www.ctcmath.com

Issued by GlobalSign Domain Validation CA - G2

About this certificate


This digital certificate with serial number 11:21:f5:ad:ec:91:61:fb:e8:4b:2f:7b:fb:5b:c8:f9:87:2e was issued on by GlobalSign nv-sa .

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.ctcmath.com

Organization unit: Domain Control Validated

GlobalSign nv-sa

Organization: GlobalSign nv-sa

Time since certificate expired

This certificate has expire since

Certificate Details

Serial Number (hex): 11:21:f5:ad:ec:91:61:fb:e8:4b:2f:7b:fb:5b:c8:f9:87:2e
Serial Number (int): 1492464742872806067810610716276141034407726
Serial Number lenght: 141 bits, 18 octets

SubjectKeyId: a5:8d:8d:cd:8a:82:1e:e8:86:4a:75:90:cd:39:29:3d:bb:26:cb:c8
AuthorityKeyId: 96:ad:fa:b0:5b:b9:83:64:2a:76:c2:1c:8a:69:da:42:dc:fe:fd:28

Fingerprint (sha1): db:c2:c1:93:3c:ce:69:56:96:6b:d1:80:8d:5e:4b:bb:9f:a1:57:fa
Fingerprint (sha256): 16:41:b1:18:ec:45:10:25:63:67:40:f5:bd:48:e2:49:cf:4c:75:c7:8a:97:5b:61:c6:1d:84:2d:ff:da:2d:e8

Issuing Certificate URL: http://secure.globalsign.com/cacert/gsdomainvalg2.crt

Revocation information

OCSP Server: http://ocsp2.globalsign.com/gsdomainvalg2
CRL Distribution Point: http://crl.globalsign.com/gs/gsdomainvalg2.crl

Check the revocation status for the current certificate on www.ctcmath.com
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.ctcmath.com
ctcmath.com

Certificate

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

Certificate (PEM)

-----BEGIN CERTIFICATE----- MIIE4zCCA8ugAwIBAgISESH1reyRYfvoSy97+1vI+YcuMA0GCSqGSIb3DQEBBQUA MFcxCzAJBgNVBAYTAkJFMRkwFwYDVQQKExBHbG9iYWxTaWduIG52LXNhMS0wKwYD VQQDEyRHbG9iYWxTaWduIERvbWFpbiBWYWxpZGF0aW9uIENBIC0gRzIwHhcNMTMw NDAyMDUxNzMxWhcNMTQwNDAzMDUxNzMxWjA9MSEwHwYDVQQLExhEb21haW4gQ29u dHJvbCBWYWxpZGF0ZWQxGDAWBgNVBAMTD3d3dy5jdGNtYXRoLmNvbTCCASIwDQYJ KoZIhvcNAQEBBQADggEPADCCAQoCggEBAO/0l4kaejJPxp5Y+CEVoIVNV3j0PZse +nly6iIXljMUwM0nFYYQyaUh7xTd7WOAgfbyLLeSdJTbUNF7is621anINt4u1KWL pHWknYjBcRdSCpKF9gXlb5jj6iH9x+Ei8rn7pGi7Se8rG0ZSFim0TZVs9vPku2AB eyB4p6vEPPjDM/3c0ExWFMFDkRKwA30csGtmfvhgX3Ij/TOfE1o+RBpmxSWOpBCu 0cVXZohnswVkw30ujc82emIRp6HDmfKruo5lFQ/HQEfyZpGY+T7Y31QSASzXuS0A /zHut4vnjlVRwQuMvUE/sxFAxIYv8sNvOQMrHmAF4TdITa3eNMveRMUCAwEAAaOC AcEwggG9MA4GA1UdDwEB/wQEAwIFoDBMBgNVHSAERTBDMEEGCSsGAQQBoDIBCjA0 MDIGCCsGAQUFBwIBFiZodHRwczovL3d3dy5nbG9iYWxzaWduLmNvbS9yZXBvc2l0 b3J5LzAnBgNVHREEIDAegg93d3cuY3RjbWF0aC5jb22CC2N0Y21hdGguY29tMAkG A1UdEwQCMAAwHQYDVR0lBBYwFAYIKwYBBQUHAwEGCCsGAQUFBwMCMD8GA1UdHwQ4 MDYwNKAyoDCGLmh0dHA6Ly9jcmwuZ2xvYmFsc2lnbi5jb20vZ3MvZ3Nkb21haW52 YWxnMi5jcmwwgYgGCCsGAQUFBwEBBHwwejBBBggrBgEFBQcwAoY1aHR0cDovL3Nl Y3VyZS5nbG9iYWxzaWduLmNvbS9jYWNlcnQvZ3Nkb21haW52YWxnMi5jcnQwNQYI KwYBBQUHMAGGKWh0dHA6Ly9vY3NwMi5nbG9iYWxzaWduLmNvbS9nc2RvbWFpbnZh bGcyMB0GA1UdDgQWBBSljY3NioIe6IZKdZDNOSk9uybLyDAfBgNVHSMEGDAWgBSW rfqwW7mDZCp2whyKadpC3P79KDANBgkqhkiG9w0BAQUFAAOCAQEAk26+iDNn4Hd+ IpY6XMsyJ7NCs65KKRBDzeZExsS5whanCROC245V2S71rBUof0PVBLiNQISMRrPZ M9ZcvE6dWLBwQbDs2F1Qeyk6F3BWrgdjwK82opIwKesfqJ4kxjEJJEeS4sFKIIt8 fWtvfDTzk3h9Bz40HXpqTUZ+EyANPp1L/YL9Q+087xrmnoGKUw4mHmgLCGIm4ppx p381ScaYFcLZb5ePN+8qGXyae6yVm+xLaw1n+zs84TIeojv8pI+Ilp25Y3MgDRWO mzGmeJz7jTEQQ0t1+sIxXwPcAatNjmRAMHfSAtVyVzreuFwtiFMRF/yNPsRKdqFw UiCZhv3xfQ== -----END CERTIFICATE-----

