library.ahdb.org.uk

Issued by Alpha CA

About this certificate


This digital certificate with serial number 01:00:00:00:00:01:2c:9c:71:fb:d2 was issued on by Alpha .

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.

Cerificate errors/warnings *beta

  • WARNING: Certificate contains unknown extension ([2.16.840.1.113730.1.1])
  • ERROR: localityName or stateOrProvinceName is required if organizationName is set
  • ERROR: stateOrProvinceName is required if organizationName is set

library.ahdb.org.uk

Organization: library.ahdb.org.uk
Organization unit: Domain Control Validated
Country: GB

Alpha

Organization: Alpha
Organization unit: Alpha CA
Country: GB

Time since certificate expired

This certificate has expire since

Certificate Details

Serial Number (hex): 01:00:00:00:00:01:2c:9c:71:fb:d2
Serial Number (int): 1208925819615920289610706
Serial Number lenght: 81 bits, 11 octets

SubjectKeyId: 0f:1a:2c:16:bb:da:e7:97:8a:d8:0e:ec:11:d9:60:2f:47:72:f0:00
AuthorityKeyId: 0a:29:fa:ad:af:4d:fd:fd:5d:7d:76:26:87:ab:aa:5a:aa:74:22:15

Fingerprint (sha1): 25:56:3a:f3:fb:cd:35:47:20:0d:4e:eb:0a:4d:74:3e:e5:9d:71:1b
Fingerprint (sha256): 4b:d2:c0:da:b0:e2:fb:f2:cc:ad:a6:17:ff:e3:06:55:c6:af:05:d4:9f:b9:5e:a3:10:38:ea:e4:fe:f1:97:2c

Issuing Certificate URL: http://secure.alphassl.com/cacert/AlphaSSLdv1.crt

Revocation information

CRL Distribution Point: http://crl.alphassl.com/Alpha.crl

Check the revocation status for the current certificate on library.ahdb.org.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

10 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: library.ahdb.org.uk

Certificate

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

Certificate (PEM)

-----BEGIN CERTIFICATE----- MIIEqTCCA5GgAwIBAgILAQAAAAABLJxx+9IwDQYJKoZIhvcNAQEFBQAwNjERMA8G A1UECxMIQWxwaGEgQ0ExDjAMBgNVBAoTBUFscGhhMREwDwYDVQQDEwhBbHBoYSBD QTAeFw0xMDExMzAxMDQxMDlaFw0xMTEyMDExMDQxMDdaMGwxCzAJBgNVBAYTAkdC MSEwHwYDVQQLExhEb21haW4gQ29udHJvbCBWYWxpZGF0ZWQxHDAaBgNVBAoTE2xp YnJhcnkuYWhkYi5vcmcudWsxHDAaBgNVBAMTE2xpYnJhcnkuYWhkYi5vcmcudWsw ggEiMA0GCSqGSIb3DQEBAQUAA4IBDwAwggEKAoIBAQDgnvYCILf7dkvnw2jMgKTn thB15yR7CFDVJV1PjQU0f8yPdwHQxkPxcpe7RQ/w/UUJrud+D5yVpTWN63iBgAUn Qg7GFiWUWZ38y+wxYm6mOHRH7xRyo3Wf+4x27E0bRx8eUqvb+oGdNts1vG310r6o VnLtIhOkw7UuIhMB9PTK/M+4yVcEOhpOuYFSLKspBJVlwq4IVeDssYR9XQ/YVbhu xuJv8gCl11okuT9tcJIn754K22649NCNpVFzttm/9KufNGvnbuSVH2hX0AZI29wU lg22GR9PtvM8AjDBSaTlS4oJdimlhBqX57TIaLdEMU5Jt4Aw+ycGgtCBHwT+cwzd AgMBAAGjggGAMIIBfDAfBgNVHSMEGDAWgBQKKfqtr039/V19diaHq6paqnQiFTBN BggrBgEFBQcBAQRBMD8wPQYIKwYBBQUHMAKGMWh0dHA6Ly9zZWN1cmUuYWxwaGFz c2wuY29tL2NhY2VydC9BbHBoYVNTTGR2MS5jcnQwMgYDVR0fBCswKTAnoCWgI4Yh aHR0cDovL2NybC5hbHBoYXNzbC5jb20vQWxwaGEuY3JsMB0GA1UdDgQWBBQPGiwW u9rnl4rYDuwR2WAvR3LwADAJBgNVHRMEAjAAMA4GA1UdDwEB/wQEAwIFoDAdBgNV HSUEFjAUBggrBgEFBQcDAQYIKwYBBQUHAwIwSgYDVR0gBEMwQTA/BgorBgEEAaAy AQoKMDEwLwYIKwYBBQUHAgEWI2h0dHA6Ly93d3cuYWxwaGFzc2wuY29tL3JlcG9z aXRvcnkvMBEGCWCGSAGG+EIBAQQEAwIGwDAeBgNVHREEFzAVghNsaWJyYXJ5LmFo ZGIub3JnLnVrMA0GCSqGSIb3DQEBBQUAA4IBAQAixq4ilIiQTtRkq6NUDmc37B1G ZVdsNVIRqCnkQPes2UAoBkUbD5dMkyr8nD8u/sqqDaiLwjkqV7Zf7UlNM6BaiR3t m+2B/HzYFTriSg9q1i//6/mdqIbkE6401JgLm70ovFkRt/nN5kpsiREY6yXOB7pH lDmFbO6zDSU63t5wGedx5H25yjVh7aIrF7TY5Hs5aMoTdnEvzoEFpna5wvWc/isz KsPZ1hPeyQXhklqryZoHcBcZ5rqNYle6II/bl/SrC01vhiUSQu0wsZS3ZQxDf1AK x8M8PFXEtiy7zjpFfdUaAXiRKRQmAsy+uJ6K4YubABnzjzWYHqMwOzBNghoC -----END CERTIFICATE-----

