*.sim.edu.sg
- Singapore Institute of Management -
Issued by GlobalSign RSA OV SSL CA 2018
About this certificate
This digital certificate with serial number 28:15:db:f0:44:bd:bc:b6:e7:09:3a:4e was issued on by GlobalSign nv-sa.
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)
Singapore Institute of Management
Organization:
Singapore Institute of Management
State / Province:
Singapore
Locality: Singapore
Country: SG
Locality: Singapore
Country: SG
GlobalSign nv-sa
Organization:
GlobalSign nv-sa
Country:
BE
This certificate has expire since
Certificate Details
Serial Number (hex): 28:15:db:f0:44:bd:bc:b6:e7:09:3a:4eSerial Number (int): 12405826465497358763177884238
Serial Number lenght: 94 bits, 12 octets
SubjectKeyId: 3a:3f:e4:97:06:81:82:56:38:13:45:49:b0:a0:cf:7f:72:89:8d:c8
AuthorityKeyId: f8:ef:7f:f2:cd:78:67:a8:de:6f:8f:24:8d:88:f1:87:03:02:b3:eb
Fingerprint (sha1): 60:90:54:a7:2c:fb:89:10:2a:4b:63:82:7f:da:56:c9:22:66:f9:87
Fingerprint (sha256): 09:44:8f:e8:ae:0c:a7:87:08:cd:08:12:4a:e3:cf:51:93:ab:c7:92:a6:a0:d7:b4:66:3a:12:2b:34:0f:4f:52
Issuing Certificate URL: http://secure.globalsign.com/cacert/gsrsaovsslca2018.crt
Revocation information
OCSP Server: http://ocsp.globalsign.com/gsrsaovsslca2018CRL Distribution Point: http://crl.globalsign.com/gsrsaovsslca2018.crl
Check the revocation status for certificate *.sim.edu.sg
2
DNS Names
0
Email Addresses
0
IP Addresses
Advanced Certificate Properties
Tehnical certificate details for *.sim.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
*.sim.edu.sg
sim.edu.sg
sim.edu.sg
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Certificate
The complete raw certificate details for *.sim.edu.sg in PEM and ASN.1 format.
Certificate (PEM)
-----BEGIN CERTIFICATE----- MIIFMjCCBBqgAwIBAgIMKBXb8ES9vLbnCTpOMA0GCSqGSIb3DQEBCwUAMFAxCzAJ BgNVBAYTAkJFMRkwFwYDVQQKExBHbG9iYWxTaWduIG52LXNhMSYwJAYDVQQDEx1H bG9iYWxTaWduIFJTQSBPViBTU0wgQ0EgMjAxODAeFw0xOTA5MDIwMzUxMDNaFw0y MTExMDUwMjI2MDdaMHgxCzAJBgNVBAYTAlNHMRIwEAYDVQQIEwlTaW5nYXBvcmUx EjAQBgNVBAcTCVNpbmdhcG9yZTEqMCgGA1UEChMhU2luZ2Fwb3JlIEluc3RpdHV0 ZSBvZiBNYW5hZ2VtZW50MRUwEwYDVQQDDAwqLnNpbS5lZHUuc2cwggEiMA0GCSqG SIb3DQEBAQUAA4IBDwAwggEKAoIBAQCbVNEm0hh21i2VQcqGzYbPbKJ2S0Z96DKg cQAl34fW4vkp6JqLnDjEvKE7bLPcy12FhZHUySiraVmuayY6OSl+gB8mitQZ/8nh TFsV5M270it96zzGoR/Dd+7yuyQXry9nGHtDUpwYLY/Vp28hIDTxbjMs18aL68MR vyVxDxqfi7rpKEy8lLfzRP+DCd1CMGEzoezthcUJ3FPy7HoL/X9s23BL94tsU9er GoRkNmGbJ+I4RHUTapsRPyeyZherlaLs16qQH4xETfpMOgLbSjQsA9fO3woDqbEl QVAsDPcHnHn/ZVgBF+SNJ/6H5nheQW5q9+ePn94yHBIQqjj5w8mDAgMBAAGjggHi MIIB3jAOBgNVHQ8BAf8EBAMCBaAwgY4GCCsGAQUFBwEBBIGBMH8wRAYIKwYBBQUH MAKGOGh0dHA6Ly9zZWN1cmUuZ2xvYmFsc2lnbi5jb20vY2FjZXJ0L2dzcnNhb3Zz c2xjYTIwMTguY3J0MDcGCCsGAQUFBzABhitodHRwOi8vb2NzcC5nbG9iYWxzaWdu LmNvbS9nc3JzYW92c3NsY2EyMDE4MFYGA1UdIARPME0wQQYJKwYBBAGgMgEUMDQw MgYIKwYBBQUHAgEWJmh0dHBzOi8vd3d3Lmdsb2JhbHNpZ24uY29tL3JlcG9zaXRv cnkvMAgGBmeBDAECAjAJBgNVHRMEAjAAMD8GA1UdHwQ4MDYwNKAyoDCGLmh0dHA6 Ly9jcmwuZ2xvYmFsc2lnbi5jb20vZ3Nyc2FvdnNzbGNhMjAxOC5jcmwwIwYDVR0R BBwwGoIMKi5zaW0uZWR1LnNnggpzaW0uZWR1LnNnMB0GA1UdJQQWMBQGCCsGAQUF BwMBBggrBgEFBQcDAjAfBgNVHSMEGDAWgBT473/yzXhnqN5vjySNiPGHAwKz6zAd BgNVHQ4EFgQUOj/klwaBglY4E0VJsKDPf3KJjcgwEwYKKwYBBAHWeQIEAwEB/wQC BQAwDQYJKoZIhvcNAQELBQADggEBAIV98WF5v5EkoPA7KcEi/52vdG+5IJl1i6AP wWMc+JAGhoi8QMGPzeNq81Wo1hlBOd9t8gcbUG1EXiAKGZCn6+nNjyJnOLMdhwnn hbRbxNj2U1gq2V5DVb7Jomqm3c/jA7439kA3ZghjAM0t2gJNdH7CbpAafp8dwzFO UXB3pkNL1RA7qulahW5G0lWdK2O+E6mdygdCes/BPLYhLOUPsAyTXaAZOam+Lbv6 ip9CDJtaVhW3997Wo13PRFTFucO02cYBo9pinkak0hpk3m1N5D9ziP/f1ebC9Q+x fDiL8BWxY2HaBTS8Zu4/UHc1/lKNE4tCqts+uV10zKrtArkL4IQ= -----END CERTIFICATE-----
Public Key (PEM)
