sfb1321.med.tum.de
Issued by Let's Encrypt Authority X3
About this certificate
This digital certificate with serial number 03:30:24:43:ee:30:4a:97:fe:1c:9a:c1:02:1b:1b:cc:9f:aa 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=sfb1321.med.tum.de
Let's Encrypt
Organization:
Let's Encrypt
Country:
US
This certificate has expire since
Certificate Details
Serial Number (hex): 03:30:24:43:ee:30:4a:97:fe:1c:9a:c1:02:1b:1b:cc:9f:aaSerial Number (int): 277718616330263088099305865389195492368298
Serial Number lenght: 138 bits, 18 octets
SubjectKeyId: c1:7a:68:b5:cd:24:28:c3:7f:63:39:c3:6c:c2:6a:87:4e:fe:4e:8b
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1
Fingerprint (sha1): 05:66:94:7a:1b:ca:5d:b6:61:ef:a3:2a:c3:60:05:f0:14:a8:a6:41
Fingerprint (sha256): 00:07:fa:25:09:c4:a5:15:1b:a6:9d:f0:7b:f7:96:e8:e3:a9:9f:de:94:4a:6e:0c:af:56:e6:49:22:ca:01:1e
Issuing Certificate URL: http://cert.int-x3.letsencrypt.org/
Revocation information
OCSP Server: http://ocsp.int-x3.letsencrypt.orgCheck the revocation status for certificate sfb1321.med.tum.de
2
DNS Names
0
Email Addresses
0
IP Addresses
Advanced Certificate Properties
Tehnical certificate details for sfb1321.med.tum.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
sfb1321.med.tum.de
www.sfb1321.med.tum.de
www.sfb1321.med.tum.de
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Certificate
The complete raw certificate details for sfb1321.med.tum.de in PEM and ASN.1 format.
Certificate (PEM)
-----BEGIN CERTIFICATE----- MIIFdTCCBF2gAwIBAgISAzAkQ+4wSpf+HJrBAhsbzJ+qMA0GCSqGSIb3DQEBCwUA MEoxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MSMwIQYDVQQD ExpMZXQncyBFbmNyeXB0IEF1dGhvcml0eSBYMzAeFw0yMDAyMDgyMjU1MjdaFw0y MDA1MDgyMjU1MjdaMB0xGzAZBgNVBAMTEnNmYjEzMjEubWVkLnR1bS5kZTCCASIw DQYJKoZIhvcNAQEBBQADggEPADCCAQoCggEBAKs/CvjGTpap/s0hgW0fMVy63f3y VrXfR2wOzL62ehUL+bbq2FsrSwvKzazYsfLEbD4QGR28HkRcZjZfflXTz7k3JD5u uBFMdJPSOdmPrKANYQkjQfyRfXjwf83oVQuu/PO8Rzha9VZz1c1nbU9PwdQIz2pG iYxKCbjvYXpbYTyIZsSJA9zzECEr//sLxKo7p+StdZH1tnaFlJ3hBIuqqNdpRQ3P mLBLUEC35goZwjGdBc6ty2qUIHlZNaDoaBa/sBjH5dmTTXV0fMUIx1yZijYkoTwF 1RR2ZCN8ZFFGglV6ntDuGpwBoU2F2Jb1PkzOEWp1LsQFVxXU/GIEq+2ZovECAwEA AaOCAoAwggJ8MA4GA1UdDwEB/wQEAwIFoDAdBgNVHSUEFjAUBggrBgEFBQcDAQYI KwYBBQUHAwIwDAYDVR0TAQH/BAIwADAdBgNVHQ4EFgQUwXpotc0kKMN/YznDbMJq h07+ToswHwYDVR0jBBgwFoAUqEpqYwR93brm0Tm3pkVl7/Oo7KEwbwYIKwYBBQUH AQEEYzBhMC4GCCsGAQUFBzABhiJodHRwOi8vb2NzcC5pbnQteDMubGV0c2VuY3J5 cHQub3JnMC8GCCsGAQUFBzAChiNodHRwOi8vY2VydC5pbnQteDMubGV0c2VuY3J5 cHQub3JnLzA1BgNVHREELjAsghJzZmIxMzIxLm1lZC50dW0uZGWCFnd3dy5zZmIx MzIxLm1lZC50dW0uZGUwTAYDVR0gBEUwQzAIBgZngQwBAgEwNwYLKwYBBAGC3xMB AQEwKDAmBggrBgEFBQcCARYaaHR0cDovL2Nwcy5sZXRzZW5jcnlwdC5vcmcwggEF BgorBgEEAdZ5AgQCBIH2BIHzAPEAdgCyHgXMi6LNiiBOh2b5K7mKJSBna9r6cOey SVMt74uQXgAAAXAnOsMcAAAEAwBHMEUCIQDWuFWQDOczoznS/0S6vm1vdh+mRCHe wV4LROnAOnpMbQIgHcpdUmddFCwBKFTHW9/rAQHXR5S+dRXPG3lKC1jxWlIAdwBv U3asMfAxGdiZAKRRFf93FRwR2QLBACkGjbIImjfZEwAAAXAnOsO3AAAEAwBIMEYC IQCCxrIbH+HY7g+AD70L1a8pzAI6lSZe+AcgdtqXJXARbQIhAOa+Z79jvAnP3ziH HYOopwhySQ+aoESso733KvpgnTAeMA0GCSqGSIb3DQEBCwUAA4IBAQBYOKb2lgRX dJOOPLiW5NKkBtROJ64yg/KF2w0fVaBiUGbc7HAwDmyltfBpTEcIiO0lwXHzNGUA CqQP460WxE9gEJY6+7PVNfqCeRgBxqddd3NqQMJTgjLPVr9bt8uOlQFgVJGkvgOB k6pYMmoVjR/+r0lJle022qehB3aH4gi/YCG9cHPAp2/oBpEPtRew0a7qP8pfYctF Tx1ELFFzMob3SgpY3JYDDVAozyRSzvIO7i0RmB9R+FBXKJbsU9IqRKA4AKW9COZE dKSu8XyxAjTjyUN+b5Kb71wRyWuK1QpDM4k4xHuo/j1wMJAoItaIaiZsOaLTBAgC //YOR2k5xlgB -----END CERTIFICATE-----
