<ul><li>SSH key pairs are cryptographic credentials consisting of two parts: A private key and a public key.</li><li>SSH key pairs provide secure authentication without transmitting sensitive information over the network.</li><li>RSA's brilliance lies in the elegant use of prime numbers and modular arithmetic.</li><li>Ed25519 operates on a specialized Edwards curve.</li><li>ECDSA uses the NIST P-curves, which are defined over prime fields.</li><li>The security of these algorithms depends on different hard mathematical problems.</li><li>The advent of quantum computers poses different threats to these algorithms.</li><li>The choice between these algorithms goes beyond mathematics—it's about balancing security, compatibility, and performance.</li><li>Ed25519 represents the future: mathematically elegant, computationally efficient, and designed with modern threats in mind.</li><li>For systems requiring broad compatibility, RSA with 4096 bits remains a solid choice.</li></ul>

Understanding SSH Key Pairs: A Developer's Guide

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