www.ambiguity2017.leeds.ac.uk
Issued by Let's Encrypt Authority X3
About this certificate
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Certificate Subject
CN=www.ambiguity2017.leeds.ac.uk
Let's Encrypt
Organization:
Let's Encrypt
Country:
US
This certificate has expire since
Certificate Details
Serial Number (hex): 04:ac:24:f4:fd:ef:2f:6b:6f:57:8e:8b:8f:48:a7:e4:c4:c4Serial Number (int): 407026835116123978012665842704593256236228
Serial Number lenght: 139 bits, 18 octets
SubjectKeyId: 39:61:25:cf:88:88:10:2c:d6:c5:70:15:06:38:ce:08:98:19:f9:5c
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1
Fingerprint (sha1): 24:c1:c1:9d:bb:24:88:24:ea:12:f4:54:9b:36:da:34:c5:a1:e0:71
Fingerprint (sha256): 03:6a:69:50:31:2f:f6:43:95:a3:22:0a:ce:1f:69:f5:7a:5b:c0:f4:f6:19:d2:27:58:87:31:de:67:f9:f9:c2
Issuing Certificate URL: http://cert.int-x3.letsencrypt.org/
Revocation information
OCSP Server: http://ocsp.int-x3.letsencrypt.orgCheck the revocation status for certificate www.ambiguity2017.leeds.ac.uk
1
DNS Names
0
Email Addresses
0
IP Addresses
Advanced Certificate Properties
Tehnical certificate details for www.ambiguity2017.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
www.ambiguity2017.leeds.ac.uk
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Certificate
The complete raw certificate details for www.ambiguity2017.leeds.ac.uk in PEM and ASN.1 format.
Certificate (PEM)
-----BEGIN CERTIFICATE----- MIIFczCCBFugAwIBAgISBKwk9P3vL2tvV46Lj0in5MTEMA0GCSqGSIb3DQEBCwUA MEoxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MSMwIQYDVQQD ExpMZXQncyBFbmNyeXB0IEF1dGhvcml0eSBYMzAeFw0xOTEyMDMxMTI0NDFaFw0y MDAzMDIxMTI0NDFaMCgxJjAkBgNVBAMTHXd3dy5hbWJpZ3VpdHkyMDE3LmxlZWRz LmFjLnVrMIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAvkyM3hqqLqd3 ZS6QiLlHaXWrMlt9/b/CLR3Z3DtTMs0X69xzWfWdL/RaZbuk+naI/d1NhxsEDxiW gmr5IVvQkUafl5LFzpdULJi0YrWC7n6eXnrcnJopBEOsfMuvawXVjlXeLfu3z0IE AoPBYvEJiWszfZn1L0ymC0PGeXJnLIZ/xBc5L7yz+f1ecGxb4X1SvvpM9hDXF68s LcwxMrgd3k0dLzM/fsa7lq6xS5U/NYlaId2rekj8hNJsrlPMx8CfQJKr9zBu52M+ GUcgWIap0VfJTfYotJ8OjsM3nfreeojAcYQR3oyMIUVsrCSOS71sCREXRLeqpSvE 2YbbP/aUkQIDAQABo4ICczCCAm8wDgYDVR0PAQH/BAQDAgWgMB0GA1UdJQQWMBQG CCsGAQUFBwMBBggrBgEFBQcDAjAMBgNVHRMBAf8EAjAAMB0GA1UdDgQWBBQ5YSXP iIgQLNbFcBUGOM4ImBn5XDAfBgNVHSMEGDAWgBSoSmpjBH3duubRObemRWXv86js oTBvBggrBgEFBQcBAQRjMGEwLgYIKwYBBQUHMAGGImh0dHA6Ly9vY3NwLmludC14 My5sZXRzZW5jcnlwdC5vcmcwLwYIKwYBBQUHMAKGI2h0dHA6Ly9jZXJ0LmludC14 My5sZXRzZW5jcnlwdC5vcmcvMCgGA1UdEQQhMB+CHXd3dy5hbWJpZ3VpdHkyMDE3 LmxlZWRzLmFjLnVrMEwGA1UdIARFMEMwCAYGZ4EMAQIBMDcGCysGAQQBgt8TAQEB MCgwJgYIKwYBBQUHAgEWGmh0dHA6Ly9jcHMubGV0c2VuY3J5cHQub3JnMIIBBQYK KwYBBAHWeQIEAgSB9gSB8wDxAHYAsh4FzIuizYogTodm+Su5iiUgZ2va+nDnsklT Le+LkF4AAAFuy7hFJwAABAMARzBFAiEAj0qQFdu4IsxUpfeKn4Zi0GOp6/3Zi9Nj yxn205YqLHwCIDYHLR1MHfh2MaIUVLicp+3zcfHwm4Lfr3mq1S5QqbhWAHcAb1N2 rDHwMRnYmQCkURX/dxUcEdkCwQApBo2yCJo32RMAAAFuy7hFWgAABAMASDBGAiEA rZB/ZmzaPbexeY7sUr2OzcqkvId9qLxcb1BNfXkUMgICIQCnncMrg6SrClBQyfDO