www.greenhead.ac.uk

- Greenhead College -

Issued by Cybertrust Educational CA

About this certificate

This digital certificate with serial number 01:00:00:00:00:01:13:0b:70:1b:b1 was issued on by Cybertrust.

This 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. If we have found any compliance issues with this certificate they will be shown below. I hope this certificate review is providing you the detailed information in a simple form you where looking for.


We have idenified some issues with this certificate:

Greenhead College

Organization: Greenhead College
Organization unit: Network Management
State / Province: West Yorkshire
Locality: Huddersfield
Country: GB

Cybertrust

Organization: Cybertrust
Organization unit: Educational CA
Country: BE

This certificate has expire since

Certificate Details

Serial Number (hex): 01:00:00:00:00:01:13:0b:70:1b:b1
Serial Number (int): 1208925819615810482609073
Serial Number lenght: 81 bits, 11 octets

SubjectKeyId: 90:03:31:75:62:7d:f1:54:33:e2:f8:fb:1f:c5:63:45:5a:51:d1:02
AuthorityKeyId: 65:65:a3:3d:d7:3b:11:a3:0a:07:25:37:c9:42:4a:5b:76:77:50:e1

Fingerprint (sha1): 1a:5f:cd:3f:fd:03:bf:3a:da:eb:e0:65:39:d4:8e:8a:f3:6f:7f:5a
Fingerprint (sha256): 93:6d:05:2e:96:ca:1e:07:a1:5e:91:c1:21:42:8c:4c:af:c3:fd:49:50:a1:1f:21:00:1e:5e:a2:03:72:f0:2c

Issuing Certificate URL: http://secure.globalsign.net/cacert/educational.crt

Revocation information

CRL Distribution Point: http://crl.globalsign.net/educational.crl

Check the revocation status for certificate www.greenhead.ac.uk

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for www.greenhead.ac.uk

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

8 extensions
No unhandled critical extensions

CA Certificate

This is not a CA certificate

Subject Alternative Names

www.greenhead.ac.uk

Other certificates including the domain name greenhead.ac.uk

(limited to 100 certificates)

Certificate

The complete raw certificate details for www.greenhead.ac.uk in PEM and ASN.1 format.

Certificate (PEM)

-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAtP328QXxli5JTL4BtiDO
azzKca4JQFNW/KGic4cEBXU2nuPpaKJqzOFMmnLBgxxIZOlJLDSIRrFa7somoB5z
88uPDYS4ER2vbQQHpqXXwtLKLOdYp9BXw3JtD3g7m3tjHL2P8RwMQVT+BCBwFdZl
+dLXz3zhvhDIqj/ZRN1wAD9+uyvwGMcdNbIUZ3ZplxRVA7ajTbqeq0t1U6m0ZHen
VHpHufZejIi931ESsXikwVa5K+EAkeorJdAb+UzsAS2DbCJ+obmnae2MBqf78dZm
ANV5nyCOFmavR4Bl6V3vaqgmPc5G1QDP6cXKjy3RUqkYmypsdQXMwBzOct/LIzT1
6QIDAQAB
-----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 1208925819615810482609073
 . . . . . . . . [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 'Cybertrust'
 . . . . . . . . . . . . [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 'Educational CA'
 . . . . . . . . . . . . [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 'Cybertrust Educational CA'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2007-06-08 13:05:02 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2010-06-08 13:05:02 +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 'West Yorkshire'
 . . . . . . . . . . . . [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 'Huddersfield'
 . . . . . . . . . . . . [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 'Greenhead College'
 . . . . . . . . . . . . [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 'Network Management'
 . . . . . . . . . . . . [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.greenhead.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 22848129513214917700767669851678512672575209277656377562163710033707093157348373312888587005557748831530541612571473302263071152781453555744451057116591016345951830733746504156006987617950547599205701989514370999738751535324500623376144399229595312778876196894080574834943438966567860409914021052297343088680261886208276779663100689581533865563454752491945113309907260345633156197970767353716852698598526689008449744218371890964675173468684956803061378291943536810684851093620916710025070795664543140276126451363349757722116566498823985493863329968721484694078166204073435423063169716226302166547560377509885804606953
 . . . . . . . . . . . . . . . . . . . . [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 2.5.29.32 (certificatePolicies)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (73 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.6334.1.0
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [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.globalsign.net/repository/cps.cfm'
 . . . . . . . . . . . . . . . . [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 2.5.29.35 (authorityKeyIdentifier)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (24 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:0|false] OtherName 6565a33dd73b11a30a072537c9424a5b767750e1
 . . . . . . . . . . . . . . . . [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)
							90033175627df15433e2f8fb1fc563455a51d102
 . . . . . . . . . . . . . . . . [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.globalsign.net/educational.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 (67 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.net/cacert/educational.crt'
 . . . . . . . . . . . . . . . . [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 2.5.29.17 (subjectAltName)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (23 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.greenhead.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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