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... 2023-03-17, 53016👍, 48💬

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OpenSSL "x509 -text" - Print Certificate Info
How to print out text information from a certificate using OpenSSL "x509" command? I want to see the subject and issuer of the certificate. Assuming you have a certificate file located at: C:\Users\fyicenter\twitter.crt ,you can print out certificate information in text format using the "x509 -text"... 2012-07-23, 22371👍, 0💬

Go Daddy Class 2 Certification Authority Certificate - D2C4B0D291D44C1171B361CB3DA1FEDDA86AD4E3
Certificate Summary: Subject: Go Daddy Class 2 Certification Authority Issuer: Go Daddy Class 2 Certification Authority Expiration: 2034-06-29 17:06:20 UTC Key Identifier: D2:C4:B0:D2:91:D4:4C:11:71:B3: 61:CB:3D:A1:FE:DD:A8:6A:D4:E3Received at FYIcenter.com on: 2016-10-25 Go Daddy Class 2 Certificat... 2012-07-22, 21961👍, 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, 21937👍, 0💬

www.elegantthemes.com Certificate - FDC7865B4ADFCB1B844152969850A40783ADCFF1
Certificate Summary: Subject: www.elegantthemes.com Issuer: GeoTrust Extended Validation SSL CA Expiration: 2015-03-20 06:07:02 UTC Key Identifier: FD:C7:86:5B:4A:DF:CB:1B:84:41: 52:96:98:50:A4:07:83:AD:CF:F1Received at FYIcenter.com on: 2016-10-24 www.elegantthemes.com Certificate - FDC7865B4ADFCB1... 2014-06-20, 21841👍, 0💬

Start OpenSSL from Working Directory
How to start OpenSSL from my working directory where I have certificates stored. You can start OpenSSL from a command line window as shown in the tutorial: 1. Open a command line window. 2. Use the "cd" command to go to your working directory. 3. Run the OpenSSL program with the full path name as sh... 2012-07-23, 21759👍, 0💬

certmgr.exe - List "My" Personal Certificates
How to get a list of all certificates in "Personal" certificate store using "certmgr.exe"? The internal name for the "Personal" system certificate store is called "My". You can see a list of all certificates in "My" certificate store using "certmgr.exe -s My" as shown in this tutorial. C:\fyicenter&... 2012-12-09, 21401👍, 0💬

Go Daddy Root Certificate Authority - G2 Certificate - 3A9A8507106728B6EFF6BD05416E20C194DA0FDE
Certificate Summary: Subject Common Name (CN): Go Daddy Root Certificate Authority - G2 Issuer Common Name (CN): Go Daddy Root Certificate Authority - G2 Expiration (UTC): 2037-12-31 23:59:59 Key Identifier: 3A:9A:85:07:10:67:28:B6:EF:F6: BD:05:41:6E:20:C1:94:DA:0F:DEReceived at FYIcenter.com on: 20... 2022-05-21, 21123👍, 3💬

💬 2022-05-21 shawn bottle: why is this certifacate in my registry?

💬 2020-01-13 Tom: Missing you

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, 21086👍, 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, 21060👍, 1💬

💬 2021-01-16 Rodrigo Barahona: Comentaros

OpenSSL "req -new" - "no objects specified in config file" Error
Why am I getting the "no objects specified in config file" error when running the OpenSSL "req -new" command? If you are getting the "no objects specified in config file" error when running the OpenSSL "req -new" command, because OpenSSL receives no value for all DN (Distinguished Name) fields. Open... 2016-10-29, 20998👍, 0💬

OpenSSL "rsautl -decrypt" - Decryption with RSA Private Key
How to decrypt a file with the RSA private key using OpenSSL "rsautl" command? I received a file that is encrypted with my RSA public key. If you receive a file encrypted with your RSA public key and want to decrypt the file with your RSA private key, you can use the OpenSSL "rsault -decrypt" comman... 2021-06-28, 20771👍, 2💬

💬 2021-06-28 THONG NGO: BitcoinVN

💬 2021-06-21 reza: Thanks

OpenSSL Tutorials
Where to find tutorials on using OpenSSL to manage certificate? Here is a collection of tutorials on managing certificates with OpenSSL compiled by FYIcenter.com team. Topics include installing OpenSSL on Windows, OpenSSL commands and options, validating certificates, etc. General Information about ... 2022-06-11, 20750👍, 1💬

💬 2022-06-11 Egberts: How to make specific certificates like TLS client, CRL revocation, Software certificate, email encryption, intermediate certific...

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, 20540👍, 0💬

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, 20535👍, 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, 20400👍, 0💬

OpenSSL "req" - distinguished_name Configuration Section
What is the distinguished_name section in the OpenSSL configuration file? The distinguished_name section in the OpenSSL configuration file is a required section of options when using OpenSSL "req -new" or "req -newkey" commands to generate a new CSR or self-signed certificate. distinguished_name sec... 2016-11-02, 20366👍, 0💬

Microsoft "certutil -viewstore ..." - View Certificate Details
How to view details of a certificate displayed in by the Microsoft "certutil -viewstore" command? When you see the list of certificates displayed in a new window by the "certificate -viewstore" command, you can click on any certificate to see more details of the certificate as shown in this tutorial... 2019-12-15, 20316👍, 1💬

"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, 20101👍, 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, 20037👍, 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?

"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, 19937👍, 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 ...)

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, 19901👍, 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, 19863👍, 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.

certmgr.msc - Delete Certificate from Certificate Store
How to delete a certificate from a certificate store using "certmgr.msc"? The certificate has been expired long time ago and I don't want it any more You can delete a certificate from a certificate store using the "certmgr.msc" tool as shown in this tutorial. 1. Start "certmgr.msc" Management Consol... 2012-08-03, 19857👍, 0💬

Microsoft "certutil -hashfile..." - Certificate Hash Value
How to get the hash value (or thumbprint value) of a certificate? I have the certificate stored in DER (Distinguished Encoding Rules) format. If you have a certificate saved in a certificate file in DER (binary) format, you can get the SHA1 hash value of the certificate using you can use the Microso... 2013-04-25, 19714👍, 0💬

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