ecrt.columbia.edu

Issued by InCommon RSA Server CA

About this certificate


This digital certificate with serial number ff:6e:50:d3:c4:93:30:fc:12:07:6b:12:25:9a:5d:07 was issued on by Internet2 .

This certificate is currently not expired, we haven't checked the revocation status of this certificate but you can do this simply on revocationcheck.com.

Columbia University

Organization: Columbia University
Organization unit: Information Technology
Address: 612 W 115 St
Postal code: 10025
State / Province: NY
Locality: New York
Country: US

Internet2

Organization: Internet2
Organization unit: InCommon
Postal code: 10025
State / Province: NY
Locality: New York
Country: US

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This certificate will expire on

Certificate Details

Serial Number (hex): ff:6e:50:d3:c4:93:30:fc:12:07:6b:12:25:9a:5d:07
Serial Number (int): 339525930950339966616955096005298773255
Serial Number lenght: 128 bits, 16 octets

SubjectKeyId: 63:ee:1f:b4:85:e7:29:42:ed:82:48:d4:2f:fd:26:c0:81:1f:72:57
AuthorityKeyId: 1e:05:a3:77:8f:6c:96:e2:5b:87:4b:a6:b4:86:ac:71:00:0c:e7:38

Fingerprint (sha1): 4f:fe:ff:dd:dc:d4:c8:6c:2c:f0:6f:e3:0b:76:2f:99:9a:42:d9:b9
Fingerprint (sha256): ed:dd:04:f8:19:74:93:d4:8f:5a:a0:4d:17:da:78:7e:1b:e6:3f:05:a0:7b:7e:b8:99:85:cb:0e:ed:07:7e:c2

Issuing Certificate URL: http://crt.usertrust.com/InCommonRSAServerCA_2.crt

Revocation information

OCSP Server: http://ocsp.usertrust.com
CRL Distribution Point: http://crl.incommon-rsa.org/InCommonRSAServerCA.crl

Check the revocation status for the current certificate on ecrt.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

SHA256 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: ecrt.columbia.edu

Certificate

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

Certificate (PEM)

