mypt.croydon.ac.uk

Issued by TERENA SSL CA

About this certificate


This digital certificate with serial number 58:8b:0b:ac:b0:a7:41:94:42:11:ee:f8:76:ab:50:bd 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.

Croydon College

Organization: Croydon College
Organization unit: IT Services
Address: Fairfield
Address: College Road
Postal code: CR9 1DX
State / Province: London
Locality: CROYDON
Country: GB

TERENA

Organization: TERENA
Postal code: CR9 1DX
State / Province: London
Locality: CROYDON
Country: GB

Time since certificate expired

This certificate has expire since

Certificate Details

Serial Number (hex): 58:8b:0b:ac:b0:a7:41:94:42:11:ee:f8:76:ab:50:bd
Serial Number (int): 117694029680830092506874223439463010493
Serial Number lenght: 127 bits, 16 octets

SubjectKeyId: 45:f0:90:7e:82:3d:9e:84:4d:82:4f:36:6c:0d:2e:72:7a:b5:b4:54
AuthorityKeyId: 0c:bd:93:68:0c:f3:de:ab:a3:49:6b:2b:37:57:47:ea:90:e3:b9:ed

Fingerprint (sha1): 1c:f1:7f:76:36:10:f4:89:75:12:55:11:ba:e4:48:0e:6d:a4:57:63
Fingerprint (sha256): 62:6b:4d:6a:9a:7b:d6:cd:5d:31:6e:ed:21:47:0d:c5:eb:d6:48:dd:45:6f:4f:00:53:fd:ad:2a:e9:11:66:b2

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 mypt.croydon.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

4096

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: mypt.croydon.ac.uk

Certificate

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

Certificate (PEM)

-----BEGIN CERTIFICATE----- MIIF7DCCBNSgAwIBAgIQWIsLrLCnQZRCEe74dqtQvTANBgkqhkiG9w0BAQUFADA2 MQswCQYDVQQGEwJOTDEPMA0GA1UEChMGVEVSRU5BMRYwFAYDVQQDEw1URVJFTkEg U1NMIENBMB4XDTEzMDgxOTAwMDAwMFoXDTE2MDgxODIzNTk1OVowgboxCzAJBgNV BAYTAkdCMRAwDgYDVQQREwdDUjkgMURYMQ8wDQYDVQQIEwZMb25kb24xEDAOBgNV BAcTB0NST1lET04xEjAQBgNVBAkTCUZhaXJmaWVsZDEVMBMGA1UECRMMQ29sbGVn ZSBSb2FkMRgwFgYDVQQKEw9Dcm95ZG9uIENvbGxlZ2UxFDASBgNVBAsTC0lUIFNl cnZpY2VzMRswGQYDVQQDExJteXB0LmNyb3lkb24uYWMudWswggIiMA0GCSqGSIb3 DQEBAQUAA4ICDwAwggIKAoICAQCdoeDEk7f3sndCEzdSgJnZqOxs9qajsGWJ7F8M xCTfPQzPuwmIYaDi/10QwBi2p4/NZ7tDRB6Jf6AlLmC407uDPVW8M19X8ZY/McQz 2dUf96biwAjD8UKz4esid4NxZkwVgKv1SNzaUiWHJHQRFtZCaWJSMalSlRc18H3l QD4B/M3d8Swua2IlSBG7iSR3HvodRcOD8/tPbZMdv6RjSWq5f+sdGI+sdgZ4vYYZ RKcFF0WvpGC6v423sora5XzKr+NjWXHz1uHMNr7nrdGkAbHHmBVnVvtdAtiTZgPV skIf5iIk7gY0uSHxJQ8g+89HYx/37k3J0sMBAQJEJkt9+bmiXOz72lyj0nkuOCAv DMqVhTEnOkvLgd/ewu16wfodDxERpaJXqKH4KpdQQiWqlzvlhvRYWxoEK3DC/TLC uCBT0YKZZXLkAr7Yhipm/0w5rozygFxPhZIPWb84ZpL+EqgE23C/ZxT3FZovJXbh H/MTPuz+HWCom0cVQHvKLwyzWozw4X3l2l/+rb1kx3WT9VQtdiUXNX6zeq5Y0U4g AuhBgWVriiI/hOrpcZu/8SqmmjExgt+h88X2ykEL5+pt6lPviBO+pG8++pUAOMm3 tHY3MjlPtFCk4VTEi+o9tcH+oVIWshTJigdGlO3PY0pKmUa91DZskDxa7jirnX08 fbRxVwIDAQABo4IBbzCCAWswHwYDVR0jBBgwFoAUDL2TaAzz3qujSWsrN1dH6pDj ue0wHQYDVR0OBBYEFEXwkH6CPZ6ETYJPNmwNLnJ6tbRUMA4GA1UdDwEB/wQEAwIF oDAMBgNVHRMBAf8EAjAAMB0GA1UdJQQWMBQGCCsGAQUFBwMBBggrBgEFBQcDAjAi BgNVHSAEGzAZMA0GCysGAQQBsjEBAgIdMAgGBmeBDAECAjA6BgNVHR8EMzAxMC+g LaArhilodHRwOi8vY3JsLnRjcy50ZXJlbmEub3JnL1RFUkVOQVNTTENBLmNybDBt BggrBgEFBQcBAQRhMF8wNQYIKwYBBQUHMAKGKWh0dHA6Ly9jcnQudGNzLnRlcmVu YS5vcmcvVEVSRU5BU1NMQ0EuY3J0MCYGCCsGAQUFBzABhhpodHRwOi8vb2NzcC50 Y3MudGVyZW5hLm9yZzAdBgNVHREEFjAUghJteXB0LmNyb3lkb24uYWMudWswDQYJ KoZIhvcNAQEFBQADggEBAJ2Ge+ctH3sKgHKm1Ko4ABN0/LfFK5GrRQYCF7yM7m7S ScPa9W5HZTVAy6gWmM5xjXc98AzplOvJmUMU8TN3/wO6rsKQt7SEkdhkFb7GJN/e al0/q3GfFdqPCCBX5MgaIpTcWb1k16qfI3M0PCBuGhg0+tZ8wgixsveubj2RYBYI q+HyDOigEgn3lw/oxycSpyquIcX7Ml/C+M/xXkxr+YqOqnEJ+8oMT6n9fOY3oJqg 5jNiSQzDRkIJN6SraxDTYHYzra0SsBG1+Vk4lO4btIo1nj6cZmmSMP+yKMYTPITB vWsNyRYgUb7GKCP1qT9u5fAMM+LPwJaIIHW2xxsD/5E= -----END CERTIFICATE-----

