As concerns regarding quantum computing and post-quantum cryptography are overtaking the forefront of cryptographic discussions, especially in areas associated with national defense, the National Security Agency (NSA) has published a document comprising of the most frequently asked questions about Quantum Computing and Post-Quantum Cryptography, in which the agency studied the probable ramifications for national security in the event of the introduction of a "brave new world" far beyond the traditional computing domain. This 8-page report provides a summary of quantum computing, its connection with cryptography, the Commercial National Security Algorithm Suite, Commercial Solutions for Classified (CSfC), and the National Information Assurance Partnership (NIAP), as well as forthcoming techniques and cryptography. With the advancements the competition for quantum computing also heats up, with a slew of players vying for quantum dominance via diverse, eccentric scientific inquiry avenues, the NSA document examines the possible security risks raised by the establishment of a “Cryptographically Relevant Quantum Computer” (CRQC). "NSA does not know when or even if a quantum computer of sufficient size and power to exploit public key cryptography (a CRQC) will exist," it stated. A CRQC is the emergence of a quantum-based supercomputer strong and sophisticated enough to bypass conventional encryption techniques developed for classical computing. Whereas these strategies are practically uncrackable with existing or even prospective supercomputers, a quantum computer does not abide by the same rules given the nature of the beast, as well as the superposition, asserts readily accessible to its computing unit, the qubit. Considering that governments and labs are striving to develop crypto-busting quantum computers, the NSA stated it was developing “quantum-resistant public key” algorithms for private suppliers to the US government to employ, as ..
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