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OpenSSL "ca" Command Options
What can I use OpenSSL "ca" command for? What are options supported by the "ca" command? OpenSSL "ca" command is a CA (Certificate Authority) tool. It can be used to sign CSR (Certificate Signing Request) in a variety of forms and generate CRLs. It also maintains a text database of issued certificat...
2016-09-18, 8491👍, 0💬

OpenSSL "ca" - Create CA Certificate for Testing
How to generate a new root CA certificate to test the OpenSSL "ca" command? If you need some root CA (Certificate Authority) certificates for testing purpose, you can generate them using the OpenSSL "req" command as shown below: C:\Users\fyicenter&gt;\loc al\OpenSSL-Win32\bin\openssl.e xeOpenSSL&...
2016-09-18, 2655👍, 0💬

OpenSSL "ca" - Create CSR for Testing
How to generate a new CSR to test the OpenSSL "ca" command? If you need some CSR (Certificate Signing Request) for testing purpose, you can generate them using the OpenSSL "req" command as shown below: C:\Users\fyicenter&gt;\loc al\OpenSSL-Win32\bin\openssl.e xeOpenSSL&gt; req -newkey rsa:102...
2016-09-18, 2207👍, 0💬

OpenSSL "ca" - "error while loading serial number"
Why I am getting the "error while loading serial number" error when running OpenSSL "ca" command? If you are running the OpenSSL "ca" command installed with the slproweb binary package for Windows, you may get the "error while loading serial number" error as shown below: C:\Users\fyicenter&gt;\l.. .
2016-09-13, 35187👍, 0💬

OpenSSL "ca" Error "failed to update database TXT_DB error number 2"
Why I am getting the "failed to update database TXT_DB error number 2" error when running OpenSSL "ca" command? If you are using the OpenSSL "ca" command to sign a CSR that has the same DN (Distinguished Name) fields as an old CSR you have signed before, you will get the "failed to update database T...
2016-09-13, 14151👍, 0💬

OpenSSL "ca" Error "stateOrProvinceName field needed to be the same"
Why I am getting the "The stateOrProvinceName field needed to be the same in the CA certificate (...) and the request (...)" error when running OpenSSL "ca" command? If you are running the OpenSSL "ca" command installed with the slproweb binary package for Windows, you may get the "The stateOrProvin...
2016-09-13, 6676👍, 0💬

OpenSSL "ca" - Sign CSR with CA Certificate
How to sign a CSR with my CA certificate and private key using OpenSSL "ca" command? I think my configuration file has all the settings for the "ca" command. If you have you configuration file ready and all the required directories and files created, you can sign a CSR with your CA certificate and p...
2016-09-13, 2160👍, 0💬

OpenSSL "ca" - Track CSR Signing History
How to track CSR certificate signing history? I want to know how many CSR I have signed with the OpenSSL "ca" command so far. OpenSSL "ca" command automatically tacks your CSR signing history for you. Each time you sign a CSR and generate a new certificate, it will: Save a copy of the new certificat...
2016-09-13, 1879👍, 0💬

OpenSSL "ca -gencrl" - Generate CRL
How to generate a CRL using the OpenSSL "ca" command? I need to publish the CRL to inform users about certificates I have revoked. If you want to generate a CRL (Certificate Revocation List), you can use the OpenSSL "ca -gencrl" command as shown below: C:\Users\fyicenter&gt;\loc al\OpenSSL-Win32\...
2016-09-10, 12953👍, 0💬

OpenSSL "crl -text" - View CRL in Test Format
How to view a CRL in text format using the OpenSSL "crl" command? I want to see what certificates are listed in the CRL. If you want to view the content of a CRL (Certificate Revocation List), you can use the OpenSSL "crl -text" command as shown below: C:\Users\fyicenter&gt;\loc al\OpenSSL-Win32\...
2016-09-10, 11611👍, 0💬

OpenSSL "ca" - "error while loading CRL number"
Why I am getting the "error while loading CRL number" error when running OpenSSL "ca -gencrl" command? If you are running the OpenSSL "ca -gencrl" command installed with the slproweb binary package for Windows, you may get the "error while loading CRL number" error as shown below: C:\Users\fyicenter...
2016-09-10, 7490👍, 0💬

OpenSSL "ca -revoke" - Revoke a Certificate
How to revoke a certificate using the OpenSSL "ca" command? The certificate was signed by me with my CA certificate, but now it is no longer needed. If you want revoke a certificate that was signed by you previously, you can use the OpenSSL "ca -revoke" command to revoke it. Actually, the certificat...
2016-09-10, 6729👍, 0💬

