citadel-engineering.com

Issued by GTS CA 1P5

About this certificate

This digital certificate with serial number aa:54:f6:45:16:ea:83:28:0e:a5:b2:c9:c4:14:f1:c6 was issued on by Google Trust Services LLC.

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=citadel-engineering.com

Google Trust Services LLC

Organization: Google Trust Services LLC
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): aa:54:f6:45:16:ea:83:28:0e:a5:b2:c9:c4:14:f1:c6
Serial Number (int): 226409907166150513936401226795729613254
Serial Number lenght: 128 bits, 16 octets

SubjectKeyId: 6a:51:9b:29:71:7b:8e:45:d0:41:0e:27:22:01:44:98:ba:61:2a:69
AuthorityKeyId: d5:fc:9e:0d:df:1e:ca:dd:08:97:97:6e:2b:c5:5f:c5:2b:f5:ec:b8

Fingerprint (sha1): e7:5c:02:7c:a9:33:1e:b3:67:ba:39:02:8e:85:db:be:79:77:df:1a
Fingerprint (sha256): dc:2e:19:9f:1e:01:27:22:33:a1:bc:91:da:83:13:b5:60:68:12:4b:a6:32:22:f8:b1:97:c0:d2:4f:5b:85:10

Issuing Certificate URL: http://pki.goog/repo/certs/gts1p5.der

Revocation information

OCSP Server: http://ocsp.pki.goog/s/gts1p5/ty1Y_725B2U
CRL Distribution Point: http://crls.pki.goog/gts1p5/jLygdbXX6mo.crl

Check the revocation status for certificate citadel-engineering.com

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for citadel-engineering.com

Public Key Algorithm

RSA

Key Size

2048

Signature Algorithm

SHA256 with RSA

Key Usage

Digital Signature
Key Encipherment

Extended Key Usages

Server Authentication

Extensions

10 extensions
No unhandled critical extensions

CA Certificate

This is not a CA certificate

Subject Alternative Names

citadel-engineering.com

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Certificate

The complete raw certificate details for citadel-engineering.com in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA5uky9RO4Eux7pQMdOcDJ
Z2VZvAs6eTBU79yyrZPtHkFzhEmXRplXOUQgWogyYa7a86OnocEqZoBSC90c0ZQP
dwUHxYgs3uAlPcZre0QimnK1pTbhxDfv4JdKKP4/cYNupmGvm3AEEdp//z52s+PV
DiY64WiQG+8+gRGgdwMtqNNYcnkLVpHhlwQoDKk6NjUM84a8aapnqiCVFk+qRg9e
2WKcg3qYEMancKmawTLm8Up1epm/9gsjm+OX1c+rw0bWBUZvcBOLcIn82Ee6IT98
WOekqMmC/o2auawJXqKPRnz1tHi7p7DTXhsjPtnrudKYv5HxjJ98vX7mmLjn0RBK
FwIDAQAB
-----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 226409907166150513936401226795729613254
 . . . . . . . . [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 'Google Trust Services LLC'
 . . . . . . . . . . . . [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 'GTS CA 1P5'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2023-12-02 01:00:41 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-03-01 01:00:40 +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 'citadel-engineering.com'
 . . . . . . . . [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 29149804880686071023053739619509752036223412356937979061367268902821884464426880200702329883462840020397746274391309013589244257769921129756460957843357842874345224162290775260068933350378255447479526526121356158912133622753254394710711196516108684931113651352026553848769482899355622460061966298667813142905440208084881301330466092187239986962871020474829313286913118102244835890970462889109069831337414190619875431182944579024275633419000591360645201538347451018705766530174034873809168210778029289286696241576212856723902923336203080148196452159560012004934545665589791270017775749554454880472508686396074430056983
 . . . . . . . . . . . . . . . . . . . . [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 (12 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: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)
							6a519b29717b8e45d0410e2722014498ba612a69
 . . . . . . . . . . . . . . . . [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 d5fc9e0ddf1ecadd0897976e2bc55fc52bf5ecb8
 . . . . . . . . . . . . . . . . [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 (108 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://ocsp.pki.goog/s/gts1p5/ty1Y_725B2U'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [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://pki.goog/repo/certs/gts1p5.der'
 . . . . . . . . . . . . . . . . [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 (27 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'citadel-engineering.com'
 . . . . . . . . . . . . . . . . [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 (26 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 1.3.6.1.4.1.11129.2.5.3
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.31 (cRLDistributionPoints)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (53 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:0|true] OtherName 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:0|true] OtherName 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:6|false] IA5String 'http://crls.pki.goog/gts1p5/jLygdbXX6mo.crl'
 . . . . . . . . . . . . . . . . [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)
							00ef007600eecdd064d5db1acec55cb79db4cd13a23287467cbcecdec351485946711fb59b0000018c2841ad0c0000040300473045022100d0d6ce5d32d5bd5fc9f090cb60889373e3542ad767c64856a4fb1c9e2a98536102207d85f752baa0bc1af1b365ed300095dfa7c8e0d1e19fda0336df484fb1b958d6007500dab6bf6b3fb5b6229f9bc2bb5c6be87091716cbb51848534bda43d3048d7fbab0000018c2841ad49000004030046304402200a7e45f9fa58487cc38db3b5d5216ef3e146dc7b3a69f5354aa091c11b2394cd02202934b08cdc9f567be7325ab066eb12761277f0b5250f0bae5b6abe6f6d7014ac
 . . . . [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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