libcal.leedsbeckett.ac.uk
Issued by Let's Encrypt Authority X3
About this certificate
This digital certificate with serial number 04:d3:48:8e:b3:fb:20:6e:0c:39:33:80:1e:6b:fd:a6:3c:50 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=libcal.leedsbeckett.ac.uk
Let's Encrypt
Organization:
Let's Encrypt
Country:
US
This certificate has expire since
Certificate Details
Serial Number (hex): 04:d3:48:8e:b3:fb:20:6e:0c:39:33:80:1e:6b:fd:a6:3c:50Serial Number (int): 420345168519657052670247334097177903774800
Serial Number lenght: 139 bits, 18 octets
SubjectKeyId: 90:55:e1:70:df:00:f4:ea:f4:1a:c1:8b:9e:c2:cc:ea:3b:11:fd:5b
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1
Fingerprint (sha1): 4c:6e:72:d0:9d:4f:c8:c9:86:c2:f3:b6:7d:e1:c9:e9:95:76:04:3a
Fingerprint (sha256): 1a:d9:16:ff:31:d0:7e:10:9f:a9:0e:6a:28:95:a0:b0:d3:e1:b2:cf:73:2b:38:e5:7a:3e:fa:38:6d:5a:9b:68
Issuing Certificate URL: http://cert.int-x3.letsencrypt.org/
Revocation information
OCSP Server: http://ocsp.int-x3.letsencrypt.orgCheck the revocation status for certificate libcal.leedsbeckett.ac.uk
1
DNS Names
0
Email Addresses
0
IP Addresses
Advanced Certificate Properties
Tehnical certificate details for libcal.leedsbeckett.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
libcal.leedsbeckett.ac.uk
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Certificate
The complete raw certificate details for libcal.leedsbeckett.ac.uk in PEM and ASN.1 format.
Certificate (PEM)
-----BEGIN CERTIFICATE----- MIIFajCCBFKgAwIBAgISBNNIjrP7IG4MOTOAHmv9pjxQMA0GCSqGSIb3DQEBCwUA MEoxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MSMwIQYDVQQD ExpMZXQncyBFbmNyeXB0IEF1dGhvcml0eSBYMzAeFw0xOTExMTcxMjA1MTZaFw0y MDAyMTUxMjA1MTZaMCQxIjAgBgNVBAMTGWxpYmNhbC5sZWVkc2JlY2tldHQuYWMu dWswggEiMA0GCSqGSIb3DQEBAQUAA4IBDwAwggEKAoIBAQCYSiS6mne5VLcqDhTL FRn1OHAy/sD183K9BJxWeSYHGAuAcT/1qsbDs3Fd/fLALlJz6IN62XDVrW93hStz roMdIbv1z5DyGt4ZPEzvFBrbRDDOQsAupyJkAnsqXeHqNks7C1mWC5mCunmZYdPA kog9TuOm9jvworAFekTaOHX4GXnhljEZ9jKfZPp8/wbV8ZoWInfpLY6EDdzzNKah E+vhNpXt2tyE4qFT2wmGCp1zcTkJ/ybN5m4l9rEihiP+ftnFlTOd00tX8lpXYmus hbPNZ6VhYaEAIXpQ46ZlBkF5ShHmiCqtZnhiNPSy8gkUobYQBxhTfy4f9AWy4e+9 GaHNAgMBAAGjggJuMIICajAOBgNVHQ8BAf8EBAMCBaAwHQYDVR0lBBYwFAYIKwYB BQUHAwEGCCsGAQUFBwMCMAwGA1UdEwEB/wQCMAAwHQYDVR0OBBYEFJBV4XDfAPTq 9BrBi57CzOo7Ef1bMB8GA1UdIwQYMBaAFKhKamMEfd265tE5t6ZFZe/zqOyhMG8G CCsGAQUFBwEBBGMwYTAuBggrBgEFBQcwAYYiaHR0cDovL29jc3AuaW50LXgzLmxl dHNlbmNyeXB0Lm9yZzAvBggrBgEFBQcwAoYjaHR0cDovL2NlcnQuaW50LXgzLmxl dHNlbmNyeXB0Lm9yZy8wJAYDVR0RBB0wG4IZbGliY2FsLmxlZWRzYmVja2V0dC5h Yy51azBMBgNVHSAERTBDMAgGBmeBDAECATA3BgsrBgEEAYLfEwEBATAoMCYGCCsG AQUFBwIBFhpodHRwOi8vY3BzLmxldHNlbmNyeXB0Lm9yZzCCAQQGCisGAQQB1nkC BAIEgfUEgfIA8AB1AF6nc/nfVsDntTZIfdBJ4DJ6kZoMhKESEoQYdZaBcUVYAAAB bnl3rDIAAAQDAEYwRAIgf4JBHHS+uCu0VahOYuHUlrQSM2Um6Ng72OTjq/4S5oMC ICHBlDkaxSWbTsnBXU3Pcii9cdIansoA1ZXXLVG1jxNiAHcAB7dcG+V9aP/xsMYd IxXHuuZXfFeUt2ruvGE6GmnTohwAAAFueXesRQAABAMASDBGAiEA7OsH/fwrFx9r