vsu-hubca-01.vsu.edu

Issued by VeriSign Class 3 Secure Server CA - G3

About this certificate


This digital certificate with serial number 5e:dc:9f:52:0b:9a:ce:f6:93:eb:78:2a:1d:03:e3:bc was issued on by VeriSign, Inc. .

With 3 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.

Cerificate errors/warnings *beta

  • WARNING: Using depricated TeletexString for '[Petersburg]'
  • WARNING: Using depricated TeletexString for '[Virginia State University]'
  • WARNING: Using depricated TeletexString for '[Tech. Services]'
  • WARNING: Using depricated TeletexString for '[vsu-hubca-01.vsu.edu]'

Virginia State University

Organization: Virginia State University
Organization unit: Tech. Services
State / Province: Virginia
Locality: Petersburg
Country: US

VeriSign, Inc.

Organization: VeriSign, Inc.
Organization unit: VeriSign Trust Network
Organization unit: Terms of use at https://www.verisign.com/rpa (c)10
State / Province: Virginia
Locality: Petersburg
Country: US

Time since certificate expired

This certificate has expire since

Certificate Details

Serial Number (hex): 5e:dc:9f:52:0b:9a:ce:f6:93:eb:78:2a:1d:03:e3:bc
Serial Number (int): 126092968316087547956816370136053441468
Serial Number lenght: 127 bits, 16 octets

SubjectKeyId:
AuthorityKeyId: 0d:44:5c:16:53:44:c1:82:7e:1d:20:ab:25:f4:01:63:d8:be:79:a5

Fingerprint (sha1): 35:90:04:00:73:d6:40:10:ed:63:06:b1:05:44:47:65:21:cd:07:21
Fingerprint (sha256): ca:57:52:44:cd:68:f9:1e:66:8b:9c:85:7a:78:d2:e3:bf:93:f4:d7:53:00:0b:33:6c:c4:b3:18:14:eb:21:86

Issuing Certificate URL: http://SVRSecure-G3-aia.verisign.com/SVRSecureG3.cer

Revocation information

OCSP Server: http://ocsp.verisign.com
CRL Distribution Point: http://SVRSecure-G3-crl.verisign.com/SVRSecureG3.crl

Check the revocation status for the current certificate on vsu-hubca-01.vsu.edu
3
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

8 extensions
No unhandled critical extensions



CA Certificate

This is not a CA certificate

Subject Alternative Names

vsu-hubca-01.vsu.edu
webmail.vsu.edu
casnlb.vsu.edu

Certificate

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

Certificate (PEM)

-----BEGIN CERTIFICATE----- MIIFeTCCBGGgAwIBAgIQXtyfUguazvaT63gqHQPjvDANBgkqhkiG9w0BAQUFADCB tTELMAkGA1UEBhMCVVMxFzAVBgNVBAoTDlZlcmlTaWduLCBJbmMuMR8wHQYDVQQL ExZWZXJpU2lnbiBUcnVzdCBOZXR3b3JrMTswOQYDVQQLEzJUZXJtcyBvZiB1c2Ug YXQgaHR0cHM6Ly93d3cudmVyaXNpZ24uY29tL3JwYSAoYykxMDEvMC0GA1UEAxMm VmVyaVNpZ24gQ2xhc3MgMyBTZWN1cmUgU2VydmVyIENBIC0gRzMwHhcNMTIwNzIw MDAwMDAwWhcNMTMwNzIxMjM1OTU5WjCBkTELMAkGA1UEBhMCVVMxETAPBgNVBAgT CFZpcmdpbmlhMRMwEQYDVQQHFApQZXRlcnNidXJnMSIwIAYDVQQKFBlWaXJnaW5p YSBTdGF0ZSBVbml2ZXJzaXR5MRcwFQYDVQQLFA5UZWNoLiBTZXJ2aWNlczEdMBsG A1UEAxQUdnN1LWh1YmNhLTAxLnZzdS5lZHUwggEiMA0GCSqGSIb3DQEBAQUAA4IB DwAwggEKAoIBAQCqPiS/kN1y8vU2dHqGDr91oY0uWQo6edCdzTTeX2bo8aq2UEeV TfvRxt1m08mxRK8MzledbZ0NVsF3XaazpAroyQ9/Y2YVX12kiEtDltDBLftYmKdC Ta1Fin/f6aM8vdXEimZl7TnDfx2zJc/uFXn+gnytQAWWBh98c8Y+d4RFj5Lvkjta 3qNHrF3IDHQAoh+TWTVE1HXNQis1poRWkaUZue3WKj55aPbY5xmcCzG3+E25C05/ VZltXF01rrBzW4vKK3OfJmBzqavym7OvWC19HYoMnO+Tw0iLvcdspUlByrIBzZli QTe/ilcfG3d4V8UNpHEG3bYNCDNdSQUHmeWzAgMBAAGjggGlMIIBoTBABgNVHREE OTA3ghR2c3UtaHViY2EtMDEudnN1LmVkdYIPd2VibWFpbC52c3UuZWR1gg5jYXNu bGIudnN1LmVkdTAJBgNVHRMEAjAAMA4GA1UdDwEB/wQEAwIFoDBFBgNVHR8EPjA8 MDqgOKA2hjRodHRwOi8vU1ZSU2VjdXJlLUczLWNybC52ZXJpc2lnbi5jb20vU1ZS U2VjdXJlRzMuY3JsMEMGA1UdIAQ8MDowOAYKYIZIAYb4RQEHNjAqMCgGCCsGAQUF BwIBFhxodHRwczovL3d3dy52ZXJpc2lnbi5jb20vY3BzMB0GA1UdJQQWMBQGCCsG AQUFBwMBBggrBgEFBQcDAjAfBgNVHSMEGDAWgBQNRFwWU0TBgn4dIKsl9AFj2L55 pTB2BggrBgEFBQcBAQRqMGgwJAYIKwYBBQUHMAGGGGh0dHA6Ly9vY3NwLnZlcmlz aWduLmNvbTBABggrBgEFBQcwAoY0aHR0cDovL1NWUlNlY3VyZS1HMy1haWEudmVy aXNpZ24uY29tL1NWUlNlY3VyZUczLmNlcjANBgkqhkiG9w0BAQUFAAOCAQEAjAE4 97URxGTzyry2Qmvjt+EUvcrdCPoiwv6KSD2m7n55M1ugxuz8fpGa0W4TmWHxRNmL jZuuBg2gCSF6Kuk4LX7jlxub2K7RlNrVkbp8wDA9SP5R1XKZpwWQJXxrpoQqnlZU 3mrVuG7P59Ynb1iXdH2neCPBjxROPbJsebGSDg+6C6M969lLBo9qsgmoPTcn8WT+ anE8qgMOlyiNk2jF6NZP6ERgEdCb6rI09I0zVu9FQPmBx9usLeio33W298jYqqFR XWw/zLRq3uhwbcxqyXCWMNImMFGSrIh08HR4TM2nSNfD5985ojAfgIJsQ/J8VqGe CzbBTCtUycntjmQq2A== -----END CERTIFICATE-----

