*.unisim.edu.sg

Issued by DigiCert SHA2 Secure Server CA

About this certificate


This digital certificate with serial number 07:57:04:3e:58:b2:df:91:04:d9:c2:56:fe:44:0b:3c was issued on by DigiCert Inc .

With 3 subject alternative names this certificate can be used to secure multiple fqdn's. 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.

Cerificate errors/warnings *beta

  • ERROR: stateOrProvinceName is required if organizationName is set

SIM University

Organization: SIM University
Locality: Singapore
Country: SG

DigiCert Inc

Organization: DigiCert Inc
Locality: Singapore
Country: SG

Time untill certificate expires

This certificate will expire on

Certificate Details

Serial Number (hex): 07:57:04:3e:58:b2:df:91:04:d9:c2:56:fe:44:0b:3c
Serial Number (int): 9756411866422357028102293975967468348
Serial Number lenght: 123 bits, 16 octets

SubjectKeyId: 16:ac:71:46:41:4c:64:40:d6:be:9d:38:37:e0:ae:aa:97:f6:40:8e
AuthorityKeyId: 0f:80:61:1c:82:31:61:d5:2f:28:e7:8d:46:38:b4:2c:e1:c6:d9:e2

Fingerprint (sha1): e9:f5:c3:18:be:9a:85:d6:20:f4:90:fc:54:d0:94:f7:9f:66:c2:36
Fingerprint (sha256): c7:eb:bf:fc:39:25:41:fb:c1:b1:78:46:2c:a9:cd:fb:a8:cb:8b:86:5e:4a:6c:6f:03:9a:c8:02:5d:bf:aa:87

Issuing Certificate URL: http://cacerts.digicert.com/DigiCertSHA2SecureServerCA.crt

Revocation information

OCSP Server: http://ocsp.digicert.com
CRL Distribution Point: http://crl3.digicert.com/ssca-sha2-g4.crl
CRL Distribution Point: http://crl4.digicert.com/ssca-sha2-g4.crl

Check the revocation status for the current certificate on *.unisim.edu.sg
3
DNS Names
0
Email Addresses
0
IP Addresses

Advanced Certificate Properties

Technical details about this certificate


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

*.unisim.edu.sg
unisim.edu.sg
blackboard.unisim.edu.sg

Certificate

The complete raw certificate details in PEM and ASN.1 format.

Certificate (PEM)

-----BEGIN CERTIFICATE----- MIIFIjCCBAqgAwIBAgIQB1cEPliy35EE2cJW/kQLPDANBgkqhkiG9w0BAQsFADBN MQswCQYDVQQGEwJVUzEVMBMGA1UEChMMRGlnaUNlcnQgSW5jMScwJQYDVQQDEx5E aWdpQ2VydCBTSEEyIFNlY3VyZSBTZXJ2ZXIgQ0EwHhcNMTUwMTE5MDAwMDAwWhcN MTgwMTIzMTIwMDAwWjBUMQswCQYDVQQGEwJTRzESMBAGA1UEBxMJU2luZ2Fwb3Jl MRcwFQYDVQQKEw5TSU0gVW5pdmVyc2l0eTEYMBYGA1UEAwwPKi51bmlzaW0uZWR1 LnNnMIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAqpaPZLN4+mVdjz3n qOS7UJ76t5h3+yGNgjLinnQEicdbwlzXy3CeZvTFZJtD5UPbGTOYHXMVnLT0SATA 1Y/JPfzo0tAcgN+GVxrfdUJJX+D74ykjQ3MVY96tMT2rAMDdawJMCXamBYsHk8i8 WmeRQOoLETXGxbmc32WNbPSahlSV1kODzNEtWaoQxXXMA4t9Tgbg3OUYvXo792nk /4DocSXWlprQ/0jbhKyXO5T0UO4z8/Ow0ru8Q9dqXqFWvd3hQ6ljlY2kE56LwEpa SlA0mV64t04FioghpGOLdj46nQrn5YnzUyQmMjvKlRs1qNv1/C1jMsb0FFTfzXa1 zkeq8QIDAQABo4IB9TCCAfEwHwYDVR0jBBgwFoAUD4BhHIIxYdUvKOeNRji0LOHG 2eIwHQYDVR0OBBYEFBascUZBTGRA1r6dODfgrqqX9kCOMEMGA1UdEQQ8MDqCDyou dW5pc2ltLmVkdS5zZ4INdW5pc2ltLmVkdS5zZ4IYYmxhY2tib2FyZC51bmlzaW0u ZWR1LnNnMA4GA1UdDwEB/wQEAwIFoDAdBgNVHSUEFjAUBggrBgEFBQcDAQYIKwYB BQUHAwIwawYDVR0fBGQwYjAvoC2gK4YpaHR0cDovL2NybDMuZGlnaWNlcnQuY29t L3NzY2Etc2hhMi1nNC5jcmwwL6AtoCuGKWh0dHA6Ly9jcmw0LmRpZ2ljZXJ0LmNv bS9zc2NhLXNoYTItZzQuY3JsMEIGA1UdIAQ7MDkwNwYJYIZIAYb9bAEBMCowKAYI KwYBBQUHAgEWHGh0dHBzOi8vd3d3LmRpZ2ljZXJ0LmNvbS9DUFMwfAYIKwYBBQUH AQEEcDBuMCQGCCsGAQUFBzABhhhodHRwOi8vb2NzcC5kaWdpY2VydC5jb20wRgYI KwYBBQUHMAKGOmh0dHA6Ly9jYWNlcnRzLmRpZ2ljZXJ0LmNvbS9EaWdpQ2VydFNI QTJTZWN1cmVTZXJ2ZXJDQS5jcnQwDAYDVR0TAQH/BAIwADANBgkqhkiG9w0BAQsF AAOCAQEApp0dnijAvAK37cWAz5Qhlv1qIVGY1mpBZwJ79rnApAYKVlZG71CHwd2l YvBXnTGm3fFCXiUTViEcveVDCj4Jzn67FQgonTsfZreqVSRBsxM4RdihtgcSexWQ Rhbh45J1+4Zj/u7fB28deq3gfpRSJ4hRzTDV9WCFuruzwItY2k6tsIEq92p1Szq3 nMgf8aMfpwUFHW/RHjxahasfA1nLkjCOfdkaVhvYrTxLgkferCeK90qVCdb+RfgQ FEfHfFotxVraVwWogGGMtl7C5UwZF55sIDfGNs1jPKGWrHhuOe/Jd4+yCcXGbpbq 2zWsEfDYwcsXu3WFy/jHSKDhF6FDSA== -----END CERTIFICATE-----

