www.ns.sg

Issued by Entrust Certification Authority - L1C

About this certificate


This digital certificate with serial number 4c:1d:c5:28 was issued on by Entrust, Inc. .

With 5 subject alternative names this certificate can be used to secure multiple fqdn's. While the 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.

Cerificate errors/warnings *beta

  • ERROR: KeyUsage extension SHOULD be marked as critical when present
  • ERROR: stateOrProvinceName is required if organizationName is set

Defence Science and Technology Agency

Organization: Defence Science and Technology Agency
Locality: Singapore
Country: SG

Entrust, Inc.

Organization: Entrust, Inc.
Organization unit: www.entrust.net/rpa is incorporated by reference
Organization unit: (c) 2009 Entrust, Inc.
Locality: Singapore
Country: SG

Time since certificate expired

This certificate has expire since

Certificate Details

Serial Number (hex): 4c:1d:c5:28
Serial Number (int): 1277019432
Serial Number lenght: 31 bits, 4 octets

SubjectKeyId: b8:3f:92:bd:24:46:83:06:49:70:d7:bb:04:05:b6:0f:7e:53:76:59
AuthorityKeyId: 1e:f1:ab:89:06:f8:49:0f:01:33:77:ee:14:7a:ee:19:7c:93:28:4d

Fingerprint (sha1): bd:84:1f:6b:15:3a:9c:47:f2:82:33:3f:15:ee:ac:a5:4c:8c:52:ec
Fingerprint (sha256): ed:1f:db:94:65:7b:04:cd:0f:91:d1:ec:7b:0f:ee:33:68:4a:e4:d4:7a:8a:9a:ac:09:03:ec:cb:3f:46:fb:a5

Issuing Certificate URL: http://aia.entrust.net/2048-l1c.cer

Revocation information

OCSP Server: http://ocsp.entrust.net
CRL Distribution Point: http://crl.entrust.net/level1c.crl

Check the revocation status for the current certificate on www.ns.sg
5
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

SHA1 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

www.ns.sg
ns.sg
nsconnect.www.ns.sg
nsconnect.ns.sg
lifestyle.www.ns.sg

Certificate

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

Certificate (PEM)

-----BEGIN CERTIFICATE----- MIIFUTCCBDmgAwIBAgIETB3FKDANBgkqhkiG9w0BAQUFADCBsTELMAkGA1UEBhMC VVMxFjAUBgNVBAoTDUVudHJ1c3QsIEluYy4xOTA3BgNVBAsTMHd3dy5lbnRydXN0 Lm5ldC9ycGEgaXMgaW5jb3Jwb3JhdGVkIGJ5IHJlZmVyZW5jZTEfMB0GA1UECxMW KGMpIDIwMDkgRW50cnVzdCwgSW5jLjEuMCwGA1UEAxMlRW50cnVzdCBDZXJ0aWZp Y2F0aW9uIEF1dGhvcml0eSAtIEwxQzAeFw0xMjA5MDgyMDQxMTZaFw0xNTA5MDky MjI3MzNaMGUxCzAJBgNVBAYTAlNHMRIwEAYDVQQHEwlTaW5nYXBvcmUxLjAsBgNV BAoTJURlZmVuY2UgU2NpZW5jZSBhbmQgVGVjaG5vbG9neSBBZ2VuY3kxEjAQBgNV BAMTCXd3dy5ucy5zZzCCASIwDQYJKoZIhvcNAQEBBQADggEPADCCAQoCggEBAMiq kAbfo9ApW4Q8N4WE2Ma/wmnfwimXFsQp/HZTw3tLefjhmHa3n+Ls+vjK3EAsZVIj lFnOuqBXDG+75iFmUfTP93iIYlSOpfGLvVtHGlg8Zv4adQbb3lKU+6DYqphG5rIp auBgyIrA2BMsm8rEQXDtpqBWo1gICOWfGr3+IM3yT2s0rcJ/1Z5ptVwtOkA98R+R mvbxoIKryITXwBLGIxJailUJSDpzSOpy/HOjONni1K6KKJfNU+XGbXIpd9k5U/hM QP5+oe4Uv+8BK7bbGuUnpch6ps98j9zImM48bYwgOS71AeDSTonyWyYrMcDqIK/c 2V/JIP3RKvnfKxGScVkCAwEAAaOCAbowggG2MAsGA1UdDwQEAwIFoDAdBgNVHSUE FjAUBggrBgEFBQcDAQYIKwYBBQUHAwIwMwYDVR0fBCwwKjAooCagJIYiaHR0cDov L2NybC5lbnRydXN0Lm5ldC9sZXZlbDFjLmNybDBkBggrBgEFBQcBAQRYMFYwIwYI KwYBBQUHMAGGF2h0dHA6Ly9vY3NwLmVudHJ1c3QubmV0MC8GCCsGAQUFBzAChiNo dHRwOi8vYWlhLmVudHJ1c3QubmV0LzIwNDgtbDFjLmNlcjBKBgNVHSAEQzBBMDUG CSqGSIb2fQdLAjAoMCYGCCsGAQUFBwIBFhpodHRwOi8vd3d3LmVudHJ1c3QubmV0 L3JwYTAIBgZngQwBAgIwVgYDVR0RBE8wTYIJd3d3Lm5zLnNnggVucy5zZ4ITbnNj b25uZWN0Lnd3dy5ucy5zZ4IPbnNjb25uZWN0Lm5zLnNnghNsaWZlc3R5bGUud3d3 Lm5zLnNnMB8GA1UdIwQYMBaAFB7xq4kG+EkPATN37hR67hl8kyhNMB0GA1UdDgQW BBS4P5K9JEaDBklw17sEBbYPflN2WTAJBgNVHRMEAjAAMA0GCSqGSIb3DQEBBQUA A4IBAQCJMsy3wgTghvUlvCCA3UBTAU0GMtL38z8FEGYrGDffrsH7Uauz5sLHWuaX TLG0HFEjhK/ePn82Kbv5VzE+PjeOwzMO7ZQK7HoMWWEG9BllgIjh09ucNg6faNci WqUTPMtFCJG8QjgSZb0iBPoryM+ZHE0q248tTUIPP/IAhBJ//hns1urZOySyaIdG y545C2bngVBD58nO32ydS7V7mQ7VUyCEorOuKYyBcgxFVsDqf7jt+qegFBwcbyJs 1QQ04vCDShkhw5PknEV3LpQdL0whcU9QqaFVAjWgf5oHngHGx1pIqvoopzgLgv/B eGz1eD/eVWElzLCM/GIn948lT8pq -----END CERTIFICATE-----

