cefrinchina.leeds.ac.uk
Issued by Let's Encrypt Authority X3
About this certificate
This digital certificate with serial number 03:23:d0:b9:14:da:4f:c2:68:67:db:64:aa:c1:77:a6:43:ff was issued on by Let's Encrypt.
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Certificate Subject
CN=cefrinchina.leeds.ac.uk
Let's Encrypt
Organization:
Let's Encrypt
Country:
US
This certificate has expire since
Certificate Details
Serial Number (hex): 03:23:d0:b9:14:da:4f:c2:68:67:db:64:aa:c1:77:a6:43:ffSerial Number (int): 273524181058500293447334943157270924903423
Serial Number lenght: 138 bits, 18 octets
SubjectKeyId: a0:aa:9d:7c:16:53:77:35:d3:28:13:a3:53:d2:68:36:d5:d5:b6:41
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1
Fingerprint (sha1): 17:63:a6:9e:65:a7:67:51:a1:91:88:eb:86:ea:63:ba:0b:c9:03:a3
Fingerprint (sha256): 02:1f:77:5f:6c:81:44:b4:bd:49:d9:9a:97:b0:f0:34:eb:b1:3b:16:f9:b9:c9:88:59:b6:72:9d:5a:a3:0e:b2
Issuing Certificate URL: http://cert.int-x3.letsencrypt.org/
Revocation information
OCSP Server: http://ocsp.int-x3.letsencrypt.orgCheck the revocation status for certificate cefrinchina.leeds.ac.uk
1
DNS Names
0
Email Addresses
0
IP Addresses
Advanced Certificate Properties
Tehnical certificate details for cefrinchina.leeds.ac.uk
Public Key Algorithm
RSA
Key Size
2048
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
cefrinchina.leeds.ac.uk
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Certificate
The complete raw certificate details for cefrinchina.leeds.ac.uk in PEM and ASN.1 format.
Certificate (PEM)
-----BEGIN CERTIFICATE----- MIIFZTCCBE2gAwIBAgISAyPQuRTaT8JoZ9tkqsF3pkP/MA0GCSqGSIb3DQEBCwUA MEoxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MSMwIQYDVQQD ExpMZXQncyBFbmNyeXB0IEF1dGhvcml0eSBYMzAeFw0yMDAzMjIwODIzMzVaFw0y MDA2MjAwODIzMzVaMCIxIDAeBgNVBAMTF2NlZnJpbmNoaW5hLmxlZWRzLmFjLnVr MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAn1QXvR/2aSjSbWqM0wgD WRd8Uaz1AbkAZzts5b3hIesm9u6bQQD5XpLaKflr8AsbtSqKORXbhxrn7UcYk/zA Xg42uxqsttzROvOKC9ODK3FRbcidbZuhtnPGBqve6RmushRilphxQZdyMBqZQVVV anCpXiu7XYEBcoCpi9cbk3Ck9iFs9Nwwvkki7eGiCTtbjnLf94eeAsvEgc/7qDmy VqNqsWgGH47VOX11SoH29mdTnVvC6nfZRIDKElIJHfnm3m75SqIkze6MOoaYzLtE SyVb7Or7MDfUrjvWbSC3hUBC6yz+2I+77KZoEVmBO1AU3aK4vaqmG7LCSHQAy73n cQIDAQABo4ICazCCAmcwDgYDVR0PAQH/BAQDAgWgMB0GA1UdJQQWMBQGCCsGAQUF BwMBBggrBgEFBQcDAjAMBgNVHRMBAf8EAjAAMB0GA1UdDgQWBBSgqp18FlN3NdMo E6NT0mg21dW2QTAfBgNVHSMEGDAWgBSoSmpjBH3duubRObemRWXv86jsoTBvBggr BgEFBQcBAQRjMGEwLgYIKwYBBQUHMAGGImh0dHA6Ly9vY3NwLmludC14My5sZXRz ZW5jcnlwdC5vcmcwLwYIKwYBBQUHMAKGI2h0dHA6Ly9jZXJ0LmludC14My5sZXRz ZW5jcnlwdC5vcmcvMCIGA1UdEQQbMBmCF2NlZnJpbmNoaW5hLmxlZWRzLmFjLnVr MEwGA1UdIARFMEMwCAYGZ4EMAQIBMDcGCysGAQQBgt8TAQEBMCgwJgYIKwYBBQUH AgEWGmh0dHA6Ly9jcHMubGV0c2VuY3J5cHQub3JnMIIBAwYKKwYBBAHWeQIEAgSB 9ASB8QDvAHUAsh4FzIuizYogTodm+Su5iiUgZ2va+nDnsklTLe+LkF4AAAFxAY4C CQAABAMARjBEAiBwTw6/vF/oF9eZ0xRY+6BNewfopIzxGSEEMXTlXO+FZgIgVAxW T485CZxm/rUBNP71TlMdO/qDMoFsFQ69ZWqM7scAdgBvU3asMfAxGdiZAKRRFf93 FRwR2QLBACkGjbIImjfZEwAAAXEBjgJ0AAAEAwBHMEUCIHCDlxi5A5cKLDIyggJv lpMsTrtLpy9Qwq0FGoLekJPQAiEAkHFf1WMoahDO69tfVkdDc9iVGXsfdjq915bv hXr+BZYwDQYJKoZIhvcNAQELBQADggEBAEuNOihN/9n5vNvVUYkWYKikX5Mdcjoo dbJnTfPflJb00cvhhMl+KVeLckuPjo8VIrFDnwEHlsg/RYRODJP/nPsnLhUPhFiL rIAaEQdijZnOEpvpGYyDTk2KiZ87C7nw99dTEluYhKWWGJDG4N36tVNNbkIpD/mU 44zLBkP5GCa7CfSDSmzDICx9uHias92s64fY9u26hbfUyE/zigwSwd06yxrqrccC sqWF/GAQSPIK711Z3KvHdE0NP4Xwv2uKLUWreaRI7aPYRMgujPWSZfBiVaiPff9p 2DDAwqx66LFU5DueFFkmnxpMeILcd+LiptOLaqqDUQ+w3xL1HDmGm9I= -----END CERTIFICATE-----
