Internet of Things (IoT) is a vast network connecting billions of devices through the Internet to share data. Many of these devices have limited resources, so they store their data in the cloud, allowing people to access it from anywhere. However, this cloud storage raises security concerns because data owners have little control over how their data is managed. To address these security concerns and accommodate the limited resources of IoT devices, we use lightweight cryptographic methods. One such method is Elliptic Curve Cryptography (ECC), a type of public-key cryptography. ECC is becoming popular in IoT security, smart card security, and digital signatures because it offers strong security with shorter keys compared to traditional methods like RSA.