Lightweight Cryptography (CY-802 (C)) - Important Questions

Explain the concept of a mode of operation in cryptography. Provide an example of a specific mode used with lightweight block ciphers.

Describe design strategies for lightweight block ciphers. How do these differ from the design of traditional block ciphers like AES?

Describe the unique features of one of the less common lightweight ciphers PRINCE, MIDORI, RECTANGLE or GRANULE.

Explain how the lightweight operations used in SIMON and SPECK affect performance compared to traditional block ciphers.

Compare centralized vs distributed key management for lightweight cryptography and their security implications.

Lightweight MACs often utilize lightweight block ciphers or hash functions as building blocks. How do the security properties of the underlying primitive impact the security of the MAC?

How can lightweight key management be integrated into protocols like IPSec or TLS for securing communication in resource-constrained environments?

Explain how asymmetric key management can be used in a group key management protocol for IoT devices.

Describe specific techniques used to make asymmetric key management more lightweight for resource-constrained IoT devices.

Compare and contrast design principles of traditional hash functions vs lightweight hash functions and their impact on performance and security.

Identify block ciphers among LED, SIMON and SPECK, or TWINE that use lightweight versions of existing operations.

Explain how lightweight block cipher design choices targeting resource constraints (area, power) impact resistance to cryptanalytic attacks.

Identify application domains that rely on lightweight cryptography.

Analyze the trade-offs of reducing key size in a cryptographic algorithm and its impact on security and efficiency.

Explain why traditional cryptographic algorithms may be unsuitable for resource-constrained devices.