estamping.iras.gov.sg

Issued by Entrust Certification Authority - L1C

About this certificate


This digital certificate with serial number 4c:1d:00: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

Inland Revenue Authority of Singapore

Organization: Inland Revenue Authority of Singapore
Organization unit: Estamping
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:00:fd
Serial Number (int): 1276969213
Serial Number lenght: 31 bits, 4 octets

SubjectKeyId: 66:26:ac:db:7d:d3:57:15:19:7c:05:a2:92:d2:80:a5:90:5e:28:78
AuthorityKeyId: 1e:f1:ab:89:06:f8:49:0f:01:33:77:ee:14:7a:ee:19:7c:93:28:4d

Fingerprint (sha1): 8c:8c:2c:f2:f9:08:92:b8:a8:74:83:32:fe:7d:17:7d:50:6c:df:fd
Fingerprint (sha256): 6b:0d:ee:7f:13:c7:24:6f:2a:81:ca:00:01:83:2a:56:9a:cd:0d:f1:65:43:df:06:f1:51:50:c9:b9:bb:6c:f7

Issuing Certificate URL: http://aia.entrust.net/l1c-chain.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 estamping.iras.gov.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

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

This certificate doesn't contain any other subject alternative names besides the common name of the subject: estamping.iras.gov.sg

Certificate

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

Certificate (PEM)

-----BEGIN CERTIFICATE----- MIIFMzCCBBugAwIBAgIETB0A/TANBgkqhkiG9w0BAQUFADCBsTELMAkGA1UEBhMC VVMxFjAUBgNVBAoTDUVudHJ1c3QsIEluYy4xOTA3BgNVBAsTMHd3dy5lbnRydXN0 Lm5ldC9ycGEgaXMgaW5jb3Jwb3JhdGVkIGJ5IHJlZmVyZW5jZTEfMB0GA1UECxMW KGMpIDIwMDkgRW50cnVzdCwgSW5jLjEuMCwGA1UEAxMlRW50cnVzdCBDZXJ0aWZp Y2F0aW9uIEF1dGhvcml0eSAtIEwxQzAeFw0xMjA1MjkxNjU5MjVaFw0xMzA2MDYy MDUxMTJaMIGFMQswCQYDVQQGEwJTRzESMBAGA1UEBxMJU2luZ2Fwb3JlMS4wLAYD VQQKEyVJbmxhbmQgUmV2ZW51ZSBBdXRob3JpdHkgb2YgU2luZ2Fwb3JlMRIwEAYD VQQLEwlFc3RhbXBpbmcxHjAcBgNVBAMTFWVzdGFtcGluZy5pcmFzLmdvdi5zZzCC ASIwDQYJKoZIhvcNAQEBBQADggEPADCCAQoCggEBAMrO5CU6ipLyIwzI7P8jMwwv d7RB7lopzQV0DDH22hFu1T6Dcz8M/76sVJOMA/Oucm3HLW3VDF/ltm7u/mqHVjtD M7fZ7fVQeNBSqniKRyNJKPDfzDip3FznZxvmuAqu+Gwx9mb6GFKMk3X4AEZ0QHGf 54gDgbqYvXA6T3Y4dUZn3JxPF9KaANpagIbzZMpglqobmiX7GmDQldZgcSKUryGT RfTmSGez+IDaXh61Qzh6ToRY42XcKEKonjgQeCydGlXitGpA2Sl5dus+mJ4ErhpS nuzzAnOjVBUt1wqii3UrSbIooknU5/i6YlMnCbbkTYPJo+bwxGRqqfFmMaDabd8C AwEAAaOCAXswggF3MAsGA1UdDwQEAwIFoDAdBgNVHSUEFjAUBggrBgEFBQcDAQYI KwYBBQUHAwIwMwYDVR0fBCwwKjAooCagJIYiaHR0cDovL2NybC5lbnRydXN0Lm5l dC9sZXZlbDFjLmNybDBlBggrBgEFBQcBAQRZMFcwIwYIKwYBBQUHMAGGF2h0dHA6 Ly9vY3NwLmVudHJ1c3QubmV0MDAGCCsGAQUFBzAChiRodHRwOi8vYWlhLmVudHJ1 c3QubmV0L2wxYy1jaGFpbi5jZXIwQAYDVR0gBDkwNzA1BgkqhkiG9n0HSwIwKDAm BggrBgEFBQcCARYaaHR0cDovL3d3dy5lbnRydXN0Lm5ldC9ycGEwIAYDVR0RBBkw F4IVZXN0YW1waW5nLmlyYXMuZ292LnNnMB8GA1UdIwQYMBaAFB7xq4kG+EkPATN3 7hR67hl8kyhNMB0GA1UdDgQWBBRmJqzbfdNXFRl8BaKS0oClkF4oeDAJBgNVHRME AjAAMA0GCSqGSIb3DQEBBQUAA4IBAQCIKVspioIpsFa8QsL8oskprX6R1iQ7pFBy Gjf7p6ZZ+3hvnbeR8d/blrY6zBP/uRdfAcYPbFH+l9fP3Dy3MALkDqW0Bjyck3Gg 1ewngtYINSKfulwsaGdGl6GnvJW2tf0r59QNq0h+0DkwVqNGJsD36aGFYm/Rtvpe yiuFdWetgX0iYCf+14IYd3Iz1EGI4QMchHt1sGxumProDTBwwIY1n1gOLInDRgPd vjy00HloOfVOPBh1PHIh12shXGV0By6EJd2k1XdPFrBQEopo+ONVnNKAg6bI2cRv I3BOov4XIkSFxuXHOnAiKNZhEexCSC9u4SR26hfS6MaXyekn/SuM -----END CERTIFICATE-----

