opmdev.princeton.edu

Issued by InCommon Server CA

About this certificate


This digital certificate with serial number fb:fa:a1:cf:79:69:0d:8d:3f:64:4b:16:5f:e7:bc:0b 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.

Princeton University

Organization: Princeton University
Organization unit: Office of Information Technology
Postal code: 08544
State / Province: NJ
Locality: Princeton
Country: US

Internet2

Organization: Internet2
Organization unit: InCommon
Postal code: 08544
State / Province: NJ
Locality: Princeton
Country: US

Time untill certificate expires

This certificate will expire on

Certificate Details

Serial Number (hex): fb:fa:a1:cf:79:69:0d:8d:3f:64:4b:16:5f:e7:bc:0b
Serial Number (int): 334937583062398106773409673142734404619
Serial Number lenght: 128 bits, 16 octets

SubjectKeyId: 1d:1e:c8:a3:f2:e9:4b:c4:72:92:ef:9d:ed:7c:90:97:14:45:fb:35
AuthorityKeyId: 48:4f:5a:fa:2f:4a:9a:5e:e0:50:f3:6b:7b:55:a5:de:f5:be:34:5d

Fingerprint (sha1): 23:60:15:e6:91:9d:15:32:19:bb:f9:bc:90:ff:a2:a3:46:e3:82:e2
Fingerprint (sha256): 16:e4:3c:8e:2f:b8:5d:c3:93:7a:b4:08:79:0d:03:0a:10:c6:b3:d0:eb:66:85:e2:c7:f5:11:28:fb:7c:1f:5e

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 opmdev.princeton.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: opmdev.princeton.edu

Certificate

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

Certificate (PEM)

-----BEGIN CERTIFICATE----- MIIFQTCCBCmgAwIBAgIRAPv6oc95aQ2NP2RLFl/nvAswDQYJKoZIhvcNAQEFBQAw UTELMAkGA1UEBhMCVVMxEjAQBgNVBAoTCUludGVybmV0MjERMA8GA1UECxMISW5D b21tb24xGzAZBgNVBAMTEkluQ29tbW9uIFNlcnZlciBDQTAeFw0xNDA0MjUwMDAw MDBaFw0xNzA0MjQyMzU5NTlaMIGnMQswCQYDVQQGEwJVUzEOMAwGA1UEERMFMDg1 NDQxCzAJBgNVBAgTAk5KMRIwEAYDVQQHEwlQcmluY2V0b24xHTAbBgNVBAoTFFBy aW5jZXRvbiBVbml2ZXJzaXR5MSkwJwYDVQQLEyBPZmZpY2Ugb2YgSW5mb3JtYXRp b24gVGVjaG5vbG9neTEdMBsGA1UEAxMUb3BtZGV2LnByaW5jZXRvbi5lZHUwggEi MA0GCSqGSIb3DQEBAQUAA4IBDwAwggEKAoIBAQDQE+OrmTExwA/v3IYFwQvS73rY 4XXgqtV9rG/bkaj0rLd0aQ2L6SfXXLe4iMbB/MYSvmK5uKLZ4ioGOHFtcbl2Dc+j rh/pUtqXkBD0KUtOgYmPoGduY5q1UdTC4uQ1AdvIezLMkPnaI/XrzSlaDWBLklXt IVUGwqCZ52DoSa4NGII20QD782Se2Z0JE1j2lT/kUw3s0JHgvk4op3r1GPZJRuqG nfK84G/ltAwQrmpmUW3OoXyJgC02mLg314s3f1OeU7LMUKlRMzeYOUm4RNkAdYzg DppwMbx/opCRZavRAkCmbbFzDwDyj2+KM6oZ0D/hR6jZ37k7RvNLmvwGPnunAgMB AAGjggG7MIIBtzAfBgNVHSMEGDAWgBRIT1r6L0qaXuBQ82t7VaXe9b40XTAdBgNV HQ4EFgQUHR7Io/LpS8Ryku+d7XyQlxRF+zUwDgYDVR0PAQH/BAQDAgWgMAwGA1Ud EwEB/wQCMAAwHQYDVR0lBBYwFAYIKwYBBQUHAwEGCCsGAQUFBwMCMGcGA1UdIARg MF4wUgYMKwYBBAGuIwEEAwEBMEIwQAYIKwYBBQUHAgEWNGh0dHBzOi8vd3d3Lmlu Y29tbW9uLm9yZy9jZXJ0L3JlcG9zaXRvcnkvY3BzX3NzbC5wZGYwCAYGZ4EMAQIC MD0GA1UdHwQ2MDQwMqAwoC6GLGh0dHA6Ly9jcmwuaW5jb21tb24ub3JnL0luQ29t bW9uU2VydmVyQ0EuY3JsMG8GCCsGAQUFBwEBBGMwYTA5BggrBgEFBQcwAoYtaHR0 cDovL2NlcnQuaW5jb21tb24ub3JnL0luQ29tbW9uU2VydmVyQ0EuY3J0MCQGCCsG AQUFBzABhhhodHRwOi8vb2NzcC5pbmNvbW1vbi5vcmcwHwYDVR0RBBgwFoIUb3Bt ZGV2LnByaW5jZXRvbi5lZHUwDQYJKoZIhvcNAQEFBQADggEBAGS1Mwz6daf4M32d Y7Ldgap+ani0krlYMUDKI1ivUWRE+XqvXnqqkB5c12wL0qkcsp+9joJ+UvOj3dgR Dd3oD4I8ieZO5YiOEhabWzOfwMunzI6Z9FSBbQ1b+tcnGyAadVjxP9gom0CvwZIr GbDK67dCJNszCgOmvFZP3BCf7LXaRDzSTYPAtebDTX7osEFUvSkg6Ey8cgSKfbsi OhaJQnIm4oH+MlJiiR+XN3UPk/moGgeKdye+XIqNpalLh4e/1IW8KAI485Ek4p88 cuRQqcCCNCyh/6Gv7Rsnp6kXo+6qUT7kZmbLquatB8KcdPl4Bwk16Nji6MKNUKOH Z8AqTMs= -----END CERTIFICATE-----

