forum-epfl.ch

Issued by R3

About this certificate

This digital certificate with serial number 04:b6:e3:8a:61:fb:92:2b:81:3c:2e:b2:e8:ce:29:c5:83:d8 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:
  • DV certificate contains a subject common name, this is not recommended. If certificate policy 2.23.140.1.2.1 (CA/B BR domain validated) is included, only country and/or common name is allowed in SubjectDN. (BRs: 7.1.2.7.2)
  • Subscriber certificates use of Subject Key Identifier is NOT RECOMMENDED (BRs v2: 7.1.2.7.6)
  • Subscriber Certificate: commonName is NOT RECOMMENDED. (BRs: 7.1.2.7.1)

Certificate Subject

CN=forum-epfl.ch

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 04:b6:e3:8a:61:fb:92:2b:81:3c:2e:b2:e8:ce:29:c5:83:d8
Serial Number (int): 410682987785986678397023663584291336848344
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: 62:6b:1b:dd:6b:23:98:0f:83:50:b2:f5:37:1f:c2:82:17:13:ed:b1
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 8c:10:23:2e:bd:8b:a1:09:4f:9a:32:2b:f8:87:34:49:4f:1d:d8:d9
Fingerprint (sha256): 2b:ac:af:80:5c:97:41:13:ce:f8:db:cd:66:0a:4d:37:60:e2:cc:25:cf:76:d8:1d:93:21:7e:da:44:52:c2:ae

Issuing Certificate URL: http://r3.i.lencr.org/

Revocation information

OCSP Server: http://r3.o.lencr.org

Check the revocation status for certificate forum-epfl.ch

2

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for forum-epfl.ch

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

forum-epfl.ch
www.forum-epfl.ch

Other certificates including the domain name forum-epfl.ch

(limited to 100 certificates)
forum-epfl.ch
www.forum-epfl.ch
intranet.forum-epfl.ch
intranet.forum-epfl.ch
forum-epfl.ch
forum-epfl.ch
forum-epfl.ch
forum-epfl.ch
forum-epfl.ch
forum-epfl.ch
intranet.forum-epfl.ch
intranet.forum-epfl.ch
forum-epfl.ch
forum-epfl.ch
forum-epfl.ch
intranet.forum-epfl.ch
forum-epfl.ch
www.forum-epfl.ch
forum-epfl.ch
forum-epfl.ch
intranet.forum-epfl.ch
forum-epfl.ch
platform.forumepfl.ch
forum-epfl.ch
intranet.forum-epfl.ch
intranet.forum-epfl.ch
intranet.forum-epfl.ch
intranet.forum-epfl.ch
intranet.forum-epfl.ch
forum-epfl.ch
forum-epfl.ch
forum-epfl.ch
forum-epfl.ch
forum-epfl.ch
platform.forumepfl.ch
forum-epfl.ch
intranet.forum-epfl.ch
www.forum-epfl.ch
forum-epfl.ch
intranet.forum-epfl.ch
forum-epfl.ch
forum-epfl.ch

Certificate

The complete raw certificate details for forum-epfl.ch in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA3cATai91VOmhHw82U0d7
aT/kbGEEhjZLoOVhJhwHrisF9DGtcqXTugb4/vPgu3vZy1NwcBQXXI7Hft2Etyii
ENjlE6hCOFdfZC1aFZAXLsPKyz7zM8dJ4QU+1IWWqVncUjDc86OuTuxzJ5UCiGjq
WrkGCvqGNCjUV9hGYadASkMn2gr6mjlR4Uinv41X45GMswmSeJcXlCMvk2DzyMIO
YflbU6eQFSWbPtT27Sv9ZHjI1QjiTVxcmFso4AGnm/I4PFkYFNOg5J+tASRa1sIS
jzvWydrpcv/KPmFaOvODDCnmV2pEgyBM8IwJPupsN6boS1rdTRMhSik9/Bn6ut0i
qQIDAQAB
-----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 410682987785986678397023663584291336848344
 . . . . . . . . [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 'R3'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2023-10-22 20:27:17 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-01-20 20:27:16 +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 'forum-epfl.ch'
 . . . . . . . . [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 27993381523833344562337600676617891991085269652416232201743196221284769170814697256260761093193555538540976018173497831484514565295770681199601615679539550884225531588622328675895603322431500032957424940305165137924251029452648658013099202704774998351062846997103759949719093764272969288243272404360627476748411711461991630848856843477251700236391230296723398039521114315399184970444897164116711939617199900064026678674231346052172678934758976157223987818773928950914453865036709019642936548590438849513494153832188234450830361244726520987295128585568248808544003544940617797947301642723998275630788205004348777636521
 . . . . . . . . . . . . . . . . . . . . [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)
							626b1bdd6b23980f8350b2f5371fc2821713edb1
 . . . . . . . . . . . . . . . . [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 142eb317b75856cbae500940e61faf9d8b14c2c6
 . . . . . . . . . . . . . . . . [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 (73 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://r3.o.lencr.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://r3.i.lencr.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 (36 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'forum-epfl.ch'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.forum-epfl.ch'
 . . . . . . . . . . . . . . . . [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 (12 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 1.3.6.1.4.1.11129.2.4.2
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (244 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (241 bytes)
							00ef0075003b5377753e2db9804e8b305b06fe403b67d84fc3f4c7bd000d2d726fe1fad4170000018b5948fceb0000040300463044022013375e2a2ed1917865ad874fdc295ab59e8ecc58a92ae5f4d7cbc1a21118d34f02200a762b1fea83f866b5a751d547cbf1895ffe6e0a7801417f8d1e7566f8264cd8007600eecdd064d5db1acec55cb79db4cd13a23287467cbcecdec351485946711fb59b0000018b5948fd2000000403004730450221008af9d5bacc2f4d161f415bb70d2bc79cad8a8a4f85910a49953fe62953a630c3022051add1c8fdf67cb396217a4b5fa4f5b37a9649ac1fd6d19e49022ceb422c51fb
 . . . . [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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