4CCA1A7
Revocation Date: Mar 25 14:57:44 2024 GMT
Serial Number: 7C94C2E96CF53E8A0D6F249EDA4BC277
Revocation Date: Mar 25 17:24:43 2024 GMT
Serial Number: E0EF455CC2AD0C680DB7CDCDFEC75C52
Revocation Date: Mar 25 18:24:50 2024 GMT
Serial Number: 485FBFB01DE3996C0D6910534FE7A88A
Revocation Date: Mar 25 18:34:05 2024 GMT
Serial Number: C59E270946B855510E2D30B562D02093
Revocation Date: Mar 25 19:21:19 2024 GMT
Serial Number: 20E4036A7377A4501349281FE094C051
Revocation Date: Mar 25 19:54:54 2024 GMT
Serial Number: 546B90BB7E447E7D136A56EC1AFA8F8A
Revocation Date: Mar 25 20:14:34 2024 GMT
Serial Number: 1DAEEA7753637DA713F530653C658C7A
Revocation Date: Mar 25 22:22:45 2024 GMT
Serial Number: 71DBDA296990385B0E04AFC0D4F97635
Revocation Date: Mar 25 22:22:45 2024 GMT
Serial Number: E9C12CEAB0EC1BE60E2D07B529843122
Revocation Date: Mar 25 22:33:17 2024 GMT
Serial Number: FCFC7848DD1CEA280D355E6692D022B0
Revocation Date: Mar 25 22:52:02 2024 GMT
Serial Number: A2AAC07609C209541191475FCBAE1000
Revocation Date: Mar 26 00:44:32 2024 GMT
Serial Number: C816B6A70B7EADB50E277AAB11381D30
Revocation Date: Mar 26 03:47:48 2024 GMT
Serial Number: 01AD708D997AAD800D3E1A72EA470FF3
Revocation Date: Mar 26 04:26:22 2024 GMT
Serial Number: 10256C9B9918DEF7134E6D3DC1AEC2B9
Revocation Date: Mar 26 05:35:45 2024 GMT
Serial Number: 44B81549FEFC27DC11EC79A21C8F6712
Revocation Date: Mar 26 06:00:38 2024 GMT
Serial Number: 657E1A4F01E7F19C132B1648984692A7
Revocation Date: Mar 26 06:00:40 2024 GMT
Serial Number: ADD2EB976BBC70741318F3215CC6F11A
Revocation Date: Mar 26 06:29:26 2024 GMT
Serial Number: E8B8790E0794BF960E1C406366B3E5C2
Revocation Date: Mar 26 06:29:27 2024 GMT
Serial Number: EC10D8E5F806BAF6139C205337503689
Revocation Date: Mar 26 07:18:28 2024 GMT
Serial Number: B9BD5CC23F3566B40E4D385C10D5E048
Revocation Date: Mar 26 09:00:12 2024 GMT
Serial Number: 8890C663130C5FE913B3A0B3BD8A1BAF
Revocation Date: Mar 26 10:15:59 2024 GMT
Serial Number: 8762E95FC2FBF9AF0EA5BA3EED31C6D4
Revocation Date: Mar 26 10:55:29 2024 GMT
Serial Number: B6D9BE7A15A9999511A20D057F9AA69F
Revocation Date: Mar 26 12:52:54 2024 GMT
Serial Number: 40BB8DAFAD91E39D0E75F17E9909C34C
Revocation Date: Mar 26 14:16:32 2024 GMT
Serial Number: E6D5388D1C5C9C460D0E17017CC46DE5
Revocation Date: Mar 26 14:44:33 2024 GMT
Serial Number: E0DB1B9E5B645FD60E4FD331A6C2E283
Revocation Date: Mar 26 14:53:33 2024 GMT
Serial Number: BDB27221ED948DA90DDA0667983FF88E
