isca.org.sg

Issued by Entrust Certification Authority - L1K

About this certificate


This digital certificate with serial number 50:d2:dc:fd 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: KeyUsage extension SHOULD be marked as critical when present
  • ERROR: stateOrProvinceName is required if organizationName is set

Institute of Singapore Chartered Accountants

Organization: Institute of Singapore Chartered Accountants
Locality: Singapore
Country: SG

Entrust, Inc.

Organization: Entrust, Inc.
Organization unit: See www.entrust.net/legal-terms
Organization unit: (c) 2012 Entrust, Inc. - for authorized use only
Locality: Singapore
Country: SG

Time since certificate expired

This certificate has expire since

Certificate Details

Serial Number (hex): 50:d2:dc:fd
Serial Number (int): 1355996413
Serial Number lenght: 31 bits, 4 octets

SubjectKeyId: b8:0f:e5:27:ed:db:97:29:69:76:fb:57:fa:ff:75:8b:e7:a2:30:16
AuthorityKeyId: 82:a2:70:74:dd:bc:53:3f:cf:7b:d4:f7:cd:7f:a7:60:c6:0a:4c:bf

Fingerprint (sha1): 04:95:cd:97:6a:9d:27:58:d0:5e:3f:cb:e3:77:02:3c:e1:68:18:f7
Fingerprint (sha256): 30:ec:88:7c:cf:5b:92:8b:fa:ed:61:f6:8a:01:32:eb:29:10:70:fe:5c:dd:69:54:f5:a4:f3:46:a2:27:35:90

Issuing Certificate URL: http://aia.entrust.net/l1k-chain256.cer

Revocation information

OCSP Server: http://ocsp.entrust.net
CRL Distribution Point: http://crl.entrust.net/level1k.crl

Check the revocation status for the current certificate on isca.org.sg
1
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

This certificate doesn't contain any other subject alternative names besides the common name of the subject: isca.org.sg

Certificate

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

Certificate (PEM)

-----BEGIN CERTIFICATE----- MIIFKDCCBBCgAwIBAgIEUNLc/TANBgkqhkiG9w0BAQsFADCBujELMAkGA1UEBhMC VVMxFjAUBgNVBAoTDUVudHJ1c3QsIEluYy4xKDAmBgNVBAsTH1NlZSB3d3cuZW50 cnVzdC5uZXQvbGVnYWwtdGVybXMxOTA3BgNVBAsTMChjKSAyMDEyIEVudHJ1c3Qs IEluYy4gLSBmb3IgYXV0aG9yaXplZCB1c2Ugb25seTEuMCwGA1UEAxMlRW50cnVz dCBDZXJ0aWZpY2F0aW9uIEF1dGhvcml0eSAtIEwxSzAeFw0xNDEyMzAwMDUzMzVa Fw0xNjAxMDEwNDM4MzZaMG4xCzAJBgNVBAYTAlNHMRIwEAYDVQQHEwlTaW5nYXBv cmUxNTAzBgNVBAoTLEluc3RpdHV0ZSBvZiBTaW5nYXBvcmUgQ2hhcnRlcmVkIEFj Y291bnRhbnRzMRQwEgYDVQQDEwtpc2NhLm9yZy5zZzCCASIwDQYJKoZIhvcNAQEB BQADggEPADCCAQoCggEBALMn48Yo+oJbmAl2BOeufJq1lPjmwr37VDmjZTpTY1zL 4ANF1+Z1zBiFpxmlPQM11TCCq7LCB3jr6jfXD04FsdpUblXJyTTlK4jrVcSFggbQ mYoo1xiZ+zxNOnjA3nbcIq4LyfvFZ6zLdO5+cm5+rZRrUpjog+6KRIS8LH6xELJD 6tjmGaM5cm8OK0cZ2xAzMkixIPwstn8EMViO+FwRJnF6iGtXEn/HXRCEg2rDBclX kjrrC5AVl7czYZAPTCXjwJmRitZP2X8UT3EJyCwHy+b/cJqvg0Xzj7O7FN25NmaT E0SZZeXZN9fNbDkICu5yCargTIN9qGNghfSA3GezBMMCAwEAAaOCAX8wggF7MAsG A1UdDwQEAwIFoDAdBgNVHSUEFjAUBggrBgEFBQcDAQYIKwYBBQUHAwIwMwYDVR0f BCwwKjAooCagJIYiaHR0cDovL2NybC5lbnRydXN0Lm5ldC9sZXZlbDFrLmNybDBL BgNVHSAERDBCMDYGCmCGSAGG+mwKAQUwKDAmBggrBgEFBQcCARYaaHR0cDovL3d3 dy5lbnRydXN0Lm5ldC9ycGEwCAYGZ4EMAQICMGgGCCsGAQUFBwEBBFwwWjAjBggr BgEFBQcwAYYXaHR0cDovL29jc3AuZW50cnVzdC5uZXQwMwYIKwYBBQUHMAKGJ2h0 dHA6Ly9haWEuZW50cnVzdC5uZXQvbDFrLWNoYWluMjU2LmNlcjAWBgNVHREEDzAN ggtpc2NhLm9yZy5zZzAfBgNVHSMEGDAWgBSConB03bxTP8971PfNf6dgxgpMvzAd BgNVHQ4EFgQUuA/lJ+3blylpdvtX+v91i+eiMBYwCQYDVR0TBAIwADANBgkqhkiG 9w0BAQsFAAOCAQEAQzA5ccyKnmE1hEA2tMnG2fYstQh9/1AiAMwZcDJgO8KnJvsi LKuItSIfbdMXGFD+cCcMn5Jd8xUUFABpMj4c9NIOJ7ndN8Xbh4LIQCWUn+0CybOO vYvKps7qP2QR4O/osgp5hEd8ixcz1Yqs6nyQeUjRjTAuI8QwCxtC25Lxfb0q9POM DjJgVo0mcvl464XiMLlAYdZl7GQBPa4VZi2CB7ZJtnkmW4GVmufVxycOOw3teE2h FlJ/waCKpBOUt2lXqURkymyr8o15RKP7tClIkmTb4bPjp+5zU7sJSr2gdhAxEX6D NnbC6tnOXCFWgtL07unWJzg7QsGasyFncOX+/Q== -----END CERTIFICATE-----

