libguides.leedsbeckett.ac.uk
Issued by Let's Encrypt Authority X3
About this certificate
This digital certificate with serial number 03:09:8d:f9:b3:05:2a:47:16:50:3d:8c:41:fa:ad:f9:26:0e was issued on by Let's Encrypt.
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:
- Subscriber Certificate: commonName is deprecated. (BRs: 7.1.4.2.2)
Certificate Subject
CN=libguides.leedsbeckett.ac.uk
Let's Encrypt
Organization:
Let's Encrypt
Country:
US
This certificate has expire since
Certificate Details
Serial Number (hex): 03:09:8d:f9:b3:05:2a:47:16:50:3d:8c:41:fa:ad:f9:26:0eSerial Number (int): 264588116757853178596939264710959877924366
Serial Number lenght: 138 bits, 18 octets
SubjectKeyId: 4c:b5:3f:39:d0:82:c8:57:ad:29:e2:df:b9:ea:94:26:40:35:b2:69
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1
Fingerprint (sha1): c3:ac:0b:dd:11:48:b7:83:fa:77:b6:a1:c8:d7:2a:05:8a:06:f7:6e
Fingerprint (sha256): 1b:db:bd:3b:7e:a0:a6:b2:24:f3:99:41:f8:96:60:e1:d2:a8:d0:68:e6:af:88:6d:cd:c7:78:1d:ab:5e:29:3e
Issuing Certificate URL: http://cert.int-x3.letsencrypt.org/
Revocation information
OCSP Server: http://ocsp.int-x3.letsencrypt.orgCheck the revocation status for certificate libguides.leedsbeckett.ac.uk
1
DNS Names
0
Email Addresses
0
IP Addresses
Advanced Certificate Properties
Tehnical certificate details for libguides.leedsbeckett.ac.uk
Public Key Algorithm
RSA
Key Size
2048
Signature Algorithm
SHA256 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
libguides.leedsbeckett.ac.uk
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Certificate
The complete raw certificate details for libguides.leedsbeckett.ac.uk in PEM and ASN.1 format.
Certificate (PEM)
-----BEGIN CERTIFICATE----- MIIFcDCCBFigAwIBAgISAwmN+bMFKkcWUD2MQfqt+SYOMA0GCSqGSIb3DQEBCwUA MEoxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MSMwIQYDVQQD ExpMZXQncyBFbmNyeXB0IEF1dGhvcml0eSBYMzAeFw0yMDAzMTYxMzA2MTdaFw0y MDA2MTQxMzA2MTdaMCcxJTAjBgNVBAMTHGxpYmd1aWRlcy5sZWVkc2JlY2tldHQu YWMudWswggEiMA0GCSqGSIb3DQEBAQUAA4IBDwAwggEKAoIBAQDJr6w3F2ChX9jO TnbZkhyiJLD+HU8+hpATZUWxNEPEZCLyu3R9KIeKjHSLcXf8sitAxdScUYMghpEV /pJ3DLmh75CRM9gRMiqDf09kvtJcRZDnuVjgU173zuSJm7J6R/VwEv++gVbAMlel u58YDCfDi3kjYRvsfFUYha97+bwt+57NeYpo9ZfsHm/fdLXInCu8pDZNC7p4yPFA 5RpbR0mu5g2cmmLtMnU5UBo1dryTnOxmyqWXOAUsRBl/RyBMiVMWrB7zmBUyb9tQ ri+pCRaaqdm+L6LO7E7SsAjf8YymEQj17Bnr9FQ9XeKSSWjrMGZDa1jpfz8quyUx ij5yB0CjAgMBAAGjggJxMIICbTAOBgNVHQ8BAf8EBAMCBaAwHQYDVR0lBBYwFAYI KwYBBQUHAwEGCCsGAQUFBwMCMAwGA1UdEwEB/wQCMAAwHQYDVR0OBBYEFEy1PznQ gshXrSni37nqlCZANbJpMB8GA1UdIwQYMBaAFKhKamMEfd265tE5t6ZFZe/zqOyh MG8GCCsGAQUFBwEBBGMwYTAuBggrBgEFBQcwAYYiaHR0cDovL29jc3AuaW50LXgz LmxldHNlbmNyeXB0Lm9yZzAvBggrBgEFBQcwAoYjaHR0cDovL2NlcnQuaW50LXgz LmxldHNlbmNyeXB0Lm9yZy8wJwYDVR0RBCAwHoIcbGliZ3VpZGVzLmxlZWRzYmVj a2V0dC5hYy51azBMBgNVHSAERTBDMAgGBmeBDAECATA3BgsrBgEEAYLfEwEBATAo MCYGCCsGAQUFBwIBFhpodHRwOi8vY3BzLmxldHNlbmNyeXB0Lm9yZzCCAQQGCisG AQQB1nkCBAIEgfUEgfIA8AB1APCVpFnyANGCQBAtL5OIjq1L/h1H45nh0DSmsKiq jrJzAAABcOOqqU4AAAQDAEYwRAIgLxo8JLZ4NLKYZgR1uJnARzpvc0AXARIvfqp8 a27RsjsCIDi1kBvpg6yO5adKo+UQ7+6EdE6ldE3Ii8N7SaJsxkr/AHcAsh4FzIui zYogTodm+Su5iiUgZ2va+nDnsklTLe+LkF4AAAFw46qpQQAABAMASDBGAiEAgrpw vklJwObVvk/KMgsV02Bcl6ZKb3ybKFa95APhl8oCIQCaa14djfTb4Vrbn6VmUuI2 PCVGhWhOkE2qukX5rgzxjzANBgkqhkiG9w0BAQsFAAOCAQEAPCW+Xv+uT6HzS7Wu gjnQCFjiZ+iof9Mlo4Z02Rw40OK4lP+JngCmOUnMRDkPq509oNQ7uTBrpDV3I36+ uHcGqyBp3KhSzdlX4gvjY1jzF5SZCe7pKjtmTK3sI028+JH7ARCXmYFXjs+TdHN3 kx34fqQppnDjN5X5BhTAT2BHSoVU3oYiTNmpLU2SDTzOzOwOMcT5ZdJSsAa8y4U2 sTK2RHjE+S+CR0TYGAHY0Q7Jzy6Pa7BpucoPeaMC5hJs632KjAjGu2JTGXUO7wL7 /LsxbkLD0LDbtruYM6KkxD2uprwxkY89CojGVYb8fwa/QaxT4Wxvb4TCF/0sEo2u ezyNVQ== -----END CERTIFICATE-----
Public Key (PEM)
