We will use openssl to generate CSR which can also be submitted to third party CA or can be used by your own CA certificates . Submit the request. Once you have the CSR, you are then ready to submit the request (contents of the CSR) to the CA. For third part CA, you can do this by navigating to the CA's web site The OpenSSL command below will generate a 2048-bit RSA private key and CSR: openssl req -newkey rsa:2048 -keyout PRIVATEKEY.key -out MYCSR.csr. Let's break the command down: openssl is the command for running OpenSSL. req is the OpenSSL utility for generating a CSR.-newkey rsa:2048 tells OpenSSL t Generating a CSR on Windows using OpenSSL. Step 1: Install OpenSSL on your Windows PC. Step 2: OpenSSL Configuration Steps. Step 3: Generate the CSR Code. During SSL setup, if you're on a Windows-based system, there may be times when you need to generate your Certificate Signing Request (CSR) and Private key outside the Windows keystore CSR erstellen unter OpenSSL Loggen Sie sich auf Ihrem Server ein. Rufen Sie das Programm openssl auf, um die Aufforderung zu erzeugen: openssl req -nodes -new -newkey rsa:2048 -sha256... Tragen Sie hier den 2-stellingen Laendercode (DE = Deutschland) ein. # Country Name (2 letter code) [AU]: DE.
To generate a Certificate Signing Request (CSR) using OpenSSL on Microsoft Windows system, perform the following steps: Step 1: Install OpenSSL 1. Open the following link in your web browser: https://wiki.openssl.org/index.php/Binaries 2. On the table Third Party OpenSSL Related Binary Distributions, there are a few distributions. 3. Select th In this article you'll find how to generate CSR (Certificate Signing Request) using OpenSSL from the Linux command line, without being prompted for values which go in the certificate's subject field.. Below you'll find two examples of creating CSR using OpenSSL.. In the first example, i'll show how to create both CSR and the new private key in one command . openssl req -new -sha256 -key store.scriptech.io.key.pem -config /etc/ssl/openssl.cnf -out store.scriptech.io.csr Verify the CSR. To view the contents of your new CSR, use the following command: openssl req -text -noout -verify -in store.scriptech.io.csr Certificate Request: Data: Requested Extensions: X509v3 Subject Alternative Name: DNS:webserver1.scriptech.i
Step 1 - Create a key for the first certificate openssl genpkey -out device1.key -algorithm RSA -pkeyopt rsa_keygen_bits:2048 Step 2 - Create a CSR for the first certificate. Make sure that you specify the device ID when prompted. openssl req -new -key device1.key -out device1.csr Country Name (2 letter code) [XX]:. State or Province Name (full name) :. Locality Name (eg, city) [Default City]:. Organization Name (eg, company) [Default Company Ltd]:. Organizational Unit Name (eg. OpenSSL is a tool used to generate private keys, create CSR, install SSL/TLS certificate and also identify certificate information. To use OpenSSL Tool to generate CSR it is necessary to install the tool into the Linux System first so to install execute the following command, $ sudo apt install openssl Dieser Artikel erklärt, wie man mittels openssl eine Zertifikatsanfrage (CSR) für Multi-Domain-Zertifikate erstellen kann. Entsprechende Anbieter wie Comodo, Thawte oder Geotrust benötigen für die Ausstellung eines SSL-Zertifikats eine CSR-Datei, die die wichtigsten Informationen zu Ihrem Zertifikat und Ihrer Firma enthält
Generate a private key and CSR by running the following command: Here is the plain text version to copy and paste into your terminal: openssl req -new -newkey rsa:2048 -nodes -keyout server.key -out server.csr. Note: Replace server with the domain name you intend to secure. 3. Enter your CSR details Create a text file named myserver.cnf (where myserver is supposed to denote the name/FQDN of your server) with the following content: # OpenSSL configuration file for creating a CSR for a server certificate # Adapt at least the FQDN and ORGNAME lines, and then run # openssl req -new -config myserver.cnf -keyout myserver.key -out myserver.csr.