Revocation Date: Mar 26 16:52:19 2024 GMT
Serial Number: 1A97CCDBFD2082DF13ABEFD55E9FF7BD
Revocation Date: Mar 26 16:52:51 2024 GMT
Serial Number: A3B7FD9B558540620D54F03DF631423A
Revocation Date: Mar 26 16:59:15 2024 GMT
Serial Number: FE54F536AED43B040EC7E02A4B2D565B
Revocation Date: Mar 26 17:00:42 2024 GMT
Serial Number: 46906BC60A138C9B11BE9383A3982C01
Revocation Date: Mar 26 17:35:10 2024 GMT
Serial Number: 79A25F8273FB3949135DECE3E41BB59A
Revocation Date: Mar 26 17:35:09 2024 GMT
Serial Number: 2020EAA9EDBAD4C113E88429C51CF7DE
Revocation Date: Mar 26 19:27:53 2024 GMT
Serial Number: DCA63F50EBF66EA20E50C96EE9DAE142
Revocation Date: Mar 26 19:37:28 2024 GMT
Serial Number: 5D8F8CD76A65F8E913EAEADD27F276AC
Revocation Date: Mar 26 19:40:08 2024 GMT
Serial Number: 1782E7EDE030DCB511DBB4CCC682C310
Revocation Date: Mar 26 20:07:02 2024 GMT
Serial Number: 3605F856F5694FE20DD1A865BF825802
Revocation Date: Mar 26 20:07:02 2024 GMT
Serial Number: 62610690EEAF6B270D349F9448C5B0B8
Revocation Date: Mar 26 20:07:02 2024 GMT
Serial Number: 7173E8D1878057BE0E5E30CE38106C8F
Revocation Date: Mar 26 20:07:02 2024 GMT
Serial Number: 7AC48BF9509073FA11F1769409952DF9
Revocation Date: Mar 26 20:07:02 2024 GMT
Serial Number: 9111780FAC7194780DDDE7DC21776B07
Revocation Date: Mar 26 20:07:02 2024 GMT
Serial Number: A115F36A5E0BE7CA0DB3E3E54960D343
Revocation Date: Mar 26 20:07:02 2024 GMT
Serial Number: BF1B544637BE3ABD0DD5263E68E57ED4
Revocation Date: Mar 26 20:07:02 2024 GMT
Serial Number: D9A3F8B0DD486694117263153596CDA7
Revocation Date: Mar 26 20:07:02 2024 GMT
Serial Number: 56E505E734B4124311FE57589BB1221E
Revocation Date: Mar 26 20:07:02 2024 GMT
Serial Number: 875DFA5D74E82C970DC58D61B0DF1995
Revocation Date: Mar 26 20:07:02 2024 GMT
Serial Number: CE0A13A971DF4D84117024C02E1FF6D9
Revocation Date: Mar 26 20:07:04 2024 GMT
Serial Number: 52F0ACC50F413F130D4AE3FE64C9EB64
Revocation Date: Mar 26 20:07:04 2024 GMT
Serial Number: 0415CA63F0AC51821172C55CED453147
Revocation Date: Mar 26 20:07:03 2024 GMT
Serial Number: 548F9913CAB996BD0D477A7C141DEC17
Revocation Date: Mar 26 20:07:03 2024 GMT
Serial Number: 77DB1B0874EE8CAB11853A8E9EFE0785
Revocation Date: Mar 26 20:07:03 2024 GMT
Serial Number: 121DE0475019B45D13F07803211A0285
Revocation Date: Mar 26 20:29:06 2024 GMT
Serial Number: D28AE7602D4E5369137A3CAAA13D5AE7
Revocation Date: Mar 26 20:32:16 2024 GMT
Serial Number: 3C24D2056E0D8B240D3260B7573B2121
Revocation Date: Mar 26 20:32:18 2024 GMT
