learn5.open.ac.uk

Issued by TERENA SSL CA

About this certificate


This digital certificate with serial number aa:ac:1d:96:67:93:3f:6c:db:52:a3:95:c2:e7:17:ce was issued on by TERENA .

While the certificate has already expired and will cause a warning or error message in the browser it's still listed on this site to allow you to look back on previously issued certificates.

learn5.open.ac.uk

Organization unit: Domain Control Validated

TERENA

Organization: TERENA

Time since certificate expired

This certificate has expire since

Certificate Details

Serial Number (hex): aa:ac:1d:96:67:93:3f:6c:db:52:a3:95:c2:e7:17:ce
Serial Number (int): 226862434449261539408069926339790444494
Serial Number lenght: 128 bits, 16 octets

SubjectKeyId: 5a:96:4e:3a:0c:eb:59:ff:b8:86:5c:28:d8:44:ac:88:bf:88:98:db
AuthorityKeyId: 0c:bd:93:68:0c:f3:de:ab:a3:49:6b:2b:37:57:47:ea:90:e3:b9:ed

Fingerprint (sha1): 88:13:cf:95:68:0a:bc:b2:e1:a1:83:a7:e3:27:ed:cd:e0:a7:98:dc
Fingerprint (sha256): e2:fa:0b:95:f7:65:8a:8b:e1:bf:d3:69:99:d2:7b:ec:77:82:85:5b:86:e3:be:f7:46:e5:6b:b0:2b:c0:73:6d

Issuing Certificate URL: http://crt.tcs.terena.org/TERENASSLCA.crt

Revocation information

OCSP Server: http://ocsp.tcs.terena.org
CRL Distribution Point: http://crl.tcs.terena.org/TERENASSLCA.crl

Check the revocation status for the current certificate on learn5.open.ac.uk
1
DNS Names
0
Email Addresses
0
IP Addresses

Advanced Certificate Properties

Technical details about this certificate


Public Key Algorithm

RSA

Key Size

2048

Signature Algorithm

SHA1 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

This certificate doesn't contain any other subject alternative names besides the common name of the subject: learn5.open.ac.uk

Certificate

The complete raw certificate details in PEM and ASN.1 format.

Certificate (PEM)

-----BEGIN CERTIFICATE----- MIIEcDCCA1igAwIBAgIRAKqsHZZnkz9s21KjlcLnF84wDQYJKoZIhvcNAQEFBQAw NjELMAkGA1UEBhMCTkwxDzANBgNVBAoTBlRFUkVOQTEWMBQGA1UEAxMNVEVSRU5B IFNTTCBDQTAeFw0xMzAyMjgwMDAwMDBaFw0xNjAyMjgyMzU5NTlaMD8xITAfBgNV BAsTGERvbWFpbiBDb250cm9sIFZhbGlkYXRlZDEaMBgGA1UEAxMRbGVhcm41Lm9w ZW4uYWMudWswggEiMA0GCSqGSIb3DQEBAQUAA4IBDwAwggEKAoIBAQDNTiaI6U/i CUqE9bkhgxCD6NLkn6h5i1ZQkhqG6rYdxl2m7319tvoERkT+ZOTZ51nSxOcbjVMq iZiMTu9OP2lFuPWeFQ+KNGyHgk0K+rngEXQv3H7weHfpPNy+6ZBLwSGr043d1I74 Q+BVWkgjuiZnpNQtQfAxDcSXSihfESXbtj1+WeIsfyZ/FJDyBvo22235zsh8N0JB tLAuKoD2IIsA4BI9N+vlstc8G18vUP7snLJ2JdfJ5G64R0H570XqjeZtj4HO/U8B iZksph+gRDgTpxr5EPXKNaP4ZW7Oj2IfjX4qTKwMpFTl5+Rp6LRepUweqd/JpHcO MHzdD8wbDHvhAgMBAAGjggFuMIIBajAfBgNVHSMEGDAWgBQMvZNoDPPeq6NJays3 V0fqkOO57TAdBgNVHQ4EFgQUWpZOOgzrWf+4hlwo2ESsiL+ImNswDgYDVR0PAQH/ BAQDAgWgMAwGA1UdEwEB/wQCMAAwHQYDVR0lBBYwFAYIKwYBBQUHAwEGCCsGAQUF BwMCMCIGA1UdIAQbMBkwDQYLKwYBBAGyMQECAh0wCAYGZ4EMAQIBMDoGA1UdHwQz MDEwL6AtoCuGKWh0dHA6Ly9jcmwudGNzLnRlcmVuYS5vcmcvVEVSRU5BU1NMQ0Eu Y3JsMG0GCCsGAQUFBwEBBGEwXzA1BggrBgEFBQcwAoYpaHR0cDovL2NydC50Y3Mu dGVyZW5hLm9yZy9URVJFTkFTU0xDQS5jcnQwJgYIKwYBBQUHMAGGGmh0dHA6Ly9v Y3NwLnRjcy50ZXJlbmEub3JnMBwGA1UdEQQVMBOCEWxlYXJuNS5vcGVuLmFjLnVr MA0GCSqGSIb3DQEBBQUAA4IBAQAIuGO2BA2TgnVt5nqC6R1a2qg0xBRuMa8KpATE o7/v1DKfl9PhiksF1lYB1+KOfwmPALsDMUws/C2ji3aY/dd9HaizcWLIwU7qREn9 S3DzXc1nrcKgWxghbNKWijaVgVvu/CTDpvByKMINjxDFjxePQE5VJBzsrrnCw69I gZMg2k4iQhgf2nN8WSgS7aoP7gw7WjvAtjceXBkwVFcLN07hfPHi86QUAH+Bd4fV BlkPgxA5NEBhGGWX6UwyR0R8dqGYVEFMUciY305fyqwDUY/0LPhORFG2mzCGe36K uGlO3kcK4QDy1LK363wKv81ft5QUfe1Wog6B4/gIlafd57pe -----END CERTIFICATE-----

