Key - ppk key format


private key PuTTY storage format.

PuTTY stores keys in its own format in .ppk files.




  • Start menu → All Programs → PuTTY→ PuTTYgen.
  • Click Generate, and start moving the mouse within the Window. Putty uses mouse movements to collect randomness. As you move it, the green progress bar should advance.
  • Specify a passphrase for the key if keys are NOT needed for automation (e.g., with WinSCP)
  • Save private key.
  • Save the public key (It can be later regenerated by loading the private key by clicking Load).

then see : Key usage

Documentation / Reference

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