Generate the certificate with the CSR and the key and sign it with the CA's root key Use the following command to create the certificate: openssl x509 -req -in fabrikam.csr -CA contoso.crt -CAkey contoso.key -CAcreateserial -out fabrikam.crt -days 365 -sha256 Verify the newly created certificat The following sections describe how to use OpenSSL to generate a CSR for a single host name. If you want to generate a CSR for multiple host names, we recommend using the Cloud Control Panel or the MyRackspace Portal. Install OpenSSL. Check whether OpenSSL is installed by using the following command: CentOS® and Red Hat® Enterprise Linux® rpm -qa | grep -i openssl The following output. . Below are the steps involved. In webserver, go to the terminal client. Type: openssl req -new -newkey rsa:2048 -nodes -keyout server.key -out server.csr. Enter the name of the domain along with the asterisk, as explained above To create a CSR, you need the OpenSSL command line utility installed on your system, otherwise, run the following command to install it. $ sudo apt install openssl [On Debian/Ubuntu] $ sudo yum install openssl [On CentOS/RHEL] $ sudo dnf install openssl [On Fedora
Generating a CSR with OpenSSL. There are two steps involved in generating a certificate signing request (CSR). First, you have to generate a private key, and then generate CSR using that private key. Step 1: Generate a private key. Enter the following command in the Terminal with sudo to generate a private key using RSA algorithm with a key length of 2048 bits. $ sudo openssl genrsa -out. We must openssl generate csr with san command line using this external configuration file. Here we have added a new field subjectAtlName, with a key value of @alt_names. Next under [alt_names], I will provide the complete list of IP Address and DNS name which the server certificate should resolve when validating a client request . OpenSSL is a tool used to generate private keys, create CSR, install SSL/TLS certificate and also identify certificate information. To use OpenSSL Tool to generate CSR it is necessary to install the tool into the Linux System first so to install execute the following command, $ sudo apt install openssl. Verifying OpenSSL is.
OpenSSL is an open-source tool widely used for generating a CSR. To check whether OpenSSL is installed or not, open the Terminal in your Debian OS and then type the below command: $ dpkg -l |grep openssl. If it is already installed in your system, it will return the following results. Installing OpenSSL . If you do not see the above results, then you have to install OpenSSL as follows: Enter. . If you already have a key, the command below can be used to generates a CSR and save it to a file called req.pem. This is an interactive command that will prompt you for fields that make up the subject distinguished name of the CSR. openssl req -new -key key.pem -out req.pem. If you do not have a key, the command below will generate a new private key and an associated CSR. If.
Use the following command to generate the CSR: openssl req -new -sha256 -key fabrikam.key -out fabrikam.csr When prompted, type the password for the root key, and the organizational information for the custom CA: Country/Region, State, Org, OU, and the fully qualified domain name. This is the domain of the website and it should be different from the issuer. Generate the certificate with the. How to Create Your ECC CSR (Certificate Signing Request) using Apache Log into your Apache server. At the prompt, type the following command to generate an ECC private key using the OpenSSL ecparam tool to generate your... Save (backup) the generated .key file, making sure to note its location. This. I create a CSR with: openssl req -nodes -new -newkey rsa:2048 -sha256 -out test.csr. This generate 2 files: privkey.pem and test.csr. Now when I try and update some servers, they complain that my Private key is not in PEM format. nginx and apache seem happy with my key. When I then convert the key with: openssl rsa -in privkey.pem -out privkey. Then we create a CSR: openssl req -new -key dev.deliciousbrains.com.key -out dev.deliciousbrains.com.csr You'll get all the same questions as you did above and, again, your answers don't matter. In fact, they matter even less because you won't be looking at this certificate in a list next to others. You are about to be asked to enter information that will be incorporated into your. Generate a OpenSSL Certificate Signing Request Step 1: Log Into Your Server. Open a terminal window. Use your SSH connection to log into your remote server. Note: If... Step 2: Create an RSA Private Key and CSR. It is advised to issue a new private key each time you generate a CSR. Hence,... Step 3:.
