school.ckchicago.org

Issued by GTS CA 1P5

About this certificate

This digital certificate with serial number 6e:13:b9:87:8e:21:b4:ce:11:64:e7:b9:01:df:0f:f4 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=school.ckchicago.org

Google Trust Services LLC

Organization: Google Trust Services LLC
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 6e:13:b9:87:8e:21:b4:ce:11:64:e7:b9:01:df:0f:f4
Serial Number (int): 146317496162219142503002721051106807796
Serial Number lenght: 127 bits, 16 octets

SubjectKeyId: e5:a3:5d:c6:32:6c:63:1f:38:54:70:00:96:04:96:7b:34:c9:63:47
AuthorityKeyId: d5:fc:9e:0d:df:1e:ca:dd:08:97:97:6e:2b:c5:5f:c5:2b:f5:ec:b8

Fingerprint (sha1): ac:f1:14:a2:e7:5b:81:e5:60:43:f7:3c:37:91:30:e7:fc:54:3a:52
Fingerprint (sha256): 84:85:89:bc:f7:0e:81:2b:4b:84:cd:eb:a1:1e:93:b7:1f:5b:14:53:87:b1:48:7e:b4:8e:ff:44:e5:6d:37:94

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

Revocation information

OCSP Server: http://ocsp.pki.goog/s/gts1p5/jPiOAhFw3yo
CRL Distribution Point: http://crls.pki.goog/gts1p5/OJbMLsBG1CQ.crl

Check the revocation status for certificate school.ckchicago.org

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for school.ckchicago.org

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

school.ckchicago.org

Other certificates including the domain name ckchicago.org

(limited to 100 certificates)
www.mustangsla.org
benchmarkbobcats.org
admin.alturaprep.org
ckchicago.org
ckchicago.org
ckchicago.org
admin.alturaprep.org
school.ckchicago.org
parish.ckchicago.org
coahomak12.org
cyber.scrsd.org
www.ckchicago.org
oglesby.cps.edu
ckchicago.org
wpes.hermistonsd.org

Certificate

The complete raw certificate details for school.ckchicago.org in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA/4GETCOYmv8KKl2CNPkh
flZFWTVUmy46VUrcJSRcjTzOdIzstmTHYkPmLT21tZWUl1ntX/UhnRAVkqgVFqpG
MUHxYfxTaYNm/bFjr0NjhEfCkhXUjIkQOSqbgyEn72Q+SoFWhsxhz6qk0iY5gvIM
87dAaVty/e/Eat5+MO013Z9buEc2hItrTB5X1Tgk2oHqEFvH1Z1vbAsk7c6Xrk7o
vIY8fmuGBxGorMj6E0k/3hC4PMqmNrhPbd2TrVesAAlSR3YMJyclXZiOTwZlhX+o
6UnOZnBBY0YrXxVAkLWXGzu5SLRCYd6IsRiSj4xzKQCK25nFwmOgkJIMetvpee0Q
8QIDAQAB
-----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 146317496162219142503002721051106807796
 . . . . . . . . [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 2024-01-20 20:03:32 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-04-19 20:03:31 +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 'school.ckchicago.org'
 . . . . . . . . [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 32254634874270641697187666144329374503356526882021605382253752107121051616344774911996819526036295658939743357099222824903165462485248511047753323031171121911965834743192983789999427689234397461110411250723237054297171741205579064097898882910994058429036778206794076699041809573938543680731968899680769857565223069561301353208130475493760892040405732833026996265550798355458672656261492032704625872239193189135268609665739605336577986549739161018914856811386295505957592242568167337757135795031071370557179755601301963666181553439536920317810584363627486972468044354942648634002567458261795540551524003460993545736433
 . . . . . . . . . . . . . . . . . . . . [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)
							e5a35dc6326c631f385470009604967b34c96347
 . . . . . . . . . . . . . . . . [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/jPiOAhFw3yo'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [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 (24 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'school.ckchicago.org'
 . . . . . . . . . . . . . . . . [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/OJbMLsBG1CQ.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 (247 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (244 bytes)
							00f200770076ff883f0ab6fb9551c261ccf587ba34b4a4cdbb29dc68420a9fe6674c5a3a740000018d28af99860000040300483046022100f3cc6c3fdac1572c9eb898f79f8ac2e6af8e2216fdbb808178871392ca2e2e42022100f2752afbc1b1e78a65ab096934480a4a82b8c25a68108a65f84371ba873660a5007700dab6bf6b3fb5b6229f9bc2bb5c6be87091716cbb51848534bda43d3048d7fbab0000018d28af99920000040300483046022100979f8fa491efd27f5d06cb08f533a256929a63e74bd174ed3ad71ae73b9fe5c3022100f18ada84f65c1ba089c5573104961432642528c59de4cb253ea5bb9a66aeaad2
 . . . . [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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