cambridgeopencollege.org

Issued by PositiveSSL CA

About this certificate


This digital certificate with serial number 8e:6b:79:82:7c:ce:12:29:6a:a1:d7:d0:17:6a:d7:c5 was issued on by Comodo CA Limited .

With 2 subject alternative names this certificate can be used to secure multiple fqdn's. 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.

cambridgeopencollege.org

Organization unit: Domain Control Validated
Organization unit: Provided by New Dream Network, LLC
Organization unit: DreamHost Basic SSL

Comodo CA Limited

Organization: Comodo CA Limited

Time since certificate expired

This certificate has expire since

Certificate Details

Serial Number (hex): 8e:6b:79:82:7c:ce:12:29:6a:a1:d7:d0:17:6a:d7:c5
Serial Number (int): 189308415675169714918362810980739241925
Serial Number lenght: 128 bits, 16 octets

SubjectKeyId: a3:29:34:04:9c:f9:45:39:4e:fb:ba:25:49:2e:38:7f:43:d3:9a:36
AuthorityKeyId: b8:ca:11:e9:06:31:79:db:c3:94:c6:e8:19:2a:bc:bb:35:16:31:a4

Fingerprint (sha1): 4a:1f:79:a4:ab:cb:35:a4:47:8c:c9:35:1e:25:7e:33:1f:23:65:a5
Fingerprint (sha256): 02:7f:b8:bf:d8:e7:a2:b6:58:85:bd:79:dd:94:e0:a8:2d:88:63:47:4c:80:ad:c4:e5:ec:2a:9e:6b:53:70:a7

Issuing Certificate URL: http://crt.comodoca.com/PositiveSSLCA.crt

Revocation information

OCSP Server: http://ocsp.comodoca.com
CRL Distribution Point: http://crl.comodoca.com/PositiveSSLCA.crl
CRL Distribution Point: http://crl.comodo.net/PositiveSSLCA.crl

Check the revocation status for the current certificate on cambridgeopencollege.org
2
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

cambridgeopencollege.org
www.cambridgeopencollege.org

Certificate

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

Certificate (PEM)

-----BEGIN CERTIFICATE----- MIIFdDCCBFygAwIBAgIRAI5reYJ8zhIpaqHX0Bdq18UwDQYJKoZIhvcNAQEFBQAw cTELMAkGA1UEBhMCR0IxGzAZBgNVBAgTEkdyZWF0ZXIgTWFuY2hlc3RlcjEQMA4G A1UEBxMHU2FsZm9yZDEaMBgGA1UEChMRQ29tb2RvIENBIExpbWl0ZWQxFzAVBgNV BAMTDlBvc2l0aXZlU1NMIENBMB4XDTExMDQxNDAwMDAwMFoXDTEyMDQxMzIzNTk1 OVowgZExITAfBgNVBAsTGERvbWFpbiBDb250cm9sIFZhbGlkYXRlZDErMCkGA1UE CxMiUHJvdmlkZWQgYnkgTmV3IERyZWFtIE5ldHdvcmssIExMQzEcMBoGA1UECxMT RHJlYW1Ib3N0IEJhc2ljIFNTTDEhMB8GA1UEAxMYY2FtYnJpZGdlb3BlbmNvbGxl Z2Uub3JnMIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAp8Ag98TVkrDb fb8B8kCRpwj16j593aLeQwN8/6DX7NtK+N9mjQ11jsRoz6j3+qSWLpBpO6Jz5KLH 0+v1C2Ml1UKqpulciftmtwVAOQ01hhUrVNshw/+x2TjeVkjrQ9pNnE6ZQ902ymsU uOWkXyte/XHOxOnloIG0XXDVg7K1cR5HblZuNAYYdxf9Ubyp3fNSpcZoCJdn3iKk hhAamia9AnafT7uUR3E9yyXxyb9Zsr29fHBVuYoGSXubTmrax5QGIRrxr7P7Xann aDcJs6b+WTt+3Ydjwnj3FEbWsPxL4Bbby0qCnop47WPDM1ECuvXKsd8f/QNGS4lp tcduZWBcPwIDAQABo4IB5DCCAeAwHwYDVR0jBBgwFoAUuMoR6QYxedvDlMboGSq8 uzUWMaQwHQYDVR0OBBYEFKMpNASc+UU5Tvu6JUkuOH9D05o2MA4GA1UdDwEB/wQE AwIFoDAMBgNVHRMBAf8EAjAAMB0GA1UdJQQWMBQGCCsGAQUFBwMBBggrBgEFBQcD AjBGBgNVHSAEPzA9MDsGCysGAQQBsjEBAgIHMCwwKgYIKwYBBQUHAgEWHmh0dHA6 Ly93d3cucG9zaXRpdmVzc2wuY29tL0NQUzBpBgNVHR8EYjBgMC+gLaArhilodHRw Oi8vY3JsLmNvbW9kb2NhLmNvbS9Qb3NpdGl2ZVNTTENBLmNybDAtoCugKYYnaHR0 cDovL2NybC5jb21vZG8ubmV0L1Bvc2l0aXZlU1NMQ0EuY3JsMGsGCCsGAQUFBwEB BF8wXTA1BggrBgEFBQcwAoYpaHR0cDovL2NydC5jb21vZG9jYS5jb20vUG9zaXRp dmVTU0xDQS5jcnQwJAYIKwYBBQUHMAGGGGh0dHA6Ly9vY3NwLmNvbW9kb2NhLmNv bTBBBgNVHREEOjA4ghhjYW1icmlkZ2VvcGVuY29sbGVnZS5vcmeCHHd3dy5jYW1i cmlkZ2VvcGVuY29sbGVnZS5vcmcwDQYJKoZIhvcNAQEFBQADggEBACweIJqFKW2J t+m+bJ2rUpeEZ8qOcZQHH4U1qQIPBNfetSuMpD2p2D4IU4YynVqzekSJ1Rrc8yFy TiZyWH9tmbOhE75Ja6vV8OAJzOiVzSGH3COgo2eiwejLGxsFTLW6NFEgbx168cIp RrQqqheE+GGpFAJKGsrrjUFqNSOdk6VgIVVcjX4WYyv+xkeWFWttSh0KWeyK01XX YybbK3L/OlPMsb2ApkINEfFMvFurhC61cSIpfQNXzcy/lMwmeXHdduwambTpfvFH meOmT3WD6wDgMJfxe8E8wHJk7L2rrYqBV4GiaPPmcnNuwgEFZhtFmjYmcS1kwfaP cOJ0uFJL3Lc= -----END CERTIFICATE-----

