PuTTYgen 🔗

PuTTYgen is part of PuTTY. You can download PuTTY from https://www.putty.org/ and install it on your machine.

Creating a new SSH key pair with PuTTYgen 🔗

  • PuTTYgen is part of PuTTY. After you started the application you have to select the type of key and its length.
  • We recommend **ECDSA ** and nistp384
  • Click on Generate to start generating the new key pair

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  • To increase randomness while generating the key, you have to move your mouse cursor just below the green bar

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  • After the key is generated you should add a
    • Comment - to be able to identify the key later
    • Key passphrase to secure your key
  • Then you have to save your  public and private key. This is done separately.

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  • Save the public key and give it a meaningful name. The file-extension can be for example .txt.

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  • Save the private key and give it a meaningful name. The file extension of the private key is always  .ppk. This is the file-format for PuTTY SSH keys.
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After you saved everything, upload the  public key in the IT Portal: https://www.uni-muenster.de/IT-Portal  under Passwords and PINs - Public SSH Keys

Never share your private key with anyone else. It should not be stored online and only reside on your local machine.

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