install_keys:
    description: Provide the respective keys of the install sources.
    type: string
    value: |-
      -----BEGIN PGP PUBLIC KEY BLOCK-----
      Version: GnuPG v1.4.11 (GNU/Linux)

      mQENBFe1kS0BCADDV5jNmajSHk/Me7ujR0lLi5uy57HyjyZJgL84quiy5CJX6tZE
      frEYTUBLjCDwDsb+sI2mbROIIHfTYNZUSPScLMYkPJTZAvU9XhB6OMrK49IqGlFT
      nKuclVymMbEMaiALJmPk8qMDyX4wUwcPA51heLAEe36Nyq+mnhTNET/5hzZegVGy
      7LGb4wAH5fFRDG0Os/HyHBKPw3ZPLX2cp+mBQ06JbY5jVcv+oQZYzYL+6vr5g2/l
      FnU050Fzs/gS6Or2R60/YqswrQQQVU72zx/zadv5ZleBh1wh++v9/QuNVzrBD65d
      dSZI3RuFRLH8rqCnI3Rd+kfX1NCZEtZyT0pBABEBAAG0NVBMVU1ncmlkIExDTSBT
      aWduaW5nIEtleSAoQVVUT0tFWSkgPGVuZ0BwbHVtZ3JpZC5jb20+iQE+BBMBAgAo
      BQJXtZEtAhsDBQkSzAMABgsJCAcDAgYVCAIJCgsEFgIDAQIeAQIXgAAKCRDWjYVX
      sM4JMsoRCACul+JMxEcASovb8RJ0eUOlSjxpw9f8cxFL2fBm/Y0YWjxOjIqxoQvc
      jdIixqzNdR2CWK3xA10ikEel+67sNYuuDeoEUa1kQZVJllsCicbSqHsVoChXeyEC
      cst3FJU6SN9nh1OqX3mA8G2dISFPNssfriJG20Hsp7o+12aJ2pefieVSsHhoozXq
      +dvVesUFUTw1szkVN8KDCIGFZAljiFUNIlJk1RK8jicAN/7W1Ca/0sIDpsHoB4E3
      za83DmhVSAE5MG5TblAKMdBin1K4/wCARaDdf8DHu0hFRisYlez52/sLkkz/wCMR
      bmRkVdZjJVmxywrHMbxz0/qeD72CGT+S
      =+1XU
      -----END PGP PUBLIC KEY BLOCK-----