Before generating a key pair using PuTTYgen, you need to select which type of key you need. The current version of the SSH protocol, SSH-2, supports several different key types. PuTTYgen can generate: An RSA key for use with the SSH-2 protocol. A DSA key for use with the SSH-2 protocol. An ECDSA (elliptic curve DSA) key for use with the SSH-2.
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PuTTYgen is an key generator tool for creating SSH keys for PuTTY. It is analogous to the ssh-keygen tool used in some other SSH implementations. The basic function is to create public and private key pairs. PuTTY stores keys in its own format in.ppk files. However, the tool can also convert keys to and from other formats. PuTTYgen Windows 10 App – 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. These days, Simon Tatham has develop this SSH Remote Connect app for PC. Get the latest version of PuTTYgen for free. Visit PuTTY site and Download PuTTY Latest Version! Why Download PuTTY using YepDownload? PuTTY Simple & Fast Download! Works with All Windows (64/32 bit) versions! PuTTY Latest Version! Fully compatible with Windows 10; Disclaimer PuTTY is a product developed by Simon T. This site is not directly affiliated with Simon T. May 05, 2019 If you don’t have PuTTYgen installed, head over to the PuTTY download page and download the PuTTY installation package. The installation is simple, double-click on the installation package and follow the instructions. Creating SSH keys with PuTTYgen # To generate an SSH key pair on Windows using PuTTYgen perform the following steps.
[et_pb_section fb_built=”1″ admin_label=”section” _builder_version=”3.12″][et_pb_row admin_label=”row” _builder_version=”3.12″ background_size=”initial” background_position=”top_left” background_repeat=”repeat”][et_pb_column type=”3_4″ _builder_version=”3.0.47″ parallax=”off” parallax_method=”on”][et_pb_post_title meta=”off” admin_label=”PuTTY Download” _builder_version=”3.12″ title_font=”Roboto Condensed|||on|||||” title_text_align=”center” title_font_size=”38px” title_letter_spacing=”1px” title_text_shadow_style=”preset2″ title_text_shadow_horizontal_length=”0em” title_text_shadow_vertical_length=”0.09em” text_orientation=”center” text_shadow_style=”preset5″][/et_pb_post_title][et_pb_text _builder_version=”3.12″ text_font=”Libre Franklin||||||||” text_letter_spacing=”1px” text_line_height=”1.5em” header_font=”||||||||”] The name “PuTTY” has no official meaning. PuTTY is a free and open-source terminal emulator, serial console, and network file transfer application. It supports several network protocols, including SCP, SSH, Telnet, rlogin, and raw socket connection. Also, It supports various components like Pageant, Plink, PuTTYgen, pterm, PuTTYtel, PSFTP, PSCP. During 1998 its development began, and by October 2000 has come under process. It is useful in network file transfer application, serial console, and open-source terminal eliminator. Mainly it has been written for Windows, but now it also supports other operating systems like Linux and Mac OS. In this, you able to grasp the in-depth knowledge of PuTTY for various platforms and able to learn its connectivity with image guidelines.
What is PuTTY?
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A British programmer Mr. Simon Tatham has written and maintained the PuTTY primarily. It is a software that supports several network protocols, SCP, SSH, Rlogin, Telnet, and raw socket connections. For Windows and Linux, this software used for the terminal emulator, network file transfer application, and serial console.
Uses of PuTTY
For UNIX and Linux system, this software is most prominently used to secure remote shell access; it is one of its many uses. For the MS-Windows platform, PuTTY is most likely to use SSH client. In the world of SSH, the most used implementation is of Open SSH.
How to Use PuTTY?
Three programs needed to install on your local computer, and these can be download from downloadPuTTY page. 3 Program to install PuTTY is as follows:
- For SSH client → PuTTY
- For RSA and DSA key generation → PuTTYgen
- For SSH authentication agent for PuTTY → Pageant
All these three programs are needed to install on your window computer.
How to Manage Session in PuTTY?
You need to specify the specific options in the preliminary panel to open a session. Start with…
- The Host Name Bar (or IP Address) in this user has to input the name or the IP Address of the server.
