Internet Security Certificate Information Center

FYIcenter HTTPS Server Certificate Checker
How to verify an HTTPS server certificate? To help you to verify an HTTPS server certificate and view its detailed information, including the server certificate, FYIcenter.com has designed this online tool. All you need to do is to paste the HTTPS server URL into the input box and click the "Go" but... 2025-07-04, ≈136🔥, 20💬

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OpenSSL "x509 -fingerprint" - Print Certificate Fingerprint
How to print out MD5 and SHA-1 fingerprints of a certificate using OpenSSL "x509" command? I need to see them and validate them with the owner of the certificate. Assuming you have a certificate file located at: C:\Users\fyicenter\twitter.crt ,you can print out certificate fingerprints using the "x5... 2012-07-23, ≈25🔥, 0💬

"keytool -list" Command Examples - List Keystore Entries
How to use the "keytool -list" command? I want to see what in the keystore file. Here is an example of using "keytool -list" command to display a list of all entries in the default keystore file: C:\Users\fyicenter> keytool -list -storepass FYIcenter Keystore type: JKS Keystore provider: SUN ... 2012-07-19, ≈25🔥, 0💬

"keytool -importcert" Command Examples - Save Certificate to Keystore
How to use the "keytool -importcert" command? I have a certificate downloaded from a Web site and want to save it in a keystore file. Here is an example of using "keytool -exportcert" command to save the www.facebook.com certifcate into the default keystore file: C:\Users\fyicenter> keytool -... 2012-07-20, ≈24🔥, 0💬

OpenSSL "x509" Command Options
What can I use OpenSSL "x509" command for? What are options supported by the "x509" command? OpenSSL "x509" command is a multi purpose certificate utility. It can be used to display certificate information, convert certificates to various forms, sign certificate requests like a "mini CA" or edit cer... 2021-01-16, ≈24🔥, 1💬

💬 2021-01-16 Rodrigo Barahona: Comentaros

Get List of Certificates in Windows PowerShell
How to get a list of certificate in a certificate store in Windows PowerShell? The easiest way to get a list of certificates in a certificate store with Windows PowerShell is to use the "dir" command with the "Cert:" path name. The following example lists all certificates in the "Disallowed" certifi... 2016-07-31, ≈24🔥, 0💬

certmgr.msc - Export Certificate from Certificate Store
How to export a certificate from a certificate store using "certmgr.msc"? I want to keep it in a certificate file. You can export a certificate from a certificate store to a certificate file using the "certmgr.msc" tool as shown in this tutorial. 1. Start "certmgr.msc" Management Console on your Win... 2019-01-11, ≈24🔥, 1💬

Install Mozilla "certutil" Tool for Windows
How to install Mozilla "certutil" tool for Windows? I have nss-3.10.zip and nspr-4.6.zip download on my desktop. If you have nss-3.10.zip and nspr-4.6.zip downloaded you can follow this tutorial to install them on your Windows system. The installation process is tricky, you need to follow it careful... 2017-09-28, ≈23🔥, 3💬

💬 2017-09-28 FYIcenter.com: Anyone else needs those DLL files?

💬 2017-09-26 Lokesh: It would be better if you provide the link to download the nss and nspr also msvcr71.dll.

💬 2017-09-26 Lokesh: thanks for the clear steps to run the certutil. It really helped me a lot

Microsoft "certutil -encode..." - Converte PEM file to DER
How to convert a certificate file in PEM (Privacy Enhanced Mail) format to DER (Distinguished Encoding Rules) format? If you want to convert a certificate from PEM format to DER format, you can use the Microsoft "certutil -decode input_file output_file" command as shown in this tutorial: C:\fyicente... 2013-04-25, ≈23🔥, 0💬

DigiCert High Assurance EV Root CA Certificate - B13EC36903F8BF4701D498261A0802EF63642BC3
Certificate Summary: Subject: DigiCert High Assurance EV Root CA Issuer: DigiCert High Assurance EV Root CA Expiration: 2031-11-10 00:00:00 UTC Key Identifier: B1:3E:C3:69:03:F8:BF:47:01:D4: 98:26:1A:08:02:EF:63:64:2B:C3Received at FYIcenter.com on: 2016-09-19 DigiCert High Assurance EV Root CA Cert... 2012-12-09, ≈23🔥, 0💬

