springboard.brighton.ac.uk
Issued by Let's Encrypt Authority X3
About this certificate
This digital certificate with serial number 04:cd:51:a0:50:40:53:d1:c4:f1:ba:96:25:b0:00:5c:19:5c was issued on by Let's Encrypt.
With 2 subject alternative names this certificate can be used to secure multiple fqdn's. 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=springboard.brighton.ac.uk
Let's Encrypt
Organization:
Let's Encrypt
Country:
US
This certificate has expire since
Certificate Details
Serial Number (hex): 04:cd:51:a0:50:40:53:d1:c4:f1:ba:96:25:b0:00:5c:19:5cSerial Number (int): 418315528808678626899014129344296976652636
Serial Number lenght: 139 bits, 18 octets
SubjectKeyId: 26:a4:25:ad:f3:a0:39:54:79:5d:5f:7f:75:15:5e:f6:0a:8e:fd:17
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1
Fingerprint (sha1): a1:fb:6e:cc:98:1d:aa:c0:dc:87:e5:f0:59:92:0f:8e:c8:2d:8b:1d
Fingerprint (sha256): 19:cf:af:67:6a:90:2b:a4:9f:a2:ab:1c:32:f9:24:c9:f6:1a:d2:ec:48:13:88:0b:34:46:05:7d:d5:c8:79:5b
Issuing Certificate URL: http://cert.int-x3.letsencrypt.org/
Revocation information
OCSP Server: http://ocsp.int-x3.letsencrypt.orgCheck the revocation status for certificate springboard.brighton.ac.uk
2
DNS Names
0
Email Addresses
0
IP Addresses
Advanced Certificate Properties
Tehnical certificate details for springboard.brighton.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
springboard.brighton.ac.uk
www.springboard.brighton.ac.uk
www.springboard.brighton.ac.uk
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Certificate
The complete raw certificate details for springboard.brighton.ac.uk in PEM and ASN.1 format.
Certificate (PEM)
-----BEGIN CERTIFICATE----- MIIGPzCCBSegAwIBAgISBM1RoFBAU9HE8bqWJbAAXBlcMA0GCSqGSIb3DQEBCwUA MEoxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MSMwIQYDVQQD ExpMZXQncyBFbmNyeXB0IEF1dGhvcml0eSBYMzAeFw0xODA1MjEwOTM2MDhaFw0x ODA4MTkwOTM2MDhaMCUxIzAhBgNVBAMTGnNwcmluZ2JvYXJkLmJyaWdodG9uLmFj LnVrMIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAsG1tjpSlomEkmhqP kFOhENvBA8wsSNcltcJQSk71uuL0DC0dboNAUBFJEZhxTQy+cPiDdTR6huw1TQwH PLi/0aOAh8gWJ/OQThTjazTlX1tWkI3E/zsVQkdnLOsfjARWsC/CUrPCP5ULIm67 egK6+B3eVhMTO4oGpnIU9ixCjNOn+/911RrkovUjyZCHXjYe7zkgSfOFvTuHxSmk UtOA2nPH9uj6cgtmCk8yfouXFvMOpdJFgq8Jof8BEncc0sHlrKSB3FsDZOb9wP6h ha7YOrbTtpv3wCof/ccyp30YlJrz3/I/2V0qDzWats/l66QlKrovUp82m9EOQgbU /+Ju3wIDAQABo4IDQjCCAz4wDgYDVR0PAQH/BAQDAgWgMB0GA1UdJQQWMBQGCCsG AQUFBwMBBggrBgEFBQcDAjAMBgNVHRMBAf8EAjAAMB0GA1UdDgQWBBQmpCWt86A5 VHldX391FV72Co79FzAfBgNVHSMEGDAWgBSoSmpjBH3duubRObemRWXv86jsoTBv BggrBgEFBQcBAQRjMGEwLgYIKwYBBQUHMAGGImh0dHA6Ly9vY3NwLmludC14My5s ZXRzZW5jcnlwdC5vcmcwLwYIKwYBBQUHMAKGI2h0dHA6Ly9jZXJ0LmludC14My5s ZXRzZW5jcnlwdC5vcmcvMEUGA1UdEQQ+MDyCGnNwcmluZ2JvYXJkLmJyaWdodG9u LmFjLnVrgh53d3cuc3ByaW5nYm9hcmQuYnJpZ2h0b24uYWMudWswgf4GA1UdIASB 9jCB8zAIBgZngQwBAgEwgeYGCysGAQQBgt8TAQEBMIHWMCYGCCsGAQUFBwIBFhpo dHRwOi8vY3BzLmxldHNlbmNyeXB0Lm9yZzCBqwYIKwYBBQUHAgIwgZ4MgZtUaGlz IENlcnRpZmljYXRlIG1heSBvbmx5IGJlIHJlbGllZCB1cG9uIGJ5IFJlbHlpbmcg UGFydGllcyBhbmQgb25seSBpbiBhY2NvcmRhbmNlIHdpdGggdGhlIENlcnRpZmlj YXRlIFBvbGljeSBmb3VuZCBhdCBodHRwczovL2xldHNlbmNyeXB0Lm9yZy9yZXBv c2l0b3J5LzCCAQQGCisGAQQB1nkCBAIEgfUEgfIA8AB2AFWB1MIWkDYBSuoLm1c8 