Complete the following steps to generate SHA2 CSR on NetScaler using OpenSSL: Create a custom configuration file named openssl.cnf. The file can have the following entries. Modify the entries according to the requirement. You can create this file on NetScaler using the VI editor or any other editor. [req] default_bits = 2048 prompt = no encrypt_key = no default_md = sha256 distinguished_name. The code snippet. How to generate a wildcard cert CSR with a config file for OpenSSL is published by pascal.brokmeier in curiouscaloo
To generate a Certificate Signing Request (CSR), perform the following steps: Generating the Key Pair . 1. The utility OpenSSL is used to generate both Private Key (key) and Certificate Signing request (CSR). OpenSSL is usually installed under /usr/local/ssl/bin. If you have a custom install, you will need to adjust these instructions appropriately. 2. Type the following command at the. OpenSSL step by step tutorial explaining how to generate key pair, how to export public key using openssl commands, how to create CSR using openSSL and how t.. Create an OpenSSL configuration file (text file) on the local computer by editing the fields to the company requirements. Note 1: In the example used in this article the configuration file is req.conf. Note 2: req_extensions will put the subject alternative names in a CSR, whereas x509_extensions would be used when creating an actual certificate file. [req] distinguished_name = req. Check a certificate and return information about it (signing authority, expiration date, etc.): openssl x509 -in server.crt -text -noout Check a key. Check the SSL key and verify the consistency: openssl rsa -in server.key -check Check a CSR. Verify the CSR and print CSR data filled in when generating the CSR: openssl req -text -noout -verify. To create a code signing certificate: openssl req -new -newkey rsa:2048 -keyout testsign.key -sha256 -nodes -out testsign.csr -subj /CN=testsign -config codesign.cnf. Example of a code signing openssl configuration codesign.cnf: [ req ] default_bits = 2048 # RSA key size. encrypt_key = yes # Protect private key
This includes OpenSSL examples of generating private keys, certificate signing requests, and certificate format conversion. It does not cover all of the uses of OpenSSL. How to Use This Guide: If you are not familiar with certificate signing requests (CSRs), read the first section; Aside from the first section, this guide is in a simple, cheat sheet format-self-contained command line. Verify CSR openssl req -noout -text -in ucc.csr *Verify the CSR information is correct* Verify Private Key openssl rsa -in ucc.key.temp -check *This will verify the private key, it should return an OK* Use CSR on certificate authority to create a certificate file. Use CSR on third party certificate authority (GoDaddy/Digicert etc) with a Multiple Domain (UCC) SSL certificate or wildcard. This guide will walk you through the steps to create a Certificate Signing Request, (CSR for short.) SSL certificates are the industry-standard means of securing web traffic to and from your server, and the first step to getting your own SSL is to generate a CSR. This guide is written specifically for CentOS 7. Log onto your server using SSH. Enter the following command at the prompt. Note. Create SSL Certificate. How to generate a certificate signing request solely depends on the platform you're using and the particular tool of choice. We will be generating a CSR using OpenSSL. OpenSSL is a widely-used tool for working with CSR files and SSL certificates and is available for download on the official OpenSSL website. It is an open. Certificate Authority (CA) erstellen. Zu Beginn wird die Certificate Authority generiert. Dazu wird ein geheimer Private Key erzeugt: openssl genrsa -aes256 -out ca-key.pem 2048. Der Key trägt den Namen ca-key.pem und hat eine Länge von 2048 Bit. Wer es besonders sicher haben will, kann auch eine Schlüssellänge von 4096 Bit angeben
$ man openssl. We must remember that the certificate signing request key must be in RSA format, and the size of the key should be 2048-bits. Be careful about using the CSR key; every time you generate a CSR key request, you will get a different CSR key. Here, I will use the terminal command-line interface to generate a new private key request. Here is an example of using OpenSSL s_server with an RSA key and cert with ID 3. By default this command listens on port 4433 for HTTPS connections. env OPENSSL_CONF=engine.conf openssl s_server -engine pkcs11 \ -keyform engine -key 0:0003 -cert rsa.crt -www engine pkcs11 set. PKCS#11 token PIN: Using default temp DH parameters ACCEPT ACCEPT openssl_csr_new() erzeugt einen neuen CSR (Certificate Signing Request, Zertifikats-Signierungsanfrage) basierend auf den Informationen, die mit dem Parameter distinguished_names angegeben werden. Hinweis: Die ordnungsgemäße Ausführung dieser Funktion setzt die Installation einer gültigen openssl.cnf-Datei voraus.Mehr Information hierzu finden sie im Installationsabschnitt openssl 生成csr. OpenSSL provides different features about security and certificates. Public and Private Key cryptography also supported by OpenSSL. Websites, Firewalls and other applications uses Certificates in order to encrypt their network traffic or authenticate each other. In this tutorial we will look how to create Certificate Signing Request. OpenSSL提供有关安全性和证书的. GlobalSign's support team show you how to create a certificate signing request (CSR) in Apache Open SSL. Order your certificate today: https://goo.gl/RquJW7*..
