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Revoked Certificates - CRL and OCSP
What are CRL (Certificate Revocation List) and OCSP (Online Certificate Status Protocol)? I want to know how to determine if an X.509 digital certificate has been revoked or not. Here is a collection of tutorials on CRL (Certificate Revocation List) and OCSP (Online Certificate Status Protocol) comp...
2019-07-19, 6138👍, 0💬

Certificate Revocation Reason Codes
What are the reasons why a X.509 certificate got revoked? When a certificate CA publishes a CRL (Certificate Revocation List) file with a list of revoked certificates, a revocation reason code will be provided for each revocation entry. There are several reason codes commonly used in CRL files: 0 - ...
2019-07-19, 2700👍, 0💬

What Is OCSP (Online Certificate Status Protocol)
What is OCSP (Online Certificate Status Protocol)? OCSP (Online Certificate Status Protocol) is an Internet protocol that allows client systems to communicate with the CA (Certificate Authority) of an X.509 digital certificate to verify the status of the certificate. When a client system receives an...
2016-08-16, 2639👍, 0💬

CRL (Certificate Revocation List)
Where to find answers to frequently asked questions on CRL (Certificate Revocation List)? Here is a collection of tutorials on CRL (Certificate Revocation List) compiled by FYIcenter.com team. What Is CRL (Certificate Revocation List) Retrieve CRL File from Certificate CA Open and View CRL File CRL ...
2016-11-06, 1843👍, 2💬

💬 2016-11-06 michael: i need whatsapp but my phone it cant run internet

💬 2016-11-06 michael: my phone is giving problem of apps that are not working how to fix them

8gwifi.org OCSP Test Tool
What is 8gwifi.org OCSP test tool? 8gwifi.org OCSP test tool is an online tool that allows to check the status of a certificate with certificate CA's OCSP server. You can follow these steps to try 8gwifi.org OCSP test tool: 1. Go to https://8gwifi.org/ocsp.jsp. 2. Copy and paste the following certif...
2016-08-13, 1799👍, 0💬

Open and View CRL File
How to open and view a CRL (Certificate Revocation List) file? I just downloaded a CRL from the certificate's CA Website. If you want to open and view the list of revoked certificates in CRL (Certificate Revocation List) file you can follow this tutorial. 1. Open the certificate by double-click the ...
2019-07-19, 1717👍, 0💬

What Is CRL (Certificate Revocation List)
What is CRL (Certificate Revocation List)? A CRL (Certificate Revocation List) is a digitally signed file containing a list of revoked X.509 digital certificates. After a CA (Certificate Authority) has issued a digital certificate for a public key of a given entity, it may decide to revoke this cert...
2019-07-19, 1706👍, 0💬

DigiNotar Fraudulent Certificates
What are DigiNotar Fraudulent Certificates? DigiNotar Fraudulent Certificate refer to the wildcard certificate for Google by DigiNotar root CA by an attacker in 2011. On July 10, 2011, the attacker first hacked into DigiNotar's CA systems and issued a wildcard certificate for Google. This certificat...
2016-08-13, 1675👍, 0💬

Find OCSP Server URL of Certificate CA
How to find the OCSP server URL of certificate's CA? I want to check the status of a certificate using OCSP. If you want to find the OCSP server URL of certificate's CA to check the status of an X.509 certificate, you can follow this tutorial. 1. Open the certificate by double-click the certificate ...
2016-08-16, 1591👍, 0💬

CRL File Format and Fields
What is the format of a (Certificate Revocation List) CRL file? I just downloaded a CRL from the certificate's CA Website. The format of a CRL (Certificate Revocation List) file is specified in the X.509 v2 standard, which can be summarized below. A CRL file is consists of two main parts: 1. CA Info...
2019-07-19, 1490👍, 0💬

Other Examples of Revoked Certificates
What are Other Examples of Revoked Certificates? Here are some other Examples of revoked certificates: MCSHOLDING TEST Certificate - 44A489AB145F3D6F203CAA7CFA19AE F4486005B5Digisign Server ID - (Enrich) Certificate - 4C4ECC2528032981 Digisign Server ID (Enrich) Certificate - C616934E1617EC16AE8C947...
2016-08-13, 1441👍, 0💬

Retrieve CRL File from Certificate CA
How to retrieve the CRL from the certificate's CA? I want to verify if the certificate has been revoked or not. If you want to retrieve the CRL from the certificate's CA to validate the revocation status of a certificate, you can follow this tutorial. 1. Open the certificate by double-click the cert...
2019-07-19, 1435👍, 0💬

"Hosted by GTI Group Corporation" Certificates
What are "Hosted by GTI Group Corporation" Certificates? "Hosted by GTI Group Corporation" Certificates are some revoked certificates that have "Hosted by GTI Group Corporation" in the OU field: addons.mozilla.org Certificate - DD80D2543DF74C70CAA3B0DD347A32 E4E83B5A3Bglobal trustee Certificate - B7...
2016-08-13, 1373👍, 0💬

