exponent.lib.purdue.edu
Issued by Let's Encrypt Authority X3
About this certificate
This digital certificate with serial number 03:9e:99:dc:71:28:ab:97:67:a2:23:15:e5:ee:ad:2c:98:43 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=exponent.lib.purdue.edu
Let's Encrypt
Organization:
Let's Encrypt
Country:
US
This certificate has expire since
Certificate Details
Serial Number (hex): 03:9e:99:dc:71:28:ab:97:67:a2:23:15:e5:ee:ad:2c:98:43Serial Number (int): 315305988252587503644799637351864669608003
Serial Number lenght: 138 bits, 18 octets
SubjectKeyId: e0:95:00:2f:9f:1b:1b:2c:b8:12:87:f8:96:0d:3b:1c:85:b5:cf:66
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1
Fingerprint (sha1): 55:ee:64:c4:92:50:61:4d:32:a8:54:e7:8b:bf:f7:15:f2:27:4c:58
Fingerprint (sha256): 48:fb:bb:15:f8:50:ea:ba:ee:2d:30:c0:ae:0d:7f:3b:90:d2:a2:7f:dd:5f:2e:8f:c7:23:ab:d7:7c:7c:2c:5a
Issuing Certificate URL: http://cert.int-x3.letsencrypt.org/
Revocation information
OCSP Server: http://ocsp.int-x3.letsencrypt.orgCheck the revocation status for certificate exponent.lib.purdue.edu
2
DNS Names
0
Email Addresses
0
IP Addresses
Advanced Certificate Properties
Tehnical certificate details for exponent.lib.purdue.edu
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
exponent.lib.purdue.edu
purdue.veridiansoftware.com
purdue.veridiansoftware.com
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Certificate
The complete raw certificate details for exponent.lib.purdue.edu in PEM and ASN.1 format.
Certificate (PEM)
-----BEGIN CERTIFICATE----- MIIFhDCCBGygAwIBAgISA56Z3HEoq5dnoiMV5e6tLJhDMA0GCSqGSIb3DQEBCwUA MEoxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MSMwIQYDVQQD ExpMZXQncyBFbmNyeXB0IEF1dGhvcml0eSBYMzAeFw0xOTA5MTIxMjA1NTJaFw0x OTEyMTExMjA1NTJaMCIxIDAeBgNVBAMTF2V4cG9uZW50LmxpYi5wdXJkdWUuZWR1 MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA0YJ2umqklAVdMrQcqw// 69V1eQZDRtK/uG+GUq36HXhAiARXwCOTXJ9qjLaGgoocPK9BrneiRJXStiZJFGSb epmr2oDOBAlLbwv+rTPR7Ex4GtPQ9pbypfpsTlV9Xbk511xcuAFofifonVk9bOYx 1FmiSXuxv3AMzyVjzMup0iWXNavGFHITPeUoFny4sotzJ8s/aw4uQ4YnfQ0I2Kt4 8JcRJV/CvGDJdyKRXrDEFSA4SvRoKyyK9Y9HddhPzBJUblI1KcU5Nq46n5Qh8yWj SSSWpuJdT+z/CSJ6L11ptwDiUxHCOB8nWPvN2zVVkaCchyiEuKp16EUHNXPrksBc zwIDAQABo4ICijCCAoYwDgYDVR0PAQH/BAQDAgWgMB0GA1UdJQQWMBQGCCsGAQUF BwMBBggrBgEFBQcDAjAMBgNVHRMBAf8EAjAAMB0GA1UdDgQWBBTglQAvnxsbLLgS h/iWDTschbXPZjAfBgNVHSMEGDAWgBSoSmpjBH3duubRObemRWXv86jsoTBvBggr BgEFBQcBAQRjMGEwLgYIKwYBBQUHMAGGImh0dHA6Ly9vY3NwLmludC14My5sZXRz ZW5jcnlwdC5vcmcwLwYIKwYBBQUHMAKGI2h0dHA6Ly9jZXJ0LmludC14My5sZXRz ZW5jcnlwdC5vcmcvMD8GA1UdEQQ4MDaCF2V4cG9uZW50LmxpYi5wdXJkdWUuZWR1 ghtwdXJkdWUudmVyaWRpYW5zb2Z0d2FyZS5jb20wTAYDVR0gBEUwQzAIBgZngQwB AgEwNwYLKwYBBAGC3xMBAQEwKDAmBggrBgEFBQcCARYaaHR0cDovL2Nwcy5sZXRz ZW5jcnlwdC5vcmcwggEFBgorBgEEAdZ5AgQCBIH2BIHzAPEAdwB0ftqDMa0zEJEh nM4lT0Jwwr/9XkIgCMY3NXnmEHvMVgAAAW0llIIuAAAEAwBIMEYCIQCOQ+/CCtVD z3r61gW1ozUTIHJX00YBIUzUMm0leEDcHAIhALxr/YOlHTu5s2B8qtFh6lC6ow+5 M233ES58F97Spz24AHYAKTxRllTIOWW6qlD8WAfUt2+/WHopctykwwz05UVH9HgA AAFtJZSCSwAABAMARzBFAiEAp8KNqt5Lv/u0K/7/jCZjWBe9klUwxerV3sQ5IPzc JDsCIE8Z1vB5IL0cqa9Qocrwa7J443D45LblhI+Su2yTP/VcMA0GCSqGSIb3DQEB CwUAA4IBAQAhkua5UN2lSYi647AA1vtnkdJbrx2k/DTvF00n7f8EhURiOInFTib3 NqUIgm2ynPyRpO8eQQc08pTrscN+RUq2ZZWFjj67cLmjzZmuEZg1j4O7EX3PvAUY q0zrfF0AqZvsKijD7EJcn3pigmU2TSMHPqsdJIiJBsSKPdYQEsIcio6fAuMeFlPY n7Zw8+xf9+n7KwBzRlhD7JQLt2RjW/B0h3aBql6Zc/SnIkdbiuvJ4Y1FCJ5XvZjT ZNvVfZKIIS8Do3qL2PvFwAcHFQocKTiCUR4h5WOeBcN//Y+RQGqz/P7ljld6vyen WdBOprigqTj54hXJXlwMotkMU88Pr0/h -----END CERTIFICATE-----
