How to create a public / private key pair using puttygen

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Windows

  1. Download PuTTYgen from http://www.chiark.greenend.org.uk/~sgtatham/putty/download.html.
  2. Start puttygen.
  3. Select the Generate button.
  4. After the key is created, click on the Save private key button to download the file that contains private key. 
  5. Click on the Save public key button to download the file that contains public key. 

Linux

Install puttygen.

~]# apt-get install putty-tools

 

Create the private key pair.

~]# puttygen -t rsa -b 2048 -o example.ppk

 

Create the public certificate.

~]# puttygen -L example.ppk > example.pub

 



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