-----BEGIN CERTIFICATE----- MIIFeDCCBGCgAwIBAgIRAP9uUNPEkzD8EgdrEiWaXQcwDQYJKoZIhvcNAQELBQAw djELMAkGA1UEBhMCVVMxCzAJBgNVBAgTAk1JMRIwEAYDVQQHEwlBbm4gQXJib3Ix EjAQBgNVBAoTCUludGVybmV0MjERMA8GA1UECxMISW5Db21tb24xHzAdBgNVBAMT FkluQ29tbW9uIFJTQSBTZXJ2ZXIgQ0EwHhcNMTUwODI0MDAwMDAwWhcNMTcwODIz MjM1OTU5WjCBrzELMAkGA1UEBhMCVVMxDjAMBgNVBBETBTEwMDI1MQswCQYDVQQI EwJOWTERMA8GA1UEBxMITmV3IFlvcmsxFTATBgNVBAkTDDYxMiBXIDExNSBTdDEc MBoGA1UEChMTQ29sdW1iaWEgVW5pdmVyc2l0eTEfMB0GA1UECxMWSW5mb3JtYXRp b24gVGVjaG5vbG9neTEaMBgGA1UEAxMRZWNydC5jb2x1bWJpYS5lZHUwggEiMA0G CSqGSIb3DQEBAQUAA4IBDwAwggEKAoIBAQC0VlelhQK2TAzfaK6gRX0nc3L4rJG8 KlFDQhSps9eJe/L3ofGdptfU9o4aydgiznihujVmr2nATdeQCptwL9R5ANs7VHG1 4x0EPSoKv9OOjrQxj0YCcjlZ+41iEQoqz+8D3Q5rUyTc7V/A5JbL07CnHD4NcbEX Rb4eG16h1Vh22uj5xX0QSeAF6ZEQFY3QVgGDtApIMud4jbn+HY8vWl8MRYrRfQn6 GfY/g4YpbfbTd/E/akdbRyP1gmYKRtjMYPQmrtbAcb+gxCHuMlCzOCbF7uRj3dxa 8DXCuPRq9BMu8axbcwC7a0gy/FMwvJtakiZxkyLswl5aKYsVpb7Vx6xvAgMBAAGj ggHFMIIBwTAfBgNVHSMEGDAWgBQeBaN3j2yW4luHS6a0hqxxAAznODAdBgNVHQ4E FgQUY+4ftIXnKULtgkjUL/0mwIEfclcwDgYDVR0PAQH/BAQDAgWgMAwGA1UdEwEB /wQCMAAwHQYDVR0lBBYwFAYIKwYBBQUHAwEGCCsGAQUFBwMCMGcGA1UdIARgMF4w UgYMKwYBBAGuIwEEAwEBMEIwQAYIKwYBBQUHAgEWNGh0dHBzOi8vd3d3LmluY29t bW9uLm9yZy9jZXJ0L3JlcG9zaXRvcnkvY3BzX3NzbC5wZGYwCAYGZ4EMAQICMEQG A1UdHwQ9MDswOaA3oDWGM2h0dHA6Ly9jcmwuaW5jb21tb24tcnNhLm9yZy9JbkNv bW1vblJTQVNlcnZlckNBLmNybDB1BggrBgEFBQcBAQRpMGcwPgYIKwYBBQUHMAKG Mmh0dHA6Ly9jcnQudXNlcnRydXN0LmNvbS9JbkNvbW1vblJTQVNlcnZlckNBXzIu Y3J0MCUGCCsGAQUFBzABhhlodHRwOi8vb2NzcC51c2VydHJ1c3QuY29tMBwGA1Ud EQQVMBOCEWVjcnQuY29sdW1iaWEuZWR1MA0GCSqGSIb3DQEBCwUAA4IBAQAhIcWN xfa2jA6otQZml4m98PMJRn8SRX3/iqo8S0VX9UwLiEVNQP2X6D8RNnWzE2SDE/A9 U7hXKCFEtg+XCCx59bo48EvYRhMjtz2+lFUFZ7dlRVV2HDhbneo3UzZ1uSfNsfRY OKcV7G07xx96UoGeowYG2GqYJMy0OuLt8dp0caGbprzkN3Hk7QyycIH76fy8IY3t dItBuMd/kQUs9txRHJvxOL/38XRK61j3SH+oh9er2Tz2H2jDuoNmCpmPzFGHPC85 m71f2NkMKG33H7OYnb1DuakZauGVg0oT5SIAKpWlTMqSYBuCQnLiIzUh3rkN1pDN UY5MSkJr+gQC9HnC -----END CERTIFICATE-----

Public Key (PEM)

-----BEGIN PUBLIC KEY----- MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAtFZXpYUCtkwM32iuoEV9 J3Ny+KyRvCpRQ0IUqbPXiXvy96HxnabX1PaOGsnYIs54obo1Zq9pwE3XkAqbcC/U eQDbO1RxteMdBD0qCr/Tjo60MY9GAnI5WfuNYhEKKs/vA90Oa1Mk3O1fwOSWy9Ow pxw+DXGxF0W+HhteodVYdtro+cV9EEngBemREBWN0FYBg7QKSDLneI25/h2PL1pf DEWK0X0J+hn2P4OGKW3203fxP2pHW0cj9YJmCkbYzGD0Jq7WwHG/oMQh7jJQszgm xe7kY93cWvA1wrj0avQTLvGsW3MAu2tIMvxTMLybWpImcZMi7MJeWimLFaW+1ces bwIDAQAB -----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 339525930950339966616955096005298773255 . . . . . . . . [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 2015-08-24 00:00:00 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2017-08-23 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 2.5.4.6 (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 2.5.4.17 (postalCode) . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString '10025' . . . . . . . . . . . . [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 2.5.4.9 (streetAddress) . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString '612 W 115 St' . . . . . . . . . . . . [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 'ecrt.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 22765471903097829016157824905025065691210727027343053816389902045786148309215112955045050125571358694245919213698775925624700348474668776433282930338781753437666961929340029156233262043181056817974916628696801301472165020427318958262014440606245378244709717771982665363299885806665861860973767956241436588700251691490677976276755246300118623643655263934654648929626501470965573996503972200300951779455615262106124090592948914077837149235023214826818148447090182615001303945130032114603970439697512964233860065402576397776641089516824810918715033106917895123802052575579306285690758333023115486741768272723008683486319 . . . . . . . . . . . . . . . . . . . . [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) 63ee1fb485e72942ed8248d42ffd26c0811f7257 . . . . . . . . . . . . . . . . [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 2.5.29.17 (subjectAltName) . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (21 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'ecrt.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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