See Example: SSL Certificate - Generate a Key and CSR (Link opens in a new window). Tableau Server uses Apache, which includes OpenSSL (Link opens in a new window). You can use the OpenSSL toolkit to generate a key file and Certificate Signing Request (CSR) which can then be used to obtain a signed SSL certificate. Steps to generate a key and CSR This article will go into detail on how to generate certificate signing request on Nginx using OpenSSL. If you prefer, you can make your own shell commands to generate your Nginx CSR. Just follow the instructions below: Login to your server via your terminal client (ssh). At the prompt, type: openssl req -new -newkey rsa:2048 -nodes -keyout. Get Social!Creating multiple SSL certificates for web servers and application can be a repetitive task. Generally speaking, when creating these things manually you would follow the below steps: Create a certificate key. Create the certificate signing request (CSR) which contains details such as the domain name and address details Next, we will generate CSR using private key above AND site-specific copy of OpenSSL config file. openssl req -new -key example.com.key -out example.com.csr -config example.com.cnf . Please note -config switch. If you forget it, your CSR won't include (Subject) Alternative (domain) Names. Verify CSR. Since sending CSR and getting certificate is time consuming process, it's better to verify.
This section provides the steps to generate certificate chains and other required files for a secure connection using OpenSSL. A certificate chain is provided by a Certificate Authority (CA). There are many CAs. Each CA has a different registration process to generate a certificate chain. Follow the steps provided by your CA for the process to. You can then use the key to generate a certificate sign request using the following command: D:\Software\xampp\apache\bin>openssl req -nodes -new -key server.key -out server.csr Loading 'screen' into random state - done You are about to be asked to enter information that will be incorporated into your certificate request. What you are about to enter is what is called a Distinguished Name or a. To create a CSR you need to provide private key as input. To know more about generating a certificate request you can check How to create a Self Signed Certificate using Openssl commands on Linux (RedHat/CentOS 7/8). [root@localhost ~]# openssl req -new -key ca.key -out ca.csr You are about to be asked to enter information that will be. Create CSR using SHA-1 openssl req -out sha1.csr -new -newkey rsa:2048 -nodes -keyout sha1.key. The command creates two files: sha1.key containing the private key and sha1.csr containing the certificate request. Check CSR openssl req -verify -in sha1.csr -text -noout. The signature algorithm of the CSR is SHA-1 . Sign CSR enforcing SHA-256. Singing the CSR using the CA. openssl x509 -req -days. Generate Root Certificate key. openssl genrsa -out RootCA.key 4096 Generate Root certificate. openssl req -new -x509 -days 1826 -key RootCA.key -out RootCA.crt Generate Intermediate CA certificate key openssl genrsa -out IntermediateCA.key 4096 Generate Intermediate CA CSR. openssl req -new -key IntermediateCA.key -out IntermediateCA.csr Sign the Intermediate CA by the Root.
Create private key with openssl; Create a CSR with all the attributes you need (if you need SAN, then you need to create a config file) Send the CSR to the PKI to create the cert. Once you have the cert, you need to package cert+privkey into a PKCS12 file, password protected. Here is a worked example in Linux openssl (just substitute the filenames and contents as appropriate) I created a san. Generating CSR using OpenSSL This option is normally used on Linux-based Amazon instances as they usually already have the required tool setup, or it is easy to set up. All commands should be run through either CLI or any third-party command line tool connected to your instance (for example, Putty, or Terminal app on MacOS and Linux) Example: Generating a client certificate with OpenSSL. The following example describes how to create a signed client certificate using the OpenSSL toolkit as a private certificate authority. This example also uses the keytool utility available with the Sun Microsystems™ standard Java Development Kit. You can use a client certificate to validate that the client is authorized to connect to.
