forum-epfl.ch

Issued by R3

About this certificate

This digital certificate with serial number 03:a9:a6:b0:5b:4b:76:5f:c9:b9:cb:ae:3b:a1:30:a3:59:4a 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): 03:a9:a6:b0:5b:4b:76:5f:c9:b9:cb:ae:3b:a1:30:a3:59:4a
Serial Number (int): 319066145348144759582353263953758172436810
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: b0:61:49:13:3e:10:a9:5b:02:a1:a7:9f:67:30:fb:70:26:f1:4b:3c
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 42:55:50:21:69:c6:03:77:63:80:1f:ca:c6:4f:fa:e7:c3:0e:e4:49
Fingerprint (sha256): 3e:9b:88:82:ae:13:b5:d5:1f:49:9c:fd:ce:91:c4:c4:09:37:a1:bc:8a:a8:86:d8:40:11:ef:e3:23:94:81:39

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-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA1zNfYhqkJwGuSy908QX0
q3FADfHvd38b/nZZ86Dq+0gnqLmTGOQJq0BbN8hqGxbaXd0hehTsj7qMi9B35o0T
ps7YKnu0ctsmsVQdASWrYM2gSsqT+49+aovjfTHhiAHCzA6M7QprpvkCYUlN7CPL
Uc8m8qjuE6MPFCKaOoo+T5JwK9fEoZjZ64GmzEiN5OPGJXp/XcaUL9UOtp39XS0n
MHN8MP68tMN/JWssm4QbsrLXT4x1Lheans232vaU4t6xI0USDZU4sM9laLpvxmaz
en5M/l4IogaRc1gJ3n/Vy2MJK5GEfoOi1fD/TLihnQS6lS9L8x+8HJ055qt7uvV5
+wIDAQAB
-----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 319066145348144759582353263953758172436810
 . . . . . . . . [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 2023-12-28 01:51:47 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-03-27 01:51:46 +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 27166568336341630253177027331973802475164570408706610610770733948854939505310423531409694773912749147232554306470486367422849759202938200458230537233998062777233613793364736528228775700526276635789371948023065022026139379009292326214908103650508391461035103003584184517377029981860067714979111089274141882411928970945898597890934241248965754389698514420186010777889175004299799015437887957407442773168856434832998696904245652090210318690296922298955384795819213912760571007746197907056926955414069918684702376247948386198097737311552969235007913756431929035702267071490854987826605181768176420072293655104253026728443
 . . . . . . . . . . . . . . . . . . . . [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)
							b06149133e10a95b02a1a79f6730fb7026f14b3c
 . . . . . . . . . . . . . . . . [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 (245 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (242 bytes)
							00f000760048b0e36bdaa647340fe56a02fa9d30eb1c5201cb56dd2c81d9bbbfab39d884730000018cae55cc77000004030047304502201872b5d14c46679b124bf5244e27cffcae0d6ac516e90aa87e0876deda4b3c4602210080dbbf9afdd5e514f31e0674c4e82202b249d5287912c3756bfc94476e6a44480076003b5377753e2db9804e8b305b06fe403b67d84fc3f4c7bd000d2d726fe1fad4170000018cae55cc7f0000040300473045022038be20709d05a163797008238f690adbc93201b2129e53dcb4d73dba7d61c952022100df2aba3116a35db135a1d6df1b53ea5bfc932626175c199f2ec9fd0b8e01f9cf
 . . . . [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)
		009b18fcf574ff1c9b8937d54cebe995c06187259c4aec0a7dff300f7c88387703b514bf3a4be1bf6089cfb901e13b420df2a290d592c334e14e3f8b07b491e31ed804c8c3f24a440271414a7b1d481f2a58bbf354841bf6106f013f3c4b3e95286cedd4eecdce13a11b83b244f0ca45dab31cd2ab6c00a1c9eb31a90c5af32525d5f379de8966d7b34f860d46b4de00c7f96eac97225855cc961863d33373b4809f044fe0bbfa0c62904c14155479c316ad22e4a3c3cdcab7b8ad78a830321db165e94a6f9bb5ed6a8c01579f5dc42f00c533643d09ea8541a3c54a346e3e59a3261d9df439ac0a6077c7a3fb30c1e017066a86c1e2e4f0d86646863fed8a6655