blogs.city.ac.uk

Issued by GlobalSign Organization Validation CA - G2

About this certificate


This digital certificate with serial number 11:21:66:7e:b5:c8:fc:e0:59:4c:36:ac:b6:14:cf:6a:fe:c4 was issued on by GlobalSign nv-sa .

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.

City University, London

Organization: City University, London
State / Province: London
Locality: London
Country: GB

GlobalSign nv-sa

Organization: GlobalSign nv-sa
State / Province: London
Locality: London
Country: GB

Time since certificate expired

This certificate has expire since

Certificate Details

Serial Number (hex): 11:21:66:7e:b5:c8:fc:e0:59:4c:36:ac:b6:14:cf:6a:fe:c4
Serial Number (int): 1492274418120329431301575332887379623739076
Serial Number lenght: 141 bits, 18 octets

SubjectKeyId: bf:09:f9:11:fe:c7:cb:a4:ee:42:96:60:84:30:9a:2f:7e:c3:d1:d4
AuthorityKeyId: 5d:46:b2:8d:c4:4b:74:1c:bb:ed:f5:73:b6:3a:b7:38:8f:75:9e:7e

Fingerprint (sha1): f2:ba:df:18:76:16:71:cf:b3:36:8f:cc:0d:a1:9a:39:9d:44:87:b2
Fingerprint (sha256): 90:22:d5:81:0b:e2:28:d8:65:3f:06:bd:c0:9f:7f:8d:8e:2d:d1:77:fb:e0:22:f8:c3:26:46:90:e5:a3:dd:05

Issuing Certificate URL: http://secure.globalsign.com/cacert/gsorganizationvalg2.crt

Revocation information

OCSP Server: http://ocsp2.globalsign.com/gsorganizationvalg2
CRL Distribution Point: http://crl.globalsign.com/gs/gsorganizationvalg2.crl

Check the revocation status for the current certificate on blogs.city.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: blogs.city.ac.uk

Certificate

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

Certificate (PEM)

-----BEGIN CERTIFICATE----- MIIFIDCCBAigAwIBAgISESFmfrXI/OBZTDasthTPav7EMA0GCSqGSIb3DQEBBQUA MF0xCzAJBgNVBAYTAkJFMRkwFwYDVQQKExBHbG9iYWxTaWduIG52LXNhMTMwMQYD VQQDEypHbG9iYWxTaWduIE9yZ2FuaXphdGlvbiBWYWxpZGF0aW9uIENBIC0gRzIw HhcNMTIwNjAxMTAzMDAyWhcNMTMwNjAyMTAzMDAyWjBsMQswCQYDVQQGEwJHQjEP MA0GA1UECBMGTG9uZG9uMQ8wDQYDVQQHEwZMb25kb24xIDAeBgNVBAoTF0NpdHkg VW5pdmVyc2l0eSwgTG9uZG9uMRkwFwYDVQQDExBibG9ncy5jaXR5LmFjLnVrMIIB IjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAnen/BCUmGeoM5EcrJoBAv5Uc UNxrLFJgYfbg9Ak1ty1ueDHm4oTJiY5e/O3xj0/VqcKG4ZxU78I+zfUcPU7IoWKP VBTWfqch0nkfGG7LIoEU+kUKxrLUz2rXiRBlXp7SSBosmRzFhxj5AgkjAt4y0Edv nketK084Z0DcuPILxRSwe5qz4+HHV9kT0MiRU5zKNpevsh9DxefvwVTbc8+5im5b grH/opn0XfXtf7asplfLbZq108WymyFJvOx2NCzscHMs7QvzQOlLIEH49MP0rJKN 1eP3XAmx2VIb/2WkdIP0BKUB0eQfGSDA4DRdSltvRacVClrS2IS5GkpE4ZOk0wID AQABo4IByTCCAcUwDgYDVR0PAQH/BAQDAgWgMEwGA1UdIARFMEMwQQYJKwYBBAGg MgEUMDQwMgYIKwYBBQUHAgEWJmh0dHBzOi8vd3d3Lmdsb2JhbHNpZ24uY29tL3Jl cG9zaXRvcnkvMBsGA1UdEQQUMBKCEGJsb2dzLmNpdHkuYWMudWswCQYDVR0TBAIw ADAdBgNVHSUEFjAUBggrBgEFBQcDAQYIKwYBBQUHAwIwRQYDVR0fBD4wPDA6oDig NoY0aHR0cDovL2NybC5nbG9iYWxzaWduLmNvbS9ncy9nc29yZ2FuaXphdGlvbnZh bGcyLmNybDCBlgYIKwYBBQUHAQEEgYkwgYYwRwYIKwYBBQUHMAKGO2h0dHA6Ly9z ZWN1cmUuZ2xvYmFsc2lnbi5jb20vY2FjZXJ0L2dzb3JnYW5pemF0aW9udmFsZzIu Y3J0MDsGCCsGAQUFBzABhi9odHRwOi8vb2NzcDIuZ2xvYmFsc2lnbi5jb20vZ3Nv cmdhbml6YXRpb252YWxnMjAdBgNVHQ4EFgQUvwn5Ef7Hy6TuQpZghDCaL37D0dQw HwYDVR0jBBgwFoAUXUayjcRLdBy77fVztjq3OI91nn4wDQYJKoZIhvcNAQEFBQAD ggEBAJJ3bbrUfR0lmW27PE+XBvm23lDnM4ozUK2PZUzkgomhwUQWwMFM7GG1gy22 5L+g2j1giWy1Of38Z6EQcA237bqhgR2N3rRBIhJENOHn2KrG2mrdB022VT6ee0V5 m/9l+voWJ7/L1N7QJk2EsV+f1CVS5pFxVMM4XQJO6bH5zK9ehfTwAP5dvz85c2E4 uDlbNyKpYEHqBRNoZbF7Atj/FrKriRHPmXbXP7rVUGuDmbWPRucY2DkNZhtGaGY3 ZyesEgMDOg5thhsYKeY+FIFopzFCZqnz+cJ9XCzDiBE8A8Cez178gczsulSM45bl Z2SK9qBysBtQyAjK3FLY5w9MuiU= -----END CERTIFICATE-----

