Method constructor

apps/api/src/lib/key-cipher.ts:13–22

(storeDir: string)

  private key: Buffer;

  constructor(storeDir: string) {
    mkdirSync(storeDir, { recursive: true });
    const p = join(storeDir, "master.key");
    if (existsSync(p)) {
      this.key = Buffer.from(readFileSync(p, "utf8").trim(), "base64");
    } else {
      this.key = randomBytes(32);
      writeFileSync(p, this.key.toString("base64"), { mode: 0o600 });
    }
  }

  encrypt(plaintext: string): string {
    const iv = randomBytes(12);