cageapp.com

Issued by VeriSign Class 3 International Server CA - G3

About this certificate


This digital certificate with serial number 4e:eb:04:51:c8:d2:36:f8:27:aa:8d:eb:93:2b:f0:b4 was issued on by VeriSign, Inc. .

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 '[Oklahoma City]'
  • WARNING: Using depricated TeletexString for '[CAGEAPP, LLC]'
  • WARNING: Using depricated TeletexString for '[Terms of use at www.verisign.com/rpa (c)05]'
  • WARNING: Using depricated TeletexString for '[cageapp.com]'
  • ERROR: Certificate contains a key usage different from ServerAuth, ClientAuth or ServerGatedCrypto

CAGEAPP, LLC

Organization: CAGEAPP, LLC
Organization unit: Terms of use at www.verisign.com/rpa (c)05
State / Province: Oklahoma
Locality: Oklahoma City
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: Oklahoma
Locality: Oklahoma City
Country: US

Time since certificate expired

This certificate has expire since

Certificate Details

Serial Number (hex): 4e:eb:04:51:c8:d2:36:f8:27:aa:8d:eb:93:2b:f0:b4
Serial Number (int): 104900061042249836813123602274199531700
Serial Number lenght: 127 bits, 16 octets

SubjectKeyId:
AuthorityKeyId: d7:9b:7c:d8:22:a0:15:f7:dd:ad:5f:ce:29:9b:58:c3:bc:46:00:b5

Fingerprint (sha1): 56:d8:17:2b:a2:c6:a0:0a:c9:90:cd:6d:a3:e7:79:74:a8:4d:b8:c0
Fingerprint (sha256): 1f:34:01:70:c2:18:5b:c1:e9:bf:f1:a4:54:5f:07:99:f1:cb:e0:27:8f:2f:7b:e9:92:d7:51:62:a9:e9:3a:45

Issuing Certificate URL: http://SVRIntl-G3-aia.verisign.com/SVRIntlG3.cer

Revocation information

OCSP Server: http://ocsp.verisign.com
CRL Distribution Point: http://SVRIntl-G3-crl.verisign.com/SVRIntlG3.crl

Check the revocation status for the current certificate on cageapp.com
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
Netscape Server-Gated Cryptography

Extensions

8 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: cageapp.com

Certificate

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

Certificate (PEM)

-----BEGIN CERTIFICATE----- MIIFYjCCBEqgAwIBAgIQTusEUcjSNvgnqo3rkyvwtDANBgkqhkiG9w0BAQUFADCB vDELMAkGA1UEBhMCVVMxFzAVBgNVBAoTDlZlcmlTaWduLCBJbmMuMR8wHQYDVQQL ExZWZXJpU2lnbiBUcnVzdCBOZXR3b3JrMTswOQYDVQQLEzJUZXJtcyBvZiB1c2Ug YXQgaHR0cHM6Ly93d3cudmVyaXNpZ24uY29tL3JwYSAoYykxMDE2MDQGA1UEAxMt VmVyaVNpZ24gQ2xhc3MgMyBJbnRlcm5hdGlvbmFsIFNlcnZlciBDQSAtIEczMB4X DTEyMDcwNjAwMDAwMFoXDTE2MDcwNjIzNTk1OVowgZoxCzAJBgNVBAYTAlVTMREw DwYDVQQIEwhPa2xhaG9tYTEWMBQGA1UEBxQNT2tsYWhvbWEgQ2l0eTEVMBMGA1UE ChQMQ0FHRUFQUCwgTExDMTMwMQYDVQQLFCpUZXJtcyBvZiB1c2UgYXQgd3d3LnZl cmlzaWduLmNvbS9ycGEgKGMpMDUxFDASBgNVBAMUC2NhZ2VhcHAuY29tMIIBIjAN BgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAwdZgAskjRaeSS9GMf9I/ANhNPZCW YEe7HRH4ebTJan2Huo2vd10hdcbHq00JIf9zTHkaQTv31eQ7h7OO2h9sqMjixQvm xZTNlf8iZtIyN7R2jCuBP/ctupsRj7ojCw2rU2UDe+q2io8FttU1Iypn2toFlkN4 KoRLYGxUn2xF3hcSBNlaLSsliKtSClDNNLGseV3yi4uCN3SIcbOkedNJQZvkPcM7 /liGNGi+4yUptq/2oVW01/lj+WYMZL+Z2z5B2nnaaDbsfT7Gixwz2WDAS6vHh6vs Skfo59YGGlIHbFHBF+baEInSwy0p3karj2aPyKG6oFI3lCAQcZLc0Cp2YwIDAQAB o4IBfjCCAXowFgYDVR0RBA8wDYILY2FnZWFwcC5jb20wCQYDVR0TBAIwADAOBgNV HQ8BAf8EBAMCBaAwQwYDVR0gBDwwOjA4BgpghkgBhvhFAQc2MCowKAYIKwYBBQUH AgEWHGh0dHBzOi8vd3d3LnZlcmlzaWduLmNvbS9jcHMwQQYDVR0fBDowODA2oDSg MoYwaHR0cDovL1NWUkludGwtRzMtY3JsLnZlcmlzaWduLmNvbS9TVlJJbnRsRzMu Y3JsMCgGA1UdJQQhMB8GCCsGAQUFBwMBBggrBgEFBQcDAgYJYIZIAYb4QgQBMB8G A1UdIwQYMBaAFNebfNgioBX33a1fzimbWMO8RgC1MHIGCCsGAQUFBwEBBGYwZDAk BggrBgEFBQcwAYYYaHR0cDovL29jc3AudmVyaXNpZ24uY29tMDwGCCsGAQUFBzAC hjBodHRwOi8vU1ZSSW50bC1HMy1haWEudmVyaXNpZ24uY29tL1NWUkludGxHMy5j ZXIwDQYJKoZIhvcNAQEFBQADggEBACkF6Z6a94DCt5CPo74H8d2rjBy2iSI2eZSm 7FGthoX0OTkrpVDJXOx4cRSfcwPXCtWfPvEHUxqllLlj/zKvjIhZwNf8DrZRdywN SmnswuvGAu8ITIttsGCA2ZTzBOaPV5CkabLKjZT9G4FUqQRrmthBxoyFaKac20Bn 7XR4GlESYgD5FF66l89ijizpYY8xWOow0S0tPHJWNbv62YW/ETcOrUYf9ga/IxVj SP5vrUmR5k1PX0y4LAg/UPSoYgscZ7knPlqq9uzb7zpaQW/GqbKa0IBCb3l16Rpj DwpThlU5ilpgN5qzHlFqB5bxP731NL37NRs5bPsmS1YDV+w5tTw= -----END CERTIFICATE-----

