learning.curtin.edu.sg

Issued by Amazon

About this certificate

This digital certificate with serial number 04:64:d1:a8:12:46:6d:1d:1b:70:bd:56:06:69:40:3c 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=learning.curtin.edu.sg

Amazon

Organization: Amazon
Organization unit: Server CA 1B
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 04:64:d1:a8:12:46:6d:1d:1b:70:bd:56:06:69:40:3c
Serial Number (int): 5840394008587482109032333186714648636
Serial Number lenght: 123 bits, 16 octets

SubjectKeyId: b0:23:92:c4:aa:dd:fc:21:cc:bd:6c:26:c2:89:e6:06:c6:d4:3a:ed
AuthorityKeyId: 59:a4:66:06:52:a0:7b:95:92:3c:a3:94:07:27:96:74:5b:f9:3d:d0

Fingerprint (sha1): 9c:00:b6:06:a4:3e:98:5c:6a:33:a6:d7:cb:c5:3a:91:14:cf:12:5f
Fingerprint (sha256): b4:cf:ee:d5:10:9b:fc:51:bd:be:9d:27:f6:2b:c9:55:11:c6:2b:71:e5:69:8d:76:9b:55:83:83:f0:6b:07:a4

Issuing Certificate URL: http://crt.sca1b.amazontrust.com/sca1b.crt

Revocation information

OCSP Server: http://ocsp.sca1b.amazontrust.com
CRL Distribution Point: http://crl.sca1b.amazontrust.com/sca1b.crl

Check the revocation status for certificate learning.curtin.edu.sg

2

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for learning.curtin.edu.sg

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

learning.curtin.edu.sg
m-learning.curtin.edu.sg

Other certificates including the domain name curtin.edu.sg

(limited to 100 certificates)
moodle.curtin.edu.sg
*.curtin.edu.sg
*.curtin.edu.sg
study.curtin.edu.sg
learning.curtin.edu.sg
study.curtin.edu.sg
*.curtin.edu.sg
study.curtin.edu.sg
mail.curtin.edu.sg
*.curtin.edu.sg
moodle.curtin.edu.sg
*.curtin.edu.sg
learning.curtin.edu.sg
*.curtin.edu.sg
study.curtin.edu.sg
moodle.curtin.edu.sg
www.curtin.edu.sg
moodle.curtin.edu.sg
study.curtin.edu.sg
info.curtin.edu.sg
moodle.curtin.edu.sg
moodle.curtin.edu.sg
sas.curtin.edu.sg
sslvpn.curtin.edu.sg
moodle.curtin.edu.sg
info.curtin.edu.sg
apply.curtin.edu.sg
*.curtin.edu.sg
study.curtin.edu.sg
learning.curtin.edu.sg
learning.curtin.edu.sg
wifi.curtin.edu.sg
mail.curtin.edu.sg
learning.curtin.edu.sg
www.curtin.edu.sg
apply.curtin.edu.sg
wifi.curtin.edu.sg
study.curtin.edu.sg
wifi.curtin.edu.sg
learning.curtin.edu.sg
study.curtin.edu.sg
wifi.curtin.edu.sg
wifi.curtin.edu.sg
www.curtin.edu.sg
moodle.curtin.edu.sg
moodle.curtin.edu.sg
learning.curtin.edu.sg
www.curtin.edu.sg
study.curtin.edu.sg
wifi.curtin.edu.sg
*.curtin.edu.sg
learning.curtin.edu.sg
moodle.curtin.edu.sg
*.curtin.edu.sg

Certificate

The complete raw certificate details for learning.curtin.edu.sg in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEApk8G4aKy1y9KC2Cyom2k
uo32Dy5tEkH7lUYBeI3DmOCnD8QUO994p6ybLx24yxp57D3s/8Od44ARfHuZHwQ+
59mrl3UMmvSVP2WubbXJ+7wVEUP52UJQDj7Z0EijFL4fu2KOEil0ac4PWe2ayeFM
rvNeZP9p1Zc+eAHIiVsv6Y2qNyuJ8xQtEP3QarIkSooln/hMv/xtAQWn0VbBAkJ3
spIzGRIYCcGlLmRxDdLdbVYj3+b4Ho+n2q/bK5ZI8P12ngw23KIOAvi+nIAd90uW
rwu5eDHX4UUQn+JjmdffBi+5vv62uQ6VR2e8vcvQ9S97W5FLu7DJ/WlsMHuuoMW+
VwIDAQAB
-----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 5840394008587482109032333186714648636
 . . . . . . . . [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 2.5.4.11 (organizationalUnitName)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'Server CA 1B'
 . . . . . . . . . . . . [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'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-08-16 00:00:00 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-09-16 12:00:00 +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 'learning.curtin.edu.sg'
 . . . . . . . . [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 20994528231520512334638675222762290509540835449108881455801225271543183789682218429497038169968481967335931421055782249064408992626719162172109702039535568602312308045634133646516745451459530975266188647545873945548936357678422005320652055297460078838666114636209248137864062700952643855102390874322418195611359184261943730039343050440575870309557131431350136319988896195742929883045928649095228904612914742025469898678155142966141170784890535425893617591341383381968603440434815691257594378496659342184084908692798917582061140362048326880848900424814306279832297269933124984984311606486288024817980581878977050033751
 . . . . . . . . . . . . . . . . . . . . [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 59a4660652a07b95923ca394072796745bf93dd0
 . . . . . . . . . . . . . . . . [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)
							b02392c4aaddfc21ccbd6c26c289e606c6d43aed
 . . . . . . . . . . . . . . . . [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 (52 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'learning.curtin.edu.sg'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'm-learning.curtin.edu.sg'
 . . . . . . . . . . . . . . . . [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.sca1b.amazontrust.com/sca1b.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 (25 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.16.840.1.114412.1.2 (digiCertDVCert)
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [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.sca1b.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.sca1b.amazontrust.com/sca1b.crt'
 . . . . . . . . . . . . . . . . [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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