www.centranum.com.sg

Issued by PositiveSSL CA 2

About this certificate


This digital certificate with serial number 3e:23:96:58:ce:3d:b9:78:ae:24:8d:c3:c8:80:5c:64 was issued on by COMODO CA Limited .

With 2 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.

www.centranum.com.sg

Organization unit: Domain Control Validated
Organization unit: PositiveSSL

COMODO CA Limited

Organization: COMODO CA Limited

Time since certificate expired

This certificate has expire since

Certificate Details

Serial Number (hex): 3e:23:96:58:ce:3d:b9:78:ae:24:8d:c3:c8:80:5c:64
Serial Number (int): 82596915526060884455010412028720340068
Serial Number lenght: 126 bits, 16 octets

SubjectKeyId: 6e:37:8c:47:80:e5:4a:17:88:1e:4c:0a:1d:05:51:8b:5f:1b:4e:9a
AuthorityKeyId: 99:e4:40:5f:6b:14:5e:3e:05:d9:dd:d3:63:54:fc:62:b8:f7:00:ac

Fingerprint (sha1): 4f:65:1a:2f:7d:a0:93:69:a6:a5:71:6f:46:8d:62:9b:b0:24:4c:35
Fingerprint (sha256): be:43:93:d3:75:44:27:ba:da:6c:2f:63:28:5c:21:58:15:39:51:7c:3a:5a:09:44:27:09:9a:7d:fe:de:72:f4

Issuing Certificate URL: http://crt.comodoca.com/PositiveSSLCA2.crt

Revocation information

OCSP Server: http://ocsp.comodoca.com
CRL Distribution Point: http://crl.comodoca.com/PositiveSSLCA2.crl

Check the revocation status for the current certificate on www.centranum.com.sg
2
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.centranum.com.sg
centranum.com.sg

Certificate

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

Certificate (PEM)

-----BEGIN CERTIFICATE----- MIIFCDCCA/CgAwIBAgIQPiOWWM49uXiuJI3DyIBcZDANBgkqhkiG9w0BAQUFADBz MQswCQYDVQQGEwJHQjEbMBkGA1UECBMSR3JlYXRlciBNYW5jaGVzdGVyMRAwDgYD VQQHEwdTYWxmb3JkMRowGAYDVQQKExFDT01PRE8gQ0EgTGltaXRlZDEZMBcGA1UE AxMQUG9zaXRpdmVTU0wgQ0EgMjAeFw0xNDAxMjMwMDAwMDBaFw0xNjAxMjMyMzU5 NTlaMFgxITAfBgNVBAsTGERvbWFpbiBDb250cm9sIFZhbGlkYXRlZDEUMBIGA1UE CxMLUG9zaXRpdmVTU0wxHTAbBgNVBAMTFHd3dy5jZW50cmFudW0uY29tLnNnMIIB IjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA2oeWKbeSTbufELy3KXihuoeL KZ9+MSENHdvEOahpiTQ9JXA9K+omMxwpv2TWoNj5OB+EA5lHwImtjSg3O54uYaUm Qscw0v6DtSe9mQWzpTde8VD9tvUj9+27diWopYcl8jzStzTcMU+oPyLPiObZeM3/ HYzylEFd2BR9SWX/1h/Ob77rTZdAHp/eD+HjVzq/2iFvXpnsuViDgGPNv4rbBYMp DnoI+Km58mhksfSNkHcMCP1Ynd0GxMGngyhPIsqlf/1xoZlU4JDrX85mpa0Ozqc1 L3nkUJsoiKrKH8B0XZGwcqADlulG95xUoCkAXxa/yrGyZ8amnYXvpzt1aS3w1wID AQABo4IBsTCCAa0wHwYDVR0jBBgwFoAUmeRAX2sUXj4F2d3TY1T8Yrj3AKwwHQYD VR0OBBYEFG43jEeA5UoXiB5MCh0FUYtfG06aMA4GA1UdDwEB/wQEAwIFoDAMBgNV HRMBAf8EAjAAMB0GA1UdJQQWMBQGCCsGAQUFBwMBBggrBgEFBQcDAjBQBgNVHSAE STBHMDsGCysGAQQBsjEBAgIHMCwwKgYIKwYBBQUHAgEWHmh0dHA6Ly93d3cucG9z aXRpdmVzc2wuY29tL0NQUzAIBgZngQwBAgEwOwYDVR0fBDQwMjAwoC6gLIYqaHR0 cDovL2NybC5jb21vZG9jYS5jb20vUG9zaXRpdmVTU0xDQTIuY3JsMGwGCCsGAQUF BwEBBGAwXjA2BggrBgEFBQcwAoYqaHR0cDovL2NydC5jb21vZG9jYS5jb20vUG9z aXRpdmVTU0xDQTIuY3J0MCQGCCsGAQUFBzABhhhodHRwOi8vb2NzcC5jb21vZG9j YS5jb20wMQYDVR0RBCowKIIUd3d3LmNlbnRyYW51bS5jb20uc2eCEGNlbnRyYW51 bS5jb20uc2cwDQYJKoZIhvcNAQEFBQADggEBANDZZ7YTZ79kJ7CABjmHNg/oz2fx /HUzoqKkENOdVJTEL8vYTwUnP50eMqeit94NQoiLuJNOnNBrhKZ04lzQA5OfPJR+ 2c5JOhk917ieKLi7M5bi+9zupDGfe6/dRdspsE4i+OM7HJebOI8BEdNYSiSd4tGl +07PUNnmHuK+2FiDdUa/f/jnvd+aA1xPFNAJFQamHml0UEbVipu7P3Uqtzffobgh JmyiI/1diT/mXIxNXVDLsy/0+9xqlyBQwEkC3Wt9Jw6nAoR1y3ssOWebQah9TckF TfyfhYwxwLHb/imNdkAbKHTLStg2XCLPCah550QKyfqMQ/lrOuBxTSe2Ivw= -----END CERTIFICATE-----