There is two ways to create sha256(SHA-2) csr in windows. 1 - Install OpenSSL and read this article for more detail and follow instructions.. I strongly advise using OpenSSL. Because it's easy. OpenSSL is the toolbox mainly used by opensource software for SSL implementation. Generate your command line withour CSR creation assistant tool. Generate a CSR for Apache; Generate a CSR for OpenSSL-based servers; Install a certificate for OpenSSL-based servers; Create a pkcs12 from a X509 certificate and its PEM private ke OpenSSL Generate CSR non-interactive. This is a short command to generate a CSR (certificate signing request) with openssl without being prompted for the values which go in the certificate's Subject field. Consider sponsoring me on Github. It means the world to me if you show your appreciation and you'll help pay the server costs
On this occasion I shared How to generate .CSR and .Key with openssl in Linux Redhat, which is intended for ssl wildcards that can be used for main domains and your sub domains are usually called SAN (Subject Alternative Name). Preparation. Make sure you have openssl installed in your machine by looking at the command whether it is already in the /var /run/openssl directory, or you can see the. Generate a private key: $ openssl genrsa -out san.key 2048 && chmod 0600 san.key. Create a configuration file. Change alt_names appropriately. $ cat << EOL > san.conf [ req ] default_bits = 2048 default_keyfile = san.key #name of the keyfile distinguished_name = req_distinguished_name req_extensions = req_ext [ req_distinguished_name ] countryName = Country Name (2 letter code) countryName. Combine the certificate chain (in this example, it is named All-certs.pem) certificates with the private key that you generated along with the CSR (the private key of the device certificate, which is mykey.pem in this example) if you went with option A (that is, you used OpenSSL to generate the CSR), and save the file as final.pem. If you generated the CSR directly from the WLC (option B. Generate a CSR on Windows 10 with OpenSSL for Azure App Service There are many different methods to generating this CSR. I have consistently found it easiest and most sustainable to create the CSR unassociated with the computer that I am working on, or one of my clustered web servers
$ openssl genrsa -out t1.key 2048 Create 2048 Bit RSA Key Create Certificate Sign Request. This is just the key but we should generate a Certificate Sing Request CSR to the CA which is we in this example. We use t1.key as input and t1.csr as output. We also set a symmetric key to protect our certificate sign request. To use predefined parameters like Country Name etc. give OpenSSL. Using OpenSSL on Windows 10 to Generate a CSR & Private Key. Before you can create an SSL certificate, you must generate a certifiate-signing request (CSR). A CSR is an encoded file that provides you with a way to share your public key with a certificate authority (CA). This file contains identifying information, a signature algorithm, and a digital signature. Let's create your first CSR and. 1. Generate Private Key on the Server Running Apache + mod_ssl. First, generate a private key on the Linux server that runs Apache webserver using openssl command as shown below. The generated private key looks like the following. 2. Generate a Certificate Signing Request (CSR) Using the key generate above, you should generate a certificate. Verify Openssl Installation Step 2: Create a Local Self-Signed SSL Certificate for Apache. 3. With the Apache web server and all the prerequisites in check, you need to create a directory within which the cryptographic keys will be stored. In this example, we have created a directory at /etc/ssl/private. $ sudo mkdir -p /etc/ssl/private Now create the local SSL certificate key and file using.
Generating a Certificate Signing Request (CSR) using OpenSSL (Apache & mod_ssl, NGINX) A CSR is a file containing your certificate application information, including your Public Key. Generate your CSR and then copy and paste the CSR file into the web form in the enrollment process: Generate keys and certificate: To generate a pair of private key and public Certificate Signing Request (CSR) for. It generates a private key using a standard elliptic curve over a 256 bit prime field. You can list all available curves using. openssl ecparam -list_curves. or you can use prime256v1 as I did. The second command generates a Certificate Signing Request and the third generates a self-signed x509 certificate suitable for use on web servers Creating an EC Self-Signed Certificate Using OpenSSL. Now that you have a private key, you could use it to generate a self-signed certificate. This is not required, but it allows you to use the key for server/client authentication, or gain X509 specific functionality in technologies such as JWT and SAML Parameters. distinguished_names. The Distinguished Name or subject fields to be used in the certificate. private_key. private_key should be set to a private key that was previously generated by openssl_pkey_new() (or otherwise obtained from the other openssl_pkey family of functions). The corresponding public portion of the key will be used to sign the CSR OpenSSL is a command line tool that is used for TLS (Transport Layer Security) and SSL (Secure Socket Layer) protocols. Now let's create the certificate: Open your terminal (Linux). Run the.
