cat.knoxlib.org

Issued by SSL.com DV CA

About this certificate


This digital certificate with serial number ce:1c:98:08:da:60:4b:cd:9e:bc:ac:41:f0:82:98:dd was issued on by SSL.com .

With 2 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.

cat.knoxlib.org

Organization unit: Domain Control Validated
Organization unit: EssentialSSL

SSL.com

Organization: SSL.com
Organization unit: www.ssl.com

Time since certificate expired

This certificate has expire since

Certificate Details

Serial Number (hex): ce:1c:98:08:da:60:4b:cd:9e:bc:ac:41:f0:82:98:dd
Serial Number (int): 273969435071400847150045435314961553629
Serial Number lenght: 128 bits, 16 octets

SubjectKeyId: e7:f4:60:37:da:b3:19:4d:a2:0f:d1:35:bc:f7:79:62:8c:52:6e:6f
AuthorityKeyId: 46:9a:fd:fc:51:5e:7c:54:53:52:e2:99:e3:b3:32:ef:93:1a:7f:56

Fingerprint (sha1): 02:5f:ed:00:3e:1c:0b:66:50:a1:13:70:e7:7b:99:10:cc:46:66:ce
Fingerprint (sha256): 80:5a:c5:89:f5:76:43:8e:1e:d9:a3:70:87:c7:41:a6:07:f7:7d:ad:b8:8c:8a:09:74:05:b7:0c:2a:f6:f0:04

Issuing Certificate URL: http://crt.ssl.com/SSLcomDVCA_2.crt

Revocation information

OCSP Server: http://ocsp.ssl.com
CRL Distribution Point: http://crl.ssl.com/SSLcomDVCA_2.crl

Check the revocation status for the current certificate on cat.knoxlib.org
2
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

cat.knoxlib.org
www.cat.knoxlib.org

Certificate

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

Certificate (PEM)

-----BEGIN CERTIFICATE----- MIIExDCCA6ygAwIBAgIRAM4cmAjaYEvNnrysQfCCmN0wDQYJKoZIhvcNAQELBQAw TTELMAkGA1UEBhMCVVMxEDAOBgNVBAoTB1NTTC5jb20xFDASBgNVBAsTC3d3dy5z c2wuY29tMRYwFAYDVQQDEw1TU0wuY29tIERWIENBMB4XDTE1MDQyMTAwMDAwMFoX DTE2MDQyMDIzNTk1OVowVDEhMB8GA1UECxMYRG9tYWluIENvbnRyb2wgVmFsaWRh dGVkMRUwEwYDVQQLEwxFc3NlbnRpYWxTU0wxGDAWBgNVBAMTD2NhdC5rbm94bGli Lm9yZzCCASIwDQYJKoZIhvcNAQEBBQADggEPADCCAQoCggEBALCG0hIr0Jtkjfan yWhGPN9T4zrXEH1TolHnEr+oIxINOIrGZTQYNx5p0mrAnQz9dPvJz65lyBIhx7Pv bhgV83Iejw5nTsGoV2Lk9q9ghBKgJwwGlK9MfEguyPejGNsObx4L3dxgC8wl0wV5 dhwub6LCqgL6TCAec5mumj3+PD19gFBJQopB1n3u5VE3AayxC3RePGot9MKSe+ZN NAWSretjlh1mCtrDNYV4/1CJdxyFkNeJwLKrgi5ekDxxIdTSrnxHnJhX4OF/TqCb qvFdx9IV7N4WmEeHW2D3uoR3hb8YNCqlNonezyGAueGI+YORsFMJPCmP9xBxT04l 9YnNlskCAwEAAaOCAZYwggGSMB8GA1UdIwQYMBaAFEaa/fxRXnxUU1LimeOzMu+T Gn9WMB0GA1UdDgQWBBTn9GA32rMZTaIP0TW893lijFJubzAOBgNVHQ8BAf8EBAMC BaAwDAYDVR0TAQH/BAIwADAdBgNVHSUEFjAUBggrBgEFBQcDAQYIKwYBBQUHAwIw SgYDVR0gBEMwQTA1BgorBgEEAYKpMAEBMCcwJQYIKwYBBQUHAgEWGWh0dHBzOi8v Y3BzLnVzZXJ0cnVzdC5jb20wCAYGZ4EMAQIBMDQGA1UdHwQtMCswKaAnoCWGI2h0 dHA6Ly9jcmwuc3NsLmNvbS9TU0xjb21EVkNBXzIuY3JsMGAGCCsGAQUFBwEBBFQw UjAvBggrBgEFBQcwAoYjaHR0cDovL2NydC5zc2wuY29tL1NTTGNvbURWQ0FfMi5j cnQwHwYIKwYBBQUHMAGGE2h0dHA6Ly9vY3NwLnNzbC5jb20wLwYDVR0RBCgwJoIP Y2F0Lmtub3hsaWIub3JnghN3d3cuY2F0Lmtub3hsaWIub3JnMA0GCSqGSIb3DQEB CwUAA4IBAQBP/D2qWAON+ksGG4ZnDI+a1d1upEQNJFX+T7sp4xfTpt2aCi1P8YG1 QXbZOJvKfE4P4GXZ+irP/kbdTrnFBcNsUPUmHXKfvBBmNKQvcveM8pRjcn+XNNFP zz+lL8ZKbUUnGBqk7z7jvNOok/GyPgb6cdEn6SF29Tiwr/md2GhRqAZbOXhqBK5R A93YBgXsTuRbwzpzwvCS/Sb9iU8zO6Lv/s6RbmQsdadtLhcxk87IWTxN9/JKE2vC OXrhuEjEvbvoStamvk8b4kw3xOKKOm2+U9PByGxJqehzLDydW6+2R4ikfp6KV+8I K1HCABmI6AlPdk6W5KocI1iGDCVc8tsZ -----END CERTIFICATE-----