Examples of Revoked Certificates
Where to find examples of revoked certificates? Here are examples of revoked certificates compiled by FYIcenter.com team. DigiNotar Fraudulent Certificates "Hosted by GTI Group Corporation" Certificates Other Examples of Revoked Certificates   ⇒ DigiNotar Fraudulent Certificates ⇐ Certificate Revoc...
2019-07-19, 1366👍, 0💬

login.yahoo.com Certificate - 864945FC331933D404ED2761EEE801C90C7F2F7E
Certificate Summary: Status: Revoked ✘ Subject: login.yahoo.com Issuer: UTN-USERFirst-Hardware Expiration: 2014-03-14 23:59:59 UTC Key Identifier: 86:49:45:FC:33:19:33:D4:04:ED: 27:61:EE:E8:01:C9:0C:7F:2F:7EReceived at FYIcenter.com on: 2017-01-04
2019-07-19, 1328👍, 0💬

OCSP (Online Certificate Status Protocol)
Where to find answers to frequently asked questions on OCSP (Online Certificate Status Protocol)? Here is a collection of tutorials on OCSP (Online Certificate Status Protocol) compiled by FYIcenter.com team. What Is OCSP (Online Certificate Status Protocol) Find OCSP Server URL of Certificate CA 8g...
2016-08-16, 990👍, 0💬

DigiNotar Cyber CA Certificate - ABF968DFCF4A37D77B458C5F72DE4044C365BBC2
Certificate Summary: Status: Revoked ✘ Subject: DigiNotar Cyber CA Issuer: DigiNotar Cyber CA Expiration: 2011-10-04 10:53:12 UTC Key Identifier: AB:F9:68:DF:CF:4A:37:D7:7B:45: 8C:5F:72:DE:40:44:C3:65:BB:C2Received at FYIcenter.com on: 2019-07-18
2019-07-19, 418👍, 0💬

DigiNotar Cyber CA Certificate - ABF968DFCF4A37D77B458C5F72DE4044C365BBC2
Certificate Summary: Status: Revoked ✘ Subject: DigiNotar Cyber CA Issuer: DigiNotar Cyber CA Expiration: 2013-09-20 09:44:07 UTC Key Identifier: AB:F9:68:DF:CF:4A:37:D7:7B:45: 8C:5F:72:DE:40:44:C3:65:BB:C2Received at FYIcenter.com on: 2019-07-18
2019-07-19, 388👍, 0💬

login.skype.com Certificate - D58E5A5113B4290D31B61C8D3E5151310A33AA81
Certificate Summary: Status: Revoked ✘ Subject: login.skype.com Issuer: UTN-USERFirst-Hardware Expiration: 2014-03-14 23:59:59 UTC Key Identifier: D5:8E:5A:51:13:B4:29:0D:31:B6: 1C:8D:3E:51:51:31:0A:33:AA:81Received at FYIcenter.com on: 2019-07-19
2019-07-19, 356👍, 0💬

login.yahoo.com Certificate - 864945FC331933D404ED2761EEE801C90C7F2F7E
Certificate Summary: Status: Revoked ✘ Subject: login.yahoo.com Issuer: UTN-USERFirst-Hardware Expiration: 2014-03-14 23:59:59 UTC Key Identifier: 86:49:45:FC:33:19:33:D4:04:ED: 27:61:EE:E8:01:C9:0C:7F:2F:7EReceived at FYIcenter.com on: 2019-07-19
2019-08-08, 334👍, 0💬

addons.mozilla.org Certificate - DD80D2543DF74C70CAA3B0DD347A32E4E83B5A3B
Certificate Summary: Status: Revoked ✘ Subject: addons.mozilla.org Issuer: UTN-USERFirst-Hardware Expiration: 2014-03-14 23:59:59 UTC Key Identifier: DD:80:D2:54:3D:F7:4C:70:CA:A3: B0:DD:34:7A:32:E4:E8:3B:5A:3BReceived at FYIcenter.com on: 2019-07-19
2019-07-19, 332👍, 0💬

www.google.com Certificate - 182AA2C8D47A3F7BAD048BBD6F9E10461378719D
Certificate Summary: Status: Revoked ✘ Subject: www.google.com Issuer: UTN-USERFirst-Hardware Expiration: 2014-03-14 23:59:59 UTC Key Identifier: 18:2A:A2:C8:D4:7A:3F:7B:AD:04: 8B:BD:6F:9E:10:46:13:78:71:9DReceived at FYIcenter.com on: 2019-07-19
2019-07-19, 316👍, 0💬

DigiNotar Root CA Certificate - 8868BFE08E35C43B386B62F7283B8481C80CD74D
Certificate Summary: Status: Revoked ✘ Subject: DigiNotar Root CA Issuer: DigiNotar Root CA Expiration: 2025-03-31 18:19:22 UTC Key Identifier: 88:68:BF:E0:8E:35:C4:3B:38:6B: 62:F7:28:3B:84:81:C8:0C:D7:4DReceived at FYIcenter.com on: 2019-07-18
2019-07-19, 314👍, 0💬

login.yahoo.com Certificate - 864945FC331933D404ED2761EEE801C90C7F2F7E
Certificate Summary: Status: Revoked ✘ Subject: login.yahoo.com Issuer: UTN-USERFirst-Hardware Expiration: 2014-03-14 23:59:59 UTC Key Identifier: 86:49:45:FC:33:19:33:D4:04:ED: 27:61:EE:E8:01:C9:0C:7F:2F:7EReceived at FYIcenter.com on: 2019-07-19
2019-08-08, 313👍, 0💬

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