Public Key (PEM)

-----BEGIN PUBLIC KEY----- MIICIjANBgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEAnaHgxJO397J3QhM3UoCZ 2ajsbPamo7BliexfDMQk3z0Mz7sJiGGg4v9dEMAYtqePzWe7Q0QeiX+gJS5guNO7 gz1VvDNfV/GWPzHEM9nVH/em4sAIw/FCs+HrIneDcWZMFYCr9Ujc2lIlhyR0ERbW QmliUjGpUpUXNfB95UA+AfzN3fEsLmtiJUgRu4kkdx76HUXDg/P7T22THb+kY0lq uX/rHRiPrHYGeL2GGUSnBRdFr6Rgur+Nt7KK2uV8yq/jY1lx89bhzDa+563RpAGx x5gVZ1b7XQLYk2YD1bJCH+YiJO4GNLkh8SUPIPvPR2Mf9+5NydLDAQECRCZLffm5 olzs+9pco9J5LjggLwzKlYUxJzpLy4Hf3sLtesH6HQ8REaWiV6ih+CqXUEIlqpc7 5Yb0WFsaBCtwwv0ywrggU9GCmWVy5AK+2IYqZv9MOa6M8oBcT4WSD1m/OGaS/hKo BNtwv2cU9xWaLyV24R/zEz7s/h1gqJtHFUB7yi8Ms1qM8OF95dpf/q29ZMd1k/VU LXYlFzV+s3quWNFOIALoQYFla4oiP4Tq6XGbv/EqppoxMYLfofPF9spBC+fqbepT 74gTvqRvPvqVADjJt7R2NzI5T7RQpOFUxIvqPbXB/qFSFrIUyYoHRpTtz2NKSplG vdQ2bJA8Wu44q519PH20cVcCAwEAAQ== -----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 117694029680830092506874223439463010493 . . . . . . . . [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 2013-08-19 00:00:00 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2016-08-18 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 2.5.4.6 (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 2.5.4.17 (postalCode) . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'CR9 1DX' . . . . . . . . . . . . [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 'CROYDON' . . . . . . . . . . . . [c:0|t:17|true] SET, SET OF . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.4.9 (streetAddress) . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'Fairfield' . . . . . . . . . . . . [c:0|t:17|true] SET, SET OF . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.4.9 (streetAddress) . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'College Road' . . . . . . . . . . . . [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 'Croydon 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 'IT Services' . . . . . . . . . . . . [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 'mypt.croydon.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 (4208 bits) . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:2|false] INTEGER 643083824228045909963214164416301062141077761245934223036970193665651173152143419228416455510092315094409122560283049872062179580272490895747425967877769983391047261136013436764960503003440038657848101957289718498461887313136182110680408147625118256375709305293918160531665940686426747800840042941882541975170277463182084615246140104935641399716409941239450773375767516550720059142755051272355599359626409636642950514829184946851439931687765267853789467370773130922094963432415983000383690310839594490624677882133268145063584995276807546741757336351981141196427273668918128193608366391319413554987749224226313285766589346456909202354248431050189624442493174661410757594984545228265204410335167836717847477517695507811054744404896903581730819675427093064148636566823918559957237701495678380935573785709767156959638949127442771197082874064337996938390123105959079197845766821605385830804488373989439671536429894898272869225494682975428221808631759673413951818672425964693921407272154010742289261865463014988758657880958021800423846754648460439499546613850407441314852931822760729188850455411105795788114371798038474115947105512078156307002362828536293544779088697160498485747026563722665752284355629194525475389802662042696118808375639 . . . . . . . . . . . . . . . . . . . . [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) 45f0907e823d9e844d824f366c0d2e727ab5b454 . . . . . . . . . . . . . . . . [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 2.23.140.1.2.2 (Organization 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 (22 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'mypt.croydon.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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