An organization is evaluating cryptographic algorithms for protecting sensitive data transmitted between IoT sensors and a cloud backend. The sensors have severely constrained CPU and memory resources. Which consideration is MOST critical when selecting the cryptographic algorithm?

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B. Selecting lightweight cryptographic algorithms and cipher suites optimized for constrained environments, such as those standardized in NIST's lightweight cryptography project. Constrained IoT devices require lightweight cryptographic algorithms that provide strong security within tight CPU cycles and memory limits. NIST has standardized lightweight cryptographic algorithms (e.g., ASCON) for constrained environments. The CAS-005 V5 objectives cover advanced cryptography and hardware acceleration/optimization under Security Engineering.

An organization is evaluating cryptographic algorithms for protecting sensitive data transmitted between IoT sensors and a cloud backend. The sensors have severely constrained CPU and memory resources. Which consideration is MOST critical when selecting the cryptographic algorithm?

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