#!/bin/bash
set -e
KEY_DIR="./keys"
HOST_KEY_DIR="$KEY_DIR/host_keys"
mkdir -p "$HOST_KEY_DIR"
echo "Generating RSA host key..."
ssh-keygen \
-t rsa \
-b 4096 \
-f "$HOST_KEY_DIR/ssh_host_rsa_key" \
-N ""
echo "Generating RSA client key..."
ssh-keygen \
-t rsa \
-b 4096 \
-f "$KEY_DIR/client_rsa" \
-N ""
echo "Creating authorized_keys..."
cp "$KEY_DIR/client_rsa.pub" "$KEY_DIR/authorized_keys"
chmod 700 "$KEY_DIR"
chmod 600 "$KEY_DIR/client_rsa"
chmod 644 "$KEY_DIR/client_rsa.pub"
chmod 600 "$KEY_DIR/authorized_keys"
chmod 600 "$HOST_KEY_DIR/ssh_host_rsa_key"
echo
echo "RSA keys generated successfully."
echo
echo "Client private key:"
echo "$KEY_DIR/client_rsa"