Public Key (PEM)

-----BEGIN PUBLIC KEY----- MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA7/SXiRp6Mk/Gnlj4IRWg hU1XePQ9mx76eXLqIheWMxTAzScVhhDJpSHvFN3tY4CB9vIst5J0lNtQ0XuKzrbV qcg23i7UpYukdaSdiMFxF1IKkoX2BeVvmOPqIf3H4SLyufukaLtJ7ysbRlIWKbRN lWz28+S7YAF7IHinq8Q8+MMz/dzQTFYUwUORErADfRywa2Z++GBfciP9M58TWj5E GmbFJY6kEK7RxVdmiGezBWTDfS6NzzZ6YhGnocOZ8qu6jmUVD8dAR/JmkZj5Ptjf VBIBLNe5LQD/Me63i+eOVVHBC4y9QT+zEUDEhi/yw285AyseYAXhN0hNrd40y95E xQIDAQAB -----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 1492464742872806067810610716276141034407726 . . . . . . . . [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 'BE' . . . . . . . . . . . . [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 'GlobalSign nv-sa' . . . . . . . . . . . . [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 'GlobalSign Domain Validation CA - G2' . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2013-04-02 05:17:31 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2014-04-03 05:17:31 +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 2.5.4.3 (commonName) . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'www.ctcmath.com' . . . . . . . . [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 30291567665722078139053064905126606494990399586677494561755869756513654053346539853161442270345273929467588230740149466144557011680809171140032767469083917340431290824027584776546039729605382381502710747933285258823166007641973564547305803039011833475047705801434031269029989924964085716610197673024059498920918951813527778642391963399187182100607328775852831447637282626488795762635915650127794061725695369962674915058935464464976614392750418294191303015855158533255832972524947889531091857935851113947527760517230370270170669660747192798571063546329072657122134320543440351678273093010630131542916881322477438780613 . . . . . . . . . . . . . . . . . . . . [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: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 2.5.29.32 (certificatePolicies) . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (69 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.4.1.4146.1.10 (globalsignDVPolicy) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [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 'https://www.globalsign.com/repository/' . . . . . . . . . . . . . . . . [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 (32 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.ctcmath.com' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'ctcmath.com' . . . . . . . . . . . . . . . . [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 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 (56 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.globalsign.com/gs/gsdomainvalg2.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 (124 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://secure.globalsign.com/cacert/gsdomainvalg2.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://ocsp2.globalsign.com/gsdomainvalg2' . . . . . . . . . . . . . . . . [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) a58d8dcd8a821ee8864a7590cd39293dbb26cbc8 . . . . . . . . . . . . . . . . [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 96adfab05bb983642a76c21c8a69da42dcfefd28 . . . . [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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