-----BEGIN PUBLIC KEY----- MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAm1TRJtIYdtYtlUHKhs2G z2yidktGfegyoHEAJd+H1uL5Keiai5w4xLyhO2yz3MtdhYWR1Mkoq2lZrmsmOjkp foAfJorUGf/J4UxbFeTNu9Irfes8xqEfw3fu8rskF68vZxh7Q1KcGC2P1advISA0 8W4zLNfGi+vDEb8lcQ8an4u66ShMvJS380T/gwndQjBhM6Hs7YXFCdxT8ux6C/1/ bNtwS/eLbFPXqxqEZDZhmyfiOER1E2qbET8nsmYXq5Wi7NeqkB+MRE36TDoC20o0 LAPXzt8KA6mxJUFQLAz3B5x5/2VYARfkjSf+h+Z4XkFuavfnj5/eMhwSEKo4+cPJ gwIDAQAB -----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 12405826465497358763177884238 . . . . . . . . [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 'BE' . . . . . . . . . . . . [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 'GlobalSign nv-sa' . . . . . . . . . . . . [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 'GlobalSign RSA OV SSL CA 2018' . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-09-02 03:51:03 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2021-11-05 02:26:07 +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 2.5.4.8 (stateOrProvinceName) . . . . . . . . . . . . . . . . . . . . [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 2.5.4.7 (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 'Singapore Institute of Management' . . . . . . . . . . . . [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 '*.sim.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 19608762090584448886905125601397524820109168628479112589801584529038032419447942902967507222690187624324359433564352217707090209624115917282385764037946904350517713163745597221407087275959583549479101517214347679544761130513207699967373506380318928238357339572648842909575667822715015280389218596083036901273487052515975083327554912976075924598899563549635464255277419887907299509607507123771103916997588805372872158493109255698153967039662364543948430650624223334492532477916095832282052685046272711462083812001620299394165903957003283436718429656288369428102251982225952801070416050050258281488324255925335998318979 . . . . . . . . . . . . . . . . . . . . [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 1.3.6.1.5.5.7.1.1 (authorityInfoAccess) . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (129 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.48.2 (caIssuers) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:6|false] IA5String 'http://secure.globalsign.com/cacert/gsrsaovsslca2018.crt' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [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.globalsign.com/gsrsaovsslca2018' . . . . . . . . . . . . . . . . [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 (79 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.4.1.4146.1.20 (globalsignOVPolicy) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [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.globalsign.com/repository/' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.23.140.1.2.2 (Organization Validation Certificates Policy) . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.19 (basicConstraints) . . . . . . . . . . . . . . . . . . . . [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 2.5.29.31 (cRLDistributionPoints) . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (56 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.globalsign.com/gsrsaovsslca2018.crl' . . . . . . . . . . . . . . . . [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 (28 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String '*.sim.edu.sg' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'sim.edu.sg' . . . . . . . . . . . . . . . . [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 2.5.29.35 (authorityKeyIdentifier) . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (24 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:0|false] OtherName f8ef7ff2cd7867a8de6f8f248d88f1870302b3eb . . . . . . . . . . . . . . . . [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) 3a3fe4970681825638134549b0a0cf7f72898dc8 . . . . . . . . . . . . . . . . [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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