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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, 847👍, 0💬

OpenSSL "dsa -pubout" - Extract DSA Public Key
How to extract the public key from a DSA key file using OpenSSL "dsa" command? If you want to extract the public key out from a DSA key file (private key an public key), you can use the OpenSSL "dsa -pubout" command as shown below: C:\Users\fyicenter&gt;\loc al\openssl\openssl.exeOpenSSL&gt;...
2016-12-28, 845👍, 0💬

OpenSSL "pkey" - Open Encrypted DH Keys
How to open an encrypted DH key file using OpenSSL "pkey" command? I was told the key file is DES encrypted and I know the password. If you are trying to open a password (encrypted) DH key file using the "pkey" command, you will be prompted for the password as shown below: C:\Users\fyicenter&gt;...
2017-08-21, 842👍, 0💬

OpenSSL "pkey -text" - Print EC Key in Text
How to print private key contents in text format using OpenSSL "pkey" command? If you want to see contents of a private key in text format, you can use the OpenSSL "pkey -text" command as shown below: C:\Users\fyicenter&gt;\loc al\openssl\openssl.exeOpenSSL&gt; pkey -in my_ec.key -text -noou...
2017-07-21, 841👍, 0💬

OpenSSL "pkey -pubin" - View EC Public Key
How to view contents of a EC public key file using OpenSSL "pkey" command? If you want to view contents of a EC public key stored in a file, you can use the OpenSSL "pkey -pubin" command as shown below: C:\Users\fyicenter&gt;\loc al\openssl\openssl.exeOpenSSL&gt; pkey -pubin -in my_ec_pub.ke...
2017-07-03, 837👍, 0💬

OpenSSL Verify Signed Documents with RSA Keys
What is the process of verifying the signed document with RSA keys using OpenSSL commands? I received a signed document and was to verify it with senders RSA public key. Here are steps your need to follow to verify a signed document with sender's RSA public key using OpenSSL commands: 1. Verify that...
2017-03-27, 831👍, 0💬

OpenSSL "genpkey -paramfile" - Generate DSA Key
How to generate a new DSA private key using OpenSSL "genpkey" command? If you need a new DSA private key in order to create a new certificate, you can use the OpenSSL "genpkey" command as shown below: C:\Users\fyicenter&gt;\loc al\openssl\openssl.exeOpenSSL&gt; genpkey -paramfile my_dsa.prm ...
2017-12-21, 824👍, 0💬

OpenSSL "req -x509" - Sign My Own CSR
Can I sign my own CSR with the OpenSSL "req -x509" command? Yes, you can sign you own CSR (Certificate Sign Request) with the OpenSSL "req -x509" command as shown below. The result is a self-signed certificate. See the example below: C:\Users\fyicenter&gt;\loc al\openssl\openssl.exeOpenSSL&g...
2016-11-08, 822👍, 0💬

OpenSSL "req -x509 -extensions" - Test Self-Signed Certificate V3 Extensions
How to run OpenSSL "req -509" command to generate self-signed certificate with x.509 v3 extensions? I have x509_extensions option defined in the configuration file. If you want to run OpenSSL "req -509" command to generate self-signed certificate with x.509 v3 extensions, you can follow this example...
2016-09-23, 819👍, 0💬

OpenSSL "pkey -text" - Print RSA Key in Text
How to print private key contents in text format using OpenSSL "pkey" command? If you want to see contents of a private key in text format, you can use the OpenSSL "pkey -text" command as shown below: C:\Users\fyicenter&gt;\loc al\openssl\openssl.exeOpenSSL&gt; pkey -in my_rsa.key -text -noo...
2018-01-16, 816👍, 0💬

OpenSSL "pkey -pubout" - Extract EC Public Key
How to extract the public key from a EC key file using OpenSSL "pkey" command? If you want to extract the public key out from a EC key file (private key an public key), you can use the OpenSSL "pkey -pubout" command as shown below: C:\Users\fyicenter&gt;\loc al\openssl\openssl.exeOpenSSL&gt;...
2017-07-03, 814👍, 0💬

OpenSSL "req -x509 -newkey" - Generate Private Key and Certificate
How to generate a new private key with a public key and generate a self-signed certificate using a single OpenSSL "req" command? If you do not have a pair of private key and public key, and you want to generate self-signed certificate to represent your personal identity or server identity, you can u...
2016-11-15, 814👍, 0💬

