feat(encryption): refactor encryption provider scripts, update KMS integration, and enhance key management

tools/read_system_id/main.go

@@ -0,0 +1,79 @@
+package main
+
+import (
+	"bufio"
+	"crypto/md5"
+	"encoding/hex"
+	"fmt"
+	"io"
+	"os"
+	"os/exec"
+	"regexp"
+	"strings"
+)
+
+func getModelName() string {
+	file, err := os.Open("/proc/cpuinfo")
+	if err != nil {
+		return ""
+	}
+	defer file.Close()
+	scanner := bufio.NewScanner(file)
+	re := regexp.MustCompile(`^model name\s*:\s*(.*)$`)
+	for scanner.Scan() {
+		line := scanner.Text()
+		if matches := re.FindStringSubmatch(line); matches != nil {
+			return matches[1]
+		}
+	}
+	return ""
+}
+
+func getEth0Mac() string {
+	out, err := exec.Command("ip", "link").Output()
+	if err != nil {
+		return ""
+	}
+	re := regexp.MustCompile(`^(\d+):\s+([a-zA-Z0-9]+):.*<.*>\s+link/ether\s+([0-9a-f:]{17})`)
+	matches := re.FindAllStringSubmatch(string(out), -1)
+	fmt.Println("Matches:", matches)
+	if len(matches) == 0 {
+		return ""
+	}
+	first_device := matches[0][2]
+	fmt.Println("First device:", first_device)
+	// Get the MAC address of the first device
+	out, err = exec.Command("ip", "link", "show", first_device).Output()
+	if err != nil {
+		return ""
+	}
+	re = regexp.MustCompile(`ether\s+([0-9a-f:]{17})`)
+	match := re.FindStringSubmatch(string(out))
+	if match != nil {
+		return match[1]
+	}
+	return ""
+}
+
+func getSystemUUID() string {
+	out, err := exec.Command("sudo", "dmidecode", "-s", "system-uuid").Output()
+	if err != nil {
+		return ""
+	}
+	return strings.TrimSpace(string(out))
+}
+
+func md5sum(s string) string {
+	h := md5.New()
+	io.WriteString(h, s)
+	return hex.EncodeToString(h.Sum(nil))
+}
+
+func main() {
+	uuid := getModelName()
+	uuid += getEth0Mac()
+	uuid += getSystemUUID()
+	fmt.Println(uuid)
+	hash := md5sum(uuid)
+	fmt.Println(hash)
+}