sofea.jmsc.hku.hk
Issued by Let's Encrypt Authority X3
About this certificate
This digital certificate with serial number 04:d7:91:43:e9:fb:26:80:54:50:98:36:d3:fc:60:90:55:bc was issued on by Let's Encrypt.
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- Subscriber Certificate: commonName is deprecated. (BRs: 7.1.4.2.2)
Certificate Subject
CN=sofea.jmsc.hku.hk
Let's Encrypt
Organization:
Let's Encrypt
Country:
US
This certificate has expire since
Certificate Details
Serial Number (hex): 04:d7:91:43:e9:fb:26:80:54:50:98:36:d3:fc:60:90:55:bcSerial Number (int): 421802943304020712879106473749760881743292
Serial Number lenght: 139 bits, 18 octets
SubjectKeyId: 45:e6:0c:71:ac:c7:6b:c0:de:ed:31:4a:30:62:96:a1:ba:15:5e:2f
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1
Fingerprint (sha1): 61:a0:30:57:bf:9d:bf:79:21:dc:11:c3:d7:e6:a0:82:f4:c2:e0:d2
Fingerprint (sha256): 00:3f:d5:5d:0b:7b:5d:a0:c7:2e:e0:8c:90:40:2b:f1:d0:75:ff:b8:22:6b:69:da:be:47:b9:ad:32:3d:27:cf
Issuing Certificate URL: http://cert.int-x3.letsencrypt.org/
Revocation information
OCSP Server: http://ocsp.int-x3.letsencrypt.orgCheck the revocation status for certificate sofea.jmsc.hku.hk
1
DNS Names
0
Email Addresses
0
IP Addresses
Advanced Certificate Properties
Tehnical certificate details for sofea.jmsc.hku.hk
Public Key Algorithm
RSA
Key Size
3072
Signature Algorithm
SHA256 with RSA
Key Usage
Digital Signature
Key Encipherment
Extended Key Usages
Server Authentication
Client Authentication
Extensions
9 extensions
No
unhandled critical extensions
CA Certificate
This is not a CA certificate
Subject Alternative Names
sofea.jmsc.hku.hk
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Certificate
The complete raw certificate details for sofea.jmsc.hku.hk in PEM and ASN.1 format.
Certificate (PEM)
-----BEGIN CERTIFICATE----- MIIF2zCCBMOgAwIBAgISBNeRQ+n7JoBUUJg20/xgkFW8MA0GCSqGSIb3DQEBCwUA MEoxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MSMwIQYDVQQD ExpMZXQncyBFbmNyeXB0IEF1dGhvcml0eSBYMzAeFw0xOTExMTYwMjIyMjBaFw0y MDAyMTQwMjIyMjBaMBwxGjAYBgNVBAMTEXNvZmVhLmptc2MuaGt1LmhrMIIBojAN BgkqhkiG9w0BAQEFAAOCAY8AMIIBigKCAYEA4hz14lQp5agc6S8Q7PzKVbaZfLHS 6Slr7cKDBMvtrjCHn2OtSmXTMIyyuAbPO4WKCKbcpWGspTTOlmWan6xTqAwxq1rg IfK6AT1Vn2NrgghLz/ZUaTVaGZ+gGJQXsMvuG/m/Z5+BIMxhEpMR0qQM1934npQZ oB+QzeXIoLWVBIKjfHD/Y7KA1bGeroyGpznP94w4M0mFIf5cylqSBPr0KgFg+ndJ lk3w8usn/Ntnky1ldYMWfKaJHuyhQoGIi70+AKGUSIDriMofKYljI0ZwpZI5tgUm u2F6Oujv67f62s1YLqNB75wdLMgDB9kQ9nM7/7i6hZw3HxnhIDkp6/88pi33uupb bBx+vWYwzCW9+r9tvjXRDlReUsiJdvJaRQP+rCPPDKEgG+71HLgNCeifrel2EYtC 3C/0uAETwuol8EFheEjt7HDMvuplYvHFeIJoTstdHJFzn7lMnel/FBz6hceLB9kv K03/zUXJNZRtkaz/i/SLa7QTUJfc/FivE/BTAgMBAAGjggJnMIICYzAOBgNVHQ8B Af8EBAMCBaAwHQYDVR0lBBYwFAYIKwYBBQUHAwEGCCsGAQUFBwMCMAwGA1UdEwEB /wQCMAAwHQYDVR0OBBYEFEXmDHGsx2vA3u0xSjBilqG6FV4vMB8GA1UdIwQYMBaA FKhKamMEfd265tE5t6ZFZe/zqOyhMG8GCCsGAQUFBwEBBGMwYTAuBggrBgEFBQcw AYYiaHR0cDovL29jc3AuaW50LXgzLmxldHNlbmNyeXB0Lm9yZzAvBggrBgEFBQcw AoYjaHR0cDovL2NlcnQuaW50LXgzLmxldHNlbmNyeXB0Lm9yZy8wHAYDVR0RBBUw E4IRc29mZWEuam1zYy5oa3UuaGswTAYDVR0gBEUwQzAIBgZngQwBAgEwNwYLKwYB BAGC3xMBAQEwKDAmBggrBgEFBQcCARYaaHR0cDovL2Nwcy5sZXRzZW5jcnlwdC5v cmcwggEFBgorBgEEAdZ5AgQCBIH2BIHzAPEAdwDwlaRZ8gDRgkAQLS+TiI6tS/4d R+OZ4dA0prCoqo6ycwAAAW5yO6ErAAAEAwBIMEYCIQCtLs0O+RXdOkhkAp04V351 AO5t99ti+HL+BCLNmAL8kgIhAN6zbvlV2psDYk7NsuErEeumKiB0gG6XNTA1SeMz VhG4AHYAsh4FzIuizYogTodm+Su5iiUgZ2va+nDnsklTLe+LkF4AAAFucjuhJgAA BAMARzBFAiEA7rq8r1DP7FHBhGL435uQy5OuKk72YLkD4HPYHFByhsYCIGTbrfHf Gqedttpyf1xLkwnRHhCu5gdZOro1EkpuyaKsMA0GCSqGSIb3DQEBCwUAA4IBAQAD Y1l4jbck2MUBfldFC+0YoG28DnwS6KzLempxej1QnQKljjGM27y6/lOLDRPoVbqt EbDpd7dOHY1If/Zu+wJouulPbSjES26Yz5NiAheBwo8pSyniU3KDPyXtj7ZxXYGr I5NoRCaOoUYGajns49eYE55bGJ1LHU3rHMF0i3eyFJ5XwfnJ+I3kO5eifBBms/Lp keIT+Ckxy3ykaBUxsOBFWgSdWseaCMj3t4jTMOh739ma1VfyIeQu5siHcyzY9bus s4KuoKJnxx9ZcdlRiIyksGvVJkW0XsOFs4pKOJIMdv/NSqu1OoQv5tFGz1pxEU1y Nlru6iDLzO6bUiDFx2RH -----END CERTIFICATE-----
