www-app.tp.edu.sg

Issued by Entrust Certification Authority - L1C

About this certificate


This digital certificate with serial number 4c:1a:05:26 was issued on by Entrust, Inc. .

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: Certificate contains no Authority Info Access Issuers
  • ERROR: KeyUsage extension SHOULD be marked as critical when present
  • ERROR: Certificate doesn't contain any subjectAltName
  • ERROR: Certificate CN is not listed in subjectAltName

Temasek Polytechnic

Organization: Temasek Polytechnic
Organization unit: CIS
State / Province: Singapore
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.
State / Province: Singapore
Locality: Singapore
Country: SG

Time since certificate expired

This certificate has expire since

Certificate Details

Serial Number (hex): 4c:1a:05:26
Serial Number (int): 1276773670
Serial Number lenght: 31 bits, 4 octets

SubjectKeyId: 2d:3f:0f:46:87:11:80:db:d4:37:bb:d6:ac:d6:a3:c8:3c:48:20:02
AuthorityKeyId: 1e:f1:ab:89:06:f8:49:0f:01:33:77:ee:14:7a:ee:19:7c:93:28:4d

Fingerprint (sha1): c2:d1:ab:d6:61:fb:27:d5:af:38:5e:bd:45:38:13:0b:d1:33:bb:0b
Fingerprint (sha256): 22:9f:19:b7:90:02:2e:e8:b6:20:66:26:ef:bd:53:42:dc:e1:a8:eb:53:ec:2e:29:a8:83:9a:c1:56:5c:1d:3a


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-app.tp.edu.sg
0
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

Extensions

8 extensions
No unhandled critical extensions



CA Certificate

This is not a CA certificate

Subject Alternative Names

This certificate doesn't contain any subject alternative names (DNS Name).

Certificate

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

Certificate (PEM)

-----BEGIN CERTIFICATE----- MIIEzDCCA7SgAwIBAgIETBoFJjANBgkqhkiG9w0BAQUFADCBsTELMAkGA1UEBhMC VVMxFjAUBgNVBAoTDUVudHJ1c3QsIEluYy4xOTA3BgNVBAsTMHd3dy5lbnRydXN0 Lm5ldC9ycGEgaXMgaW5jb3Jwb3JhdGVkIGJ5IHJlZmVyZW5jZTEfMB0GA1UECxMW KGMpIDIwMDkgRW50cnVzdCwgSW5jLjEuMCwGA1UEAxMlRW50cnVzdCBDZXJ0aWZp Y2F0aW9uIEF1dGhvcml0eSAtIEwxQzAeFw0xMTAzMjQwOTQ5MTlaFw0xNTA1MjQy MzQ0MTBaMH0xCzAJBgNVBAYTAlNHMRIwEAYDVQQIEwlTaW5nYXBvcmUxEjAQBgNV BAcTCVNpbmdhcG9yZTEcMBoGA1UEChMTVGVtYXNlayBQb2x5dGVjaG5pYzEMMAoG A1UECxMDQ0lTMRowGAYDVQQDExF3d3ctYXBwLnRwLmVkdS5zZzCCASIwDQYJKoZI hvcNAQEBBQADggEPADCCAQoCggEBAKBUfkwcj2xz7ZQ7SWpW5GSTczEm7oAsKMsL H6xqLn2iAFZJEbjk9UNpy6afqTzNeqaHz/z6+ERrZgTWmbsyCZNI2L5ESWbA8vLt HHJMYEb8J0OHPoSw7JFpCp7lLfDsI4jAPOwZ6guRdlj8BGM4XoYynWtWj/Ys+pAW rCZJw3DTGfAqiIldDX5IuXmBPG11rxKuSmv++GY+V16K+VDv3NK2pIyt8ZcMUAis rU4fsEpBSZC0qx/3MXjHuBd7UbYmL+4BJK7YJMhWakPLzDyM/9peyLO8umAuiSYW awhb8GfbfosVluVpE9kASuvLUq91QczeEuTzIMphM5/VgZob6/sCAwEAAaOCAR0w ggEZMAsGA1UdDwQEAwIFoDATBgNVHSUEDDAKBggrBgEFBQcDATAzBgNVHR8ELDAq MCigJqAkhiJodHRwOi8vY3JsLmVudHJ1c3QubmV0L2xldmVsMWMuY3JsMDMGCCsG AQUFBwEBBCcwJTAjBggrBgEFBQcwAYYXaHR0cDovL29jc3AuZW50cnVzdC5uZXQw QAYDVR0gBDkwNzA1BgkqhkiG9n0HSwIwKDAmBggrBgEFBQcCARYaaHR0cDovL3d3 dy5lbnRydXN0Lm5ldC9ycGEwHwYDVR0jBBgwFoAUHvGriQb4SQ8BM3fuFHruGXyT KE0wHQYDVR0OBBYEFC0/D0aHEYDb1De71qzWo8g8SCACMAkGA1UdEwQCMAAwDQYJ KoZIhvcNAQEFBQADggEBABNwOAmSrmb3Q30sgfNNgGlC6n8apWg/Q9ofKPJ8oixW JJ26NUxnXgFqpkjaCvfbnADa3ast9S1/sP/LjSsiThJvacx1EiQrIhWNSreT1wjV /Kfv7foEK8iuXKM2C4tTJ+zgEV3lDNwx89R/rxWGrHpBlgVZskxPMN0k0qa+zjhT ZdaPJ53FPMQo4PNw0awAbKvYqv8YdnUzlhcGwidynTiU2KOcIKE/9ni7cnYdU0+d +0bnZqiyjaQCBc+ewD6sZkDdXGt3efKY4muT2BoTDmGiIBi+VeG75qw+AZHz2i5L U97Q2yZqkjUp1IDnhAb5XFGJ62mgsdVSN3oYgSQawyk= -----END CERTIFICATE-----