Public Key (PEM)

-----BEGIN PUBLIC KEY----- MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAzU4miOlP4glKhPW5IYMQ g+jS5J+oeYtWUJIahuq2HcZdpu99fbb6BEZE/mTk2edZ0sTnG41TKomYjE7vTj9p Rbj1nhUPijRsh4JNCvq54BF0L9x+8Hh36TzcvumQS8Ehq9ON3dSO+EPgVVpII7om Z6TULUHwMQ3El0ooXxEl27Y9flniLH8mfxSQ8gb6Nttt+c7IfDdCQbSwLiqA9iCL AOASPTfr5bLXPBtfL1D+7JyydiXXyeRuuEdB+e9F6o3mbY+Bzv1PAYmZLKYfoEQ4 E6ca+RD1yjWj+GVuzo9iH41+KkysDKRU5efkaei0XqVMHqnfyaR3DjB83Q/MGwx7 4QIDAQAB -----END PUBLIC KEY-----

ASN1 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 226862434449261539408069926339790444494 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.113549.1.1.5 (sha1WithRSAEncryption) . . . . . . . . . . . . [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 'NL' . . . . . . . . . . . . [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 'TERENA' . . . . . . . . . . . . [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 'TERENA SSL CA' . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2013-02-28 00:00:00 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2016-02-28 23:59:59 +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 2.5.4.11 (organizationalUnitName) . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'Domain Control Validated' . . . . . . . . . . . . [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 'learn5.open.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 25917389979020202484684911393347894301237414804766066301089072226482773760493736059180047020063175869219234325343690584334706458693284339559187256103843966527356330160610275459351601783468115447881623385530248509664127825479965506254542341413330735887158366872393826231637627556565993816134250206776552910421271487273575825308984137685412808866787328708243254038551849429214284830440369097722095036681479181355536618217073853462568840628597940020769952568922796911838137150630191212666629467773771246012823921506664461987824214706276302759994348005357510878563647529325643380136377944552049051915386193341584314760161 . . . . . . . . . . . . . . . . . . . . [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 2.5.29.35 (authorityKeyIdentifier) . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (24 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:0|false] OtherName 0cbd93680cf3deaba3496b2b375747ea90e3b9ed . . . . . . . . . . . . . . . . [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) 5a964e3a0ceb59ffb8865c28d844ac88bf8898db . . . . . . . . . . . . . . . . [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 2.5.29.19 (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 2.5.29.37 (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 2.5.29.32 (certificatePolicies) . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (27 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.4.1.6449.1.2.2.29 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [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 2.5.29.31 (cRLDistributionPoints) . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (51 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:0|true] OtherName . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:0|true] OtherName . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:6|false] IA5String 'http://crl.tcs.terena.org/TERENASSLCA.crl' . . . . . . . . . . . . . . . . [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 (97 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.48.2 (caIssuers) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:6|false] IA5String 'http://crt.tcs.terena.org/TERENASSLCA.crt' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [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.tcs.terena.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 'learn5.open.ac.uk' . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.113549.1.1.5 (sha1WithRSAEncryption) . . . . . . . . [c:0|t:5|false] NULL . . . . [c:0|t:3|false] BIT STRING (2048 bits) 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