Public Key (PEM)

-----BEGIN PUBLIC KEY----- MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAsyfjxij6gluYCXYE5658 mrWU+ObCvftUOaNlOlNjXMvgA0XX5nXMGIWnGaU9AzXVMIKrssIHeOvqN9cPTgWx 2lRuVcnJNOUriOtVxIWCBtCZiijXGJn7PE06eMDedtwirgvJ+8VnrMt07n5ybn6t lGtSmOiD7opEhLwsfrEQskPq2OYZozlybw4rRxnbEDMySLEg/Cy2fwQxWI74XBEm cXqIa1cSf8ddEISDasMFyVeSOusLkBWXtzNhkA9MJePAmZGK1k/ZfxRPcQnILAfL 5v9wmq+DRfOPs7sU3bk2ZpMTRJll5dk3181sOQgK7nIJquBMg32oY2CF9IDcZ7ME wwIDAQAB -----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 1355996413 . . . . . . . . [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 '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 'See www.entrust.net/legal-terms' . . . . . . . . . . . . [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) 2012 Entrust, Inc. - for authorized use only' . . . . . . . . . . . . [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 - L1K' . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2014-12-30 00:53:35 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2016-01-01 04:38:36 +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 'Institute of Singapore Chartered Accountants' . . . . . . . . . . . . [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 'isca.org.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 22616326954042628415459590817651116744674015242890360589155347053003573381312482504985040300808901512624688244771144863735491018438263821055029839936174470189237400088664497779791796673770046285762733199735961693907236897529108970752965703121466622894209533440745726665344697297389505671851124354072444785807834102282432788340313254205099007165050464883222624030639108134771191084429845966974825291911556127375282974353715232685833643986105488365062088881237749739620731815868753011362151110554883320697765051153259965331941987158579723756536347649585363689609220414064590931105787430329374391245457979711402494067907 . . . . . . . . . . . . . . . . . . . . [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/level1k.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 (68 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.16.840.1.114028.10.1.5 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [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 1.3.6.1.5.5.7.1.1 (authorityInfoAccess) . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (92 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/l1k-chain256.cer' . . . . . . . . . . . . . . . . [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 (15 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'isca.org.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 82a27074ddbc533fcf7bd4f7cd7fa760c60a4cbf . . . . . . . . . . . . . . . . [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) b80fe527eddb97296976fb57faff758be7a23016 . . . . . . . . . . . . . . . . [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 1.2.840.113549.1.1.11 (sha256WithRSAEncryption) . . . . . . . . [c:0|t:5|false] NULL . . . . [c:0|t:3|false] BIT STRING (2048 bits) 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