Public Key (PEM)
-----BEGIN PUBLIC KEY----- MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAn1QXvR/2aSjSbWqM0wgD WRd8Uaz1AbkAZzts5b3hIesm9u6bQQD5XpLaKflr8AsbtSqKORXbhxrn7UcYk/zA Xg42uxqsttzROvOKC9ODK3FRbcidbZuhtnPGBqve6RmushRilphxQZdyMBqZQVVV anCpXiu7XYEBcoCpi9cbk3Ck9iFs9Nwwvkki7eGiCTtbjnLf94eeAsvEgc/7qDmy VqNqsWgGH47VOX11SoH29mdTnVvC6nfZRIDKElIJHfnm3m75SqIkze6MOoaYzLtE SyVb7Or7MDfUrjvWbSC3hUBC6yz+2I+77KZoEVmBO1AU3aK4vaqmG7LCSHQAy73n cQIDAQAB -----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 273524181058500293447334943157270924903423 . . . . . . . . [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 2020-03-22 08:23:35 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-06-20 08:23:35 +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 'cefrinchina.leeds.ac.uk' . . . . . . . . [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 (2160 bits) . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:2|false] INTEGER 20113358160073681910225014728781100143582721297284220461781588927021043575242341830443313641487437227070217398403844891297518614197653537672760318975731420753286105761746180292091841367007738373863601339299279899156523996901888340334466697080038413727469622829243568322606036195909989817855872337994178547446038598830700126981693502290187943623787194908646601639512461886770182891070513226667787533506443903543901668580513408981235201066831131302974452122696018198094142113941776181932797521489708430223446136047063036378886518184311962139687312749448293773731214433836654546179643725290139265419178466366442147014513 . . . . . . . . . . . . . . . . . . . . [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) a0aa9d7c16537735d32813a353d26836d5d5b641 . . . . . . . . . . . . . . . . [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 (27 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'cefrinchina.leeds.ac.uk' . . . . . . . . . . . . . . . . [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 (244 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (241 bytes) 00ef007500b21e05cc8ba2cd8a204e8766f92bb98a2520676bdafa70e7b249532def8b905e00000171018e020900000403004630440220704f0ebfbc5fe817d799d31458fba04d7b07e8a48cf11921043174e55cef85660220540c564f8f39099c66feb50134fef54e531d3bfa8332816c150ebd656a8ceec70076006f5376ac31f03119d89900a45115ff77151c11d902c10029068db2089a37d91300000171018e02740000040300473045022070839718b903970a2c323282026f96932c4ebb4ba72f50c2ad051a82de9093d002210090715fd563286a10ceebdb5f56474373d895197b1f763abdd796ef857afe0596 . . . . [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) 004b8d3a284dffd9f9bcdbd551891660a8a45f931d723a2875b2674df3df9496f4d1cbe184c97e29578b724b8f8e8f1522b1439f010796c83f45844e0c93ff9cfb272e150f84588bac801a1107628d99ce129be9198c834e4d8a899f3b0bb9f0f7d753125b9884a5961890c6e0ddfab5534d6e42290ff994e38ccb0643f91826bb09f4834a6cc3202c7db8789ab3ddaceb87d8f6edba85b7d4c84ff38a0c12c1dd3acb1aeaadc702b2a585fc601048f20aef5d59dcabc7744d0d3f85f0bf6b8a2d45ab79a448eda3d844c82e8cf59265f06255a88f7dff69d830c0c2ac7ae8b154e43b9e1459269f1a4c7882dc77e2e2a6d38b6aaa83510fb0df12f51c39869bd2