Public Key (PEM)

-----BEGIN PUBLIC KEY----- MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA2oeWKbeSTbufELy3KXih uoeLKZ9+MSENHdvEOahpiTQ9JXA9K+omMxwpv2TWoNj5OB+EA5lHwImtjSg3O54u YaUmQscw0v6DtSe9mQWzpTde8VD9tvUj9+27diWopYcl8jzStzTcMU+oPyLPiObZ eM3/HYzylEFd2BR9SWX/1h/Ob77rTZdAHp/eD+HjVzq/2iFvXpnsuViDgGPNv4rb BYMpDnoI+Km58mhksfSNkHcMCP1Ynd0GxMGngyhPIsqlf/1xoZlU4JDrX85mpa0O zqc1L3nkUJsoiKrKH8B0XZGwcqADlulG95xUoCkAXxa/yrGyZ8amnYXvpzt1aS3w 1wIDAQAB -----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 82596915526060884455010412028720340068 . . . . . . . . [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 'GB' . . . . . . . . . . . . [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 'Greater Manchester' . . . . . . . . . . . . [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 'Salford' . . . . . . . . . . . . [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 'COMODO CA Limited' . . . . . . . . . . . . [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 'PositiveSSL CA 2' . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2014-01-23 00:00:00 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2016-01-23 23:59:59 +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 2.5.4.11 (organizationalUnitName) . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'Domain Control Validated' . . . . . . . . . . . . [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 'PositiveSSL' . . . . . . . . . . . . [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.centranum.com.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 27586810714180809884522105759382531120289118361142842668680782523656881987406338713590902070283514743465395199127631117180457083277697683440909215943034607777716228363271288815177221464498150852886111726923740443253695511539600207157460551437619366516926156437521810575845062880969067384210960334351599373223854221447103272395477187789705350814501832627580524011326974048620352261939719770953123351500778528810677104996537035852342452045223459561615231969666990402412198708076633246797702393970576752809172597801768893204000711359215029405689120094446386893665151581117574541483725052675933307281583476322393578664151 . . . . . . . . . . . . . . . . . . . . [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 2.5.29.35 (authorityKeyIdentifier) . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (24 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:0|false] OtherName 99e4405f6b145e3e05d9ddd36354fc62b8f700ac . . . . . . . . . . . . . . . . [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) 6e378c4780e54a17881e4c0a1d05518b5f1b4e9a . . . . . . . . . . . . . . . . [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 2.5.29.19 (basicConstraints) . . . . . . . . . . . . . . . . . . . . [c:0|t:1|false] BOOLEAN true . . . . . . . . . . . . . . . . . . . . [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 2.5.29.37 (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 2.5.29.32 (certificatePolicies) . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (73 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.4.1.6449.1.2.2.7 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [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.positivessl.com/CPS' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.23.140.1.2.1 (Domain Validation Certificates Policy) . . . . . . . . . . . . . . . . [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 (52 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.comodoca.com/PositiveSSLCA2.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 (96 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://crt.comodoca.com/PositiveSSLCA2.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.comodoca.com' . . . . . . . . . . . . . . . . [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 (42 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.centranum.com.sg' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'centranum.com.sg' . . . . [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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