OpenSSL "pkey -aes*" - Re-Encrypt RSA Keys
How to re-encrypt an RSA key file using OpenSSL "pkey" command? I want to change the encryption password, and maybe change the encryption algorithm. If you want to encrypt an existing RSA key file again, you can use the "pkey -aes*" command as shown below: C:\Users\fyicenter&gt;\loc al\openssl\op...
2017-09-12, 807👍, 0💬

OpenSSL "genpkey" Command for DSA Keys
Where to find tutorials on using OpenSSL "genpkey" and "pkey" commands for DSA private keys? Here is a collection of tutorials on using OpenSSL "genpkey" and "pkey" commands compiled by FYIcenter.com team to generate and manage DSA (Digital Signature Algorithm) private keys OpenSSL "genpkey -genpara...
2017-09-12, 799👍, 0💬

OpenSSL "req -x509" - Sign CSR with Different Key
Can I sign my own CSR with a different private key using the OpenSSL "req -x509" command? Yes, you can sign you own CSR (Certificate Sign Request) with a different private key using the OpenSSL "req -x509" command as shown below. But the result is not a true self-signed certificate. The entity name ...
2016-11-05, 793👍, 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, 783👍, 0💬

OpenSSL "pkey -aes*" - Re-Encrypt DH Keys
How to re-encrypt a DH key file using OpenSSL "pkey" command? I want to change the encryption password, and maybe change the encryption algorithm. If you want to encrypt an existing DH key file again, you can use the "pkey -aes*" command as shown below: C:\Users\fyicenter&gt;\loc al\openssl\opens...
2017-08-13, 782👍, 0💬

OpenSSL "pkey" - Open Encrypted DSA Keys
How to open an encrypted DSA key file using OpenSSL "pkey" command? I was told the key file is DES encrypted and I know the password. If you are trying to open a password (encrypted) DSA key file using the "pkey" command, you will be prompted for the password as shown below: C:\Users\fyicenter&g...
2017-10-08, 781👍, 0💬

OpenSSL "pkey -pubin" - View RSA Public Key
How to view contents of an RSA public key file using OpenSSL "pkey" command? If you want to view contents of an RSA public key stored in a file, you can use the OpenSSL "pkey -pubin" command as shown below: C:\Users\fyicenter&gt;\loc al\openssl\openssl.exeOpenSSL&gt; pkey -pubin -in my_rsa_p...
2018-01-13, 779👍, 0💬

OpenSSL "genpkey -des" - DES Encrypt EC Keys
How to generate a new EC key pair and encrypt the output with a DES password using OpenSSL "genpkey" command? If you want to secure your new EC private key with a DES encryption, you can use the OpenSSL "genpkey -des" command as shown below: C:\Users\fyicenter&gt;\loc al\openssl\opensslOpenSSL&a...
2017-06-23, 777👍, 0💬

OpenSSL "x509 -text" - View Self-Signed Certificate in Text
How to print contents of a self-signed certificate in text format using OpenSSL "x509" command? If you want to see contents of a self-signed certificate in text format, you can use the OpenSSL "x509 -text" command as shown below: C:\Users\fyicenter&gt;\loc al\openssl\openssl.exeOpenSSL&gt; x...
2016-11-20, 774👍, 0💬

OpenSSL "genpkey -des" - DES Encrypt DSA Keys
How to generate a new DSA key pair and encrypt the output with a DES password using OpenSSL "genpkey" command? If you want to secure your new DSA private key with a DES encryption, you can use the OpenSSL "genpkey -des" command as shown below: C:\Users\fyicenter&gt;\loc al\openssl\opensslOpenSSL...
2017-11-25, 768👍, 0💬

OpenSSL "dsa -pubin" - View DSA Public Key
How to view contents of a DSA public key file using OpenSSL "dsa" command? If you want to view contents of a DSA public key stored in a file, you can use the OpenSSL "dsa -pubin" command as shown below: C:\Users\fyicenter&gt;\loc al\openssl\openssl.exeOpenSSL&gt; dsa -in my_dsa_2048_pub.key ...
2016-12-28, 759👍, 0💬

OpenSSL "pkey -aes*" - Re-Encrypt EC Keys
How to re-encrypt a EC key file using OpenSSL "pkey" command? I want to change the encryption password, and maybe change the encryption algorithm. If you want to encrypt an existing EC key file again, you can use the "pkey -aes*" command as shown below: C:\Users\fyicenter&gt;\loc al\openssl\opens...
2017-05-29, 753👍, 0💬

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