pwp.um.ifi.lmu.de

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 04:68:bd:a5:40:fc:49:ba:ef:08:bc:d9:e8:c3:61:4b:bc:09 was issued on by Let's Encrypt.

With 4 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=pwp.um.ifi.lmu.de

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 04:68:bd:a5:40:fc:49:ba:ef:08:bc:d9:e8:c3:61:4b:bc:09
Serial Number (int): 384090592025066124115251782488672218889225
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: 9d:6c:e1:86:6b:96:2e:8b:a6:4c:ea:d7:f4:76:85:52:b4:42:ea:d2
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 55:e4:e5:82:1d:ef:70:fd:96:2a:d1:96:da:02:83:1c:05:95:28:59
Fingerprint (sha256): 04:7b:8d:3e:a5:5d:cc:00:87:b1:8b:e5:88:29:bd:50:cc:03:5f:fe:99:20:bc:9b:06:78:57:c8:60:79:20:3b

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 pwp.um.ifi.lmu.de

4

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for pwp.um.ifi.lmu.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

pwp-ss18.um.ifi.lmu.de
pwp.um.ifi.lmu.de
www.pwp-ss18.um.ifi.lmu.de
www.pwp.um.ifi.lmu.de

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Certificate

The complete raw certificate details for pwp.um.ifi.lmu.de in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAvO3Qy4DPbxXenmZaZxiU
gRCyNPvKPbzz8RTJF8lrw8U36YaEd6kuU1lTPln9BF7mV3kCvrYw8xrwJZeUO1Yt
PMPg6FEILvOznzF/upKP8tQjRKkYNTHWO5FGDqguxDoWQ+aOdNTt2v4f6K7agrGh
V5pEFJAbF8fbu/6YyBNa7VeIp1qdrEssJElplC8Y+CWyuvJNlW4Plm70en5anq7H
SOLfVPjUi0n4h9HU1CyGdH0vJIxMYs1xASJMuFaAu2twRz2FUV2Mw8YopA8DjGIY
qsjjmU2BYoQvfWXUCH2jUVjvG3kWKA6siZ+umlTVTv/KhMLUE6LhVhqW/8zwYFCK
8wIDAQAB
-----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 384090592025066124115251782488672218889225
 . . . . . . . . [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 2019-11-01 18:52:29 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-01-30 18:52:29 +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 'pwp.um.ifi.lmu.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 23850072579308177221113892271162881279384094380375579337494615497016543052090533604366901503144523201771449671859705977190673417466186397301033752082237763944404773201868796989125784406386275282494158452827109212003987800182134615298547638992200562693652852864885163637065021027538308297873755952397025920860927951004081244472367844665249430542865297680924632530388288764885905136964473590451515062642937515395558150306875297542581645207792427053056260646634033781242611270569236017443067298763810413118383106557504238233764030148863083636391432853980704801552626201245215285452889859411340717634288146615648956484339
 . . . . . . . . . . . . . . . . . . . . [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)
							9d6ce1866b962e8ba64cead7f4768552b442ead2
 . . . . . . . . . . . . . . . . [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 (96 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'pwp-ss18.um.ifi.lmu.de'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'pwp.um.ifi.lmu.de'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.pwp-ss18.um.ifi.lmu.de'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.pwp.um.ifi.lmu.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)
							00f10077005ea773f9df56c0e7b536487dd049e0327a919a0c84a1121284187596817145580000016e2886bf720000040300483046022100d825f0cc25687ca8cc31d0d225f08ed9fd1796de5df730cc593974ece66d81e60221009cd8e5772d5870657a4da7ffd9e5d69b8b12479a2c4fc35d410ca4376ff53af400760007b75c1be57d68fff1b0c61d2315c7bae6577c5794b76aeebc613a1a69d3a21c0000016e2886bf970000040300473045022100eb3c734ec3026dab4975b278af98e0ea780dc1f00baf5e2b3399d5cf69843af80220695de0c57ac6e72526cf047c6a27398c9b8fc2101874547c07ce22b3160ce251
 . . . . [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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