- Radio button Connection Type allows the user to connect to the network of their choice.
- Port bar filled automated once you select the connection type. The bar stays blank if you choose the Raw Type, and users have to enter the port manually.
- The Serial Line and Speed replace the Host Name and Port Bars once you select the Serial as the connection type. (The “Load, save or delete a stored session” helps you to set some connection without acknowledging all the details again and again.)
- After saving it, you can select the save session and click on Load. (In the respective box of the configuration panel, the save setting appear.)
- For changing save the session, the panel permits by first loading a session, edit everything you want to modify i.e., make changes, and finally click on the “Save” button.
- To delete the season, the users have this option.
The Close Window on Exit option helps the user to make a decision whether they want the PuTTY terminal has to be closed as the session ends or to restart the session on termination.
Best 8 PuTTY Alternative For Remote SSH Client
There are 8 PuTTY alternatives available for the Remote SSH client are as follows:Use here are…
- Bitvise
- SuperPutty
- KiTTY
- MobaXterm
- Solar-Putty
- mRemoteNG
- PuttyTray
- Xshell 6 Client
Bitvise
Bitwise is a Window application and run anything from Window XP, Window 10, and to server 2016. It has become a better graphical interface due to the SFTP and SSH client functionality. The features are as follows:
- Portable install
- Options of Customization
- Port Forwarding
- Graphical SFTP File Transfers
- Terminal Access – Remote Console
- Single Sign-on
It allows the terminal emulation integration via bvterm and xterm as well as supporting vt100 protocols. There is the availability of scripted command-line options.
SuperPuTTY
It is a graphical user interface used for Windows application and mainly maintained by the active developer as a GitHub project. It allows the user to change the layout as per their preference. It is well suited to fill the gap, which is much compulsory for window management. It offers various features:
- Tabs
- Configuration integration of PuTTY
- Shortcut driven navigation
- UI Customizable
KiTTY
It is designed for Windows and providing the same features as PuTTY. It can run exclusively in a Window environment. It is a great tool to be kept in the toolbox. The features are as follows:
- Portable
- Text editor
- Lightweight chat server
- It can run local scripts for Remote Systems/devices.
- Options for Session Filtering.
- It can connect with SSH, rLogin, Telnet, and others.
MobaXterm
It supports the various features like Remote session manager, SFTP, Remote Desktop Manager, telnet, XDMCP, and VNC. It has built-in X11 server integration, and it is the terminal application for Windows. Both free and paid versions are available in MobaXterm. The features are as follows:
- It supports the Master password.
- Unlimited Macros and Tunnels.
- Customize Logos
- Customize Startup message.
- It removes unwanted tools and screensavers games
Solar-PuTTY
It is one of the top pick alternatives for PuTTY, as it can execute from the install files. With the help of a tabbed interface, it can manage multiple sessions from one console. The saved session can find it quickly, and it is a portable app. With the help of IP Address, Tag, Name, and Username, you can effortlessly search this application. Features of Solar-PuTTY are as follows:
- Post-Connections are fully supported.
- Saved Credential helpful in Auto-Login.
- Change Fonts –Size and Fonts
- Assign Colors
- Auto Reconnect
- Assign Saved credentials to multiple IP Addresses and servers.
- Supports various protocols like SSH, telnet, SFTP/FTP and SCP.
mRemoteNG
It is one of the great alternatives for the PuTTY. It has forked from mRemote .mRemoteNG is an open-source, multi-protocol, multi-tabbed, and remote connection management software. It allows you to view all the remote connections in a tabbed interface. The mRemoteNG Protocols are listed below:
- RDP
- VNC
- ICA
- SSH
- Telnet
- HTTP/HTTPS
- rlogin
- Raw Sockets Connections
PuTTYtray
PuTTYtray gives some additional functionality to the original PuTTY client. It helps add the practicality to the applications and plays a significant role in minimizing the system tray. The features of PuTTYtray are as follows:
- Icons can be customized.