"makecert.exe -pe" - Export Private Key from Certificate Store
How to export my private key from the system certificate store into a file? The "export the private key" option is grayed out on the Certificate Export Wizard. By default, private keys stored with certificates in system stores are not allowed to be exported to avoid the risk of passing your private ... 2012-08-10, ≈23🔥, 0💬

How To Download JDK for Windows
How to download JDK for Windows? I want to use the Keytool included in the JDK to generate keys and manage certificates. If you Windows system does not have JDK pre-installed, you can download the latest release of JDK yourself easily. And it's free! 1. Go to JDK download Web site. 2. Click the "Dow... 2012-07-19, ≈23🔥, 0💬

Go Daddy Secure Certification Authority Certificate - FDAC6132936C45D6E2EE855F9ABAE7769968CCE7
Certificate Summary: Subject: Go Daddy Secure Certification Authority Issuer: Go Daddy Class 2 Certification Authority Expiration: 2026-11-16 01:54:37 UTC Key Identifier: FD:AC:61:32:93:6C:45:D6:E2:EE: 85:5F:9A:BA:E7:76:99:68:CC:E7Received at FYIcenter.com on: 2016-10-29 Go Daddy Secure Certificatio... 2023-01-30, ≈23🔥, 1💬

💬 2023-01-30 Scot Thomas Ringa: Been here a hot minute

Class 2 Primary CA Certificate - 1ACC217EF0E5494305316F04D13DD222D2835D03
Certificate Summary: Subject: Class 2 Primary CA Issuer: Class 2 Primary CA Expiration: 2019-07-06 23:59:59 UTC Key Identifier: 1A:CC:21:7E:F0:E5:49:43:05:31: 6F:04:D1:3D:D2:22:D2:83:5D:03Received at FYIcenter.com on: 2016-11-02 Class 2 Primary CA Certificate - 1ACC217EF0E5494305316F04D13DD2 22D2835D... 2012-07-22, ≈23🔥, 0💬

WWW.ICQ.COM Certificate - C6E09413D79C75CDE971563D270D50A2EDA61E22
Certificate Summary: Subject: WWW.ICQ.COM Issuer: VeriSign Class 3 Secure Server CA - G3 Expiration: 2017-04-05 23:59:59 UTC Key Identifier: C6:E0:94:13:D7:9C:75:CD:E9:71: 56:3D:27:0D:50:A2:ED:A6:1E:22Received at FYIcenter.com on: 2016-10-24 WWW.ICQ.COM Certificate - C6E09413D79C75CDE971563D270D50 A2... 2014-06-16, ≈23🔥, 0💬

System and User Level Keystore Files on Windows
Where is the user-level Java trusted keystore file on Windows? I know the system-level java trusted keystore file is at "\Program Files\java\jre7\lib\security\c acerts".When Java SE 7 is installed on a Windows computer, it maintains 3 trusted certificate keystore files: 1. System-Level Signer CA Key... 2012-07-21, ≈22🔥, 0💬

"makecert.exe -ss" - Create New System Certificate Store
How to create a new system certificate store using the "makecert.exe" command? Yes, "makecert.exe" command is powerful. You can create a new system certificate store if you specify the "-ss store" option with a new store name as shown in this tutorial. 1. Run the following command to create a new ce... 2021-05-15, ≈22🔥, 8💬

💬 2021-04-18 FYIcenter.com: @Anonymous, you can the "makecert" to create a certificate store as shown in this tutorial. But there is no way to export the en...

💬 2021-04-15 Anonymous: How to create a store and export the generated store as a .msc file?

💬 2014-12-07 FYIcenter.com: @Anonymous, thanks for sharing the command with us. Really appreciate it!

