sy-cvl-vcs-p02.college.columbia.edu
- Columbia University -
Issued by InCommon RSA Server CA
About this certificate
This digital certificate with serial number 4c:5f:49:17:15:56:a0:12:81:a7:f6:16:41:53:d6:3c was issued on by Internet2.
With 2 subject alternative names this certificate can be used to secure multiple fqdn's. This 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. If we have found any compliance issues with this certificate they will be shown below. I hope this certificate review is providing you the detailed information in a simple form you where looking for.
We have idenified some issues with this certificate:
- Subscriber Certificate: commonName is deprecated. (BRs: 7.1.4.2.2)
Columbia University
Organization:
Columbia University
Organization unit: Information Technology
Organization unit: Information Technology
State / Province:
NY
Locality: New York
Country: US
Locality: New York
Country: US
Internet2
Organization:
Internet2
Organization unit: InCommon
Organization unit: InCommon
State / Province:
MI
Locality: Ann Arbor
Country: US
Locality: Ann Arbor
Country: US
This certificate has expire since
Certificate Details
Serial Number (hex): 4c:5f:49:17:15:56:a0:12:81:a7:f6:16:41:53:d6:3cSerial Number (int): 101516078325967128112176910083137197628
Serial Number lenght: 127 bits, 16 octets
SubjectKeyId: 84:0b:0f:11:61:a9:58:86:ee:4f:9f:67:d4:5f:a7:7c:bd:79:1c:e1
AuthorityKeyId: 1e:05:a3:77:8f:6c:96:e2:5b:87:4b:a6:b4:86:ac:71:00:0c:e7:38
Fingerprint (sha1): 20:bc:d3:61:19:04:79:0e:99:a3:1c:53:68:f2:a5:6f:a4:a8:e1:e1
Fingerprint (sha256): 02:21:d0:ae:98:09:05:3d:e9:35:83:97:a1:a5:2a:63:38:43:e0:3f:a7:9b:86:2a:6b:c1:f2:13:97:39:03:f2
Issuing Certificate URL: http://crt.usertrust.com/InCommonRSAServerCA_2.crt
Revocation information
OCSP Server: http://ocsp.usertrust.comCRL Distribution Point: http://crl.incommon-rsa.org/InCommonRSAServerCA.crl
Check the revocation status for certificate sy-cvl-vcs-p02.college.columbia.edu
2
DNS Names
0
Email Addresses
0
IP Addresses
Advanced Certificate Properties
Tehnical certificate details for sy-cvl-vcs-p02.college.columbia.edu
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
10 extensions
No
unhandled critical extensions
CA Certificate
This is not a CA certificate
Subject Alternative Names
sy-cvl-vcs-p02.college.columbia.edu
vcs.college.columbia.edu
vcs.college.columbia.edu
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sy-cvl-vcs-p02.college.columbia.edu
Certificate
The complete raw certificate details for sy-cvl-vcs-p02.college.columbia.edu in PEM and ASN.1 format.
Certificate (PEM)
-----BEGIN CERTIFICATE----- MIIFozCCBIugAwIBAgIQTF9JFxVWoBKBp/YWQVPWPDANBgkqhkiG9w0BAQsFADB2 MQswCQYDVQQGEwJVUzELMAkGA1UECBMCTUkxEjAQBgNVBAcTCUFubiBBcmJvcjES MBAGA1UEChMJSW50ZXJuZXQyMREwDwYDVQQLEwhJbkNvbW1vbjEfMB0GA1UEAxMW SW5Db21tb24gUlNBIFNlcnZlciBDQTAeFw0xODA0MDIwMDAwMDBaFw0yMDA0MDEy MzU5NTlaMIGaMQswCQYDVQQGEwJVUzELMAkGA1UECBMCTlkxETAPBgNVBAcTCE5l dyBZb3JrMRwwGgYDVQQKExNDb2x1bWJpYSBVbml2ZXJzaXR5MR8wHQYDVQQLExZJ bmZvcm1hdGlvbiBUZWNobm9sb2d5MSwwKgYDVQQDEyNzeS1jdmwtdmNzLXAwMi5j b2xsZWdlLmNvbHVtYmlhLmVkdTCCASIwDQYJKoZIhvcNAQEBBQADggEPADCCAQoC ggEBANjrW0HA10IGPckA0H1nbJVTHdpH6DreNjF1Q+UnIk+ERaw+v2svEun5p1y/ XI+1YCGEAp3dlDDXp1rDUnGyFgD6ZbNbtAhjiC1wUlkrwe/KG4JhD8otJSbZgLqL GN0bjNIcP5xCzc+BNDYIyUncM2PdaKDNVJAMkt3JIgsorDanvil32uTTovT4c0qV Te4jcEw0VVMIWfTGhY4IsjRPyktss1AcV8/iwL+N9a3d8dUDGUHBsxSp4Qb6o2up r28oNG2vWIjk9axGW+FnAVXukIiufhzizfPHB4DVl4BwLDYo8GXSpZvklmJLIJFS PCgCMf3xf2Qx/YV4EffUl2pQT+UCAwEAAaOCAgYwggICMB8GA1UdIwQYMBaAFB4F o3ePbJbiW4dLprSGrHEADOc4MB0GA1UdDgQWBBSECw8RYalYhu5Pn2fUX6d8vXkc 4TAOBgNVHQ8BAf8EBAMCBaAwDAYDVR0TAQH/BAIwADAdBgNVHSUEFjAUBggrBgEF BQcDAQYIKwYBBQUHAwIwZwYDVR0gBGAwXjBSBgwrBgEEAa4jAQQDAQEwQjBABggr BgEFBQcCARY0aHR0cHM6Ly93d3cuaW5jb21tb24ub3JnL2NlcnQvcmVwb3NpdG9y eS9jcHNfc3NsLnBkZjAIBgZngQwBAgIwRAYDVR0fBD0wOzA5oDegNYYzaHR0cDov L2NybC5pbmNvbW1vbi1yc2Eub3JnL0luQ29tbW9uUlNBU2VydmVyQ0EuY3JsMHUG CCsGAQUFBwEBBGkwZzA+BggrBgEFBQcwAoYyaHR0cDovL2NydC51c2VydHJ1c3Qu