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Which of the following algorithms should you use for a low-power device that must employ digital signatures?
AES
DES
ElGamal
ECC
ECC stands for Elliptic Curve Cryptography, a Public Key Cryptographic Alg. It's an approach to public-key cryptography based on the algebraic structure of elliptic curves over finite fields. ECC has a very short key. However, it increases the size of the encrypted message. It's known for needing less resources than RSA or other Public Key Algs. So I guess that's why it's the answer?
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