Serial Number: AD373BF83CC6EB940E834CD7405BF4ED
Revocation Date: Mar 26 20:52:37 2024 GMT
Serial Number: 8721AF71D7266D650EAE45B24D21E901
Revocation Date: Mar 26 20:59:15 2024 GMT
Serial Number: 5CF6C88D55C2CD930DD7C9B82946F82A
Revocation Date: Mar 26 21:00:17 2024 GMT
Serial Number: 1B1AC5C9EEE96A9611D95A184BE920F9
Revocation Date: Mar 26 21:10:57 2024 GMT
Serial Number: F41E9DF9C79A178F0E6B13CCFC58ADCD
Revocation Date: Mar 26 23:05:29 2024 GMT
Serial Number: 4B1639AC78E7CFB10D57DC85479F35EC
Revocation Date: Mar 27 00:25:24 2024 GMT
Serial Number: 690F486BFDA063E30D86D9FD54C4656B
Revocation Date: Mar 27 00:25:28 2024 GMT
Serial Number: 011A8FFB03F158FF132A4BB317772890
Revocation Date: Mar 27 01:00:09 2024 GMT
Serial Number: B18D95651E4CEE0F133C5B508BB4C949
Revocation Date: Mar 27 01:15:12 2024 GMT
Serial Number: C5473CBCCB4D8A6A0D76C134F4E20720
Revocation Date: Mar 27 01:46:14 2024 GMT
Serial Number: 09A358B2B4DB2B52116389C2D44649F2
Revocation Date: Mar 27 01:50:23 2024 GMT
Serial Number: 790E6FC001C3D7670D00AAE6C9531B42
Revocation Date: Mar 27 01:58:59 2024 GMT
Serial Number: A9674BC9320DDB8D1103511773B9DCA9
Revocation Date: Mar 27 02:02:29 2024 GMT
Serial Number: 08EEF8EA7FFACFB7115BA8176990D895
Revocation Date: Mar 27 02:34:51 2024 GMT
Serial Number: BC7C30BAF61705070D127695A8781677
Revocation Date: Mar 27 02:34:48 2024 GMT
Serial Number: 325FC703012060140ECEB1735A0A33B1
Revocation Date: Mar 27 02:55:31 2024 GMT
Serial Number: D3F409C0620A4ABC1362D7C9D8E77182
Revocation Date: Mar 27 03:13:56 2024 GMT
Serial Number: 515860087169E9DC132F824922CDB7DF
Revocation Date: Mar 27 06:33:24 2024 GMT
Serial Number: B0276EE98BBC270A0DB36BB8BFD88B88
Revocation Date: Mar 27 06:37:50 2024 GMT
Serial Number: 347664B799CE180311E11CC154407F61
Revocation Date: Mar 27 06:37:52 2024 GMT
Serial Number: ECF426ADACD9B72C1151B4AA3B7790EF
Revocation Date: Mar 27 08:26:24 2024 GMT
Serial Number: 602B130C966AFE1E130180DB8033B75F
Revocation Date: Mar 27 09:09:13 2024 GMT
Serial Number: A3497004DED2FDFE114E8B065BF1C08E
Revocation Date: Mar 27 09:27:18 2024 GMT
Serial Number: C95C96DE8F2625800E66E030872C5B68
Revocation Date: Mar 27 09:27:29 2024 GMT
Serial Number: 7A703D346E05D7580D14E3C033D8F8D7
Revocation Date: Mar 27 11:11:38 2024 GMT
Serial Number: 3AD509A9BCA207610D1406F3911BDE50
Revocation Date: Mar 27 11:27:36 2024 GMT
Serial Number: 1699367B5302CC1611C9F5F1A26B36E9
Revocation Date: Mar 27 11:27:39 2024 GMT