Y29tL0luQ29tbW9uUlNBU2VydmVyQ0FfMi5jcnQwJQYIKwYBBQUHMAGGGWh0dHA6 Ly9vY3NwLnVzZXJ0cnVzdC5jb20wEwYKKwYBBAHWeQIEAwEB/wQCBQAwSAYDVR0R BEEwP4Ijc3ktY3ZsLXZjcy1wMDIuY29sbGVnZS5jb2x1bWJpYS5lZHWCGHZjcy5j b2xsZWdlLmNvbHVtYmlhLmVkdTANBgkqhkiG9w0BAQsFAAOCAQEAD5NbA6cSmz/S IllH83a6mNdUfFBmH5crT1ocSVkCVFgVXUPvASyqrhsxcl1HkxxL+9q0DHWXRmYa MPNtH9ft+jMbtL8iNmwodcaPxHzLo8MFboJ+2EAUT90+gnWpKkmTr2oGuLFkkgYW 3CHjZBdYEkuZNz24VHz9fGpsFb4jMBoSsbWYE7vG2fhQKwOksb75KDDAq8jmhsMF xkR3oZcuUkhsU9EnYxMhejeGsmg0vGNRlRAsRxOl+g+6CiyOUSZLb4A4IvKO+JcB IGSOMXUiSyT+3j71rK4LCQ1ld1kp6rpuF2FmSUcl84eLbKim8UgurYi6oWgnVeBm e/IS4Z+v3g== -----END CERTIFICATE-----
Public Key (PEM)
-----BEGIN PUBLIC KEY----- MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA2OtbQcDXQgY9yQDQfWds lVMd2kfoOt42MXVD5SciT4RFrD6/ay8S6fmnXL9cj7VgIYQCnd2UMNenWsNScbIW APpls1u0CGOILXBSWSvB78obgmEPyi0lJtmAuosY3RuM0hw/nELNz4E0NgjJSdwz Y91ooM1UkAyS3ckiCyisNqe+KXfa5NOi9PhzSpVN7iNwTDRVUwhZ9MaFjgiyNE/K S2yzUBxXz+LAv431rd3x1QMZQcGzFKnhBvqja6mvbyg0ba9YiOT1rEZb4WcBVe6Q iK5+HOLN88cHgNWXgHAsNijwZdKlm+SWYksgkVI8KAIx/fF/ZDH9hXgR99SXalBP 5QIDAQAB -----END PUBLIC KEY-----
ASN.1 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 101516078325967128112176910083137197628 . . . . . . . . [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 2.5.4.8 (stateOrProvinceName) . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'MI' . . . . . . . . . . . . [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 'Ann Arbor' . . . . . . . . . . . . [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 RSA Server CA' . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2018-04-02 00:00:00 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-04-01 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 'sy-cvl-vcs-p02.college.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 27383532474607491247897115757690206528798828114984993302859411733819799315732290790247386210331061234146540051265123200590724905532856046733360150949912385320477515771386856555422260148837916812996475995984749075982556655603497944100406396784649102693366737701238702306492333203868590905749435984313559013719802505034115380591155885535102510356469789994322122894724279019931625369592481572036882755861688118642521755999324920303838441989260038647705628666593082809665512070477011298854848304328466728902288248096326959961413728948138927128791093107472478852806842408307309724874519480913284257304507321646820654862309 . . . . . . . . . . . . . . . . . . . . [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 1e05a3778f6c96e25b874ba6b486ac71000ce738 . . . . . . . . . . . . . . . . [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) 840b0f1161a95886ee4f9f67d45fa77cbd791ce1 . . . . . . . . . . . . . . . . [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 (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 1.3.6.1.4.1.5923.1.4.3.1.1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [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 2.23.140.1.2.2 (Organization 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 (61 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-rsa.org/InCommonRSAServerCA.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 (105 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.usertrust.com/InCommonRSAServerCA_2.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.usertrust.com' . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.4.1.11129.2.4.3 (CT Precertificate Poison) . . . . . . . . . . . . . . . . . . . . [c:0|t:1|false] BOOLEAN true . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (2 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:5|false] NULL . . . . . . . . . . . . . . . . [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 (65 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'sy-cvl-vcs-p02.college.columbia.edu' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'vcs.college.columbia.edu' . . . . [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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