(More comments ...)

certmgr.msc - Import Personal Certificate
How to import personal certificate into certificate stores using "certmgr.msc"? My personal certificate also contains my private key and is stored in a PKCS#12 (Public-Key Cryptography Standards #12) file. You can import a private key with a self-signed certificate stored in a PKCS#12 file into cert... 2012-08-03, ≈22🔥, 0💬

OpenSSL "s_client" Command Options
What can I use OpenSSL "s_client" command for? What are options supported by the "s_client" command? OpenSSL "s_client" command implements a generic SSL/TLS client which can establish a transparent connection to a remote server speaking SSL/TLS. It's intended for testing purposes only and provides o... 2012-07-23, ≈22🔥, 0💬

"makecert.exe -sv" - Create Private Key File
How to create my private key and store it in a file using "makecert.exe"? If you want to create a private key and save it in a file instead of the private key container, you can use the "makecert.exe -sv keyfile" option as shown in this tutorial. 1. Run the following command to create a new certific... 2016-06-27, ≈22🔥, 3💬

💬 2015-08-21 Amk: Bob Greene / As recently as September 12, 2012, a getnmelan who identified himself as MikeJ , a scientist/engineer on NT respond...

💬 2014-01-31 FYIcenter.com: Hi Pegasus, If you press the "None" button, the private key file will not be protected with any password. This will be a risk, i...

💬 2014-01-29 Pegasus: how private key works, if I press none button on create private key password GUI.

OpenSSL "s_client -connect" - Connect to HTTPS Web Site
How to connect to a HTTPS Web site using OpenSSL? I see the Web sites using the "https:\" format. If you see a Web sites using the "https:\" format, for example https://twitter.com/login/, you can try to connect the Web site using the "x509 -connect" command as shown below: C:\Users\fyicenter&gt... 2012-07-24, ≈22🔥, 0💬

VeriSign, Inc., VeriSign International Server CA - Class ... Certificate - B95FFAFE94915DED1751EC2881DB55E4C7B22D38
Certificate Summary: Subject: VeriSign, Inc., VeriSign International Server CA - Class ... Issuer: Class 3 Public Primary Certification Authority Expiration: 2016-10-24 23:59:59 UTC Key Identifier: B9:5F:FA:FE:94:91:5D:ED:17:51: EC:28:81:DB:55:E4:C7:B2:2D:38Received at FYIcenter.com on: 2016-10-24 V... 2016-10-24, ≈22🔥, 2💬

💬 2016-10-12 FYIcenter.com: Hi Edgar, the answer is yes and no. Yes, all certificates signed by this certificate will be invalid. If a website is still usin...

💬 2016-10-10 edgar: Hi, So, what happens when this cert expires? it will break something?

Common Causes for "PKIX path building failed" Error
What are the reasons for the "PKIX path building failed" error? I am getting this "sun.security.validator.Valida torException:PKIX path building failed:" error when running my Java application. If you are getting the "sun.security.validator.Valida torException:PKIX path building failed:" error in yo... 2012-07-21, ≈22🔥, 0💬

certmgr.msc - Search Certificate in Certificate Stores
How to search for certificates in all certificate stores using "certmgr.msc"? I want to see all certificates issued by Microsoft. You can search for certificates in certificate stores using the "certmgr.msc" tool as shown in this tutorial. 1. Start "certmgr.msc" Management Console on your Windows sy... 2012-08-03, ≈22🔥, 0💬

certmgr.msc - View Personal Certificate
How to view personal certificate using "certmgr.msc"? I have imported it in the Personal certificate store earlier. You can view a personal certificate using the "certmgr.msc" tool as shown in this tutorial. 1. Start "certmgr.msc" Management Console on your Windows system. 2. Double-click to open "P... 2021-09-30, ≈22🔥, 2💬

💬 2021-09-30 FYIcenter.com: @Kimi, it normal to see that warning. It tells that Windows does have the certificate of the organization who signed this person...

💬 2021-09-10 Kimi: Hi, In step 4 and in screenshot, Windows shows warning that the root certificate is not located on Windows certificate store. Is...

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