F2buETFNsMedfc3fK5LRRttTyzANBgkqhkiG9w0BAQsFAAOCAQEAcJ1unLA+kPbl qRlCgB39t75UWfh2L2pSTRtvmau8ncNwLoNgDT3D3TQ/6XbGM88AmSIm4FqIXqIR 7F0HYkbMZd1UNOyUCRK2d6iUxDQnX48FIMwXId6E1s34vX5hWX1EfnYmDanxlFcF 1M7yQdWFTx49f/JF7gqyI5x6SkAdVyUpBJaXsl2xgQnBW7fy6lIklD69Ny+kE52l dYW8q4GFmNvr/jU+VQXC6r2Vbc6Ags7U2oM/MRoFZiQ2+YNbcufap88K6BtsbSRV wG0zJpWKMTZYZdo5DUgMOjRZVDPTHLZV1NsHhCQVKpkfT6BXjqdW4IvCGo3fO6N0 zx9Dt6uTjA== -----END CERTIFICATE-----
Public Key (PEM)
-----BEGIN PUBLIC KEY----- MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAvkyM3hqqLqd3ZS6QiLlH aXWrMlt9/b/CLR3Z3DtTMs0X69xzWfWdL/RaZbuk+naI/d1NhxsEDxiWgmr5IVvQ kUafl5LFzpdULJi0YrWC7n6eXnrcnJopBEOsfMuvawXVjlXeLfu3z0IEAoPBYvEJ iWszfZn1L0ymC0PGeXJnLIZ/xBc5L7yz+f1ecGxb4X1SvvpM9hDXF68sLcwxMrgd 3k0dLzM/fsa7lq6xS5U/NYlaId2rekj8hNJsrlPMx8CfQJKr9zBu52M+GUcgWIap 0VfJTfYotJ8OjsM3nfreeojAcYQR3oyMIUVsrCSOS71sCREXRLeqpSvE2YbbP/aU kQIDAQAB -----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 407026835116123978012665842704593256236228 . . . . . . . . [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 2019-12-03 11:24:41 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-03-02 11:24:41 +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 'www.ambiguity2017.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 24023026285649493719758845036650331463623619785140919457352534068378323366704916775147666034242246317405271660112214431621116721444098772385887520270115705250248523863567493618722260122298621367115829369726143917610591227072047400653998165581359287912648742641470795890964084631438395241515848652117428335567530299598691945572221483708752607274914049605024315761126140842513831538499619926512684407206384678686235995733298524314634562759929754002522239294152748130832236154842729349701179959196668869098543710949978536295203626992330034828393965591297329782411751696669104946238472807217355183583858689684285785805969 . . . . . . . . . . . . . . . . . . . . [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) 396125cf8888102cd6c570150638ce089819f95c . . . . . . . . . . . . . . . . [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 (33 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.ambiguity2017.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 (246 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (243 bytes) 00f1007600b21e05cc8ba2cd8a204e8766f92bb98a2520676bdafa70e7b249532def8b905e0000016ecbb8452700000403004730450221008f4a9015dbb822cc54a5f78a9f8662d063a9ebfdd98bd363cb19f6d3962a2c7c022036072d1d4c1df87631a21454b89ca7edf371f1f09b82dfaf79aad52e50a9b8560077006f5376ac31f03119d89900a45115ff77151c11d902c10029068db2089a37d9130000016ecbb8455a0000040300483046022100ad907f666cda3db7b1798eec52bd8ecdcaa4bc877da8bc5c6f504d7d79143202022100a79dc32b83a4ab0a5050c9f0ce1766ee11314db0c79d7dcddf2b92d146db53cb . . . . [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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