-----BEGIN PUBLIC KEY----- MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAya+sNxdgoV/Yzk522ZIc oiSw/h1PPoaQE2VFsTRDxGQi8rt0fSiHiox0i3F3/LIrQMXUnFGDIIaRFf6Sdwy5 oe+QkTPYETIqg39PZL7SXEWQ57lY4FNe987kiZuyekf1cBL/voFWwDJXpbufGAwn w4t5I2Eb7HxVGIWve/m8LfuezXmKaPWX7B5v33S1yJwrvKQ2TQu6eMjxQOUaW0dJ ruYNnJpi7TJ1OVAaNXa8k5zsZsqllzgFLEQZf0cgTIlTFqwe85gVMm/bUK4vqQkW mqnZvi+izuxO0rAI3/GMphEI9ewZ6/RUPV3ikklo6zBmQ2tY6X8/KrslMYo+cgdA owIDAQAB -----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 264588116757853178596939264710959877924366 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.113549.1.1.11 (sha256WithRSAEncryption) . . . . . . . . . . . . [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 'US' . . . . . . . . . . . . [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 'Let's Encrypt' . . . . . . . . . . . . [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 'Let's Encrypt Authority X3' . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-03-16 13:06:17 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-06-14 13:06:17 +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 2.5.4.3 (commonName) . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'libguides.leedsbeckett.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 25460526742902439902281961610570835378051226282893024353413457046833616619427347296232579676011898510185747013756019227760656370917968605262444333181247973449140735222877219792373689815779753271796090939931324187317423552193539285983181544846423884563957135621083301155175694147053737330695580126126577911705303478072471024950927827746348917329352098521613753682760015256113044327005735052271303374811011248909382035870038406921126515042757979628607780084813558916669739652552340059379950914357703343651244780260191348983231570153598038365841932921239769605696365058753750352885346674129522281358632337549514978574499 . . . . . . . . . . . . . . . . . . . . [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 2.5.29.37 (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 2.5.29.19 (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 2.5.29.14 (subjectKeyIdentifier) . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (22 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (20 bytes) 4cb53f39d082c857ad29e2dfb9ea94264035b269 . . . . . . . . . . . . . . . . [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 a84a6a63047dddbae6d139b7a64565eff3a8eca1 . . . . . . . . . . . . . . . . [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 (99 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.48.1 (ocsp) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:6|false] IA5String 'http://ocsp.int-x3.letsencrypt.org' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [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://cert.int-x3.letsencrypt.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 (32 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'libguides.leedsbeckett.ac.uk' . . . . . . . . . . . . . . . . [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 2.23.140.1.2.1 (Domain Validation Certificates Policy) . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.4.1.44947.1.1.1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [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://cps.letsencrypt.org' . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.4.1.11129.2.4.2 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (245 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (242 bytes) 00f0007500f095a459f200d18240102d2f93888ead4bfe1d47e399e1d034a6b0a8aa8eb27300000170e3aaa94e000004030046304402202f1a3c24b67834b298660475b899c0473a6f73401701122f7eaa7c6b6ed1b23b022038b5901be983ac8ee5a74aa3e510efee84744ea5744dc88bc37b49a26cc64aff007700b21e05cc8ba2cd8a204e8766f92bb98a2520676bdafa70e7b249532def8b905e00000170e3aaa941000004030048304602210082ba70be4949c0e6d5be4fca320b15d3605c97a64a6f7c9b2856bde403e197ca0221009a6b5e1d8df4dbe15adb9fa56652e2363c254685684e904daaba45f9ae0cf18f . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.113549.1.1.11 (sha256WithRSAEncryption) . . . . . . . . [c:0|t:5|false] NULL . . . . [c:0|t:3|false] BIT STRING (2048 bits) 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