Serial Number: BF2497F0FB0682A40EEBAA33F7262993
Revocation Date: Mar 27 11:35:22 2024 GMT
Serial Number: B4F820965B885D950EA69DC356A5581A
Revocation Date: Mar 27 11:50:35 2024 GMT
Serial Number: E7EAF9FA7CF4694213D5B669790A6089
Revocation Date: Mar 27 15:16:34 2024 GMT
Serial Number: C0EAC3930489C4A80D0561523DBB5245
Revocation Date: Mar 27 15:27:15 2024 GMT
Serial Number: 41040303C93D57D013ED891A9E81C0B6
Revocation Date: Mar 27 15:27:30 2024 GMT
Serial Number: 92EC2733059A8C590EAD08D711F6EDFE
Revocation Date: Mar 27 15:35:31 2024 GMT
Serial Number: 213C11AFBC911B201306568F605A87E8
Revocation Date: Mar 27 17:14:34 2024 GMT
Serial Number: E63C42646644E7640D0E449C07823355
Revocation Date: Mar 27 17:18:11 2024 GMT
Serial Number: F8B2D659F6D1CD840D1981DD3ADF56D7
Revocation Date: Mar 27 17:37:35 2024 GMT
Serial Number: 4D4100A20CDB61FD0D7B3A9B5402972A
Revocation Date: Mar 27 18:01:50 2024 GMT
Serial Number: 142A025C52057D5D0D43E27E3B234000
Revocation Date: Mar 27 21:39:33 2024 GMT
Serial Number: 05653B56CEA84CFB0D7EEF769C5E5363
Revocation Date: Mar 27 21:46:14 2024 GMT
Serial Number: 3BE05578DAF84BFA134328505C91344E
Revocation Date: Mar 27 22:09:24 2024 GMT
Serial Number: 177AAD8404F863910DABD8F7CB1AA1F9
Revocation Date: Mar 27 22:28:34 2024 GMT
Serial Number: 7BE1E68DF830E09F0D5186989E72D3BA
Revocation Date: Mar 28 00:08:56 2024 GMT
Serial Number: D937F9F9E0D5C5CD0DFE20E81F990239
Revocation Date: Mar 28 00:35:14 2024 GMT
Serial Number: 1862E222E424C6680ED4503DB5EF1410
Revocation Date: Mar 28 00:46:26 2024 GMT
Serial Number: 4B0FF46F4260758C0D40EBE8B567C036
Revocation Date: Mar 28 01:46:55 2024 GMT
Serial Number: 4F739E3BF6E082F60E2AF679C23326F6
Revocation Date: Mar 28 02:03:07 2024 GMT
Serial Number: 5C60E2A4D6ECF99A13B371E0FB4DBA5A
Revocation Date: Mar 28 02:03:07 2024 GMT
Serial Number: 253CDCC4BCA58A0C0DE63449EC9F38DE
Revocation Date: Mar 28 04:05:04 2024 GMT
Serial Number: 8243F09C444B866F11083D78E2F68604
Revocation Date: Mar 28 04:05:05 2024 GMT
Serial Number: 3AB469A7E0BAF2D90D72CC78F770A793
Revocation Date: Mar 28 04:05:05 2024 GMT
Serial Number: 0705B6EE0B638CE2112568F315680335
Revocation Date: Mar 28 04:05:04 2024 GMT
Serial Number: A7A703DF0B1A53F41161C4C5A6A36479
Revocation Date: Mar 28 04:05:04 2024 GMT
Serial Number: DFD1B332A299402C0D5A5C53783B3CE7
Revocation Date: Mar 28 04:18:31 2024 GMT
Serial Number: 4206198FA8AF579D136E3C134FFBE936
Revocation Date: Mar 28 04:18:31 2024 GMT