- Blinks tray icons if received a Bell signal.
- Portable
- URL hyperlinks
- Window transparency configurable.
Xshell 6 Client
Netsarang has created the Xshell 6 Client terminal emulator. It is a helpful tool for connecting to Telnet, rlogin, SSH1, SSH2, SFTP, and serial connections. It created a flexible tabbed environment. The computer can act as a terminal with the help of Xshell, and it plays a significant role when data contained within the mainframe need to be accessed. It splits the tabs horizontally or vertically and fully customized. It has multiple advantages like custom key mapping, dynamic port forwarding, and many more. It is an open-source package and doesn’t require to pay any fee for it. The features of Xshell are as follows:
- Launch X Applications by SSH Tunnel.
- Using the Local Shell Interface to Control Xshell.
- Session Manager.
- Highlight Sets.
- Python Scripting, JavaScript, and VB.
- Custom Key Mappings/ Keyboard.
- Tabbed Environment.
- Password Encryption (Saved Sessions).
What is PuTTYgen?
PuTTYgen is nothing but the PuTTY key generator tool by which the private and public SSH keys created for puTTY. PuTTYgen is also counting as its basic function. PuTTYgen uses its own format .ppk to generate the keys. PuTTYgen is a part of putty. PuTTYgen originally made for the Microsoft Windows operating system, but now it is used for a multi-operating system like Linux, MacOS. For Windows, PuTTYgen.exe is the graphical tool, whereas, for the Linux OS, it is the command-line version and accessible by SSH commands.
Usage of PuTTY Key Generator (PuTTYgen)
Generally, the Unix uses the command line type interface MS-Dos to get anything to be processed; users need to the right the command lines. These command lines can run over the network, and the network protocol like SSH, Telnet, Rlogin, etc. are helpful for these purposes. The network protocol SSH is a cryptographic network protocol, and it helps you to access an internet server while encrypting any of the information which has sent to it. The other protocol like Telnet, Rlogin, if you have a login account on a web server or you connect to a UNIX system. Protocols supported by the PuTTY:
- SCP (Secure Copy)
- SSH (Secure Shell)
- Telnet
- Rlogin
- Raw socket connection.
How to Use PuTTY Key Generator?
To generate the SSH keys for private and public is done by the help of PuTTYgen.The steps to generate the RSA key for a window are mention below. PuTTY can easily install with the PuTTY.msi package. There is no need for separate downloading.
To run the PuTTY for window follow the steps:Start with…
- Start menu → All Programs → PuTTy→ PuTTYgen
- Specify the size (strength) of the key.
- 2048 bits is more than enough for RSA
- 256,384 and 521 bit are supported by the ECDSA.
- 256 is the only valid size for the Ed25519.
- The PuTTY key generator dialog box will appear on the screen.
- In the dialog ‘Generate’ button will appear. Click on it to generate the key.
Private and public keys for PuTTY can be generated. Choose the key with its strength and press the ‘Generate’ button than PuTTY starts generating the key. A progress bar appears, and to generate the randomness move the mouse around over the blank area in PuTTYgen Window. PuTTYgen starts creating the key once the progress bar reaches the end.
- Fingerprint value can show in the ‘Key fingerprint’ box. There is no need to keep it secret as it is derived cryptographically from the public key value.
- PuTTYgen allows you to set a comment for your key if you are using more than one key for multipurpose. There is no need to remember the key fingerprint for it.
- In the key phrases, the unique key phrases are to add, and you are asked to confirm the passphrase field.
- To save private and public keys, click on the “Save Public Key” and “Save Private Key” buttons.
- It would help if you noted that for the public key pasting into Open SSH authorized _key field, the text starting with SSH-RSA that is located on the top of the window. Use ctrl+c to copy entire text of clipboard, and this requires the key, which has to post in the clipboard of the public key tool of the control panel or directly on the cloud server.
Types of PuTTY Key Supported on Putty Generator
Currently, 4 types of Putty Key is support on Putty Generator they are as follows:
- For SSH-1 protocol the RSA key can be used.
