A technology company is designing a new line of battery-powered IoT environmental sensors. These sensors have minimal processing power and limited memory. A security architect must select a cryptographic method to secure the data transmitted from these sensors to a central server. Which of the following cryptographic techniques would be MOST appropriate for this scenario?
Lightweight cryptography is specifically designed for use in resource-constrained environments like IoT devices. These algorithms are optimized to use minimal processing power, memory, and energy, making them the ideal choice for securing data on devices with limited capabilities. Homomorphic encryption is computationally intensive and not suitable for resource-constrained devices. Post-quantum cryptography focuses on resisting attacks from quantum computers and can be resource-heavy, making it less ideal where the primary constraint is the device's limited power and memory. Envelope encryption is a key management technique for protecting data encryption keys (DEKs) with a key encryption key (KEK), rather than a specific type of encryption algorithm for low-power devices.
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