mcs-notes2.open.ac.uk

Issued by COMODO High-Assurance Secure Server CA

About this certificate


This digital certificate with serial number 27:27:3b:ac:ae:cd:12:22:78:a6:25:6d:f1:ce:25:7a was issued on by COMODO CA Limited .

With 2 subject alternative names this certificate can be used to secure multiple fqdn's. This certificate is currently not expired, we haven't checked the revocation status of this certificate but you can do this simply on revocationcheck.com.

THE OPEN UNIVERSITY

Organization: THE OPEN UNIVERSITY
Organization unit: InstantSSL
Address: WALTON HALL
Postal code: MK7 6AA
State / Province: BUCKS
Locality: MILTON KEYNES
Country: GB

COMODO CA Limited

Organization: COMODO CA Limited
Postal code: MK7 6AA
State / Province: BUCKS
Locality: MILTON KEYNES
Country: GB

Time untill certificate expires

This certificate will expire on

Certificate Details

Serial Number (hex): 27:27:3b:ac:ae:cd:12:22:78:a6:25:6d:f1:ce:25:7a
Serial Number (int): 52043601756603452363196952068647429498
Serial Number lenght: 126 bits, 16 octets

SubjectKeyId: 5b:96:28:ec:99:3b:1d:41:b8:e0:52:59:c6:38:cc:7e:d3:19:66:9f
AuthorityKeyId: 3f:d5:b5:d0:d6:44:79:50:4a:17:a3:9b:8c:4a:dc:b8:b0:22:64:6b

Fingerprint (sha1): e4:e5:ac:82:45:4e:82:de:ba:42:80:5c:4c:6a:bc:f5:b7:1c:3d:95
Fingerprint (sha256): 70:5b:75:4b:83:d4:03:ed:af:e8:7e:fb:2f:00:18:56:41:7d:3d:66:c1:56:57:0a:f2:27:39:e6:89:15:fb:83

Issuing Certificate URL: http://crt.comodoca.com/COMODOHigh-AssuranceSecureServerCA.crt

Revocation information

OCSP Server: http://ocsp.comodoca.com
CRL Distribution Point: http://crl.comodoca.com/COMODOHigh-AssuranceSecureServerCA.crl

Check the revocation status for the current certificate on mcs-notes2.open.ac.uk
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

mcs-notes2.open.ac.uk
www.mcs-notes2.open.ac.uk

Certificate

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

Certificate (PEM)

-----BEGIN CERTIFICATE----- MIIFqzCCBJOgAwIBAgIQJyc7rK7NEiJ4piVt8c4lejANBgkqhkiG9w0BAQUFADCB iTELMAkGA1UEBhMCR0IxGzAZBgNVBAgTEkdyZWF0ZXIgTWFuY2hlc3RlcjEQMA4G A1UEBxMHU2FsZm9yZDEaMBgGA1UEChMRQ09NT0RPIENBIExpbWl0ZWQxLzAtBgNV BAMTJkNPTU9ETyBIaWdoLUFzc3VyYW5jZSBTZWN1cmUgU2VydmVyIENBMB4XDTEz MDYxMTAwMDAwMFoXDTE4MDYxMDIzNTk1OVowgbAxCzAJBgNVBAYTAkdCMRAwDgYD VQQREwdNSzcgNkFBMQ4wDAYDVQQIEwVCVUNLUzEWMBQGA1UEBxMNTUlMVE9OIEtF WU5FUzEUMBIGA1UECRMLV0FMVE9OIEhBTEwxHDAaBgNVBAoTE1RIRSBPUEVOIFVO SVZFUlNJVFkxEzARBgNVBAsTCkluc3RhbnRTU0wxHjAcBgNVBAMTFW1jcy1ub3Rl czIub3Blbi5hYy51azCCASIwDQYJKoZIhvcNAQEBBQADggEPADCCAQoCggEBAKQr 15rULeNHSO6ibvGKs6HauHdt27lFM26QUSSkLIb3HBjYkadn8GWkn3QTgJG+Au6L 8LPFhrQC0sR6t9yyzNARS4TlV9+MWGrtBe5HvlvmSmjfO2j6u738gpvmxQ5mFg+j 5T01Lintb+dFslSWVOv8Rw3s7FTZ0jyCo7ndSGebgc9e4rc5x3plijl9k+eQc0Ev oNM6uNHwscLy1iVJn5hC/XOTxYm/UqAU4VSlKPRp+hWO4Nq1/tE1i0XNKLAv9L0B UXXh0jVZKNAG7QJI6HmGMjJEkD8XpsN+4u41WNwOnA8w/ajWV/wORCO+jT8EdmBe eNzzz6ZfmsR1SIEmxTsCAwEAAaOCAeQwggHgMB8GA1UdIwQYMBaAFD/VtdDWRHlQ Shejm4xK3LiwImRrMB0GA1UdDgQWBBRblijsmTsdQbjgUlnGOMx+0xlmnzAOBgNV HQ8BAf8EBAMCBaAwDAYDVR0TAQH/BAIwADAdBgNVHSUEFjAUBggrBgEFBQcDAQYI KwYBBQUHAwIwUAYDVR0gBEkwRzA7BgwrBgEEAbIxAQIBAwQwKzApBggrBgEFBQcC ARYdaHR0cHM6Ly9zZWN1cmUuY29tb2RvLmNvbS9DUFMwCAYGZ4EMAQICME8GA1Ud HwRIMEYwRKBCoECGPmh0dHA6Ly9jcmwuY29tb2RvY2EuY29tL0NPTU9ET0hpZ2gt QXNzdXJhbmNlU2VjdXJlU2VydmVyQ0EuY3JsMIGABggrBgEFBQcBAQR0MHIwSgYI KwYBBQUHMAKGPmh0dHA6Ly9jcnQuY29tb2RvY2EuY29tL0NPTU9ET0hpZ2gtQXNz dXJhbmNlU2VjdXJlU2VydmVyQ0EuY3J0MCQGCCsGAQUFBzABhhhodHRwOi8vb2Nz cC5jb21vZG9jYS5jb20wOwYDVR0RBDQwMoIVbWNzLW5vdGVzMi5vcGVuLmFjLnVr ghl3d3cubWNzLW5vdGVzMi5vcGVuLmFjLnVrMA0GCSqGSIb3DQEBBQUAA4IBAQBz 07k7MPVr629pAHegGc9XHPCvSKjDWLBNFGhNMYjey2w66MkIfUHLgvHjghDXAWUn 0HIHSqYlk1xxX/gfSFeOqFUpyNwIuzSdwzNpQIozwM4vwJUDM2e8+zcYUr0ueg21 bFKSQfFt+BouER0mSL44YCChOPKFqmGYoqtWFNBt0bm2++tKWaV/Wl4ksyZr9yrf AiwHlvI3PHiiN5QS3ix9IU/QmGCpXuVv3HhxUeOFQimbOi4ieOp2OFVwuvvMuAU6 ww/cCSsWvrS1T56CiCIa17jaim/WxX8rfG0quYo5FJsnpXgfN56gLW12nrDo3if4 xYQVWvi16xdRLCB1RP1T -----END CERTIFICATE-----

