How To create a ed25519 security keypair with Command Prompt on Windows 10

## Article Information

Publicator:: [[Webstijlen]] Writer:: [[Peter-Paul Rijsdijk]] Author:: [[Peter-Paul Rijsdijk]] Information:: Article
Article:: [[How-To]]

## Alternative Articles

Alternative Applications:: [[Windows PowerShell]] Alternative OS:: [[Mac Operating System|MAC OS]]

## Pre-Requisites

### Tools used

Software used:: [[Windows 10 Operating System|Windows 10]] Application used:: [[Windows Command Prompt|Command Prompt]]

### Knowledge

Information: [[Security Key Pair]] Goal: [[Why Create a keypair]]

## Steps

### Step 1

1. Startup / Login [[Windows 10 Operating System|Windows 10]] 2. Open [[Windows Command Prompt]]

### Step 2

![[2022-10-13_18-44-36.jpg]] Create [[Security Key Pair]] with [[Command ssh-keygen]] Keyboard Type::

“` Shell
ssh-keygen -t ed25519
“`

Prompt

“` Shell Prompt
Generating public/private ed25519 key pair.
Enter file in which to save the key
“`

### Step 3

Keyboard Type:

Filename
If press ‘Enter’ then default is:
ssh ed25519 private filename: id_ed25519
ssh ed25519 public filename: id_ed25519.pub

Save Location
Saved in the User directory in the .ssh folder

## Step 4

Enter passphrase (empty for no passphrase):
Enter same passphrase again:

If you wish to ALSO use a password.
[[Why would you also use a password with a security keypair]]