Public Key (PEM)

-----BEGIN PUBLIC KEY----- MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA0BPjq5kxMcAP79yGBcEL 0u962OF14KrVfaxv25Go9Ky3dGkNi+kn11y3uIjGwfzGEr5iubii2eIqBjhxbXG5 dg3Po64f6VLal5AQ9ClLToGJj6BnbmOatVHUwuLkNQHbyHsyzJD52iP1680pWg1g S5JV7SFVBsKgmedg6EmuDRiCNtEA+/NkntmdCRNY9pU/5FMN7NCR4L5OKKd69Rj2 SUbqhp3yvOBv5bQMEK5qZlFtzqF8iYAtNpi4N9eLN39TnlOyzFCpUTM3mDlJuETZ AHWM4A6acDG8f6KQkWWr0QJApm2xcw8A8o9vijOqGdA/4Ueo2d+5O0bzS5r8Bj57 pwIDAQAB -----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 334937583062398106773409673142734404619 . . . . . . . . [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 2014-04-25 00:00:00 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2017-04-24 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 2.5.4.17 (postalCode) . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString '08544' . . . . . . . . . . . . [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 'NJ' . . . . . . . . . . . . [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 'Princeton' . . . . . . . . . . . . [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 'Princeton 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 'Office of 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 'opmdev.princeton.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 26267375230622542265299342178193879142426254348113703148503158091796704285632294023301504400737030391314439623382563389446457571160545748077721515330307266297034629644053349178773154747161107611323042286193113793021828909490572035380524471318648188971749356629329094696888332718357494940363126879372980665187928550664263058913473011918726728570959440690564071377022865816990311867947383309743120303683939193265931533563746980548142851579822741535826560804669236798223718844596866548900257508826570769500774058060283455348355681122192453029577223165057239024400195821058833433746642957774091201764211843031210162813863 . . . . . . . . . . . . . . . . . . . . [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) 1d1ec8a3f2e94bc47292ef9ded7c90971445fb35 . . . . . . . . . . . . . . . . [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 (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 'opmdev.princeton.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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