architecture-workshop.co.uk

Issued by R3

About this certificate

This digital certificate with serial number 03:12:d2:39:2a:bb:93:02:bf:5e:a2:df:29:fe:c6:7c:17:1c was issued on by Let's Encrypt.

This certificate is currently not expired, we haven't checked the revocation status of this certificate but you can do this simply on revocationcheck.com. 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=architecture-workshop.co.uk

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate will expire on

Certificate Details

Serial Number (hex): 03:12:d2:39:2a:bb:93:02:bf:5e:a2:df:29:fe:c6:7c:17:1c
Serial Number (int): 267741375106615768462247761368816729986844
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 5c:e2:48:e0:61:c8:1a:ea:ff:9e:90:36:29:cc:7b:42:1a:c4:17:96
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 9a:32:22:1b:5e:8a:29:d9:9c:39:a7:ff:fa:d9:5a:a0:f8:22:b9:69
Fingerprint (sha256): 9f:bb:46:fd:ad:fa:bd:ed:0d:63:d8:68:df:4e:20:03:05:4e:48:cc:4b:1e:45:ec:6d:e3:74:7c:70:f0:53:e5

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

Revocation information

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

Check the revocation status for certificate architecture-workshop.co.uk

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for architecture-workshop.co.uk

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

architecture-workshop.co.uk

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Certificate

The complete raw certificate details for architecture-workshop.co.uk in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAwQveQEFYHNfjImurfgPD
J32IocOr3SRkb5eXpTRXfjNdQzuNAdZGWVjSoMIxsY3/Tif6Cm4btJK/nikZTh6d
nFHOczoU8FlMriGNjCLYQ09t9gIZW0Yn813jKqebCJVLqMfKbNDztSkMEnolgbJj
NOG2wU5A4EKn3f9HzKpjagG6S3ca+ij7Mzj4LVLq4WtL1s56p++/pYYErvdJt+6d
ZDxk0eFrOIec9UWT/FGOAwegaQHJMR7iPfmE6Ogv5WbN3O0wUZ/c5ul3jeJNQG9A
km9lSMygH/3899Z8tda5zRKhFzw+2yfqKXblh+1rszEnHuHspowWRdIxQ1fltFaD
TwIDAQAB
-----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 267741375106615768462247761368816729986844
 . . . . . . . . [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 2024-04-17 11:23:37 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-07-16 11:23:36 +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 'architecture-workshop.co.uk'
 . . . . . . . . [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 24369845270191439952249889713959448879228685694603738317942064912035849151729030102017181899372500718841882942659780713662334548757672348449383451802270305740193094635988923169834152544355653702409332646881529071097546623573669694869792971861988718862749516779731428555001018492651138563468625755987636861141452675341431320561344905205714621408632655062125421317146953621849722209089102703306165476939136488443374206143998647787044971262975549643292498087209148662612955737609462205961161777714705510544760992684968913509082815088193502020633508700583510993368779339562347733954562757351121362141352000667630565753679
 . . . . . . . . . . . . . . . . . . . . [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)
							5ce248e061c81aeaff9e903629cc7b421ac41796
 . . . . . . . . . . . . . . . . [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 (31 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'architecture-workshop.co.uk'
 . . . . . . . . . . . . . . . . [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 (246 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (243 bytes)
							00f10076003f174b4fd7224758941d651c84be0d12ed90377f1f856aebc1bf2885ecf8646e0000018eec0337db00000403004730450221009dab8af59f57966213818a9642e17a881f1a96b96b9681873405b9708e99e820022049e9a221cb23a2ab53d866a87d96340fae1a236300de9d22ea806e26682f481c007700eecdd064d5db1acec55cb79db4cd13a23287467cbcecdec351485946711fb59b0000018eec0337d70000040300483046022100f1addc73092706cc61117c236e1d00d0b568361bc51ca0fe7ac9afbf03426764022100c2e190d95fd5daa2e9de7673bd4b4c3c5093c8a4f684fc9613d094d9795c5ab2
 . . . . [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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