auth.tc.columbia.edu

Issued by InCommon Server CA

About this certificate


This digital certificate with serial number 24:3e:70:29:db:bf:8f:05:42:44:a3:af:31:a2:b1:44 was issued on by Internet2 .

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.

Columbia University

Organization: Columbia University
Organization unit: Information Technology
State / Province: NY
Locality: New York
Country: US

Internet2

Organization: Internet2
Organization unit: InCommon
State / Province: NY
Locality: New York
Country: US

Time since certificate expired

This certificate has expire since

Certificate Details

Serial Number (hex): 24:3e:70:29:db:bf:8f:05:42:44:a3:af:31:a2:b1:44
Serial Number (int): 48176405199725200187268124798626214212
Serial Number lenght: 126 bits, 16 octets

SubjectKeyId: 4c:21:a5:b1:bd:1e:32:e9:10:f6:67:bb:ef:d0:99:07:b8:46:5f:a9
AuthorityKeyId: 48:4f:5a:fa:2f:4a:9a:5e:e0:50:f3:6b:7b:55:a5:de:f5:be:34:5d

Fingerprint (sha1): 22:b8:98:6d:f6:57:16:da:01:6b:5d:dd:47:96:2a:c8:56:c1:98:cf
Fingerprint (sha256): 77:70:ab:ad:a2:5a:0e:a0:27:66:a5:95:c3:ef:0c:a3:57:d7:2b:13:4f:d8:2a:3a:9b:7d:28:a2:39:1d:9a:56

Issuing Certificate URL: http://cert.incommon.org/InCommonServerCA.crt

Revocation information

OCSP Server: http://ocsp.incommon.org
CRL Distribution Point: http://crl.incommon.org/InCommonServerCA.crl

Check the revocation status for the current certificate on auth.tc.columbia.edu
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: auth.tc.columbia.edu

Certificate

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

Certificate (PEM)

-----BEGIN CERTIFICATE----- MIIFGjCCBAKgAwIBAgIQJD5wKdu/jwVCRKOvMaKxRDANBgkqhkiG9w0BAQUFADBR MQswCQYDVQQGEwJVUzESMBAGA1UEChMJSW50ZXJuZXQyMREwDwYDVQQLEwhJbkNv bW1vbjEbMBkGA1UEAxMSSW5Db21tb24gU2VydmVyIENBMB4XDTEyMDgyNDAwMDAw MFoXDTE0MDgyNDIzNTk1OVowgYsxCzAJBgNVBAYTAlVTMQswCQYDVQQIEwJOWTER MA8GA1UEBxMITmV3IFlvcmsxHDAaBgNVBAoTE0NvbHVtYmlhIFVuaXZlcnNpdHkx HzAdBgNVBAsTFkluZm9ybWF0aW9uIFRlY2hub2xvZ3kxHTAbBgNVBAMTFGF1dGgu dGMuY29sdW1iaWEuZWR1MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA ztQzddnwSIrb4GfdrzNsV8nNxF2dpbycOvpKWHHthaTZWQ+9UlAUR85WQ9YRq2E2 FilVWCUzl0Dl9bUQtlqQ7EuAIC+aRTcg3hwna5ujlp1OS9Sixrw8TPDl++ljIUhL 3Z2+JjxMRWqX3lWRANp/xHm73st70b91QQxOgExcOh3jLMBG97/HiL+4/xPGMpFP b4cJyiP//5M1H95pC1MTaUyX9aiebFkMNY14fCBwygZPj//J7qYy42ixgWB9InFJ W41AWt0fXr+5UDciJpklw9MoHohjQA3AyQMOawdxX31TtOnATF4tbdqhj+K+MZM8 YzZUWMjcvNnCad8HaqTwTQIDAQABo4IBsTCCAa0wHwYDVR0jBBgwFoAUSE9a+i9K ml7gUPNre1Wl3vW+NF0wHQYDVR0OBBYEFEwhpbG9HjLpEPZnu+/QmQe4Rl+pMA4G A1UdDwEB/wQEAwIFoDAMBgNVHRMBAf8EAjAAMB0GA1UdJQQWMBQGCCsGAQUFBwMB BggrBgEFBQcDAjBdBgNVHSAEVjBUMFIGDCsGAQQBriMBBAMBATBCMEAGCCsGAQUF BwIBFjRodHRwczovL3d3dy5pbmNvbW1vbi5vcmcvY2VydC9yZXBvc2l0b3J5L2Nw c19zc2wucGRmMD0GA1UdHwQ2MDQwMqAwoC6GLGh0dHA6Ly9jcmwuaW5jb21tb24u b3JnL0luQ29tbW9uU2VydmVyQ0EuY3JsMG8GCCsGAQUFBwEBBGMwYTA5BggrBgEF BQcwAoYtaHR0cDovL2NlcnQuaW5jb21tb24ub3JnL0luQ29tbW9uU2VydmVyQ0Eu Y3J0MCQGCCsGAQUFBzABhhhodHRwOi8vb2NzcC5pbmNvbW1vbi5vcmcwHwYDVR0R BBgwFoIUYXV0aC50Yy5jb2x1bWJpYS5lZHUwDQYJKoZIhvcNAQEFBQADggEBAAcz J4ERTkwbvE172q25r0rmWxSEcjhnXWQW/xgFYq3XIdW2gNy4joliJjdfWWzQtxLX PemC/KEuxWfii83Yl7tayj/4GPuwQX/1W1PUJEucwejI1oqQQnQvyAQi0YFWLduY G/uWEIo0bih6l4DhzWilegD3Thc+IcW3BbFbIjdHs4zpZijnUy1yB+sPCK/isjfG +KZorZ8PRaR6MXqGRtQtaqSi3LaGun+BYYjIAMK7dWZ5/OUn4HuZwlbUxJbsULhw n2LG5Mzd77RkIl9FIrdYdGFyzfN/0hDlvYAEnHkbJEE65ylJKLa/5/hnN5b7kPQ9 6yv/dOD2Ev/o79U3dDo= -----END CERTIFICATE-----