Public Key (PEM)

-----BEGIN PUBLIC KEY----- MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAoFR+TByPbHPtlDtJalbk ZJNzMSbugCwoywsfrGoufaIAVkkRuOT1Q2nLpp+pPM16pofP/Pr4RGtmBNaZuzIJ k0jYvkRJZsDy8u0cckxgRvwnQ4c+hLDskWkKnuUt8OwjiMA87BnqC5F2WPwEYzhe hjKda1aP9iz6kBasJknDcNMZ8CqIiV0Nfki5eYE8bXWvEq5Ka/74Zj5XXor5UO/c 0rakjK3xlwxQCKytTh+wSkFJkLSrH/cxeMe4F3tRtiYv7gEkrtgkyFZqQ8vMPIz/ 2l7Is7y6YC6JJhZrCFvwZ9t+ixWW5WkT2QBK68tSr3VBzN4S5PMgymEzn9WBmhvr +wIDAQAB -----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 1276773670 . . . . . . . . [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 2011-03-24 09:49:19 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2015-05-24 23:44:10 +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 'Temasek Polytechnic' . . . . . . . . . . . . [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 'CIS' . . . . . . . . . . . . [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-app.tp.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 20239794017781455869280728162188515222841415311224368967483713218295697523301737248465925000633290502461049879724814017922297058231993323022841839210830452979621917809068701511914357693432764035358192800844425376530725226325505702550482032416139837280122110051732321922007529046089596758986994842491365369245695659464883248234203563164057937504080717243495599268477262182307501569924205433612498438811088154109833925318289090949638853371876821498885750040318671865589480897905688710064337832998798692168101423900293838445577428895053213529489792199532995517246951072918567392857275798864525501405848838230238918601723 . . . . . . . . . . . . . . . . . . . . [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 (12 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: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 (39 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 2.5.29.32 (certificatePolicies) . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (57 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 2.5.29.35 (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) 2d3f0f46871180dbd437bbd6acd6a3c83c482002 . . . . . . . . . . . . . . . . [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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