TNaZsK3okhwnMnnVL8Sg1PgeHJ31orUCIQCU5crDkRIAxnkRioyC7tUTg+TgqO20 ZnVPzCPRBkVzzDANBgkqhkiG9w0BAQsFAAOCAQEAPLv2zWsPJku2x84k+29/7Pe2 q+zKRXV/R6bQMK4LZqfTzz1+iknYImZP/kkFGU9lhWLnOVykBfZEn7JgMNH9Joy2 ktohQXYsdicrIrYKhwvu6bW2OPXYSPLxlpSoZUvCAnp6V9FXtAiUWKGgHhPCTA2i 1Y/cNxCHAAYFvu+WAkNcGtuXsyHtxcbL8UNvtCX3NCqTwpo8RDiMRMR8/uS1lRsB 8AvoPwt4Mk/X+cY2UCeXbBh/E5kwYYsGzBN0GIC67yX0OWtmGSOcUHiLgcUmiEUf C3U4VxfVWjBArPVsB7vSqnPQ3d059NvrKUbH+poXNAl2cb6Ay4JBOGn+z7FKaw== -----END CERTIFICATE-----
Public Key (PEM)
-----BEGIN PUBLIC KEY----- MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAmEokupp3uVS3Kg4UyxUZ 9ThwMv7A9fNyvQScVnkmBxgLgHE/9arGw7NxXf3ywC5Sc+iDetlw1a1vd4Urc66D HSG79c+Q8hreGTxM7xQa20QwzkLALqciZAJ7Kl3h6jZLOwtZlguZgrp5mWHTwJKI PU7jpvY78KKwBXpE2jh1+Bl54ZYxGfYyn2T6fP8G1fGaFiJ36S2OhA3c8zSmoRPr 4TaV7drchOKhU9sJhgqdc3E5Cf8mzeZuJfaxIoYj/n7ZxZUzndNLV/JaV2JrrIWz zWelYWGhACF6UOOmZQZBeUoR5ogqrWZ4YjT0svIJFKG2EAcYU38uH/QFsuHvvRmh zQIDAQAB -----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 420345168519657052670247334097177903774800 . . . . . . . . [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 2019-11-17 12:05:16 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-02-15 12:05:16 +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 'libcal.leedsbeckett.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 19224783863718727645448493215753723531401159066986991970666282780788233001663463459123339787322634152465679447581535894604160152993805984456909343263379568571173111119423912323911992429417338734170807835217615004721638284770553025930704351814219468146933693989358924103775634289255246279395504905087890808233801101521920127255154315623359196681206797488444377948375019190837853070527150685868782729656470642039168361486398874820572712964564424013820205181326643425880329004641241107343852475305237535831506435798588353673130189003675087675350875113604596432940504772662593501256472939694495139694400366928806345810381 . . . . . . . . . . . . . . . . . . . . [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) 9055e170df00f4eaf41ac18b9ec2ccea3b11fd5b . . . . . . . . . . . . . . . . [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 (29 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'libcal.leedsbeckett.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 (245 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (242 bytes) 00f00075005ea773f9df56c0e7b536487dd049e0327a919a0c84a1121284187596817145580000016e7977ac32000004030046304402207f82411c74beb82bb455a84e62e1d496b412336526e8d83bd8e4e3abfe12e683022021c194391ac5259b4ec9c15d4dcf7228bd71d21a9eca00d595d72d51b58f136200770007b75c1be57d68fff1b0c61d2315c7bae6577c5794b76aeebc613a1a69d3a21c0000016e7977ac450000040300483046022100eceb07fdfc2b171f6b4cd699b0ade8921c273279d52fc4a0d4f81e1c9df5a2b502210094e5cac3911200c679118a8c82eed51383e4e0a8edb466754fcc23d1064573cc . . . . [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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