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rpiGenImage/files/firstboot/30-generate-ssh-keys.sh

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2025-10-26 18:06:53 +01:00
logger -t "rc.firstboot" "Generating SSH host keys"
if [ -d "/etc/ssh/" ] ; then
# Remove ssh host keys
rm -f /etc/ssh/ssh_host_*
systemctl stop sshd
# Regenerate ssh host keys
ssh-keygen -q -t rsa -N "" -f /etc/ssh/ssh_host_rsa_key
ssh-keygen -q -t dsa -N "" -f /etc/ssh/ssh_host_dsa_key
ssh-keygen -q -t ecdsa -N "" -f /etc/ssh/ssh_host_ecdsa_key
ssh-keygen -q -t ed25519 -N "" -f /etc/ssh/ssh_host_ed25519_key
systemctl start sshd
fi
if [ -d "/etc/dropbear/" ] ; then
# Remove ssh host keys
rm -f /etc/dropbear/dropbear_*
systemctl stop dropbear
# Regenerate ssh host keys
dropbearkey -t rsa -f /etc/dropbear/dropbear_rsa_host_key
dropbearkey -t dss -f /etc/dropbear/dropbear_dss_host_key
dropbearkey -t ecdsa -f /etc/dropbear/dropbear_ecdsa_host_key
systemctl start dropbear
fi