Method decrypt

apps/api/src/lib/key-cipher.ts:35–40

(blob: string)

  }

  decrypt(blob: string): string {
    const { iv, tag, ct } = JSON.parse(blob) as { iv: string; tag: string; ct: string };
    const d = createDecipheriv("aes-256-gcm", this.key, Buffer.from(iv, "base64"));
    d.setAuthTag(Buffer.from(tag, "base64"));
    return Buffer.concat([d.update(Buffer.from(ct, "base64")), d.final()]).toString("utf8");
  }
}