Public Key (PEM)

-----BEGIN PUBLIC KEY----- MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAnen/BCUmGeoM5EcrJoBA v5UcUNxrLFJgYfbg9Ak1ty1ueDHm4oTJiY5e/O3xj0/VqcKG4ZxU78I+zfUcPU7I oWKPVBTWfqch0nkfGG7LIoEU+kUKxrLUz2rXiRBlXp7SSBosmRzFhxj5AgkjAt4y 0EdvnketK084Z0DcuPILxRSwe5qz4+HHV9kT0MiRU5zKNpevsh9DxefvwVTbc8+5 im5bgrH/opn0XfXtf7asplfLbZq108WymyFJvOx2NCzscHMs7QvzQOlLIEH49MP0 rJKN1eP3XAmx2VIb/2WkdIP0BKUB0eQfGSDA4DRdSltvRacVClrS2IS5GkpE4ZOk 0wIDAQAB -----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 1492274418120329431301575332887379623739076 . . . . . . . . [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 'BE' . . . . . . . . . . . . [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 'GlobalSign nv-sa' . . . . . . . . . . . . [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 'GlobalSign Organization Validation CA - G2' . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2012-06-01 10:30:02 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2013-06-02 10:30:02 +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 2.5.4.6 (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 'London' . . . . . . . . . . . . [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 'London' . . . . . . . . . . . . [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 'City University, London' . . . . . . . . . . . . [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 'blogs.city.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 19934801685250015782575877381722913070070771055723560267806585235265648153691860245674975029893026786315413289969837920120592871698441944576610416397200142982166241033919121683469894298189956235448604230392688273224693332990104622689680309654263814122984524204692560415257415586939180369601021468525561800286326681493284160496940670936261833867090109801835059064066126660855541287206685994104915954532600718870019294807646396919742508367429027279193873291532882449805211033944721834642122611874892902861344126896224775371002532357127867348053382665227830955101305414299894409359143869977256471893734070037198031529171 . . . . . . . . . . . . . . . . . . . . [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 2.5.29.32 (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 1.3.6.1.4.1.4146.1.20 (globalsignOVPolicy) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [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 'https://www.globalsign.com/repository/' . . . . . . . . . . . . . . . . [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 (20 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'blogs.city.ac.uk' . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.19 (basicConstraints) . . . . . . . . . . . . . . . . . . . . [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 2.5.29.31 (cRLDistributionPoints) . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (62 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.globalsign.com/gs/gsorganizationvalg2.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 (137 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://secure.globalsign.com/cacert/gsorganizationvalg2.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://ocsp2.globalsign.com/gsorganizationvalg2' . . . . . . . . . . . . . . . . [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) bf09f911fec7cba4ee42966084309a2f7ec3d1d4 . . . . . . . . . . . . . . . . [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 5d46b28dc44b741cbbedf573b63ab7388f759e7e . . . . [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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