Public Key (PEM)

-----BEGIN PUBLIC KEY----- MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAyKqQBt+j0ClbhDw3hYTY xr/Cad/CKZcWxCn8dlPDe0t5+OGYdref4uz6+MrcQCxlUiOUWc66oFcMb7vmIWZR 9M/3eIhiVI6l8Yu9W0caWDxm/hp1BtveUpT7oNiqmEbmsilq4GDIisDYEyybysRB cO2moFajWAgI5Z8avf4gzfJPazStwn/Vnmm1XC06QD3xH5Ga9vGggqvIhNfAEsYj ElqKVQlIOnNI6nL8c6M42eLUroool81T5cZtcil32TlT+ExA/n6h7hS/7wErttsa 5SelyHqmz3yP3MiYzjxtjCA5LvUB4NJOifJbJisxwOogr9zZX8kg/dEq+d8rEZJx WQIDAQAB -----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 1277019432 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.113549.1.1.5 (sha1WithRSAEncryption) . . . . . . . . . . . . [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 'Entrust, Inc.' . . . . . . . . . . . . [c:0|t:17|true] SET, SET OF . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.4.11 (organizationalUnitName) . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'www.entrust.net/rpa is incorporated by reference' . . . . . . . . . . . . [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 '(c) 2009 Entrust, 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 'Entrust Certification Authority - L1C' . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2012-09-08 20:41:16 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2015-09-09 22:27:33 +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 'Defence Science and Technology Agency' . . . . . . . . . . . . [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 'www.ns.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 25331768548410900293820344359285088114989673486897099207023041298486885096838907900894023870431005487160547452052946587575358696474160527011494181802541223757598968353330845714551396060883097065508016769536939971334168119456692106982947387998237275932137026867821690815077788429458604394502048638811623301170913190713261017279968543626979519142404465390090274898603562101940929521918669118716028294205291801198223936610469709109078250462702774124422820479435603100857020205970861183316223739870957115162190069632731665746309052266709226952025528361937306821694804875903647744541032744766238418338093658112183384568153 . . . . . . . . . . . . . . . . . . . . [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: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 (44 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.entrust.net/level1c.crl' . . . . . . . . . . . . . . . . [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 (88 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.entrust.net' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [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://aia.entrust.net/2048-l1c.cer' . . . . . . . . . . . . . . . . [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 (67 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.113533.7.75.2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [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 'http://www.entrust.net/rpa' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [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 2.5.29.17 (subjectAltName) . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (79 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.ns.sg' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'ns.sg' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'nsconnect.www.ns.sg' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'nsconnect.ns.sg' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'lifestyle.www.ns.sg' . . . . . . . . . . . . . . . . [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 1ef1ab8906f8490f013377ee147aee197c93284d . . . . . . . . . . . . . . . . [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) b83f92bd244683064970d7bb0405b60f7e537659 . . . . . . . . . . . . . . . . [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 1.2.840.113549.1.1.5 (sha1WithRSAEncryption) . . . . . . . . [c:0|t:5|false] NULL . . . . [c:0|t:3|false] BIT STRING (2048 bits) 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