Digital road tax using digital signature algorithm

Saw, Junkai (2023) Digital road tax using digital signature algorithm. Project Report. Universiti Teknikal Malaysia Melaka, Melaka, Malaysia. (Submitted)

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Abstract

The implementation of a digital road tax system aims to address the issue of cloned vehicles and enhance the security and authenticity of road tax documentation in Malaysia. Cloned vehicles, which are illegally registered cars without the knowledge of their original owners, pose a significant challenge to law enforcement agencies. This project proposes the adoption of a digital road tax solution utilizing cryptography techniques, specifically digital signatures, to create a secure and tamper- proof system. The digital road tax system will generate a unique 2D barcode for each road tax, containing crucial information such as car model, car number, expiry date, and amount. This barcode will be encrypted using the private key of the authorized person. The authenticity of the barcode can only be verified by scanning it using a system equipped with the public key of the authorized person, thereby ensuring its validity. Digital signatures, based on mathematical techniques, will be employed to validate the authenticity and integrity of the road tax documentation. By retrieving the hash of the message and encrypting it with the sender's private key, the digital signature guarantees the source and integrity of the road tax information. This approach significantly reduces the risk of fake road tax issuance and provides a more secure and reliable system for both vehicle owners and authorities. The adoption of a digital road tax system not only strengthens the enforcement against cloned vehicles but also offers a more efficient and convenient process for road tax management. Vehicle owners can easily present their digital road tax documents using mobile devices or printed barcodes, while enforcement agencies can quickly verify the authenticity and validity of the road tax information through the decryption process.

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