Public Key (PEM)

-----BEGIN PUBLIC KEY----- MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAqpaPZLN4+mVdjz3nqOS7 UJ76t5h3+yGNgjLinnQEicdbwlzXy3CeZvTFZJtD5UPbGTOYHXMVnLT0SATA1Y/J Pfzo0tAcgN+GVxrfdUJJX+D74ykjQ3MVY96tMT2rAMDdawJMCXamBYsHk8i8WmeR QOoLETXGxbmc32WNbPSahlSV1kODzNEtWaoQxXXMA4t9Tgbg3OUYvXo792nk/4Do cSXWlprQ/0jbhKyXO5T0UO4z8/Ow0ru8Q9dqXqFWvd3hQ6ljlY2kE56LwEpaSlA0 mV64t04FioghpGOLdj46nQrn5YnzUyQmMjvKlRs1qNv1/C1jMsb0FFTfzXa1zkeq 8QIDAQAB -----END PUBLIC KEY-----

ASN1 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 9756411866422357028102293975967468348 . . . . . . . . [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 'DigiCert Inc' . . . . . . . . . . . . [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 'DigiCert SHA2 Secure Server CA' . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2015-01-19 00:00:00 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2018-01-23 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 2.5.4.6 (countryName) . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'SG' . . . . . . . . . . . . [c:0|t:17|true] SET, SET OF . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.4.7 (localityName) . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'Singapore' . . . . . . . . . . . . [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 'SIM University' . . . . . . . . . . . . [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:12|false] UTF8String '*.unisim.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 21534755811604425283408784066806283885468417103263046145978288562211799469704777434471867564428739580489004702273220417887895721117429835923014484737119353161604899366306501070118396841482697847896492170179977977906097279682373850922485491266212468950788521996106522657982383393794930374941346047942988014748810824875757188891546066680689245518149233641014426486724483177539379910162933961741268305296861784747717395023529444289873118575085734571222720912526098207644048320654482991867827365934999614627770582009637207693921664630683322106243456884466515884883553868040742146169496387765113181642632377030730974735089 . . . . . . . . . . . . . . . . . . . . [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 0f80611c823161d52f28e78d4638b42ce1c6d9e2 . . . . . . . . . . . . . . . . [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) 16ac7146414c6440d6be9d3837e0aeaa97f6408e . . . . . . . . . . . . . . . . [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 (60 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String '*.unisim.edu.sg' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'unisim.edu.sg' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'blackboard.unisim.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 (100 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://crl3.digicert.com/ssca-sha2-g4.crl' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [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://crl4.digicert.com/ssca-sha2-g4.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 (59 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.16.840.1.114412.1.1 (digiCertOVCert) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.2.1 (cps) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:22|false] IA5String 'https://www.digicert.com/CPS' . . . . . . . . . . . . . . . . [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 (112 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.digicert.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://cacerts.digicert.com/DigiCertSHA2SecureServerCA.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 1.2.840.113549.1.1.11 (sha256WithRSAEncryption) . . . . . . . . [c:0|t:5|false] NULL . . . . [c:0|t:3|false] BIT STRING (2048 bits) 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