A large manufacturing firm has installed hundreds of low-power sensor modules on its assembly lines. An engineer wants to implement an encryption scheme that supports confidential data transfers without overwhelming these modules. Which approach addresses the constraints?
A cipher library that includes fewer computational steps and lower memory usage
A framework that transfers most cryptographic operations to a remote node
A hashing procedure that relies on simpler code without encryption features
An option using large prime-based key negotiation for frequent transmissions
A cipher library specialized for small processors provides a practical balance of usable encryption and reduced computational overhead. A method that relies on large prime-based exchanges can be slow for microcontrollers. A hashing routine does not offer full confidentiality. Offloading most cryptographic processes to a remote server creates reliability concerns and may not protect data stored locally.
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What is a cipher library, and why is it suitable for low-power devices?
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Why are large prime-based key negotiation methods slow for microcontrollers?
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