Download PuTTY For Linux (Ubuntu) Users should install the PuTTY first to download the PuTTYgen for Ubuntu(Linux) OS. For SSH key generation tool – PuTTYgen needs to be installed from the PuTTY client in case of some Linux distribution.
PuTTYgen App for Windows 10 PC: PuTTYgen (2020) latest version free download for Windows 10. Install PuTTYgen full setup 64 bit and 32 bit on you PC. 100% safe and free download from Softati.com. Key generator which generates pairs of public and private keys to be used with PuTTY, PSCP, and Plink, as well as the PuTTY authentication agent, Pageant.

Putty Key Generator Linux
Putty X64 Windows 10

May 10, 2015 This article will guide you through the installation and configuration steps for Putty Key Generator (PuTTYgen), which is part of Putty Suite. The procedure mentioned in this tutorial is tested on: OSWindows 7 (I) What is PuTTYgen? PuTTY Key Generator, a.k.a. PuTTYgen (an RSA and DSA key generation utility), is a free utility which generates.

PuTTYgen is a tool used for generating public and private SSH keys which are its fundamental function. Though it collects keys in its own file format i.e. .ppk files, keys can also be transformed to any other file format quickly. It is available for the various operating system, i.e. Windows, Linux, Mac, etc. PuTTYgen.exe is the graphical tool on Windows OS. While on the other side, Linux OS has the only command-line version.

Contents

2 Download PuTTYgen
- 2.1 Download PuTTYgen on Windows
- 2.2 Download PuTTYgen for Mac
- 2.3 Download PuTTYgen for Linux

PuTTYgen is used to generate public or private key pair for creating SSH keys. Below is the complete guidance about how to generate RSA key in Windows operating system:

Once you install the PuTTY on your machine, you can easily run PuTTYgen. For the same, go to Windows -> Start Menu -> All Programs -> PuTTY -> PuTTYgen.
You will see the PuTTY key generator dialog box on your screen
You will find a “Generate” button in that dialog. Clicking on it will lead to generating the keys for you.
Now you will need to add a unique key passphrase in the Key passphrase and Confirm passphrase field.
Click on the “Save Public Key” and “Save Private Key” buttons to save your public and private keys.
You will see the text starting with ssh-RSA in the Public key for pasting into OpenSSH authorized_keys file field which is located at the top of the window. Copy that entire text to your clipboard by pressing ctrl+c as you will require the key to paste on your clipboard in the public key tool of control panel or directly on the cloud server.

Various Ways to Use RSA Key Pair

RSA key pair generated through PuTTYgen is used in two various ways defined as below:

To assign while creating a new cloud server
You can choose the public key from the given list of keys at the time of creating cloud server. If you don’t find your key in that list, then first add and then assign it.
Assign to an existing cloud server
At the time of connecting to the cloud server, first of all, you need to tell PuTTY to use it for utilizing your newly created RSA key pair.

The installation of PuTTYgen is very simple as it is installed as a part of normal PuTTY .msi package installation. You can follow the simple steps to download PuTTYgen software for your system. That is the reason why you don’t need to download PuTTYgen separately. Once you download PuTTY software, you will be able to install and run PuTTYgen easily in no time. Below is the complete instruction about how to download and install PuTTY on Windows.

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Download PuTTYgen on Windows

The very first requisite is to acquire the copy of PuTTY installation package. If your system is of 64-bit, then you should install a 64-bit version of PuTTY, i.e. putty-64bit-<version>-installer.msi. In case of a 32-bit operating system, you will need to install the 32-bit version of PuTTY, i.e. putty-<version>-installer.msi

To generate the domain key used to sign mail login. Go to PuTTY Installation Download page, where you will find the download link of PuTTY installation package with the exhaustive details of its installation, setup instruction, verifying release signature, various alternatives, many more.

Once the PuTTY installation package is downloaded successfully, now it’s time to install it by starting the installer. Go to How to install PuTTY on Windows where you will find the step by step guidance for PuTTY installation for Windows operation system.

After successfully downloading and installing PuTTY on your Windows machine, you are just 2-3 clicks away to run PuTTYgen. Follow the below-given step by step guidance to run PuTTYgen:

Run PuTTYgen on Windows

1. Go to Windows -> Start Menu -> All Programs -> PuTTY -> PuTTYgen. You will see a window for PuTTY Key Generator on your screen.

That’s it. Now you can generate public or private key pair using PuTTYgen.

Download PuTTYgen for Mac

You can find the step by step guide to download PuTTYgen for Mac operating system. Command-line SSH client is a part of the Mac operating system. To utilize it, go to Finder and then opt for Go -> utilities from the top menu. After that find the terminal which supports SSH connections to remote servers.

Ported PuTTY for Mac

Mac has the port of PuTTY which can be installed in various ways described as below:

Installation using Homebrew:
Use the below-given command to install PuTTY in case you have already installed “brew”command.sudo brew install putty
Installation using MacPorts:
PuTTY is easily available through MacPorts. First of all, install MacPorts and then apply the below-given command.

sudo port install puttyUse the below-given command to add the shortcut on the desktop.cp /opt/local/bin/putty ~/Desktop/PuTTY
Alternatives to PuTTY on Mac OSCyberduck, used by many people on Mac OS is the best SSH Client is the ultimate alternative to PuTTY on Mac OS.

Download PuTTYgen for Linux

In order to download PuTTYgen for Linux (Ubuntu) operating system, one required to install PuTTYgen separate from the PuTTY client in case of some Linux distributions.

For example, Debian Linux requires the below-given code to install PuTTYgen:

sudo aptitude install putty-tools

Generate Key Pair for Authentication in Linux

Use the below command to create the key pair for authentication in Linux.

PuTTYgen -t RSA -b 2048 -C “user@host” -o keyfile.ppk

Various Command Line Options of PuTTY in Linux

Below is the list of important command line options for PuTTY in Linux operating system.

PuTTYgen [-t keytype [-b bits] [-q] | keyfile]
[-C new-comment] [-P]
[-O output-type | -p | -l | -L]
[-o output-file]

Options:

Keyfile – It is the name of the existing key file to read at the time of changing the current key.
-t keytype – This command specifies the type of the key to creating. Its acceptable values are RSA and dsa.rsa1.
-b bits – This command specifies a total number of bit in a particular key. 1024 is the perfect size for DSA key, while 2048 or 4096 are the perfect size for RSA keys.
-q – This command suppresses the message about progress at the time of key generation.
-C new-comment – This command is used to specify the comment to describe the key. It can be used for new and/or existing key. Key operation is not affected by comment. However, it is used to recognize the key owner, it’s not reliable completely as any value can be applied to it.

Install Putty Key Generator Windows 10