wahlomat.stud.rwth-aachen.de
Issued by Let's Encrypt Authority X3
About this certificate
This digital certificate with serial number 03:2a:75:dc:66:a5:74:20:60:b2:0d:2b:69:ea:71:a4:3c:05 was issued on by Let's Encrypt.
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We have idenified some issues with this certificate:
- Subscriber Certificate: commonName is deprecated. (BRs: 7.1.4.2.2)
Certificate Subject
CN=wahlomat.stud.rwth-aachen.de
Let's Encrypt
Organization:
Let's Encrypt
Country:
US
This certificate has expire since
Certificate Details
Serial Number (hex): 03:2a:75:dc:66:a5:74:20:60:b2:0d:2b:69:ea:71:a4:3c:05Serial Number (int): 275785381268690234015262608565845910371333
Serial Number lenght: 138 bits, 18 octets
SubjectKeyId: ec:4b:03:0d:c2:ec:43:c8:07:81:07:96:38:f9:2c:21:7e:e1:37:fa
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1
Fingerprint (sha1): 34:66:d4:02:df:b1:59:4a:79:52:90:3d:87:2b:e5:80:a9:17:9e:27
Fingerprint (sha256): 00:98:cc:47:a0:82:b5:cc:ca:7f:bb:35:18:f8:f7:51:6a:6a:09:3a:33:c9:9d:64:ae:ee:7b:aa:f3:7e:90:90
Issuing Certificate URL: http://cert.int-x3.letsencrypt.org/
Revocation information
OCSP Server: http://ocsp.int-x3.letsencrypt.orgCheck the revocation status for certificate wahlomat.stud.rwth-aachen.de
1
DNS Names
0
Email Addresses
0
IP Addresses
Advanced Certificate Properties
Tehnical certificate details for wahlomat.stud.rwth-aachen.de
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
wahlomat.stud.rwth-aachen.de
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Certificate
The complete raw certificate details for wahlomat.stud.rwth-aachen.de in PEM and ASN.1 format.
Certificate (PEM)
-----BEGIN CERTIFICATE----- MIIFbzCCBFegAwIBAgISAyp13GaldCBgsg0raepxpDwFMA0GCSqGSIb3DQEBCwUA MEoxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MSMwIQYDVQQD ExpMZXQncyBFbmNyeXB0IEF1dGhvcml0eSBYMzAeFw0xOTEyMDIxMzE0MjVaFw0y MDAzMDExMzE0MjVaMCcxJTAjBgNVBAMTHHdhaGxvbWF0LnN0dWQucnd0aC1hYWNo ZW4uZGUwggEiMA0GCSqGSIb3DQEBAQUAA4IBDwAwggEKAoIBAQDobKy0byyuaG1k qzV+lAmdinwmSpppq9c35HeTPXg7785/GmMK9HuQnKJ+84Bi/3Gl8RlC0rVQKWmz fVaN1a1rBA4Gd/h5vGiRPQqdmc566SHZrTAmNfwZ0TAl767JZkrbGqTs/oUWlVsS Fzj9ph1K4erkY+8yL4Rwa4JHSrcETDyUASBVR6o39vXkRfn9N46AEx+vxX/Dpj5K cU4SYqdKEu2fPLlCBguuCNQpXZBaeM9TTVFohwZA+lHNQ9yfwmI7VqN4goFe+fds EhwVDNCs8ilhxhFGJv6uEYBZC7/ODlMGPK91zWB6xWTEfyDn6g7wPGfNkYOYG0JQ 0oDAxKm5AgMBAAGjggJwMIICbDAOBgNVHQ8BAf8EBAMCBaAwHQYDVR0lBBYwFAYI KwYBBQUHAwEGCCsGAQUFBwMCMAwGA1UdEwEB/wQCMAAwHQYDVR0OBBYEFOxLAw3C 7EPIB4EHljj5LCF+4Tf6MB8GA1UdIwQYMBaAFKhKamMEfd265tE5t6ZFZe/zqOyh MG8GCCsGAQUFBwEBBGMwYTAuBggrBgEFBQcwAYYiaHR0cDovL29jc3AuaW50LXgz LmxldHNlbmNyeXB0Lm9yZzAvBggrBgEFBQcwAoYjaHR0cDovL2NlcnQuaW50LXgz LmxldHNlbmNyeXB0Lm9yZy8wJwYDVR0RBCAwHoIcd2FobG9tYXQuc3R1ZC5yd3Ro LWFhY2hlbi5kZTBMBgNVHSAERTBDMAgGBmeBDAECATA3BgsrBgEEAYLfEwEBATAo MCYGCCsGAQUFBwIBFhpodHRwOi8vY3BzLmxldHNlbmNyeXB0Lm9yZzCCAQMGCisG AQQB1nkCBAIEgfQEgfEA7wB2AF6nc/nfVsDntTZIfdBJ4DJ6kZoMhKESEoQYdZaB cUVYAAABbsb2YgAAAAQDAEcwRQIgVUlOVPWyGGMHyqHOiopb7JQJRbJLQKPuM4K0 OifUxDUCIQCwYjFQOyUQT34RkyUZT6RDxek0sdwoHMTCR+zZ6Svb9QB1ALIeBcyL