Public Key (PEM)

-----BEGIN PUBLIC KEY----- MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAp8Ag98TVkrDbfb8B8kCR pwj16j593aLeQwN8/6DX7NtK+N9mjQ11jsRoz6j3+qSWLpBpO6Jz5KLH0+v1C2Ml 1UKqpulciftmtwVAOQ01hhUrVNshw/+x2TjeVkjrQ9pNnE6ZQ902ymsUuOWkXyte /XHOxOnloIG0XXDVg7K1cR5HblZuNAYYdxf9Ubyp3fNSpcZoCJdn3iKkhhAamia9 AnafT7uUR3E9yyXxyb9Zsr29fHBVuYoGSXubTmrax5QGIRrxr7P7XannaDcJs6b+ WTt+3Ydjwnj3FEbWsPxL4Bbby0qCnop47WPDM1ECuvXKsd8f/QNGS4lptcduZWBc PwIDAQAB -----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 189308415675169714918362810980739241925 . . . . . . . . [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 'GB' . . . . . . . . . . . . [c:0|t:17|true] SET, SET OF . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.4.8 (stateOrProvinceName) . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'Greater Manchester' . . . . . . . . . . . . [c:0|t:17|true] SET, SET OF . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.4.7 (localityName) . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'Salford' . . . . . . . . . . . . [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 'Comodo CA Limited' . . . . . . . . . . . . [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 'PositiveSSL CA' . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2011-04-14 00:00:00 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2012-04-13 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 2.5.4.11 (organizationalUnitName) . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'Provided by New Dream Network, LLC' . . . . . . . . . . . . [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 'DreamHost Basic SSL' . . . . . . . . . . . . [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 'cambridgeopencollege.org' . . . . . . . . [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 21176539162163225307113337512160453747118730437383774651738411867400326508959393535006272541595652030665881980133302063846145412165235139860878195073210868990525841216956933848819570343766631563923737422085591185811893012307284072008261281442496750935029634481980557233062385804562069017887116164391922777196149518935280279898790440340215832084160866857681133197197316635102335421475471301538478842653134014490821340259593603247638355394615915972537879965720948349484907496077927773038467006448139232751642891993486963642739494311031765544601191003543952020360325696056605251470338127383673387845644182132423632378943 . . . . . . . . . . . . . . . . . . . . [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 b8ca11e9063179dbc394c6e8192abcbb351631a4 . . . . . . . . . . . . . . . . [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) a32934049cf945394efbba25492e387f43d39a36 . . . . . . . . . . . . . . . . [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 (63 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.4.1.6449.1.2.2.7 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [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://www.positivessl.com/CPS' . . . . . . . . . . . . . . . . [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 (98 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.comodoca.com/PositiveSSLCA.crl' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [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.comodo.net/PositiveSSLCA.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 (95 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.comodoca.com/PositiveSSLCA.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.comodoca.com' . . . . . . . . . . . . . . . . [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 (58 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'cambridgeopencollege.org' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.cambridgeopencollege.org' . . . . [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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