platform.forumepfl.ch

Issued by R3

About this certificate

This digital certificate with serial number 03:57:30:f5:ff:0e:14:6e:4e:56:42:a9:68:8f:52:e7:bc:e5 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=platform.forumepfl.ch

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:57:30:f5:ff:0e:14:6e:4e:56:42:a9:68:8f:52:e7:bc:e5
Serial Number (int): 291006503947060369514201714547712038780133
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: cd:57:89:06:56:26:51:76:06:90:63:f1:63:16:16:c2:fc:0e:ba:d9
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): a4:54:cc:ed:ff:29:5d:78:1c:f9:5f:d8:1c:65:6a:7f:6b:29:21:75
Fingerprint (sha256): 72:9b:aa:62:81:57:54:96:b3:3a:8f:16:66:93:0d:bf:6b:04:6a:b3:51:b0:eb:0a:17:5d:98:e4:a8:46:93:db

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

Revocation information

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

Check the revocation status for certificate platform.forumepfl.ch

2

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for platform.forumepfl.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

platform.forum-epfl.ch
platform.forumepfl.ch

Other certificates including the domain name forumepfl.ch

(limited to 100 certificates)
preprod-platform.forumepfl.ch
preprod-platform.forumepfl.ch
platform.forumepfl.ch
preprod-platform.forumepfl.ch
preprod-platform.forumepfl.ch
platform.forumepfl.ch

Certificate

The complete raw certificate details for platform.forumepfl.ch in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA1z5Ih/teh0UwuOs1kVND
OOyE2YUyOsCFsAP28KLVKmLuYlwVzY1CXCwkzB7sZUd6Zc+xgIe2LEfbU/L8UQlP
bFN/N6kGXv6N1PTWw0HZGcbr8J3FrP2tV6BFZa1D/YJ3rnFeqlfCb+Pc1xqZwj0A
7pootRyDMg/Z87MrpJrGcMRnLuMPAuFuNL8uQtRo5Arr22YWLHHftkF/6l7Yi4Qs
qUA6lVSG6XOD5ugWJwUk0yG5J7tw2yl/Jl/Em6mfvDAW4oRT3MrjFzjTwYtJe8uD
duFwtFKhXRXSEHzH8bdXTi+fLj+jV/o2YYLR66kH/GcNgeTHIUc46pIa5KTSASf5
iQIDAQAB
-----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 291006503947060369514201714547712038780133
 . . . . . . . . [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 2023-09-23 17:51:20 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2023-12-22 17:51:19 +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 'platform.forumepfl.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 27171948619911441709414033258150007191050188654032258091748911027283469255506058872564602194416148142469002362139729283751039537106520922699274257133257170335543680814473828920620348449554168602236795779249512331236872088110452078819088297340369138617372936724690771684305051738112246080106761616779261827186639076491699272003511688149920848079224407229271622154789436171478804913936472542804774973380630819043848944299504135703580548620568893500075762311994277146950445281086272959412020847509901751386625771393537653465562909616506182582442975354311778454863357480007871872755752744298718154952180694155399159871881
 . . . . . . . . . . . . . . . . . . . . [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)
							cd57890656265176069063f1631616c2fc0ebad9
 . . . . . . . . . . . . . . . . [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 (49 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'platform.forum-epfl.ch'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'platform.forumepfl.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 (245 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (242 bytes)
							00f00077007a328c54d8b72db620ea38e0521ee98416703213854d3bd22bc13a57a352eb520000018ac361cbc50000040300483046022100e0934a7a640b696f9d22bddcf7510fd73b17d720d23ffe4aca158d4c3b84c07a022100caf17f9a834020a2b7be74a904aafe57b916f8d49a72eced99d8040537af8d94007500adf7befa7cff10c88b9d3d9c1e3e186ab467295dcfb10c24ca858634ebdc828a0000018ac361cc6b0000040300463044022076ab83adb1887d48bf2c264bd3fcdc87f6b335cfae4b28fc746b8d46e21f09e7022059ca0edc6684e908397aa64b148a6ad1274c2ad5236b0d8a8b0907daf32a6ed4
 . . . . [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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