repository.essex.ac.uk
Issued by Let's Encrypt Authority X3
About this certificate
This digital certificate with serial number 04:8e:02:e5:a3:f4:cd:76:4d:45:d6:62:67:67:e8:00:d8:23 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=repository.essex.ac.uk
Let's Encrypt
Organization:
Let's Encrypt
Country:
US
This certificate has expire since
Certificate Details
Serial Number (hex): 04:8e:02:e5:a3:f4:cd:76:4d:45:d6:62:67:67:e8:00:d8:23Serial Number (int): 396773090647214447199440893650196011997219
Serial Number lenght: 139 bits, 18 octets
SubjectKeyId: 89:78:b6:47:3d:ea:af:b4:f7:8e:13:f3:ca:21:6e:52:f2:24:68:71
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1
Fingerprint (sha1): d3:2f:f9:b4:9e:76:89:2c:f2:b9:49:bf:30:7d:d5:b4:e5:ac:ee:c3
Fingerprint (sha256): 0f:8b:68:9a:2f:09:5b:94:7f:98:60:d3:1b:8f:a2:3a:f7:a8:dd:05:5e:ef:34:5c:98:85:55:55:b2:aa:6c:87
Issuing Certificate URL: http://cert.int-x3.letsencrypt.org/
Revocation information
OCSP Server: http://ocsp.int-x3.letsencrypt.orgCheck the revocation status for certificate repository.essex.ac.uk
1
DNS Names
0
Email Addresses
0
IP Addresses
Advanced Certificate Properties
Tehnical certificate details for repository.essex.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
repository.essex.ac.uk
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Certificate
The complete raw certificate details for repository.essex.ac.uk in PEM and ASN.1 format.
Certificate (PEM)
-----BEGIN CERTIFICATE----- MIIGFzCCBP+gAwIBAgISBI4C5aP0zXZNRdZiZ2foANgjMA0GCSqGSIb3DQEBCwUA MEoxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MSMwIQYDVQQD ExpMZXQncyBFbmNyeXB0IEF1dGhvcml0eSBYMzAeFw0xODA1MTkyMjUyMjJaFw0x ODA4MTcyMjUyMjJaMCExHzAdBgNVBAMTFnJlcG9zaXRvcnkuZXNzZXguYWMudWsw ggEiMA0GCSqGSIb3DQEBAQUAA4IBDwAwggEKAoIBAQDLRkbcp56GyvKP00Bpx+jC vaD/lwX6j7iB0GbxtTg37AjjoJ/8p4b/ZWfh4H8NUKfhWBNe9i4LB/ZzvM9d4E3W bzdJzGvhLEK5/zW6vcRMw6+Mr2iSF/u6UdnKKLjTtzq0xmm4sLhnATlmnKsTc4ic 45NxnKVM98rXOLGFQ4SqMGs/F2E4TptLXUdbqpJvOtyiqXzQ78f0MoNxKQOPYXlo 7YZkHvVHfDLlD8z/ad2dXdMHBvWWJJ89rSVUbZJrRGtoPHRPhOn9c8ERS7t41jNJ gAFx5EJDwayNwbtTBvk5CPbiU3F7qLM13Ls0S5Vo/G7Aq/BmU2kKB7Zzw/VDZVA3 AgMBAAGjggMeMIIDGjAOBgNVHQ8BAf8EBAMCBaAwHQYDVR0lBBYwFAYIKwYBBQUH AwEGCCsGAQUFBwMCMAwGA1UdEwEB/wQCMAAwHQYDVR0OBBYEFIl4tkc96q+0944T 88ohblLyJGhxMB8GA1UdIwQYMBaAFKhKamMEfd265tE5t6ZFZe/zqOyhMG8GCCsG AQUFBwEBBGMwYTAuBggrBgEFBQcwAYYiaHR0cDovL29jc3AuaW50LXgzLmxldHNl bmNyeXB0Lm9yZzAvBggrBgEFBQcwAoYjaHR0cDovL2NlcnQuaW50LXgzLmxldHNl bmNyeXB0Lm9yZy8wIQYDVR0RBBowGIIWcmVwb3NpdG9yeS5lc3NleC5hYy51azCB /gYDVR0gBIH2MIHzMAgGBmeBDAECATCB5gYLKwYBBAGC3xMBAQEwgdYwJgYIKwYB BQUHAgEWGmh0dHA6Ly9jcHMubGV0c2VuY3J5cHQub3JnMIGrBggrBgEFBQcCAjCB ngyBm1RoaXMgQ2VydGlmaWNhdGUgbWF5IG9ubHkgYmUgcmVsaWVkIHVwb24gYnkg UmVseWluZyBQYXJ0aWVzIGFuZCBvbmx5IGluIGFjY29yZGFuY2Ugd2l0aCB0aGUg Q2VydGlmaWNhdGUgUG9saWN5IGZvdW5kIGF0IGh0dHBzOi8vbGV0c2VuY3J5cHQu b3JnL3JlcG9zaXRvcnkvMIIBBAYKKwYBBAHWeQIEAgSB9QSB8gDwAHYAVYHUwhaQ NgFK6gubVzxT8MDkOHhwJQgXL6OqHQcT0wwAAAFjetGJ5AAABAMARzBFAiEAgcDl vKSsozarpcrFaXyPZtKlbJL39bpeNsYD7OqYXroCIFISI2zxzAOfGMPiHEfXHEKR 0+oA1VgR2/ONyzf6ORLmAHYAKTxRllTIOWW6qlD8WAfUt2+/WHopctykwwz05UVH 9HgAAAFjetGJ0gAABAMARzBFAiEA7f6fjXpTUu6mbAMNg4qMAFNsyq66iYAd0sps 34+0ig8CIFG4mOGjqbHh/3Ro+yPPrezfwOezrKHsTzrF1W5XWeNqMA0GCSqGSIb3 DQEBCwUAA4IBAQCTEuIbE+9tstBzj7d14YuaOy8MOMMLkxe6qfvUFq8uKeDA/0yN DeOyOMGlKJ8DaVB1O+Nc1t8LIsFn3UqKrA4iy20ZdszfB5e2EH/E6tDRbAWmrGKT rbexc4/RtaH3WvKgylWHCuHv9m2snCbx+b/OfLiHQKeW8PjGxnx27tlLUAUCqLgT 3MAPeIlEHLRQVHsYSDARPUIzvY47EElr7J/8U+KcFc3bBL/ZorurHVcWUTWLWEgX HLrlfpAc8ar6V25Nhb7GpRsl8QuNYiNFngbWk4PcIQSa/jjCyxJM09PMj43pNsPn hT05WknkLvtqZo/RZizfFq5vrUW0azEqBFrv -----END CERTIFICATE-----