os2KIE6HZvkruYolIGdr2vpw57JJUy3vi5BeAAABbsb2YeoAAAQDAEYwRAIgMtDd tH3/wssNyZGeCksTh8lwJnUmpzdxdZVfpRH17/QCIG/BMHVd9Sn52AcZwG3GvT62 j2sVuyWDweAKsf1ViKTXMA0GCSqGSIb3DQEBCwUAA4IBAQB3FHkvh4PICr3c3ADm 8Mh8AHrHTgdkLJFx2t4VS69dUbQlzl5HD0kvg2gOOT2QuYG0eIEPkC8hbH7l58TZ T6B8AJOPc03ov2QJg5z7VWwN7Udch20meGun1vVYBasfpdNFMBqdHuA9bw3VEQPj +tRECHyd3YwbrZII9MJab6h8c9AJWErSPAHgIyo+O5Bgve0zwbKo7/9ZmNhu16jm i4zgO9gYMOckxsLL5gnrGqaqKf+73PlgC44o5YdeCQSD96FZIq6Uj4/dlFbJPfrt Yz58mFV1TZ/ChxNvaCYRlBvlQyiqb9oZVxA9FKeEvZhal+GvodHqfmXdvokr06D4 ewk1 -----END CERTIFICATE-----
Public Key (PEM)
-----BEGIN PUBLIC KEY----- MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA6GystG8srmhtZKs1fpQJ nYp8JkqaaavXN+R3kz14O+/OfxpjCvR7kJyifvOAYv9xpfEZQtK1UClps31WjdWt awQOBnf4ebxokT0KnZnOeukh2a0wJjX8GdEwJe+uyWZK2xqk7P6FFpVbEhc4/aYd SuHq5GPvMi+EcGuCR0q3BEw8lAEgVUeqN/b15EX5/TeOgBMfr8V/w6Y+SnFOEmKn ShLtnzy5QgYLrgjUKV2QWnjPU01RaIcGQPpRzUPcn8JiO1ajeIKBXvn3bBIcFQzQ rPIpYcYRRib+rhGAWQu/zg5TBjyvdc1gesVkxH8g5+oO8DxnzZGDmBtCUNKAwMSp uQIDAQAB -----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 275785381268690234015262608565845910371333 . . . . . . . . [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 2019-12-02 13:14:25 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-03-01 13:14:25 +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 'wahlomat.stud.rwth-aachen.de' . . . . . . . . [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 29340876208601631502307107790441810850230205240167834226827128005480761945360609483950382051573518477627524631297690144339636619014370466111336470750587166906065857054412129896643902386456945451667972660597440900441262058492609225344400466118337212207067675953541609987283379670721841194801529837919751867740954144454223155143758917832220517695414245487632400633260763058746126141342234120577863003890438331401563454167522822424230684625256778257724867939054653775592389914078224981031834148497008721799702625458924262429359639814605219924538618716735690465018416726514758813953994330338347088637237598160479798471097 . . . . . . . . . . . . . . . . . . . . [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) ec4b030dc2ec43c80781079638f92c217ee137fa . . . . . . . . . . . . . . . . [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 'wahlomat.stud.rwth-aachen.de' . . . . . . . . . . . . . . . . [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 (244 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (241 bytes) 00ef0076005ea773f9df56c0e7b536487dd049e0327a919a0c84a1121284187596817145580000016ec6f662000000040300473045022055494e54f5b2186307caa1ce8a8a5bec940945b24b40a3ee3382b43a27d4c435022100b06231503b25104f7e119325194fa443c5e934b1dc281cc4c247ecd9e92bdbf5007500b21e05cc8ba2cd8a204e8766f92bb98a2520676bdafa70e7b249532def8b905e0000016ec6f661ea0000040300463044022032d0ddb47dffc2cb0dc9919e0a4b1387c970267526a7377175955fa511f5eff402206fc130755df529f9d80719c06dc6bd3eb68f6b15bb2583c1e00ab1fd5588a4d7 . . . . [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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