Public Key (PEM)

-----BEGIN PUBLIC KEY----- MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAqj4kv5DdcvL1NnR6hg6/ daGNLlkKOnnQnc003l9m6PGqtlBHlU370cbdZtPJsUSvDM5XnW2dDVbBd12ms6QK 6MkPf2NmFV9dpIhLQ5bQwS37WJinQk2tRYp/3+mjPL3VxIpmZe05w38dsyXP7hV5 /oJ8rUAFlgYffHPGPneERY+S75I7Wt6jR6xdyAx0AKIfk1k1RNR1zUIrNaaEVpGl Gbnt1io+eWj22OcZnAsxt/hNuQtOf1WZbVxdNa6wc1uLyitznyZgc6mr8puzr1gt fR2KDJzvk8NIi73HbKVJQcqyAc2ZYkE3v4pXHxt3eFfFDaRxBt22DQgzXUkFB5nl swIDAQAB -----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 126092968316087547956816370136053441468 . . . . . . . . [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 'VeriSign, Inc.' . . . . . . . . . . . . [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 'VeriSign Trust Network' . . . . . . . . . . . . [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 'Terms of use at https://www.verisign.com/rpa (c)10' . . . . . . . . . . . . [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 'VeriSign Class 3 Secure Server CA - G3' . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2012-07-20 00:00:00 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2013-07-21 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 'Virginia' . . . . . . . . . . . . [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:20|false] TeletexString, T61String 'Petersburg' . . . . . . . . . . . . [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:20|false] TeletexString, T61String 'Virginia State 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:20|false] TeletexString, T61String 'Tech. Services' . . . . . . . . . . . . [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:20|false] TeletexString, T61String 'vsu-hubca-01.vsu.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 21491155969902203380748435155661183074634247933204817075559293720807816047642810026925020681685539771779635212428244632741494059209785115303086996246970637533232233355318733723235211773054075776764006109964995849989945822330936594785733915118776358872419190719075180697333172451477063764772672885360770733015975864326510175491792289083527358688222005511155738937904340986664333719323636916052158686585955036702329035329118362823442648743267538776302217351873603663831844397545822819692865576977304134632699719021029102023930758150880539061648006608134942505159187187719765073013414300315745492727943747473357248521651 . . . . . . . . . . . . . . . . . . . . [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 2.5.29.17 (subjectAltName) . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (57 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'vsu-hubca-01.vsu.edu' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'webmail.vsu.edu' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'casnlb.vsu.edu' . . . . . . . . . . . . . . . . [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 2.5.29.15 (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 2.5.29.31 (cRLDistributionPoints) . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (62 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://SVRSecure-G3-crl.verisign.com/SVRSecureG3.crl' . . . . . . . . . . . . . . . . [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 (60 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.16.840.1.113733.1.7.54 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [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.verisign.com/cps' . . . . . . . . . . . . . . . . [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 2.5.29.35 (authorityKeyIdentifier) . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (24 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:0|false] OtherName 0d445c165344c1827e1d20ab25f40163d8be79a5 . . . . . . . . . . . . . . . . [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 (106 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.48.1 (ocsp) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:6|false] IA5String 'http://ocsp.verisign.com' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [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://SVRSecure-G3-aia.verisign.com/SVRSecureG3.cer' . . . . [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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