Method encrypt

apps/api/src/lib/key-cipher.ts:24–33

(plaintext: string)

  }

  encrypt(plaintext: string): string {
    const iv = randomBytes(12);
    const cipher = createCipheriv("aes-256-gcm", this.key, iv);
    const ct = Buffer.concat([cipher.update(plaintext, "utf8"), cipher.final()]);
    return JSON.stringify({
      iv: iv.toString("base64"),
      tag: cipher.getAuthTag().toString("base64"),
      ct: ct.toString("base64"),
    });
  }

  decrypt(blob: string): string {
    const { iv, tag, ct } = JSON.parse(blob) as { iv: string; tag: string; ct: string };