What Will I Learn?
What is SSH?
What are the public/private keys?
Generating Public/Private SSH Key using PuTTY
Requirements
A Opensource Software called PuTTY link
Difficulty
- Basic
Tutorial Contents
What is SSH?
The SSH protocol (Secure Shell) is a method for secure remote login from one computer to another. with strong encryption
What are the public/private keys?
Public Key: A public key is a large numerical value that is used to encrypt data and stored in the host which we want to access
Private Key: A private key is another large numerical value that is mathematically linked to the public key which is like a lock to unlock the host which we want to connect
Generating Public/Private SSH Key using PuTTY
1.Downloading and Installing the PuTTY
Download the PuTTY software from the link given in the "Requirements" section
Select the respective bit which is 32bit/64bit
and install the downloaded software just like a normal software
2.Open PuTTYgen
Just search for the PuTTYgen program and open the program
3.Selecting the parameters
Select the Type of key to generate as RSA
Basically we use RSA because it is used both for encryption and digital signatures and supports 2048 bit
4.Generating
After selecting the parameters click the Generate button
and move your mouse cursor randomly in the empty area until the progress bar fills up to generate your key
5.Saving
After completion of progress bar you can see the following screen just like below
Marked red area is the public key
Now, save your generated public/private key in your local pc by using save public key & save private key
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