Public Key (PEM)

-----BEGIN PUBLIC KEY----- MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAsIbSEivQm2SN9qfJaEY8 31PjOtcQfVOiUecSv6gjEg04isZlNBg3HmnSasCdDP10+8nPrmXIEiHHs+9uGBXz ch6PDmdOwahXYuT2r2CEEqAnDAaUr0x8SC7I96MY2w5vHgvd3GALzCXTBXl2HC5v osKqAvpMIB5zma6aPf48PX2AUElCikHWfe7lUTcBrLELdF48ai30wpJ75k00BZKt 62OWHWYK2sM1hXj/UIl3HIWQ14nAsquCLl6QPHEh1NKufEecmFfg4X9OoJuq8V3H 0hXs3haYR4dbYPe6hHeFvxg0KqU2id7PIYC54Yj5g5GwUwk8KY/3EHFPTiX1ic2W yQIDAQAB -----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 273969435071400847150045435314961553629 . . . . . . . . [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 2.5.4.10 (organizationName) . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'SSL.com' . . . . . . . . . . . . [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 'www.ssl.com' . . . . . . . . . . . . [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 'SSL.com DV CA' . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2015-04-21 00:00:00 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2016-04-20 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 2.5.4.11 (organizationalUnitName) . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'Domain Control Validated' . . . . . . . . . . . . [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 'EssentialSSL' . . . . . . . . . . . . [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 'cat.knoxlib.org' . . . . . . . . [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 22284424184678897524226362421068410329116524411359768265431911728580135364664939621199332610625905656146910528544623612797229806019582389966647434602838731108650711175841968406853347899489225390506847374158480143340192728798644807364546978650266325376411783825469884443309353560065929949991676772699874456344332057030324264721739132645687122015352008920225011303811161613873676306993982654878992658519739486185376699217237188123624388296674997179560659263308790937110283924225330288381171475444124402114147539794897336752470066278710149756754519370314708049408236619472891210991419589607215920453387589864878634800841 . . . . . . . . . . . . . . . . . . . . [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 469afdfc515e7c545352e299e3b332ef931a7f56 . . . . . . . . . . . . . . . . [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) e7f46037dab3194da20fd135bcf779628c526e6f . . . . . . . . . . . . . . . . [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 (67 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.4.1.38064.1.1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [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://cps.usertrust.com' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.23.140.1.2.1 (Domain 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 (45 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.ssl.com/SSLcomDVCA_2.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 (84 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.ssl.com/SSLcomDVCA_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.ssl.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 (40 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'cat.knoxlib.org' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.cat.knoxlib.org' . . . . [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) 004ffc3daa58038dfa4b061b86670c8f9ad5dd6ea4440d2455fe4fbb29e317d3a6dd9a0a2d4ff181b54176d9389bca7c4e0fe065d9fa2acffe46dd4eb9c505c36c50f5261d729fbc106634a42f72f78cf29463727f9734d14fcf3fa52fc64a6d4527181aa4ef3ee3bcd3a893f1b23e06fa71d127e92176f538b0aff99dd86851a8065b39786a04ae5103ddd80605ec4ee45bc33a73c2f092fd26fd894f333ba2effece916e642c75a76d2e173193cec8593c4df7f24a136bc2397ae1b848c4bdbbe84ad6a6be4f1be24c37c4e28a3a6dbe53d3c1c86c49a9e8732c3c9d5bafb64788a47e9e8a57ef082b51c2001988e8094f764e96e4aa1c2358860c255cf2db19