/etc/apt/trusted.gpg.d/debian-archive-jessie-automatic.gpg
/etc/apt/trusted.gpg.d/debian-archive-squeeze-automatic.gpg
/etc/apt/trusted.gpg.d/debian-archive-jessie-stable.gpg
/etc/apt/trusted.gpg.d/debian-archive-wheezy-stable.gpg
/etc/apt/trusted.gpg.d/debian-archive-jessie-security-automatic.gpg
/etc/apt/trusted.gpg.d/debian-archive-wheezy-automatic.gpg
/etc/apt/trusted.gpg.d/debian-archive-squeeze-stable.gpg