- For SSH-2 protocol the RSA key can be used.
- For SSH-2 protocol the DSA key can be used
- For SSH-2 protocol the ECDSA (elliptic curve DSA) can be used.
- For SSH-2 protocol an Ed25519 key can be used.
Note – SSH-1 protocol support only one type of key i.e., RSA, whereas SSH-2 supports more than one key i.e., RSA, DSA, ECDSA, and Ed25519.
Various Command Line Options of PuTTY in Linux
Linux operating system has the few necessary commands for PuTTY, which is as follows: PuTTYgen [-t keytype [-b bits] [-q] | key file] [-C new-comment] [-P] [-O output-type | -p | -l | -L] [-o output-file] Options: Cyberlink powerdirector 13 key generator.
- Keyfile – the name of the existing file and used to read at the time of changing the current key.
- –t keytype – RSA and dsa.rsa1 are its acceptable value, and it specifies the type of key to create.
- –b bits – command specify the total number of bit in a particular key. For the DSA key, the size is 1024, and for RSA, the size can be 2048 or 4096.
- –q – suppress the message which is about to progress at the time of key generation.
- –c new-comment – used for new or existing key and specify the comment to describe the key. It is not considered very reliable since any value can be applied for it.
- –P -Passphrase of the key can be updated. Update or add on the command line not updated by the passphrase. To alter a new passphrase tool is used to prompt it. Passphrase helps to encrypt the private key.
- –old-passphrase-file – command is used when the passphrase protects the key, and the old password remains in the file.
- –new-passphrase file – prompts the new passphrase of the key.
- –O output-type – by default, the private key is the output.
All the above command use for PuTTY in Linux OS. There are many other commands which are available to perform multiple tasks from the command prompt in Linux at flank speed.
PuTTY FAQs
Q. What does PuTTY stand for?Ans: The puTTY doesn’t have meaning in itself. Its use to refer to the UNIX terminal for “TTY”. It acts as a client for SSH, Telnet, rlogin, and raw TCP computing protocols. Q. What is the current version of PuTTY? Ans: Simon Tatham has written and maintained it, and 0.73 is the latest version. For Windows and UNIX platforms, it is a free implementation of SSH and telnet, along with the xterm terminal emulator. Q. Can PuTTY be used with FTP? Ans: Yes, but you need to follow the steps to connect to FTP. Perform a Raw connection to Port 21 to configure your profile, once it gets connected to send the command USER and PASS. FTP server name and password are required. It suggests using an FTP Client instead. Q.Does PuTTY work on Linux?Ans: Yes, PuTTY Linux is a graphical terminal program and used to connect the raw socket, typically for debugging. The protocols like SSH, Telnet, and rlogin terminal are supported to connect the serial ports. Q. What is SSH PuTTY? Ans: Network protocols like SCP, SSH, rlogin, and raw socket connection are supported by it. SSH PuTTY is an open-source terminal emulator, network file transfer application, and serial console. Q. Is puTTY vt100 compatible? Ans: Yes, but by default, it is turned off and allows the user to select a particular printer you have installed the driver for your computer. The remote server takes over the control on the terminal support printing. Q. Is PuTTY Linux or Unix? Ans: PuTTY can be ported to UNIX as pterm.scp is a unique program that use to copy a few lines via SSH connections. As we know, PuTTY is a terminal emulator (able to run shells, which in turn run commands), For SSH application is a shell (not a terminal emulator). Q. What is the difference between PuTTY and SSH? Ans: Simple protocol SCP is used for file transfer via SSH connections and uses the SFTP protocol to transfer files, list of directories. PuTTY is a GUI terminal emulator for Windows, and OpenSSH is the port available with built-in SSH clients for remote terminal sessions. Q. How do I port forward with SSH?Ans:Follow the steps…
- Open the configuration menu and scroll down the Tunnels.
- Enter the port under Source port and destination under the destination.
- The type of forwarding can determine by the two pairs of the three radio buttons.
Note: “Dynamic “and “Auto” work in maximum cases. Different selections have to made in a specific case or when forwarding to multiple ports.
