M03 - Part 2- Case Project 6-3- Lightweight Cryptography (3)

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Ivy Tech Community College, Indianapolis *

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132

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Computer Science

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Dec 6, 2023

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docx

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M03 - Part 2: Case Project 6-3: Lightweight Cryptography Cryptography is the process of converting plain text into cipher text and back again. Lightweight cryptography focuses on providing secure solutions for resource-constrained environments. It is tailored for implementation in devices like RFID tags, smart cards, and sensors. The goals of Lightweight Cryptography: - Providing cryptographic solutions specifically designed for low-power devices. - Balancing the trade-off between resource constraints (such as limited processing power, memory, and energy) and security requirements. - Ensuring efficient and secure communication in resource-constrained environments. Working Principles of Lightweight Cryptography: - Developing algorithms and protocols that are computationally efficient and require minimal resources. - Optimizing cryptographic primitives (such as encryption, decryption, and authentication) for low-power devices. - Implementing lightweight cryptographic algorithms that are resistant to various attacks. Limitations of Lightweight Cryptography: - Reduced security levels compared to traditional cryptographic algorithms due to the need for resource optimization. - Limited key sizes and block sizes, which may impact the strength of cryptographic primitives. - Vulnerability to side-channel attacks, where an attacker exploits information leaked during the cryptographic operations. Advantages of Lightweight Cryptography: - Improved performance and efficiency in low-power devices, enabling secure communication in resource-constrained environments. - Lower energy consumption, which is crucial for battery-powered devices. - Compatibility with existing hardware and software implementations, facilitating the adoption of lightweight cryptographic solutions. Other goal of lightweight cryptography is to enable a wide range of modern applications, such as smart meters and wireless patient monitoring systems. It can be implemented on various hardware and software platforms, with wired or wireless communication. Lightweight cryptography utilizes features like block ciphers, stream ciphers, and hash functions. It contributes to the security of smart object networks by being efficient and having a smaller footprint. It addresses challenges on the Internet of Things, such as security, privacy, power, and scalability. The efficiency of end-to-end communication and applicability to lower resource devices are key reasons for using lightweight cryptography. Standardization efforts are underway to make lightweight cryptography accessible to the public. It has already been a topic of discussion and is in the process of being standardized.

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