Public Key (PEM)
-----BEGIN PUBLIC KEY----- MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAy0ZG3Keehsryj9NAacfo wr2g/5cF+o+4gdBm8bU4N+wI46Cf/KeG/2Vn4eB/DVCn4VgTXvYuCwf2c7zPXeBN 1m83Scxr4SxCuf81ur3ETMOvjK9okhf7ulHZyii407c6tMZpuLC4ZwE5ZpyrE3OI nOOTcZylTPfK1zixhUOEqjBrPxdhOE6bS11HW6qSbzrcoql80O/H9DKDcSkDj2F5 aO2GZB71R3wy5Q/M/2ndnV3TBwb1liSfPa0lVG2Sa0RraDx0T4Tp/XPBEUu7eNYz SYABceRCQ8GsjcG7Uwb5OQj24lNxe6izNdy7NEuVaPxuwKvwZlNpCge2c8P1Q2VQ NwIDAQAB -----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 396773090647214447199440893650196011997219 . . . . . . . . [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 2018-05-19 22:52:22 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2018-08-17 22:52:22 +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 'repository.essex.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 25661030691973093566738344809431913631624349257700271686200656210082116715745400435415390353644550930435724778621483310262926745270285902208129510953619354989956299652582547929487530460495259277675713080905636340885984160879971174758740524058020239567423576136775139163074204381326956157390165540042990869909597404932533152440951254161531348332253468839472895014302454616595694418254896357984161870640757698167842011645451964481436361419405703159285073274309668873119976652798392777762243301772323484697104751816625553573352017416997159467181860783619698729949470072203414885337215569754659584625956130081024432754743 . . . . . . . . . . . . . . . . . . . . [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) 8978b6473deaafb4f78e13f3ca216e52f2246871 . . . . . . . . . . . . . . . . [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 (26 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'repository.essex.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 (246 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 1.3.6.1.5.5.7.2.2 (unotice) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:12|false] UTF8String 'This Certificate may only be relied upon by Relying Parties and only in accordance with the Certificate Policy found at https://letsencrypt.org/repository/' . . . . . . . . . . . . . . . . [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) 00f00076005581d4c2169036014aea0b9b573c53f0c0e43878702508172fa3aa1d0713d30c000001637ad189e4000004030047304502210081c0e5bca4aca336aba5cac5697c8f66d2a56c92f7f5ba5e36c603ecea985eba02205212236cf1cc039f18c3e21c47d71c4291d3ea00d55811dbf38dcb37fa3912e6007600293c519654c83965baaa50fc5807d4b76fbf587a2972dca4c30cf4e54547f478000001637ad189d20000040300473045022100edfe9f8d7a5352eea66c030d838a8c00536ccaaeba89801dd2ca6cdf8fb48a0f022051b898e1a3a9b1e1ff7468fb23cfadecdfc0e7b3aca1ec4f3ac5d56e5759e36a . . . . [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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