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Enter CSR and Private Key command. 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. Enter your CSR details. Secure and easy Certificate Signing Request generation for your SSL certificates. CSR Generator security github. Generate a Certificate Signing Request. Complete this form to generate a new CSR and private key. Organizational Unit. Sep 11, 2018  Option 2: Generate a CSR for an Existing Private Key. It is recommended to issue a new private key whenever you are generating a CSR. If, for any reason, you need to generate a certificate signing request for an existing private key, use the following OpenSSL command. The certificate signing request (CSR) that is needed by the certificate authority (CA) is created by default. You can generate an RSA key or ECDSA key. If you generate an RSA key, you must define the key length and the hash algorithm of the generated RSA keys.

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Generate a certificate signing request

Before you can install a Secure Socket Layer (SSL) certificate, you must first generate a certificate signing request (CSR). You can do this by using one of the following methods:

Jan 30, 2017  When renewing a certificate it is not necessary to generate a new csr. This is possible by maintaining the same private key. When received the renewed certificate from the 3rd party certification authority, we can try to import it and assign the private key from the management console (mmc.

OpenSSL

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®

  The following output provides an example of what the command returns:

• Debian® and the Ubuntu® operating system

  The following output provides an example of what the command returns:

If the preceding packages are not returned, install OpenSSL by running the following command:

• CentOS and Red Hat

• Debian and the Ubuntu operating system

Generate the RSA key

Run the following commands to create a directory in which to store your RSA key, substituting a directory name of your choice:

Run the following command to generate a private key:

Create a CSR

Run the following command to create a CSR with the RSA private key (output is in Privacy-Enhanced Mail (PEM) format):

Generate Csr For Existing Key Free

When prompted, enter the necessary information for creating a CSR by using the conventions shown in the following table.

Note: You cannot use the following characters in the Organization Name or Organizational Unit fields: < > ~ ! @ # $ % ^ * / ( ) ? . , &

Warning: Leave the challenge password blank (press Enter).

Verify your CSR

Run the following command to verify your CSR:

After you have verified your CSR, you can submit it to a CA to purchase an SSL certificate.

Windows IIS Manager

Use the following steps to generate a CSR by using Windows IIS Manager:

Note: The following steps are for IIS 8 or IIS 8.5 on Windows Server 2012.

1. Open IIS Manager.
2. In the left-hand Connections pane, click the server for which you want to generate a CSR.
3. In the center server Home pane under the IIS section, double-click Server Certificates.
4. In the right-hand Actions pane, click Create Certificate Request.

5. In the Request Certificate wizard, on the Distinguished Name Properties page, enter the following information and then click Next.

   Field	Explanation	Example
   Common Name	The fully qualified domain name to which the certificate applies. The domain names example.com and www.example.com are distinct from each other, so be sure to submit your request for the right domain. If you are purchasing a wildcard certificate, use *.example.com.	example.com
   Organization Name	The exact legal name of your organization. The CA might seek to confirm that your organization is real and legally registered, so don’t abbreviate words that aren’t abbreviated in the organization’s legal name.	Example Inc.
   Organizational Unit	The branch of your organization that is making the request.	Marketing
   City/locality	The city where your organization is legally located. Do not abbreviate the city name.	San Antonio
   State/province	The state or province where your organization is legally located. Do not abbreviate the state or province name.	Texas
   Country/region	The two-letter ISO abbreviation for your country.	US

6. On the Cryptographic Server Provider Properties page, enter the following information and then click Next.

   • Cryptographic service provider: Unless you have a specific cryptographic provider, use the default selection.
   • Bit length: 2048 is the recommended bit length.
7. On the File Name page, enter the location where you want to save the certificate request file and then click Finish.

After you have generated the CSR, you can submit it to a CA to purchase an SSL certificate.

Cloud Control Panel

Rackspace provides the CSR Generator for generating a CSR. The CSR Generator shows you the CSRs that you currently have and lets you create new CSRs with a simple form. After you have entered your details, the generator combines them with your private key so that you can submit the combined encoded information to a CA.

When you are done with the generator, you can return to the Cloud Control Panel by clicking any of the links in the top navigation or by going to login.rackspace.com and selecting Rackspace Cloud from the drop-down product menu in the top navigation bar.

Access the CSR Generator

Access the CSR Generator directly or through the Control Panel by using the following steps:

1. Log in to the Cloud Control Panel and select Rackspace Cloud from the drop-down product menu in the top navigation bar.
2. In the top navigation bar, click Servers > Cloud Servers.
3. Click the name of the server for which you want to generate a CSR.
4. In the right-hand Managing Your Server section under Help me with, click Generate a CSR.

The generator lists your existing CSRs, if you have any, organized by domain name.