OpenSSL "ca" - Sign the CSR Again
How to sign the a CSR again the OpenSSL "ca" command? It was signed for 1 year the first time. But the requester wants the certificate to valid for 3 years. If you sign a CSR incorrectly and want to sign it again with the OpenSSL "ca" command, you need to revoke the certificate, then sign it again c...
2016-09-10, 2273👍, 0💬

OpenSSL "ca" Error "... directory for new certificate ..."
Why I am getting the "there needs to be defined a directory for new certificate to be placed in" error when running OpenSSL "ca" command? You are getting the "there needs to be defined a directory for new certificate to be placed in" error, because OpenSSL "ca" command can not find the required "new...
2016-09-09, 12254👍, 0💬

OpenSSL "ca -selfsign" - Self Sign CSR
How to sign my own CSR to create a self-signed certificate using the OpenSSL "ca" command? You can use the OpenSSL "req -new -x509" command to generate a self-signed certificate from your private key. But you can also use the "ca -selfsign" command to generate a self-signed certificate from your CSR...
2016-09-09, 2967👍, 0💬

OpenSSL [ca] Section in Configuration File
How to provide OpenSSL "ca" command options in the configuration file? I see examples of using the [ca] section. Yes, you can use the [ca] section to help providing OpenSSL "ca" command options in the configuration file. But there are 4 ways to provide "ca" command options: 1. Using unnamed section ...
2016-09-09, 2588👍, 0💬

OpenSSL "ca -config" - Using Configuration File
Can I use my own configuration file when running "ca" command? Yes, you can specify your own configuration file using the "-config file" option when running the "ca" command. OpenSSL configuration file allows you to control the behavior of the "ca" command with the following options: certificate - T...
2016-09-09, 2264👍, 0💬

OpenSSL "ca" Error "lookup failed for ca::database"
Why I am getting the "variable lookup failed for ca::database" error when running OpenSSL "ca" command? You are getting the "variable lookup failed for ca::database" error, because OpenSSL "ca" command can not find the required "database" option in the configuration file. For example, if you have th...
2016-09-08, 15582👍, 0💬

OpenSSL "ca" Error "lookup failed for ca::policy"
Why I am getting the "variable lookup failed for ca::policy" error when running OpenSSL "ca" command? You are getting the "variable lookup failed for ca::policy" error, because OpenSSL "ca" command can not find the required "policy" option in the configuration file. For example, if you have the foll...
2016-09-08, 10898👍, 0💬

OpenSSL "ca" Error "lookup failed for ca::default_md"
Why I am getting the "variable lookup failed for ca::default_md" error when running OpenSSL "ca" command? You are getting the "variable lookup failed for ca::default_md" error, because OpenSSL "ca" command can not find the required "default_md" option in the configuration file. For example, if you h...
2016-09-08, 10806👍, 0💬

OpenSSL "ca" Error "lookup failed for ca::serial"
Why I am getting the "variable lookup failed for ca::serial" error when running OpenSSL "ca" command? You are getting the "variable lookup failed for ca::serial" error, because OpenSSL "ca" command can not find the required "serial" option in the configuration file. For example, if you have the foll...
2016-09-08, 9275👍, 0💬

OpenSSL "ca" Error "cannot lookup how many days ..."
Why I am getting the "cannot lookup how many days to certify for" error when running OpenSSL "ca" command? You are getting the "cannot lookup how many days to certify for" error, because OpenSSL "ca" command can not find the required "default_days" option in the configuration file. For example, if y...
2016-09-08, 4710👍, 0💬

Download OpenSSL 0.9.8h for Windows
How to download OpenSSL for Windows? I heard that OpenSSL is nice free tool to manage keys and certificates. You can download OpenSSL Windows version using these steps: 1. Go to the OpenSSL for Windows Web site. 2. Go to the line: "Complete package, except sources - Setup - 4658384 - 4 December 2008...
2016-09-04, 8915👍, 0💬

Start OpenSSL on Windows Systems
How to start OpenSSL? Where is it located? I have installed OpenSSL for Windows 0.9.8h on my Windows computer. If you have OpenSSL for Windows installed, you can start the "openssl" command using these steps: 1. Go to the "C:\Program Files\GnuWin32\bin" folder. 2. Find openssl.exe and double-click o...
2016-09-04, 6272👍, 0💬

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