Public Key (PEM)
-----BEGIN PUBLIC KEY----- MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA0YJ2umqklAVdMrQcqw// 69V1eQZDRtK/uG+GUq36HXhAiARXwCOTXJ9qjLaGgoocPK9BrneiRJXStiZJFGSb epmr2oDOBAlLbwv+rTPR7Ex4GtPQ9pbypfpsTlV9Xbk511xcuAFofifonVk9bOYx 1FmiSXuxv3AMzyVjzMup0iWXNavGFHITPeUoFny4sotzJ8s/aw4uQ4YnfQ0I2Kt4 8JcRJV/CvGDJdyKRXrDEFSA4SvRoKyyK9Y9HddhPzBJUblI1KcU5Nq46n5Qh8yWj SSSWpuJdT+z/CSJ6L11ptwDiUxHCOB8nWPvN2zVVkaCchyiEuKp16EUHNXPrksBc zwIDAQAB -----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 315305988252587503644799637351864669608003 . . . . . . . . [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 2019-09-12 12:05:52 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-12-11 12:05:52 +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 'exponent.lib.purdue.edu' . . . . . . . . [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 26448139826570422235100957551733073612036452752758075832786261395906547601900181503622157854328120970087299546786928135948013743194509383979255836948184661734811648646046716770235434453394540207601148626010669656544666294586547591211780896200335384919559065342267026678194363991912959389718270340702031533138615569020213440595394512655442210632213480201582202235355982378959722839340742992441371759803206179884485350235016532217603606359135349209839592808339666823831863167323529835456104898846364203095749995610905101686227594391184760786584876355872073370619688677558889363368837574007469347136637111986306303417551 . . . . . . . . . . . . . . . . . . . . [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) e095002f9f1b1b2cb81287f8960d3b1c85b5cf66 . . . . . . . . . . . . . . . . [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 (56 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'exponent.lib.purdue.edu' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'purdue.veridiansoftware.com' . . . . . . . . . . . . . . . . [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 (246 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (243 bytes) 00f1007700747eda8331ad331091219cce254f4270c2bffd5e422008c6373579e6107bcc560000016d2594822e00000403004830460221008e43efc20ad543cf7afad605b5a33513207257d34601214cd4326d257840dc1c022100bc6bfd83a51d3bb9b3607caad161ea50baa30fb9336df7112e7c17ded2a73db8007600293c519654c83965baaa50fc5807d4b76fbf587a2972dca4c30cf4e54547f4780000016d2594824b0000040300473045022100a7c28daade4bbffbb42bfeff8c26635817bd925530c5ead5dec43920fcdc243b02204f19d6f07920bd1ca9af50a1caf06bb278e370f8e4b6e5848f92bb6c933ff55c . . . . [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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