Generate a CSR

1. Click Create CSR.

2. Enter the following information, which will be associated with the CSR:

   Field	Explanation	Example
   Domain Name	The fully qualified domain name to which the certificate applies. The domain names example.com and www.example.com are distinct from each other, so be sure to submit your request for the right domain. If you want to secure both domains, you can use the Alt Names field. If you are purchasing a wildcard certificate, use *.example.com.	example.com
   Alt Names	(Optional) Additional domains that you want to add to the request. Each CA treats these differently, and the CA might charge for additional names. You can submit a comma-separated list.	www.example.com, secure.example.com
   Email Address	(Optional) A contact email address for the certificate.	support@example.com
   Organization Name	The exact legal name of your organization. The CA might seek to confirm that your organization is real and legally registered, so don’t abbreviate words that aren’t abbreviated in the organization’s legal name.	Example Inc.
   Organizational Unit	(Optional) The branch of your organization that is making the request.	Marketing
   City	The city where your organization is legally located. Do not abbreviate the city name.	San Antonio
   State or Province	The state or province where your organization is legally located. Do not abbreviate the state or province name.	Texas
   Country	Choose your country from the drop-down menu. The two-letter ISO abbreviation for your country is included in the CSR.	United States
   Private Key Bit Length	Key sizes smaller than 2048 are considered insecure and might not be accepted by a CA.	1024,2048,4096
   Hashing Algorithm	Both algorithms are currently trusted in mainstream browsers and offer industry recommended security. SHA-512 requires additional CPU processing.	SHA-256, SHA-512

   Note: You cannot use the following characters in the Organization Name or Organizational Unit fields: < > ~ ! @ # $ % ^ * / ( ) ? . , &

3. After you have entered all the required information, click Create CSR.

It can take between 5 and 60 seconds for the CSR to be generated. You might need to refresh the page that displays your CSRs before the new CSR is listed.

View CSR details

When CSR has been generated, you can click its UUID (unique identifier) in the CSR list to view its details screen.

This screen displays the information that you provided, the text of the CSR, and its associated private key.

Submit the CSR to the CA

The text in the Certificate Request field is the CSR. It contains encoded details of the CSR and your public key.

To request your SSL certificate, copy the Certificate Request text and submit it to your CA. Include all the text, including the BEGIN and END lines at the beginning and end of the text block.

'Strengthening passwords.' Abadi, Martın, T. Digital System Research Center, Tech. Introduction to cryptography ppt. Lomas, and Roger Needham.

Install the private key

Copy the private key to the server that will host the certificate. See your application documentation to determine where to install the private key and certificate on your server.

MyRackspace Portal

If you are a Managed or Dedicated customer, you can request a CSR through the MyRackspace Portal by using the following steps:

1. Log in to the MyRackspace Portal and select Dedicated Hosting from the drop-down product menu in the top navigation bar.
2. In the top navigation bar, click Tickets > Create Ticket.
3. On the Tickets / Create New Ticket page, select Generate Certificate Signing Request (CSR) from the Subject drop-down list.

4. Enter the following information in the Ticket Details section:

   Field	Explanation	Example
   Device(s)	The server or servers for which you want to generate a CSR. Use the drop-down menu to select your servers.
   Common Name	The fully qualified domain name to which the certificate applies. The domain names example.com and www.example.com are distinct from each other, so be sure to submit your request for the right domain. If you want to secure both domains, you can use the Alt Names field. If you are purchasing a wildcard certificate, use *.example.com.	example.com
   Alt. Names	(Optional) Additional domains that you want to add to the request. Each CA treats these differently, and the CA might charge for additional names. You can submit a comma-separated list.	www.example.com, secure.example.com
   Email Address	(Optional) A contact email address for the certificate.	support@example.com
   Organization	The exact legal name of your organization. The CA might seek to confirm that your organization is real and legally registered, so don’t abbreviate words that aren’t abbreviated in the organization’s legal name.	Example Inc.
   Organizational Unit	(Optional) The branch of your organization that is making the request.	Marketing
   Locality (City)	The city where your organization is legally located. Do not abbreviate the city name.	San Antonio
   State or Province Name	The state or province where your organization is legally located. Do not abbreviate the state or province name.	Texas
   Country	Choose your country from the drop-down menu. The two-letter ISO abbreviation for your country is included in the CSR.	United States

   Note: The bit length is automatically set to 2048.

5. Click Create Ticket.

Next steps

Reference

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How To Generate Csr Key

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CSR stands for ‘Certificate Signing Request’, that is generated on the server where the certificate will be used on. A CSR contains information about to your organization and domain name, locality, and country and a public key that will be included in your certificate.

This article has 3 methods to create CSR (Certificate Signing Request) on Linux systems. You can choose any one of below methods. All methods will do the same task, only they have a detailed explanation.

Method 1 – Using Single Command

We can create CSR using the single command like below. But make sure you have installed OpenSSL package on your system. The below command will first create a private key and then generate CSR. This command will also require few details as input.

Method 2 – Short Instructions

Below are three simple commands to generate CSR. You may also use detailed instructions to do it.

Method 3 – Detailed Instructions

Step 1: Install Required Packages.

In order to generate CSR, you required OpenSSL to be installed on your system. If it is not already installed use below command to install it.

Step 2: Generate Key for your Domain.

Firstly you required root access to generate a key file. So login as root and use below command to generate a key.

Sample output:

At the end of the command, it showing 2048, which is the length of the key in bits. Most of CA required 2048 bit length keys. Above command will create a key file tecadmin.net.key, which is used in step 3.

Step 3: Generate CSR for your Domain using Key.

After generating a key, next steps are to generate CSR for the domain. Use below command to generate CSR file, This command will prompt for your organization and common name, locality, email, and country. Common Name must be the same as your domain name.

Sample Output:

Above command will generate a file tecadmin.net.csr in the current directory, Use this file to order your SSL from CA (Certificate Authority).

Generate Csr For Existing Key Code

References:

Generate Csr Online

http://wiki.centos.org/HowTos/Https
http://www.centos.org/docs/4/4.5/System_Administration_Guide/Apache_HTTP_Secure_Server_Configuration-Generating_a_Key.html