code: def keygen(get_keyring=get_keyring):
      
      warn_signatures()
      WheelKeys, keyring = get_keyring()
  
      ed25519ll = signatures.get_ed25519ll()
  
      wk = WheelKeys().load()
  
      keypair = ed25519ll.crypto_sign_keypair()
      vk = native(urlsafe_b64encode(keypair.vk))
      sk = native(urlsafe_b64encode(keypair.sk))
      kr = keyring.get_keyring()
      kr.set_password("wheel", vk, sk)
      print("Created Ed25519 keypair with vk={}".format(vk))
      print("in {!r}".format(kr))
  
      sk2 = kr.get_password('wheel', vk)
      if sk2 != sk:
          raise WheelError("Keyring is broken. Could not retrieve secret key.")
  
      print("Trusting {} to sign and verify all packages.".format(vk))
      wk.add_signer('+', vk)
      wk.trust('+', vk)
      wk.save()
docs: Generate a public/private key pair.