go.epfl.ch

Issued by R3

About this certificate

This digital certificate with serial number 03:41:bd:c0:54:79:f9:a5:6a:3c:a5:a3:68:ce:48:d7:17:d3 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=go.epfl.ch

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:41:bd:c0:54:79:f9:a5:6a:3c:a5:a3:68:ce:48:d7:17:d3
Serial Number (int): 283707434370728203964736184503942960846803
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: b8:45:41:e0:fa:61:1c:a8:41:71:6f:d9:39:4a:e0:d7:a3:75:96:87
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 60:2c:20:ac:bd:d6:94:c2:69:10:05:56:d4:f4:f0:6d:06:a6:85:3f
Fingerprint (sha256): 03:03:16:41:93:fb:20:d6:e0:4b:d4:ef:f5:33:a4:8e:6c:47:6b:22:fe:c6:c8:f7:c2:7c:51:f9:a3:ec:ca:d6

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

Revocation information

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

Check the revocation status for certificate go.epfl.ch

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for go.epfl.ch

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

go.epfl.ch

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Certificate

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

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----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-----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 283707434370728203964736184503942960846803
 . . . . . . . . [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 2023-04-07 04:54:22 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2023-07-06 04:54:21 +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 'go.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 (4208 bits)
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:2|false] INTEGER 908938220114233094038777115139426150147051018105557606289272535091221108273119761886603028787156087564515301469205921416353763968163357433960020823939009946671635096260711689996875160376748215317000260972341011871529715048903686860920771680843827650986475707897436415561500948256815314814750080733548067474675132177902265195727814046604147605234898060892223519686197968153896105603578977732834319600707232211370733978612068264522558094513820795092274779090722069664241977020197776304415797138056323911308330799969147021556753827596863536766188687909781588863811463403263174527517274622786413342909550039362206593973232296727230499182884354776994278372611070550120789903166325145999770291531210317849636819193478244708705439438287158671490145573014280832251193369631691191220961550593857329946991110406903725857658762310224153213774483726976247925393094126373751104331931363482825759383992266238328820184610882626954570916061718226596586433309168627397743154807564888968375830076328801237134208200748743973504583309747000822288645529600464814740223191682368518970279655792616992513633407856264077649440218823781382047540979814732219021600590709807903777086108666794889419588370580240876297127836071228365853483536405490847812311109527
 . . . . . . . . . . . . . . . . . . . . [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)
							b84541e0fa611ca841716fd9394ae0d7a3759687
 . . . . . . . . . . . . . . . . [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 (14 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'go.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 (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 (245 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (242 bytes)
							00f00076007a328c54d8b72db620ea38e0521ee98416703213854d3bd22bc13a57a352eb52000001875a47b96300000403004730450220331bf5fb5f597bdea22b00fa6ce618661d173818c87f35e4d4c4a705a1c247e1022100c947bf3bd44563dc952f5fdd0e7f816fa39f0ea83de0fed197d11f15f86564d3007600adf7befa7cff10c88b9d3d9c1e3e186ab467295dcfb10c24ca858634ebdc828a000001875a47b9790000040300473045022000b0dcafe475c29d7de7c3c907fcd647f56a829ae95f824447477e315c54c032022100b250b130e500cbcca13041ab0fd5a1f719fb784e94606e6c994ff935f19efcaf
 . . . . [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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