keytype.ts

const detectKeyType = (key: string): KeyType => {
  if (!key.trim()) return null;

  if (
    key.includes("-----BEGIN PRIVATE KEY-----") ||
    key.includes("-----BEGIN RSA PRIVATE KEY-----") ||
    key.includes("-----BEGIN EC PRIVATE KEY-----")
  ) {
    return "PKCS#8";
  } else if (key.includes("-----BEGIN OPENSSH PRIVATE KEY-----")) {
    return "SSH";
  } else {
    return "Unknown";
  }
};