U/DA5Dh4cCUIFy+jqh0HE9MMAAABY4JFSJoAAAQDAEcwRQIhAJ4dc3BvgSaemNLz gKU5jAJi+Q743S3/RD8bapTqX0kjAiBiXn4oIuJa4mmoigC41DX8J7lsgSoagweu uAeyLj8dggB2ACk8UZZUyDlluqpQ/FgH1Ldvv1h6KXLcpMMM9OVFR/R4AAABY4JF SIYAAAQDAEcwRQIhALva37ryE6EiQS0VG1DwWrtrIuIHnDH0X1e0VvmW6CxAAiAS ocbInODtcw/yO68fRygjV0hnrqUpGxeGCpFpPXZi/jANBgkqhkiG9w0BAQsFAAOC AQEAVAwuGuzLN2nyfAdtUYtl/IuKDHjqb8ZalblaGO+nLkesrTCx124u/gieYe/J 7Q0jHWwIfjhbD4nDCzVLhvl/CCK09NIAUi3LFVE17u6qnJ9a/cI/WQpUZpibDyGr 3nqhZ/B30yilIzGokB0v5j0XfVQsCa3wltRqTCd0GiOoCEbAusQXh7JYoZnHkRvb LZ9GRJprrGd64nJYCYBMmXFDQV/f8knl2ZX4QEurSnRZ66YpE0F6lHZWjtQsE5oq 3yrWKD6q8UHZcc1h8aYmAFrgQziHAune+hdZyVXi/Pc5a2lRVd5ti3ZmplpaEIW1 qvKk1mC2C478OS0Ku8posjjoRA== -----END CERTIFICATE-----
Public Key (PEM)
-----BEGIN PUBLIC KEY----- MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAsG1tjpSlomEkmhqPkFOh ENvBA8wsSNcltcJQSk71uuL0DC0dboNAUBFJEZhxTQy+cPiDdTR6huw1TQwHPLi/ 0aOAh8gWJ/OQThTjazTlX1tWkI3E/zsVQkdnLOsfjARWsC/CUrPCP5ULIm67egK6 +B3eVhMTO4oGpnIU9ixCjNOn+/911RrkovUjyZCHXjYe7zkgSfOFvTuHxSmkUtOA 2nPH9uj6cgtmCk8yfouXFvMOpdJFgq8Jof8BEncc0sHlrKSB3FsDZOb9wP6hha7Y OrbTtpv3wCof/ccyp30YlJrz3/I/2V0qDzWats/l66QlKrovUp82m9EOQgbU/+Ju 3wIDAQAB -----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 418315528808678626899014129344296976652636 . . . . . . . . [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 2018-05-21 09:36:08 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2018-08-19 09:36:08 +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 'springboard.brighton.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 22271902610704698038257385813307964466745154383188001613811970949623751440635729593087296961902613323773349029123608872025621714064859128910585447850492725163843503366547526210485752419057800820535617082896446816328620241175279714972340185178170991222687055869055872434827533658485577505945323968021475167600638126474220334467165356061964368903863805729118898224821377343354804495354172356065424065060513281862476812020600714787355594440242675239469960572741147127649966187854705218119658553161682701494133370782803651635367956111417079035046098460861765170743552624707943143914055613889908332607153047642101558439647 . . . . . . . . . . . . . . . . . . . . [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) 26a425adf3a03954795d5f7f75155ef60a8efd17 . . . . . . . . . . . . . . . . [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 (62 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'springboard.brighton.ac.uk' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.springboard.brighton.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) 00f00076005581d4c2169036014aea0b9b573c53f0c0e43878702508172fa3aa1d0713d30c000001638245489a00000403004730450221009e1d73706f81269e98d2f380a5398c0262f90ef8dd2dff443f1b6a94ea5f49230220625e7e2822e25ae269a88a00b8d435fc27b96c812a1a8307aeb807b22e3f1d82007600293c519654c83965baaa50fc5807d4b76fbf587a2972dca4c30cf4e54547f47800000163824548860000040300473045022100bbdadfbaf213a122412d151b50f05abb6b22e2079c31f45f57b456f996e82c40022012a1c6c89ce0ed730ff23baf1f472823574867aea5291b17860a91693d7662fe . . . . [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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