www.factorygroup.fr

Issued by R3

About this certificate

This digital certificate with serial number 03:3f:df:37:57:33:b0:ab:6c:70:d0:d1:94:b5:27:e9:b1:b5 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:
  • 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=www.factorygroup.fr

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:3f:df:37:57:33:b0:ab:6c:70:d0:d1:94:b5:27:e9:b1:b5
Serial Number (int): 283071352099352067199304598319419001254325
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 8f:18:d5:30:f0:af:33:5c:e8:91:ca:e3:15:b0:a9:f9:5f:78:0b:cb
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 62:ce:64:ec:dc:8e:fa:8c:ba:db:3c:95:5e:16:34:c8:7a:2f:4b:3f
Fingerprint (sha256): e0:d3:24:ae:a8:ea:da:6a:52:c3:c4:6c:b3:92:8d:65:c6:a8:e3:b7:20:86:bc:a8:42:8a:42:e5:49:8f:3b:e1

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

Revocation information

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

Check the revocation status for certificate www.factorygroup.fr

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for www.factorygroup.fr

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

www.factorygroup.fr

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Certificate

The complete raw certificate details for www.factorygroup.fr in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAlAuIs53XsGoKOo+hfOI6
5U/LHY8a1AhAk3+JGR2N45tZLIpoVmguj3muDssZYJ2HBkk97gNDCQvyLn06MBPm
91dhJzi4w7qaHhukrB1T6Z6SDkvpkCPQ28JCrYxzEBYS/H1uk/VwcuSdRNR5/NqS
ifx4f2AFStjFNBtAqkYxJybte6Ht8pZUmlG9ggjLOlJrvjOv3svbOfc/wQ1jhgvU
MqxxsZ0Z0PixJfTAB5YVr7+W6MN/P7y/MYTQ7tsx1MOkuoqYTVZXhxQJuZmlrRsk
/CNuj5UA6PKf3cHqkFqgwxaGi65aM77HQk5AVJjc9CoYdHjbr4MF2ibi8TKMhbJB
jQIDAQAB
-----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 283071352099352067199304598319419001254325
 . . . . . . . . [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 2023-09-29 21:24:50 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2023-12-28 21:24:49 +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 'www.factorygroup.fr'
 . . . . . . . . [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 18688956757786929851962633478321249446455724308950133523242258188047970214284128024879399259211568620681707242799659217819709347629870990206291406539262276705828438931228825563658368181868885170039077584171234731767320181498970227256820984663634316248883294965722801852091566768600202956380499581488254237692857056985892808111847873452279120378400606045349635134043059721870894924179948100295177600364001708919373807628076929624331768121948337973685790255843719941250038074482844670925650228448759392990615808124091274924720773012381491295105808296033281199052402607292435288271335880410083449666771959771624608252301
 . . . . . . . . . . . . . . . . . . . . [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)
							8f18d530f0af335ce891cae315b0a9f95f780bcb
 . . . . . . . . . . . . . . . . [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 (23 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.factorygroup.fr'
 . . . . . . . . . . . . . . . . [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)
							00ef007500b73efb24df9c4dba75f239c5ba58f46c5dfc42cf7a9f35c49e1d098125edb4990000018ae30b6b610000040300463044022055909288c70af112c6db0382b56d5d86a5ebc949f36d940d116a78eb217afc6a022032b1c3ac4b0e676b48655851a03125ea3e1650b33a762570bd9613649f8cb78b0076007a328c54d8b72db620ea38e0521ee98416703213854d3bd22bc13a57a352eb520000018ae30b6b6a0000040300473045022040931c2af0e47855dfe96d4612a033e73f15062e7c427cd0f251e25bf0a603f4022100e450fcbb0b1f1fc58fa4c66bdfc44281db27c5bb28bc1c49a10bbb32a83e8178
 . . . . [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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