How do you convert an SSH private key to a .ppk on the Windows command line?



SSH (Secure Shell) private keys are used to authenticate remote users or services to gain access to a server or system. They are also used to securely transfer files between computers. A PPK (Putty Private Key) file is a version of the SSH private key which is compatible with Putty, a Windows SSH client. In this article, we will discuss how to convert an SSH private key to a PPK on the Windows command line.

The first step is to download and install PuttyGen, a utility for generating and manipulating SSH keys. This can be downloaded from the Putty website. Once the software is installed, launch the PuttyGen utility.

In the PuttyGen window, click on the “Load” button and select “All Files (*.*)” from the file type drop-down menu. Locate and select the SSH private key file you wish to convert and click “Open”.

A warning message will be displayed asking if you are sure you want to load the private key. Click “Yes” to continue. The private key details will be displayed in the PuttyGen window.

Now click on the “Conversions” menu and select the “Export OpenSSH key” option. This will convert the SSH private key to an OpenSSH format.

The OpenSSH key will be saved as a text file. Open this file in a text editor and copy the content.

Launch the PuttyGen utility once again and click on the “Load” button. Now select “SSH2-RSA” from the file type drop-down menu and paste the content from the text file into the “Key” field.

Click on the “Save private key” button and save the file with a .ppk extension. This will convert the SSH private key to a PPK file.

You can now use the PPK file with Putty to securely connect to a remote server or system.

In this article, we discussed how to convert an SSH private key to a PPK on the Windows command line. We used the PuttyGen utility to convert the private key to an OpenSSH format, which was then saved as a text file. We then used the PuttyGen utility again to convert the OpenSSH file to a PPK file. The PPK file can then be used with Putty to securely connect to a remote server or system.

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