flow.my.cityu.edu

Issued by Amazon RSA 2048 M01

About this certificate

This digital certificate with serial number 0e:1b:b7:7a:22:52:bc:10:1d:39:86:fa:b9:68:ca:5f was issued on by Amazon.

With 2 subject alternative names this certificate can be used to secure multiple fqdn's. 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:
  • Subscriber Certificate: commonName is deprecated. (BRs: 7.1.4.2.2)

Certificate Subject

CN=flow.my.cityu.edu

Amazon

Organization: Amazon
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 0e:1b:b7:7a:22:52:bc:10:1d:39:86:fa:b9:68:ca:5f
Serial Number (int): 18753105313585067915847070317965527647
Serial Number lenght: 124 bits, 16 octets

SubjectKeyId: 64:89:53:8d:56:41:2d:55:69:ff:8c:19:c9:dc:0f:2c:2a:61:e6:30
AuthorityKeyId: 81:b8:0e:63:8a:89:12:18:e5:fa:3b:3b:50:95:9f:e6:e5:90:13:85

Fingerprint (sha1): c0:07:ba:89:a1:29:a8:ce:59:d8:43:0b:48:c3:f4:f2:c7:7a:09:8c
Fingerprint (sha256): 63:f1:2a:0f:c9:88:99:46:6a:81:b3:cd:c6:a2:24:fa:6f:ee:08:aa:22:e1:cd:5e:97:00:0b:e6:ee:37:36:19

Issuing Certificate URL: http://crt.r2m01.amazontrust.com/r2m01.cer

Revocation information

OCSP Server: http://ocsp.r2m01.amazontrust.com
CRL Distribution Point: http://crl.r2m01.amazontrust.com/r2m01.crl

Check the revocation status for certificate flow.my.cityu.edu

2

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for flow.my.cityu.edu

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

10 extensions
No unhandled critical extensions

CA Certificate

This is not a CA certificate

Subject Alternative Names

flow.my.cityu.edu
flow.cityu.pathify.com

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info.cityu.edu
*.cityu.edu
www.cityu.edu
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cityu.edu
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www.cityu.edu
videos.cityu.edu
cityu.edu
flow.my.cityu.edu
my2.cityu.edu
us-east-1-san4.blackboard.com
info.cityu.edu
cityu.edu
cc19.status.jasper.com
my2.cityu.edu
apps.cityu.edu
cc19.status.jasper.com
www.cityu.edu
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techsupport.cityu.edu
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*.cityu.edu
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wireless.cityu.edu
cityu.edu
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courses.cityu.edu
cc19.status.jasper.com
cityu.edu
cc19.status.jasper.com
*.Proxy.cityu.edu
my.cityu.edu
cityu.edu
my2.cityu.edu
techsupport.cityu.edu
sanford.cityu.edu
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library.cityu.edu
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us-east-1-san4.blackboard.com
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amer-san2.blackboard.com
library.cityu.edu
seavpn.cityu.edu
my2.cityu.edu

Certificate

The complete raw certificate details for flow.my.cityu.edu in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA25z8o4y3gR2JHnwD225V
jktkvWi3x0gqLQ2b0sWa/sajtq1pUR9rd9wQT0hABxurMnLg/mizj+Ew5G70xW/+
4lbr7RgjJ9RJ63QOguUrBCk1E0ssPpgyLcWsSYZm3D3qa9h5MNFYTkmuTdpQPrnj
VI4tzZOt6Fx/nFnKdmvJdIVXKsOJZj8MNWZB8sKcmTzNS4NOd9KlXrCU2VHxtOz7
LILzzAgENTAyX6bICfpAMK6WeYj441W3BS/YED4BWgTmBqbEQW4J2DjvDMCb471c
jmkbOyHh6lXKTS6oDeA8W3eGLxFIimXU70svSOzHe/eK7C47vLwVW/kDT8huBXvD
NwIDAQAB
-----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 18753105313585067915847070317965527647
 . . . . . . . . [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 'Amazon'
 . . . . . . . . . . . . [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 'Amazon RSA 2048 M01'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2022-12-05 00:00:00 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-01-03 23:59:59 +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 'flow.my.cityu.edu'
 . . . . . . . . [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 27723601898671064589580768266819785834060555033863219609746551367147256134991213156933082169216300417514772772462059187264749345806914032629214283329311711276036304061814464759759181575708434106103856769431009584437505774807386312127957122317797847973010887565627023403111110900669277575704630368336709044359511980278018356971702493225961891887253540773548371435513679182741687911671684009848937901578359056316458546235630806900874127246597166597272127945961480069648885623491514025770263277954221890780343025940007974104992313147777877967030681491850737422606507912771791665228199216799645024966786540742527132877623
 . . . . . . . . . . . . . . . . . . . . [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 2.5.29.35 (authorityKeyIdentifier)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (24 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:0|false] OtherName 81b80e638a891218e5fa3b3b50959fe6e5901385
 . . . . . . . . . . . . . . . . [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)
							6489538d56412d5569ff8c19c9dc0f2c2a61e630
 . . . . . . . . . . . . . . . . [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 (45 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'flow.my.cityu.edu'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'flow.cityu.pathify.com'
 . . . . . . . . . . . . . . . . [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 2.5.29.31 (cRLDistributionPoints)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (52 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://crl.r2m01.amazontrust.com/r2m01.crl'
 . . . . . . . . . . . . . . . . [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 1.3.6.1.5.5.7.1.1 (authorityInfoAccess)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (105 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.r2m01.amazontrust.com'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [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://crt.r2m01.amazontrust.com/r2m01.cer'
 . . . . . . . . . . . . . . . . [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 1.3.6.1.4.1.11129.2.4.3 (CT Precertificate Poison)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:1|false] BOOLEAN true
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (2 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:5|false] NULL 
 . . . . [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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