n.

 Download PuTTYgen Latest Version for Windows, Linux & Mac

What is Puttygen?

Puttygen is a tool used for generating Public and Private SSH keys for servers. You can create the SSH keys with putty gen, and it's the primary function of it. Putty gen generates the keys in its file format which is .ppk format. 

But you can also convert the .ppk format to any other format easily. Putty gen is officially available for Windows, Linux & Mac. The Windows version of Basic Putty Commands. 

You can install it on your Windows PC and run it. It has a GUI (Graphical User Interface) version for Windows. But Putty gen for Linux or Mac is command based. You have to use some commands to use Putty gen on Linux or Mac OS.

Putty gen is a handy tool if you work with servers. It can generate different types of SSH keys for your server and make it more secure. If you are using Putty, which is a very popular SSH client, then you can generate the keys for Putty with the help of Puttygen.

Download Puttygen for Windows

Putty gen comes with the Putty software itself. That means you can access Putty gen from Putty itself. But if you want to download only the Putty gen for Windows, you can do it too. Using Putty gen on Windows is not a big task.

 You have to download Puttykey.com for Windows and open it. It doesn't require any installation. You can use it without installing it on your Windows PC. You can use it on any Windows version. i.e., Windows 7, Windows8/8.1, or Windows 10. No matter which version of Windows OS you are using, you can use Puttygen on any Windows PC.

Note: If you have 64-Bit of Windows you have to download the 64-Bit of Putty gen. If you have 32-Bit of Windows, download the 32-Bit of Putty gen. I've provided both version's download link below. You can directly download it from there.

Download Puttygen for Mac

You can access Putty gen with Mac by using command lines. Just go to the Utility option from the Top Menu and select the SSH connection Supported terminal for remote connections.

You can also install Putty gen in other ways.

Homebrew: Use the Command- "brew" command. sudo brew install putty to Install Putty

MacPorts: Use the command- sudo port install putty to install. And create the shortcut by using the following commands- desktop.cp /opt/local/bin/putty ~/Desktop/PuTTY

Download Puttygen for Linux

You can access Putty gen on your Linux with your Linux terminal. You have to download the Putty tools to use Puttygen on your Linux operating system. Use the below command line to Download & install Putty gen on Debian Linux.

sudo aptitude install putty-tools

How to Generate Key Pair for Authentication in Linux?

Just use the below commands in your command terminal to generate Key Pair for Authentication.

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

Where "user" is your Linux username and "host" is your Linux hostname. And "key file" is your SSH Keyfile name.

Features

1. Windows client. Mac and Linux ports exist. No server included.
2. Supports both 32-bit and 64-bit Windows. An MSI installer has been available since 2016.
3. Supports SSH client, telnet client, SFTP client (command line only), and rlogin client. Both SSH2 and SSH1 protocols are supported. Note that the use of SSH1 is not recommended for security reasons. Practically all devices support SSH2 these days.
4. Supports public-key authentication and Active Directory/Kerberos authentication.
5. File transfers only using a separate command-line program. No integrated file transfer support.
6. No scripting support, but can be used together with WinSCP.

Terminal window

The main feature of the product is the terminal window. It has good terminal emulation, good configurability, and good support for different cryptographic algorithms. SSH, telnet, and plain TCP/IP protocols are supported. The PuTTY terminal is pretty good and handles terminal emulation well.