adj.users.ak.tu-berlin.de

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:3b:d5:16:ad:7b:f4:30:97:9a:d3:fe:7d:45:38:64:80:7a 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=adj.users.ak.tu-berlin.de

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:3b:d5:16:ad:7b:f4:30:97:9a:d3:fe:7d:45:38:64:80:7a
Serial Number (int): 281696760755926682639109798772070915801210
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: f5:e2:a0:11:c4:aa:36:a4:91:e7:44:ba:fd:a1:d6:41:61:2e:62:26
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 92:aa:b9:12:7f:bb:2b:d0:bc:65:ff:6f:24:9a:84:da:4c:91:71:79
Fingerprint (sha256): 01:75:34:aa:4e:c5:f0:91:c5:9a:ba:48:f2:17:9d:4a:af:c6:0e:ca:ce:c0:86:aa:88:8a:45:ca:6f:aa:37:09

Issuing Certificate URL: http://cert.int-x3.letsencrypt.org/

Revocation information

OCSP Server: http://ocsp.int-x3.letsencrypt.org

Check the revocation status for certificate adj.users.ak.tu-berlin.de

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for adj.users.ak.tu-berlin.de

Public Key Algorithm

RSA

Key Size

4096

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

adj.users.ak.tu-berlin.de

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Certificate

The complete raw certificate details for adj.users.ak.tu-berlin.de in PEM and ASN.1 format.

Certificate (PEM)

-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIICIjANBgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEAu748LXxYDRsSzYkiRiX8
YuQjp5iBi5+Y7n3sV8CoskBP9n/2Q3rU06wtFqLKaamPDZROsFUYASaFEXUfC60s
Ay2EkAXlrqX73QEtJeLXtC5l2JxWDXJpE/ntD05g1HQrkf+simi2DcJ4ySqpP60C
pv8RpHEcqjMogb5fcoQ/SWEe0kTGLfjcx0HWxNQJaMY0h/jvCB/vgx/tc8JJAUgx
mgm6+QA2egBTxS4bJplecQzHaKj2bKFwzvaFHUZnefjbsgtywEy+L8j06k9+NtB+
rtJm1wJ2KkLoY3oW4yfpIPp2LLHeS0xOuY/bsyvp53ZKVFvO8Ng9J0YyoB3HBkuL
YTt8Jpsm/ETsveCKDi2q8vwE6bcNDssXb3Vx0nyW9EbhMRCiHdUmntQFMTpMH3Rl
bnA/4CR+FdaX0HON0+lv+3IGDST+LVW7pCYmAcTzFmo8rfSr9SDB3CD7GB5ACFI1
9hQnOYi/P6D1M2SS54Z6rGNr7iZP47e75Mg9uU7X213OqvZAOejIG8hdzuv4hQD7
IWytGxvpI48LvE2Y0quBnkEzQYjgrCa045Doyi3vbfpCEYYk0M3279GX4JXMkxoi
oe/keBmTZX0JAKEKjCGITv2hhN//L5+7wauo0Q/2reiyKMmSbY4prUuZQzev+sRw
MwOKJWlZdDkZJvV5jgUdyW8CAwEAAQ==
-----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 281696760755926682639109798772070915801210
 . . . . . . . . [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 2020-02-19 01:00:31 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-05-19 01:00:31 +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 'adj.users.ak.tu-berlin.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 (4208 bits)
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:2|false] INTEGER 765925047637762679390760611018460462642431287629399399966452022897811027942089712056931514683269319209035110953717149734036364174793502744460574013157914808167545166252074656334261035242413424851598258742490706165762453999966250076299699267488629339697257090358416268795344282280287164826225937882207536234237205496312072364440803368253686035894910937146942189811836328281520446297425095744375937109300050664616553860965162432770545750300098186806768859297770866660420244913071286688160295637864251582020772190027863541554402666323556953648185890721014746906666102776399217992103088397124712453165060072945491449863654017597836710084226829613100266924951613433076777896954933787292343848627194177052875297382928481418073411923432704222616009773889574921471255100009783472666623971009780265925144400503452305733616969353508846137804066890677290677892240390405690301917997711498901224193384728113004306635946989628025465300026815910664699420783271748888305291034176177627905430271061739619655588563958870840401292514033072027600797594529200350828787303541631739992771472360729129847198494453199235976808229403139016341567924750652566681171818274606967005705131688915689526322320415586779183355362094010287341240185187017719227510278511
 . . . . . . . . . . . . . . . . . . . . [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)
							f5e2a011c4aa36a491e744bafda1d641612e6226
 . . . . . . . . . . . . . . . . [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 (29 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'adj.users.ak.tu-berlin.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 (247 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (244 bytes)
							00f200770007b75c1be57d68fff1b0c61d2315c7bae6577c5794b76aeebc613a1a69d3a21c000001705b2cde520000040300483046022100cb4dee1e95b77443bdfa7219a8301d5e4a0fee92162a1448b930bbae770a1a55022100c03e4c4433912149b87c9429a87954cfac50ce5b3b60287c90c65362fa9814b40077006f5376ac31f03119d89900a45115ff77151c11d902c10029068db2089a37d913000001705b2cdf1a0000040300483046022100f4ce9dd36033628261a4fad033fc5f72df58877a787f60dd83dad130a38a9384022100b07ecf555cf24d6d375c951665cef1127b8c987a16e731ccb86e5f659ca5ba89
 . . . . [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)
		003d99b799a10afef53cc38ecb9a7d12c2488f97680a04e5937db8df4736035a872c1030d6989cec2614322afd003b41f46b546fda48c52f16badba1a99295bcb0d2e8132a69b7d14df0b61b132f9cdc821545ad9f319808e402c46b4d35ebd28c6f7c979cd4b0d04c8c38d170aecb22136d4c9d96a51310c14a4c4ed092900cd78a73657a830b524f1180d4f3267c1802bc755acbc753f64ad772fd1bc828aa1a21b0214fd708f5128f60150b75226b0ae18631dc09e652cbfffcfb11430a156e61cbc0c9e13381e9cf87a34ce1530856fd454e3f8d1e861d1b4430ba11a35084f84257a0016f4becf9778130d7d4dfb16dced5e28b6ab2bfdbe5ada5c48bb6ac