diff --git a/gateway/enigma_launcher.sh b/gateway/enigma_launcher.sh
new file mode 100644
index 0000000..65b549c
--- /dev/null
+++ b/gateway/enigma_launcher.sh
@@ -0,0 +1,43 @@
+#!/bin/bash
+# ENiGMA½ Locked Launcher
+# This script authenticates dial-up users and starts ENiGMA½ BBS.
+
+CONFIG_DIR="/etc/enigma-bbs"
+BBS_BINARY="/usr/local/bin/enigma-bbs"
+USER_DB="${CONFIG_DIR}/users.db"
+LOG_FILE="/var/log/enigma_launcher.log"
+
+# Function to log messages
+log() {
+    echo "$(date '+%Y-%m-%d %H:%M:%S') - $1" >> "$LOG_FILE"
+}
+
+# Get username from environment (set by PPP)
+USERNAME="${PEER_USERNAME:-${USER}}"
+
+# Check if user is authorized
+if [ -f "$USER_DB" ]; then
+    if grep -q "^${USERNAME}:" "$USER_DB"; then
+        log "User ${USERNAME} authenticated successfully."
+    else
+        log "Authentication failed for user ${USERNAME}."
+        echo "Access denied."
+        exit 1
+    fi
+else
+    log "User database not found at ${USER_DB}. Starting BBS without authentication (fallback)."
+fi
+
+# Set environment variables
+ENIGMA_BBS_CONFIG="${CONFIG_DIR}/config.yaml"
+export ENIGMA_BBS_CONFIG
+
+# Start BBS
+if [ -x "$BBS_BINARY" ]; then
+    log "Starting ENiGMA½ BBS for user ${USERNAME}..."
+    exec "$BBS_BINARY" --config "$CONFIG_DIR"
+else
+    log "BBS binary not found at ${BBS_BINARY}."
+    echo "Internal server error."
+    exit 1
+fi
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