Then, run the following command to launch the CSR creation wizard: openssl req -new -newkey rsa:2048 -nodes -keyout server.key -out server.csr. This will generate a new private key to use during the process and save it to server.key. You'll then be prompted for your info; you can leave most of it blank if you wish, but make sure the Common. Generate a self-signed certificate (see How to Create and Install an Apache Self Signed Certificate for more info) openssl req -x509 -sha256 -nodes -days 365 -newkey rsa:2048 -keyout privateKey.key-out certificate.crt; Generate a certificate signing request (CSR) for an existing private key openssl req -out CSR.csr-key privateKey.key-new. openssl pkcs12 -export -out certificate.pfx -inkey privateKey.key -in certificate.crt -certfile ca-bundle-client.crt. PKCS#7/P7B (.p7b, .p7c) to PFX. P7B files cannot be used to directly create a PFX file. P7B files must be converted to PEM. Once converted to PEM, follow the above steps to create a PFX file from a PEM file. openssl pkcs7 -print_certs -in certificate.p7b -out certificate.crt. Use your web server and the OpenSSL library in case you want to generate ECC (Elliptic Curve Cryptography) CSR. The generated results will be accepted by all popular certificate authorities. CSR code contains information like Common name, legal name of your organization, organization unit, City, State (Region) and e-mail. Online CSR Generator is not suggested to work with Windows (IIS) servers.
Create the actual SSL certificate openssl.exe pkcs12 -export -out www-booches-nl.pfx -inkey private-www-booches-nl.key -in www-booches-nl.crt. When using an Open Source web server you have to use a certificate with a DER format. The first 3 steps, as shown above, are still the same. You can use the following steps to create a DER file. 4. Put the key file code at the end of the crt file cat. By default, when creating a parameters file, or generating a key, openssl will only store the name of the curve in the generated parameters or key file, not the full set of explicit parameters associated with that name. For example: openssl ecparam -in secp256k1.pem -text -noout This will simply confirm the name of the curve in the parameters file by printing out the following: ASN1 OID. Windows: Generate CSR for code or driver signing certificate. Note: Starting June 1, 2021, GoDaddy will no longer issue or renew Code Signing or Driver Signing Certificates. If you already own a Code Signing or Driver Signing Certificate, you will be unable to rekey it after June 1, 2021. All certificates issued before June 1, 2021 will remain valid until they expire. To request a code signing. # generate a private key with the correct length openssl genrsa -out private-key.pem 3072 # generate corresponding public key openssl rsa -in private-key.pem -pubout -out public-key.pem # optional: create a self-signed certificate openssl req -new -x509 -key private-key.pem -out cert.pem -days 360 # optional: convert pem to pfx openssl pkcs12 -export -inkey private-key.pem -in cert.pem -out. . First, lets generate the key and certificate signing request. When prompted, fill in the necessary location details which I have covered in this article. openssl req -new -newkey rsa:2048 -nodes -keyout server.key -out server.csr. Now, we tell the CA to sign the certificate request with the extensions.
Create a Certificate Signing Request using openssl commands. You can either generate CSR by using below regular method where you need to provide the passphrase of private key to generate CSR or you can remove the passphrase from private key before generating CSR. Below given method is the most commonly used method where it will ask for the private key passphrase while generating CSR. [root. The Win32/Win64 OpenSSL Installation Project is dedicated to providing a simple installation of OpenSSL for Microsoft Windows. It is easy to set up and easy to use through the simple, effective installer. No need to compile anything or jump through any hoops, just click a few times and it is installed, leaving you to doing real work. Download it today! Note that these are default builds of. This article describes a step by step procedure from scratch on how to generate a server-side X509 certificate on Windows 7 for SSL/TLS TCP communication using OpenSSL. Note This tutorial does not require any kind of Linux simulation or virtualization of Linux distribution on Windows
When creating an Apple Pay certificate signing request, Apple specifies that you need to use a 256 bit elliptic curve key pair. To generate both the private key and the CSR using the openssl command line utility, do the following: $ openssl ecparam -out private.key -name prime256v1 -genkey $ openssl req -new-sha256-key private.key -nodes-out request.csr -subj '/O=Your Name or Company/C=US Générer un CSR pour Apache avec OpenSSL. Ces instructions sont valables pour tous les serveurs utilisant ApacheSSL ou Apache+mod_ssl ou Apache 2. Par contre, n'utilisez pas ces instructions pour les serveurs avec une surcouche (Cobalt, Plesk, etc.) ou Tomcat Générer un CSR pour Tomcat . Nouveau : Utilisez notre générateur de ligne de commande. Pour gagner du temps, vous pouvez désormais. openssl x509 -req -days 730 -in ia.csr -CA ca.crt -CAkey ca.key -set_serial 01 -out ia.crt. The cert will be valid for 2 years (730 days) and I decided to choose my own serial number 01 for this cert (-set_serial 01). For the root CA, I let OpenSSL generate a random serial number. That's all there is to it