Public Key (PEM)
-----BEGIN PUBLIC KEY----- MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAqz8K+MZOlqn+zSGBbR8x XLrd/fJWtd9HbA7MvrZ6FQv5turYWytLC8rNrNix8sRsPhAZHbweRFxmNl9+VdPP uTckPm64EUx0k9I52Y+soA1hCSNB/JF9ePB/zehVC67887xHOFr1VnPVzWdtT0/B 1AjPakaJjEoJuO9helthPIhmxIkD3PMQISv/+wvEqjun5K11kfW2doWUneEEi6qo 12lFDc+YsEtQQLfmChnCMZ0Fzq3LapQgeVk1oOhoFr+wGMfl2ZNNdXR8xQjHXJmK NiShPAXVFHZkI3xkUUaCVXqe0O4anAGhTYXYlvU+TM4RanUuxAVXFdT8YgSr7Zmi 8QIDAQAB -----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 277718616330263088099305865389195492368298 . . . . . . . . [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 2020-02-08 22:55:27 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-05-08 22:55:27 +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 'sfb1321.med.tum.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 21617837741372656590288987427947628423809592145315880128840773995585422569944834030423517361022796159176898739576563992013177420355129989301063849736681952244290315786654080836540332522835468903899416910359468933826624881031265529317566380095438551045274155366380260868652687982894533578768503032811776631803678705496864861672505576995248149322331650960493462170374389811567043054499321162059657795032045810331648647474723628144085178277133121319901426365595917955666632309499930173652827857012537119372830699251433491128441187187897732669120639051247409909967169722017737990911182265721062874180462610482198455362289 . . . . . . . . . . . . . . . . . . . . [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) c17a68b5cd2428c37f6339c36cc26a874efe4e8b . . . . . . . . . . . . . . . . [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 (46 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'sfb1321.med.tum.de' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.sfb1321.med.tum.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 (246 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (243 bytes) 00f1007600b21e05cc8ba2cd8a204e8766f92bb98a2520676bdafa70e7b249532def8b905e00000170273ac31c0000040300473045022100d6b855900ce733a339d2ff44babe6d6f761fa64421dec15e0b44e9c03a7a4c6d02201dca5d52675d142c012854c75bdfeb0101d74794be7515cf1b794a0b58f15a520077006f5376ac31f03119d89900a45115ff77151c11d902c10029068db2089a37d91300000170273ac3b7000004030048304602210082c6b21b1fe1d8ee0f800fbd0bd5af29cc023a95265ef8072076da972570116d022100e6be67bf63bc09cfdf38871d83a8a70872490f9aa044aca3bdf72afa609d301e . . . . [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) 005838a6f696045774938e3cb896e4d2a406d44e27ae3283f285db0d1f55a0625066dcec70300e6ca5b5f0694c470888ed25c171f33465000aa40fe3ad16c44f6010963afbb3d535fa82791801c6a75d77736a40c2538232cf56bf5bb7cb8e9501605491a4be038193aa58326a158d1ffeaf494995ed36daa7a1077687e208bf6021bd7073c0a76fe806910fb517b0d1aeea3fca5f61cb454f1d442c51733286f74a0a58dc96030d5028cf2452cef20eee2d11981f51f850572896ec53d22a44a03800a5bd08e64474a4aef17cb10234e3c9437e6f929bef5c11c96b8ad50a43338938c47ba8fe3d7030902822d6886a266c39a2d3040802fff60e476939c65801