Serial Number: A7C9849D1F48BDC50E28FFF7B5D43747
Revocation Date: Mar 28 04:18:31 2024 GMT
Serial Number: DEAFAC81B780CEBE1160D4D440264204
Revocation Date: Jan 4 01:00:33 2024 GMT
Serial Number: 4AE9D3114692992A139192FF7BE1960F
Revocation Date: Jan 5 01:00:49 2024 GMT
Serial Number: 3928C55FF297A775138FD71E6321A2AD
Revocation Date: Jan 8 01:00:57 2024 GMT
Serial Number: D351B3F32E6E71D91151D65E46B90151
Revocation Date: Jan 11 01:00:45 2024 GMT
Serial Number: 52E42FD43FF81DB21327DCB286647109
Revocation Date: Jan 18 14:17:09 2024 GMT
Serial Number: CCB16ECEF83804160D9A6306C8B678C3
Revocation Date: Jan 17 17:23:19 2024 GMT
Serial Number: 5D3318F017CEC12A0E0436B4D9192BC8
Revocation Date: Jan 19 19:05:46 2024 GMT
Serial Number: 1E8765926343849E1143A00CF821FA9D
Revocation Date: Jan 21 01:01:19 2024 GMT
Serial Number: A92DA73AAB8725AE0D464B48F5540860
Revocation Date: Jan 22 01:00:52 2024 GMT
Serial Number: DDCA9C64935D46840D12FB7DC4080198
Revocation Date: Mar 24 01:00:30 2024 GMT
Serial Number: 58C53EA7BD8C30E10D64E608AF8D5554
Revocation Date: Jan 23 09:28:12 2024 GMT
Serial Number: E5C74C345DC6530A116BE55A77591671
Revocation Date: Jan 25 01:01:15 2024 GMT
Serial Number: A15C429DB3C34EE60D84B7F7B533A1B5
Revocation Date: Jan 26 01:01:08 2024 GMT
Serial Number: D734ACDF2758F1BD0D3C9D70758BE37E
Revocation Date: Jan 24 07:36:48 2024 GMT
Serial Number: AEDA2D9A35D482D10E7072BC27109A7D
Revocation Date: Jan 24 07:36:53 2024 GMT
Serial Number: 26905B10D52F141F13D8678A29B6D730
Revocation Date: Jan 29 01:00:59 2024 GMT
Serial Number: 38EF4CB2B60990F0117E4BA8E3897633
Revocation Date: Jan 31 01:01:01 2024 GMT
Serial Number: 81B2462BB7125831138436B45D2D340C
Revocation Date: Feb 7 01:01:08 2024 GMT
Serial Number: 66BE03565C163EA00D681DA34F4D2937
Revocation Date: Mar 7 01:00:22 2024 GMT
Serial Number: 335B690A9A0B738B135268966CA6587E
Revocation Date: Feb 14 01:00:32 2024 GMT
Serial Number: B07B7B46139E18480D6736993C245E2B
Revocation Date: Feb 18 01:00:54 2024 GMT
Serial Number: FC699E7E0F8C34F50E71778BF3885F79
Revocation Date: Feb 19 15:13:44 2024 GMT
Serial Number: 51B12599CC8A409E115B36C3DC737CF0
Revocation Date: Feb 22 01:01:20 2024 GMT
Serial Number: 4CC32BBC91865CE211347B57F2C7ADC7
Revocation Date: Feb 22 01:01:05 2024 GMT
Serial Number: 3706BC8C2CE34C8A13849F37FC03ADB0
Revocation Date: Feb 28 01:00:36 2024 GMT
Serial Number: B998C8EAE05BB965134BAF9D68D32809
Revocation Date: Feb 29 01:00:30 2024 GMT
Serial Number: 75DAC23580494AED117788C7467D7516
