*.sim.edu.sg
- Singapore Institute of Management -
Issued by GlobalSign RSA OV SSL CA 2018
About this certificate
This digital certificate with serial number 01:91:4a:b5:9c:a0:26:c2:35:35:a9:fb 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): 01:91:4a:b5:9c:a0:26:c2:35:35:a9:fbSerial Number (int): 485132058931939275980515835
Serial Number lenght: 89 bits, 12 octets
SubjectKeyId: 81:25:b7:2b:40:59:f8:fc:78:93:f7:f4:9e:06:4c:2d:99:82:82:2f
AuthorityKeyId: f8:ef:7f:f2:cd:78:67:a8:de:6f:8f:24:8d:88:f1:87:03:02:b3:eb
Fingerprint (sha1): 27:87:87:0e:84:c1:c2:d1:37:d1:70:aa:59:9d:a2:c7:f4:79:8d:37
Fingerprint (sha256): 42:3c:90:b2:62:91:69:24:36:fd:64:0b:3d:e8:a4:bc:59:86:b7:6a:29:ec:d2:17:b5:64:4f:50:95:6c:71:b7
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----- MIIFMjCCBBqgAwIBAgIMAZFKtZygJsI1Nan7MA0GCSqGSIb3DQEBCwUAMFAxCzAJ BgNVBAYTAkJFMRkwFwYDVQQKExBHbG9iYWxTaWduIG52LXNhMSYwJAYDVQQDEx1H bG9iYWxTaWduIFJTQSBPViBTU0wgQ0EgMjAxODAeFw0xOTEwMDQwODAyMDNaFw0y MTExMDUwMjI2MDdaMHgxCzAJBgNVBAYTAlNHMRIwEAYDVQQIEwlTaW5nYXBvcmUx EjAQBgNVBAcTCVNpbmdhcG9yZTEqMCgGA1UEChMhU2luZ2Fwb3JlIEluc3RpdHV0 ZSBvZiBNYW5hZ2VtZW50MRUwEwYDVQQDDAwqLnNpbS5lZHUuc2cwggEiMA0GCSqG SIb3DQEBAQUAA4IBDwAwggEKAoIBAQD7+FnKhpE+sFznLKBSVoLs0OSY4ImusujK j73yM6zDukHxJIOdahA/h+WwIm547MuQwhA/DwlAAOE+PF1oUUwI5R/2ICDBn4yf 5FOkZr/XTo3TDqj6VLn3/bXz0HAX1RZW3O+dld0osR4BBEzaggRHj7elDi65JCoN mbecVRGDxC1bhgFIifVpwd70AFUCJ0OU9caxsTWnGeukauiyNMgJ/QY5KutbfDbf lQ8Hba25xIq3geIbh6pa6i66S3W9O2/4LTZlwGZbjwiTYLGvE6JCAw1jsMbeyMDm RisGBLuiELa65aomV2bMm7LQPnutsa8JAU3BRIShnjIMNIpzdWHFAgMBAAGjggHi MIIB3jAOBgNVHQ8BAf8EBAMCBaAwgY4GCCsGAQUFBwEBBIGBMH8wRAYIKwYBBQUH MAKGOGh0dHA6Ly9zZWN1cmUuZ2xvYmFsc2lnbi5jb20vY2FjZXJ0L2dzcnNhb3Zz c2xjYTIwMTguY3J0MDcGCCsGAQUFBzABhitodHRwOi8vb2NzcC5nbG9iYWxzaWdu LmNvbS9nc3JzYW92c3NsY2EyMDE4MFYGA1UdIARPME0wQQYJKwYBBAGgMgEUMDQw MgYIKwYBBQUHAgEWJmh0dHBzOi8vd3d3Lmdsb2JhbHNpZ24uY29tL3JlcG9zaXRv cnkvMAgGBmeBDAECAjAJBgNVHRMEAjAAMD8GA1UdHwQ4MDYwNKAyoDCGLmh0dHA6 Ly9jcmwuZ2xvYmFsc2lnbi5jb20vZ3Nyc2FvdnNzbGNhMjAxOC5jcmwwIwYDVR0R BBwwGoIMKi5zaW0uZWR1LnNnggpzaW0uZWR1LnNnMB0GA1UdJQQWMBQGCCsGAQUF BwMBBggrBgEFBQcDAjAfBgNVHSMEGDAWgBT473/yzXhnqN5vjySNiPGHAwKz6zAd BgNVHQ4EFgQUgSW3K0BZ+Px4k/f0ngZMLZmCgi8wEwYKKwYBBAHWeQIEAwEB/wQC BQAwDQYJKoZIhvcNAQELBQADggEBABsx4qRR7VREjcIg64W05hjo2vtDA1foDIB2 v8NbCRpJx0S/VNHXq0WfmLhI8JvPuhVby73nPwoYzEjwuVaFL3IvotUI9E6It3Is DKwo5K0HJ5QW5FthKRaNqhOt8/QsTM+OV80YvCUKELRUKfg6xQuX+Zp21xFyOhC9 dlVHWoxgoUCdAaqA17au+fLxO/Zwp1mJ/0bkOu4UUlBd9WkQwQMlQVXstkkigDyT fYarO+zJ98glM367YtldJFbA+kvFxkPNzZ+cQwSDIBtv/jdRSfws+3JNhAxZmvK3 atmq7REz7PPdhRQLL9RgWBpfO6C7ui0v57P1ZUWtubZgZ7jrx24= -----END CERTIFICATE-----
Public Key (PEM)
-----BEGIN PUBLIC KEY----- MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA+/hZyoaRPrBc5yygUlaC 7NDkmOCJrrLoyo+98jOsw7pB8SSDnWoQP4flsCJueOzLkMIQPw8JQADhPjxdaFFM COUf9iAgwZ+Mn+RTpGa/106N0w6o+lS59/2189BwF9UWVtzvnZXdKLEeAQRM2oIE R4+3pQ4uuSQqDZm3nFURg8QtW4YBSIn1acHe9ABVAidDlPXGsbE1pxnrpGrosjTI Cf0GOSrrW3w235UPB22tucSKt4HiG4eqWuouukt1vTtv+C02ZcBmW48Ik2CxrxOi QgMNY7DG3sjA5kYrBgS7ohC2uuWqJldmzJuy0D57rbGvCQFNwUSEoZ4yDDSKc3Vh xQIDAQAB -----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 485132058931939275980515835 . . . . . . . . [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 2019-10-04 08:02:03 +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 31808280863984821118568914175821233172013966092200086843665691708992190909783267139739253070411296875409377065012121994470464055814373593189619978418449498743889821721084670224427286955987843839810086966375583477963868820975835473405620576200623595855090768390562315791132699798351364611410983102527593987562982344385164824889750531593142509764651401161894451045862155585854759666726349743539212467168084098154040698953068065559916611968148602336020030955371057852970384708080452950823517281772185943986522690071155737002541006385929526511559181473984762163618515383514693630076216691017844782831306201907459593167301 . . . . . . . . . . . . . . . . . . . . [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) 8125b72b4059f8fc7893f7f49e064c2d9982822f . . . . . . . . . . . . . . . . [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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