Public Key (PEM)

-----BEGIN PUBLIC KEY----- MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA4J72AiC3+3ZL58NozICk 57YQdeckewhQ1SVdT40FNH/Mj3cB0MZD8XKXu0UP8P1FCa7nfg+claU1jet4gYAF J0IOxhYllFmd/MvsMWJupjh0R+8UcqN1n/uMduxNG0cfHlKr2/qBnTbbNbxt9dK+ qFZy7SITpMO1LiITAfT0yvzPuMlXBDoaTrmBUiyrKQSVZcKuCFXg7LGEfV0P2FW4 bsbib/IApddaJLk/bXCSJ++eCttuuPTQjaVRc7bZv/SrnzRr527klR9oV9AGSNvc FJYNthkfT7bzPAIwwUmk5UuKCXYppYQal+e0yGi3RDFOSbeAMPsnBoLQgR8E/nMM 3QIDAQAB -----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 1208925819615920289610706 . . . . . . . . [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 2.5.4.11 (organizationalUnitName) . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'Alpha CA' . . . . . . . . . . . . [c:0|t:17|true] SET, SET OF . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.4.10 (organizationName) . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'Alpha' . . . . . . . . . . . . [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 'Alpha CA' . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2010-11-30 10:41:09 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2011-12-01 10:41:07 +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 2.5.4.11 (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 2.5.4.10 (organizationName) . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'library.ahdb.org.uk' . . . . . . . . . . . . [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 'library.ahdb.org.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 28355766888195924398464952516164229506988212438750368587354420975790514513960373560960053635981041819780242943356098053377626104582238139749340093189826066625061615536599107282086962574593484286261323036347810394491920444199879773309322652310354963619858925991740367491859594186204274647236692834435070524383108948676579674813803053047603649563599922895788195966382502312198156322972614109766105898878409184706685587021277569494181881945642951906401500631562334708713953541788210327692925009300865866467550812077584822451357087596924881171803406157245157775494825709826881344057192968594155625076674915277911079718109 . . . . . . . . . . . . . . . . . . . . [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 0a29faadaf4dfdfd5d7d762687abaa5aaa742215 . . . . . . . . . . . . . . . . [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 (65 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.alphassl.com/cacert/AlphaSSLdv1.crt' . . . . . . . . . . . . . . . . [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 (43 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.alphassl.com/Alpha.crl' . . . . . . . . . . . . . . . . [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) 0f1a2c16bbdae7978ad80eec11d9602f4772f000 . . . . . . . . . . . . . . . . [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 2.5.29.15 (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 2.5.29.37 (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 (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 1.3.6.1.4.1.4146.1.10.10 (Domain Validation Certificates Policy - AlphaSSL) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [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.alphassl.com/repository/' . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.16.840.1.113730.1.1 (netscape-cert-type) . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (4 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:3|false] BIT STRING (2 bits) 06c0 . . . . . . . . . . . . . . . . [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 'library.ahdb.org.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) 0022c6ae229488904ed464aba3540e6737ec1d4665576c355211a829e440f7acd9402806451b0f974c932afc9c3f2efecaaa0da88bc2392a57b65fed494d33a05a891ded9bed81fc7cd8153ae24a0f6ad62fffebf99da886e413ae34d4980b9bbd28bc5911b7f9cde64a6c891118eb25ce07ba479439856ceeb30d253adede7019e771e47db9ca3561eda22b17b4d8e47b3968ca1376712fce8105a676b9c2f59cfe2b332ac3d9d613dec905e1925aabc99a07701719e6ba8d6257ba208fdb97f4ab0b4d6f86251242ed30b194b7650c437f500ac7c33c3c55c4b62cbbce3a457dd51a01789129142602ccbeb89e8ae18b9b0019f38f35981ea3303b304d821a02