Public Key (PEM)

-----BEGIN PUBLIC KEY----- MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAwdZgAskjRaeSS9GMf9I/ ANhNPZCWYEe7HRH4ebTJan2Huo2vd10hdcbHq00JIf9zTHkaQTv31eQ7h7OO2h9s qMjixQvmxZTNlf8iZtIyN7R2jCuBP/ctupsRj7ojCw2rU2UDe+q2io8FttU1Iypn 2toFlkN4KoRLYGxUn2xF3hcSBNlaLSsliKtSClDNNLGseV3yi4uCN3SIcbOkedNJ QZvkPcM7/liGNGi+4yUptq/2oVW01/lj+WYMZL+Z2z5B2nnaaDbsfT7Gixwz2WDA S6vHh6vsSkfo59YGGlIHbFHBF+baEInSwy0p3karj2aPyKG6oFI3lCAQcZLc0Cp2 YwIDAQAB -----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 104900061042249836813123602274199531700 . . . . . . . . [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 International Server CA - G3' . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2012-07-06 00:00:00 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2016-07-06 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 'Oklahoma' . . . . . . . . . . . . [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 'Oklahoma City' . . . . . . . . . . . . [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 'CAGEAPP, LLC' . . . . . . . . . . . . [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 'Terms of use at www.verisign.com/rpa (c)05' . . . . . . . . . . . . [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 'cageapp.com' . . . . . . . . [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 24469705131859568503707429122545670290861647067413301301619304504557238040075041548472032009963112167280792920788659895525414007164537188669107974161610931251641813115517139053278771646871798729329954808821882301321648886621260432476207587025594232714665359957567107552977143189934356284247396717609983680909557013970572909468059205295928540971701982075284050556075188445848802348146902256873929821819357178748252127591773183854190671596278416163092624861275186651412960640862831581274668467893213278810222346421970515494564676415883019493873425849551135640530588931657947221534970671541286863886463029100930575005283 . . . . . . . . . . . . . . . . . . . . [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 (15 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'cageapp.com' . . . . . . . . . . . . . . . . [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 2.5.29.32 (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 2.5.29.31 (cRLDistributionPoints) . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (58 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://SVRIntl-G3-crl.verisign.com/SVRIntlG3.crl' . . . . . . . . . . . . . . . . [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 (33 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:6|false] OBJECT IDENTIFIER 2.16.840.1.113730.4.1 (serverGatedCrypto) . . . . . . . . . . . . . . . . [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 d79b7cd822a015f7ddad5fce299b58c3bc4600b5 . . . . . . . . . . . . . . . . [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 (102 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://SVRIntl-G3-aia.verisign.com/SVRIntlG3.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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