showroom.app

Issued by R3

About this certificate

This digital certificate with serial number 04:ff:c1:09:a0:92:15:b9:ef:28:92:46:00:20:f9:d5:a7:67 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=showroom.app

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 04:ff:c1:09:a0:92:15:b9:ef:28:92:46:00:20:f9:d5:a7:67
Serial Number (int): 435477738282498082623801951796303901337447
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: be:28:e8:3e:49:3b:2b:a7:94:94:82:14:56:ec:4b:6b:b9:7f:49:e6
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): d9:ea:4a:c1:f9:f9:5d:e9:c4:95:3c:28:41:82:c4:65:ef:61:5a:c3
Fingerprint (sha256): 08:8f:86:d6:50:07:f8:32:f2:95:ee:d1:c5:7e:6c:79:56:89:f7:f3:11:86:f6:bd:a8:53:a0:a3:7f:c5:b3:67

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

Revocation information

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

Check the revocation status for certificate showroom.app

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for showroom.app

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

showroom.app

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Certificate

The complete raw certificate details for showroom.app in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAmKIaOxUtRn+/9xvJUGJU
VjHT+dSpdzSI1v8hNXCCnGmB8LyRU9HJ983Xtlnvxvp6W6ZCiBHN7Wcjl19Y7RV4
cJLX7FB2iNHFfCTsVvaR887a2KUqI6wAOGe5C16b1UAqhL5mWIIKexrl+mb3lEwY
5VZP9UNT76Z2pEeESO24es+xytcSnTzQ0Tu2jbaxiACXHFGxOvAV6JwQ619WSv6L
8pgH5j9CCiPQPR9nAbJiueul9/iXnMV4km/fUZhzM5fYhZeVsGVkcC57aVEgWB0l
e4YqgHzLlRP9UXdnMPgDcH3XuwLipVXIxaSEkpTw/xqcKuZKJnG4arBIlFD67DUp
AQIDAQAB
-----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 435477738282498082623801951796303901337447
 . . . . . . . . [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 2024-01-07 22:16:17 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-04-06 22:16:16 +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 'showroom.app'
 . . . . . . . . [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 19268158059098992173531756722347290258975931765059665043328223145851730746584881858014927150799440064619798676926906129169264675106173619162618825089963529398834591666831173645998820787263049327625002465171089174385954015003332803123458241950191443692466382096518914953738779263431128807640368019862802987889600642613685424424078378303146899241311902688039691837467990887816099601704970809277421774548971884962260738511699232509684584702929110899436546336343214415050341468707033456464415336861154485994517965067961874447457396483896735775941740852996457774802960264021165636846894174655187184912927695863556462684417
 . . . . . . . . . . . . . . . . . . . . [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)
							be28e83e493b2ba79494821456ec4b6bb97f49e6
 . . . . . . . . . . . . . . . . [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 (16 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'showroom.app'
 . . . . . . . . . . . . . . . . [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)
							00f000770048b0e36bdaa647340fe56a02fa9d30eb1c5201cb56dd2c81d9bbbfab39d884730000018ce63676390000040300483046022100881e195cc2c851efe1c4454499d114ef941e057f8c0fa03faf750ef7f9ba8dae022100c65a117dc8f181e938317958ef12cb67535afe2a6ee5f9923f5aa0814d9d6dc50075003b5377753e2db9804e8b305b06fe403b67d84fc3f4c7bd000d2d726fe1fad4170000018ce636763700000403004630440220220b3bdfc462e3b8212c1f12e0b5c3eb273c59e12250cf5a40b5f08b92012de502201324c74ec31032a245525805ca951e7d04da52c3e8c2bab10769155e7456ef6e
 . . . . [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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