Revocation Date: Mar 3 01:00:27 2024 GMT
Serial Number: 881AE51E856793390E7A73ABD805D746
Revocation Date: Mar 2 07:58:27 2024 GMT
Serial Number: 20A7B833244DB2851399659A7BCFB14B
Revocation Date: Mar 11 01:00:47 2024 GMT
Serial Number: 3E858A020CFBC6580E21090531F7BC3A
Revocation Date: Mar 24 01:01:21 2024 GMT
Serial Number: DB96B775F59C9A0C13A089E785827621
Revocation Date: Mar 25 01:00:47 2024 GMT
Serial Number: D6D06819086F52DF0DF90C5BE8488451
Revocation Date: Mar 26 01:00:36 2024 GMT
Serial Number: 3EE1DDAC052623BE13A87FBFB4124999
Revocation Date: Mar 27 01:01:29 2024 GMT
Signature Algorithm: sha256WithRSAEncryption
Signature Value:
78:69:02:5b:36:4d:8c:c9:03:60:4b:26:cc:6b:44:ae:87:73:
b2:7e:54:3f:c2:a4:ee:df:cf:86:ae:66:97:d3:2c:10:48:fd:
8b:73:96:44:1b:0c:da:a9:d7:b5:38:3a:31:4b:b8:80:cd:08:
e3:d0:87:b1:b0:6b:25:48:3f:21:46:21:ed:10:f8:cc:84:e6:
a2:f6:ac:10:25:71:19:36:0d:78:d5:d7:5d:79:ee:c7:93:c4:
59:d1:ae:a7:e2:c1:2c:55:e1:f9:c6:17:fb:43:51:c0:18:77:
a8:3a:b9:9d:34:48:f9:6e:4f:0d:ea:d3:f8:90:2a:2d:14:27:
08:f2:6c:39:ec:46:16:29:99:d2:8a:22:e0:85:85:75:86:22:
82:c4:b1:08:26:c5:27:34:0f:b3:2a:e4:46:59:88:9c:84:c9:
5d:dd:30:fa:c8:0a:35:a2:33:17:65:c2:a5:64:92:9c:0a:d9:
83:7e:1b:36:88:58:0f:62:0a:a5:75:8f:58:47:c6:01:2d:49:
21:00:7f:01:a3:bd:97:e3:6e:30:d2:c3:ec:fd:a3:10:f4:e1:
16:6a:9d:a5:2e:26:ff:19:ee:8a:b2:03:2b:3f:25:af:ef:43:
2f:5a:88:e3:b2:7b:28:20:00:8d:01:c0:2d:54:54:bd:53:15:
de:c1:57:a5
—–BEGIN X509 CRL—–
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AS1JIQB/AaO9l+NuMNLD7P2jEPThFmqdpS4m/xnuirIDKz8lr+9DL1qI47J7KCAA
jQHALVRUvVMV3sFXpQ==
—–END X509 CRL—–
Certificate Revocation List (CRL): のセクションはバージョンや発行者の情報が記載されている。
Revoked Certificates: のセクションがシリアル番号と失効日の対応として出力されているようだ。
補足: CRLの失効申請について
例えば、証明書の秘密鍵の漏洩が発生した場合については失効申請をする必要がある。 また、証明書の署名に利用されているアルゴリズムが非推奨で更新する場合も同様と思われる。
この場合は、発行した認証局に申請する必要があるがグローバルサインであれば下記のページを参考に実施する必要がある。
https://jp.globalsign.com/support/cert-management/expired.html
参考
CRL(Certificate Revocation List:証明書失効リスト)
https://jprs.jp/glossary/index.php?ID=0241CRL(Certificate Revocation List)とは | ネットワークエンジニアとして
https://www.infraexpert.com/study/sslserver13.htmlCRL (Certificate Revocation List) |SSL/TLS サーバー証明書 SureServer| サイバートラスト
https://www.cybertrust.co.jp/sureserver/support/glossary/crl.html
参考にした動画
おわりに
CRLを実際に自分の目で見ることはほとんどないが、確認してみると意識していない部分に色々な技術や仕組みがあることがわかった。CRLは定期的に更新されているリストでありリアルタイムに確認できるわけではないので、リアルタイムに確認できるOCSPというプロトコルもある。
次の機会ではOCSPも勉強してみる。