Q. What is the difference between PuTTY and PuTTYgen?Ans: PuTTYgen is used to generate the SSH key pairs and used for encryption, authentications, etc., whereas PuTTY uses the SSH keys. [/et_pb_text][/et_pb_column][et_pb_column type=”1_4″ _builder_version=”3.0.47″ parallax=”off” parallax_method=”on”][et_pb_sidebar area=”sidebar-1″ _builder_version=”3.12″ header_font=”Roboto Condensed|700||on|||||” header_text_align=”right” header_font_size=”24px” header_letter_spacing=”1px” header_line_height=”1.3em” header_text_shadow_style=”preset4″ header_text_shadow_vertical_length=”0.11em” header_text_shadow_color=”#d1d1d1″ body_font=”Verdana||||||||” body_text_align=”center” border_width_all=”2px” border_color_all=”#8300e9″ box_shadow_style=”preset3″ text_orientation=”left” animation_style=”zoom”][/et_pb_sidebar][/et_pb_column][/et_pb_row][/et_pb_section]
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:
OS | Windows 7 |
Modify pull generator to key start. (I) What is PuTTYgen?
PuTTY Key Generator, a.k.a. PuTTYgen (an RSA and DSA key generation utility), is a free utility which generates keys for use with PuTTY SSH client, PuTTY authentication Pageant, and other programs in the PuTTY line. It can also convert OpenSSH private key files into PuTTY’s format, that allows you to connect to your server from a Windows machine, with the added security that SSH keys provide.
(II) Installation Steps:
a) Peagent is part of Putty Installer package which can be downloaded from link.
b) OR it can also be downloaded separately as well from link.
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(III) Starting PuTTYgen:
a) Go to Windows-Start -> All Programs -> PuTTY -> PuTTYgen.
b) Following screen would appear once Puttygen start.
(1) Generate a new public/private key pair.
(2) Load an existing private key.
(3) Type of key to generate (SSH-2 RSA/SSH-2 DSA), select SSH-2 RSA as it more secure and difficult to crack.
(4) In the Number of bits in a generated key field, specify either 2048 or 4096 (increasing the bits makes it harder to crack the key by brute-force methods).
(2) Load an existing private key.
(3) Type of key to generate (SSH-2 RSA/SSH-2 DSA), select SSH-2 RSA as it more secure and difficult to crack.
(4) In the Number of bits in a generated key field, specify either 2048 or 4096 (increasing the bits makes it harder to crack the key by brute-force methods).
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c) Once you click on generate button following screen appears. Generate some randomness by moving the mouse over the blank area, move the mouse over the area highlighted in the screenshot below.
d) Once the key has been generated you should see a screenshot similar to the one below:
(1) The OpenSSH server require your public key to be given to it in a one-line format before it will accept authentication with your private key. Copy, Paste and Save it to a new file for later use (This key is in Unix format).
(2) Comment field so you can better identify the key in the future.
(3) Passphrase for your key, which will be used to encrypt the key on disk. Otherwise, other people with access to your private key can use it freely.
(4) Confirm Passphrase.
(5) Save your public key.
(6) Save your private key.
(2) Comment field so you can better identify the key in the future.
(3) Passphrase for your key, which will be used to encrypt the key on disk. Otherwise, other people with access to your private key can use it freely.
(4) Confirm Passphrase.
(5) Save your public key.
(6) Save your private key.
Note: (*) You should save the key in location which you can only access it.
(*) Private Key generated by Puttygen has .ppk format.
(*) Private Key generated by Puttygen has .ppk format.
e) We can also copy the same private key in OpenSSH format using “Conversions -> Export OpenSSH key” option (Optional Step):
(IV) Adding Public Key on the Server
a) Login to destination server.
b) Create SSH folder if it does not exists.
b) Create SSH folder if it does not exists.
c) Copy and paste the Public Key generate above in Point (1).
Related Posts:
PuTTY – SSH Client for Windows
Pageant – SSH agent for Windows
Pageant – SSH agent for Windows