Public Key (PEM)

-----BEGIN PUBLIC KEY----- MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAys7kJTqKkvIjDMjs/yMz DC93tEHuWinNBXQMMfbaEW7VPoNzPwz/vqxUk4wD865ybcctbdUMX+W2bu7+aodW O0Mzt9nt9VB40FKqeIpHI0ko8N/MOKncXOdnG+a4Cq74bDH2ZvoYUoyTdfgARnRA cZ/niAOBupi9cDpPdjh1RmfcnE8X0poA2lqAhvNkymCWqhuaJfsaYNCV1mBxIpSv IZNF9OZIZ7P4gNpeHrVDOHpOhFjjZdwoQqieOBB4LJ0aVeK0akDZKXl26z6YngSu GlKe7PMCc6NUFS3XCqKLdStJsiiiSdTn+LpiUycJtuRNg8mj5vDEZGqp8WYxoNpt 3wIDAQAB -----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 1276969213 . . . . . . . . [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 2012-05-29 16:59:25 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2013-06-06 20:51:12 +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 'Inland Revenue Authority of Singapore' . . . . . . . . . . . . [c:0|t:17|true] SET, SET OF . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.4.11 (organizationalUnitName) . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'Estamping' . . . . . . . . . . . . [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 'estamping.iras.gov.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 25602159452850371864342010842657350172059162931004469117946877847542521080388220774800121930101439604246349645610318138740176479709603259846738831711382595506829297987778540195841296835904830143448729170097616103380447415189213054418609711773681453391547702771716899328335934562334142942118692036826950497056766123566727758979809108235610428577427830360476429577348028255935749084458313006329810789010174256957588401577746868379601009472643713725897714573064115500699738522850529180781124933217558050003558703631532907031203388738704781346189952915937605243601318529672348532606025686222153494592047174806063332093407 . . . . . . . . . . . . . . . . . . . . [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 (89 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/l1c-chain.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 (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 2.5.29.17 (subjectAltName) . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (25 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'estamping.iras.gov.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) 6626acdb7dd35715197c05a292d280a5905e2878 . . . . . . . . . . . . . . . . [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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