deb http://http.kali.org/kali kali main contrib non-free
deb-src http://http.kali.org/kali kali main contrib non-free
deb http://security.kali.org/kali-security kali/updates main contrib non-free
deb-src http://security.kali.org/kali-security kali/updates main contrib non-free
Then import the PGP key (the key ID may differ):
gpg --keyserver pgpkeys.mit.edu --recv-key ED444FF07D8D0BF6
gpg -a --export ED444FF07D8D0BF6| sudo apt-key add -
deb-src http://http.kali.org/kali kali main contrib non-free
deb http://security.kali.org/kali-security kali/updates main contrib non-free
deb-src http://security.kali.org/kali-security kali/updates main contrib non-free
Then import the PGP key (the key ID may differ):
gpg --keyserver pgpkeys.mit.edu --recv-key ED444FF07D8D0BF6
gpg -a --export ED444FF07D8D0BF6| sudo apt-key add -