Public Key (PEM)
-----BEGIN PUBLIC KEY----- MIIBojANBgkqhkiG9w0BAQEFAAOCAY8AMIIBigKCAYEA4hz14lQp5agc6S8Q7PzK VbaZfLHS6Slr7cKDBMvtrjCHn2OtSmXTMIyyuAbPO4WKCKbcpWGspTTOlmWan6xT qAwxq1rgIfK6AT1Vn2NrgghLz/ZUaTVaGZ+gGJQXsMvuG/m/Z5+BIMxhEpMR0qQM 1934npQZoB+QzeXIoLWVBIKjfHD/Y7KA1bGeroyGpznP94w4M0mFIf5cylqSBPr0 KgFg+ndJlk3w8usn/Ntnky1ldYMWfKaJHuyhQoGIi70+AKGUSIDriMofKYljI0Zw pZI5tgUmu2F6Oujv67f62s1YLqNB75wdLMgDB9kQ9nM7/7i6hZw3HxnhIDkp6/88 pi33uupbbBx+vWYwzCW9+r9tvjXRDlReUsiJdvJaRQP+rCPPDKEgG+71HLgNCeif rel2EYtC3C/0uAETwuol8EFheEjt7HDMvuplYvHFeIJoTstdHJFzn7lMnel/FBz6 hceLB9kvK03/zUXJNZRtkaz/i/SLa7QTUJfc/FivE/BTAgMBAAE= -----END PUBLIC KEY-----
ASN.1 decoded
[c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . [c:2|t:0|true] OtherName . . . . . . . . . . . . [c:0|t:2|false] INTEGER 2 . . . . . . . . [c:0|t:2|false] INTEGER 421802943304020712879106473749760881743292 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.113549.1.1.11 (sha256WithRSAEncryption) . . . . . . . . . . . . [c:0|t:5|false] NULL . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . [c:0|t:17|true] SET, SET OF . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.4.6 (countryName) . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'US' . . . . . . . . . . . . [c:0|t:17|true] SET, SET OF . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.4.10 (organizationName) . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'Let's Encrypt' . . . . . . . . . . . . [c:0|t:17|true] SET, SET OF . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.4.3 (commonName) . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'Let's Encrypt Authority X3' . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-11-16 02:22:20 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-02-14 02:22:20 +0000 UTC . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . [c:0|t:17|true] SET, SET OF . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.4.3 (commonName) . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'sofea.jmsc.hku.hk' . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.113549.1.1.1 (rsaEncryption) . . . . . . . . . . . . . . . . [c:0|t:5|false] NULL . . . . . . . . . . . . [c:0|t:3|false] BIT STRING (3184 bits) . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:2|false] INTEGER 5131360068877768038445333192505274520570913220674858064084414400285184260042424440062540528693627939425700260649987956658572006126213912521440822685662358176818234631741353472241472897112420208497990097443242860224517987084510578536746946832705929896575631371797238117132365104850048430093554389558851665692199766335118888409446325677188773976455675286728859708206912626167857113014780429105177807694766590612770911051345315722595308780175799505254843678122069781377429678630292801362256096714796353329851780638544142413312422336196251949470054714948749666236795106162551879311214371999644337118697503381890694190354827249331228580341032053616355295694779775615319117294386117816468283102893865276934753439824712427340260733355401544918631034599744581748347588929522498920572249640311074646281434056483001492232394152640342847065320745138087286928723676280739744808865649688202748723584103127372879898715846837971374008692819 . . . . . . . . . . . . . . . . . . . . [c:0|t:2|false] INTEGER 65537 . . . . . . . . [c:2|t:3|true] ORAddress . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.15 (keyUsage) . . . . . . . . . . . . . . . . . . . . [c:0|t:1|false] BOOLEAN true . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (4 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:3|false] BIT STRING (3 bits) 05a0 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.37 (extKeyUsage) . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (22 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.3.1 (serverAuth) . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.3.2 (clientAuth) . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.19 (basicConstraints) . . . . . . . . . . . . . . . . . . . . [c:0|t:1|false] BOOLEAN true . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (2 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.14 (subjectKeyIdentifier) . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (22 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (20 bytes) 45e60c71acc76bc0deed314a306296a1ba155e2f . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.35 (authorityKeyIdentifier) . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (24 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:0|false] OtherName a84a6a63047dddbae6d139b7a64565eff3a8eca1 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.1.1 (authorityInfoAccess) . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (99 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.48.1 (ocsp) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:6|false] IA5String 'http://ocsp.int-x3.letsencrypt.org' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.48.2 (caIssuers) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:6|false] IA5String 'http://cert.int-x3.letsencrypt.org/' . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.17 (subjectAltName) . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (21 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'sofea.jmsc.hku.hk' . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.32 (certificatePolicies) . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (69 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.23.140.1.2.1 (Domain Validation Certificates Policy) . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.4.1.44947.1.1.1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.2.1 (cps) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:22|false] IA5String 'http://cps.letsencrypt.org' . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.4.1.11129.2.4.2 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (246 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (243 bytes) 00f1007700f095a459f200d18240102d2f93888ead4bfe1d47e399e1d034a6b0a8aa8eb2730000016e723ba12b0000040300483046022100ad2ecd0ef915dd3a4864029d38577e7500ee6df7db62f872fe0422cd9802fc92022100deb36ef955da9b03624ecdb2e12b11eba62a2074806e9735303549e3335611b8007600b21e05cc8ba2cd8a204e8766f92bb98a2520676bdafa70e7b249532def8b905e0000016e723ba1260000040300473045022100eebabcaf50cfec51c18462f8df9b90cb93ae2a4ef660b903e073d81c507286c6022064dbadf1df1aa79db6da727f5c4b9309d11e10aee607593aba35124a6ec9a2ac . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.113549.1.1.11 (sha256WithRSAEncryption) . . . . . . . . [c:0|t:5|false] NULL . . . . [c:0|t:3|false] BIT STRING (2048 bits) 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