[HN Gopher] The Complex Path to Quantum Resistance
       ___________________________________________________________________
        
       The Complex Path to Quantum Resistance
        
       Author : MindGods
       Score  : 11 points
       Date   : 2021-05-22 10:17 UTC (1 days ago)
        
 (HTM) web link (queue.acm.org)
 (TXT) w3m dump (queue.acm.org)
        
       | upofadown wrote:
       | >The current estimates of the number of qubits in a universal
       | quantum computer needed to break RSA 2048 (asymmetric
       | cryptography) and AES 256 (symmetric cryptography) are 4,098 and
       | 6,681, respectively.
       | 
       | The article had previously claimed that AES 256 was immune to
       | quantum attacks. Then the article lists the number of Q-bits
       | achieved by various companies. This is super misleading. The 4098
       | Q-bit requirement for RSA2048 is in _logical_ Q bits. The list of
       | achievements is in _physical_ Q-bits. Up to now, no one has been
       | able to achieve even a single logical Q-bit.
        
       ___________________________________________________________________
       (page generated 2021-05-23 23:02 UTC)