Public Key (PEM)

-----BEGIN PUBLIC KEY----- MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAztQzddnwSIrb4GfdrzNs V8nNxF2dpbycOvpKWHHthaTZWQ+9UlAUR85WQ9YRq2E2FilVWCUzl0Dl9bUQtlqQ 7EuAIC+aRTcg3hwna5ujlp1OS9Sixrw8TPDl++ljIUhL3Z2+JjxMRWqX3lWRANp/ xHm73st70b91QQxOgExcOh3jLMBG97/HiL+4/xPGMpFPb4cJyiP//5M1H95pC1MT aUyX9aiebFkMNY14fCBwygZPj//J7qYy42ixgWB9InFJW41AWt0fXr+5UDciJpkl w9MoHohjQA3AyQMOawdxX31TtOnATF4tbdqhj+K+MZM8YzZUWMjcvNnCad8HaqTw TQIDAQAB -----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 48176405199725200187268124798626214212 . . . . . . . . [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 'Internet2' . . . . . . . . . . . . [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 'InCommon' . . . . . . . . . . . . [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 'InCommon Server CA' . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2012-08-24 00:00:00 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2014-08-24 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 2.5.4.6 (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 2.5.4.8 (stateOrProvinceName) . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'NY' . . . . . . . . . . . . [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 'New York' . . . . . . . . . . . . [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 'Columbia University' . . . . . . . . . . . . [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 'Information Technology' . . . . . . . . . . . . [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 'auth.tc.columbia.edu' . . . . . . . . [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 26109731044494349082024193236289158335630104375764573770296337896772807140411835835109235157233582604505935425969612885716428428185200130222124525380961728156847439084754948442043151953767061773294417696575424190734515906870254778662560564508325774140340623543682879355102767053823029726777419036254265421129502745376605726973788120542946101207552548948939019755377522181504240150269054631217194108332100918794650127859480878489655219556753209565264317666013913528624372686257960792810670298835061892362437997685221028276224135483701839332724359301383968061949494949571897648585624106353111312288391526099122158628941 . . . . . . . . . . . . . . . . . . . . [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 484f5afa2f4a9a5ee050f36b7b55a5def5be345d . . . . . . . . . . . . . . . . [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) 4c21a5b1bd1e32e910f667bbefd09907b8465fa9 . . . . . . . . . . . . . . . . [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 (86 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.4.1.5923.1.4.3.1.1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [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.incommon.org/cert/repository/cps_ssl.pdf' . . . . . . . . . . . . . . . . [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 (54 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.incommon.org/InCommonServerCA.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 (99 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://cert.incommon.org/InCommonServerCA.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.incommon.org' . . . . . . . . . . . . . . . . [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 (24 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'auth.tc.columbia.edu' . . . . [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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