Public Key (PEM)

-----BEGIN PUBLIC KEY----- MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEApCvXmtQt40dI7qJu8Yqz odq4d23buUUzbpBRJKQshvccGNiRp2fwZaSfdBOAkb4C7ovws8WGtALSxHq33LLM 0BFLhOVX34xYau0F7ke+W+ZKaN87aPq7vfyCm+bFDmYWD6PlPTUuKe1v50WyVJZU 6/xHDezsVNnSPIKjud1IZ5uBz17itznHemWKOX2T55BzQS+g0zq40fCxwvLWJUmf mEL9c5PFib9SoBThVKUo9Gn6FY7g2rX+0TWLRc0osC/0vQFRdeHSNVko0AbtAkjo eYYyMkSQPxemw37i7jVY3A6cDzD9qNZX/A5EI76NPwR2YF543PPPpl+axHVIgSbF OwIDAQAB -----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 52043601756603452363196952068647429498 . . . . . . . . [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 'COMODO High-Assurance Secure Server CA' . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2013-06-11 00:00:00 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2018-06-10 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 'MK7 6AA' . . . . . . . . . . . . [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 'BUCKS' . . . . . . . . . . . . [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 'MILTON KEYNES' . . . . . . . . . . . . [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 'WALTON HALL' . . . . . . . . . . . . [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 'THE OPEN UNIVERSITY' . . . . . . . . . . . . [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 'InstantSSL' . . . . . . . . . . . . [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 'mcs-notes2.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 20724701412101664317606393923295636640694251144482673773900173442386176953132139709810026584165315903121901278029707050563115321749391164732767734407802886477964363176028086645272502590378539492095027932275748847344189967345656008394979208484877894569690827331039306781499686142532654470527635416285347799579675433741206962854244816837653937435335626138704861731484455497545987074214292950127464688002468710049756563178100495111562611491030056785101193351380148913488766038058485586289649262059110890598769821640979861973048231275316919722955931918816172476020214144692203513842160791503030196032755829657912593532219 . . . . . . . . . . . . . . . . . . . . [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 3fd5b5d0d64479504a17a39b8c4adcb8b022646b . . . . . . . . . . . . . . . . [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) 5b9628ec993b1d41b8e05259c638cc7ed319669f . . . . . . . . . . . . . . . . [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 (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 1.3.6.1.4.1.6449.1.2.1.3.4 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [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://secure.comodo.com/CPS' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [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 (72 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/COMODOHigh-AssuranceSecureServerCA.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 (116 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/COMODOHigh-AssuranceSecureServerCA.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 (52 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'mcs-notes2.open.ac.uk' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.mcs-notes2.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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