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Looking at some claims that quantum computers won't work
Should you be investing time and effort in upgrading to post-quantum cryptography? You may have encountered the following arguments for minimizing the investment. The cost-is-high argument.
#pqcrypto #patents #ntru #lpr #ding #peikert #newhope 2020.12.06: Optimizing for the wrong metric, part 1: Microsoft Word: Review of "An Efficiency Comparison of Document Preparation Systems Used in Academic Research and Development" by Knauff and Nejasmic. Don Coppersmith, a prize-winning cryptanalyst whose many public contributions include an important early modification of Shor's algorithm, stopped publishing attacks more than twenty years ago—because he moved from IBM to IDA, an FFRDC controlled by NSA. Another analysis of quantum-computing-won't-work arguments is a recent talk by Scott Aaronson on "the main reasons why people regarded this as not entirely real": namely, "it sounded too good to be true", "the general thesis of technological stagnation", "eternally just over the horizon", "doubts about quantum mechanics itself", and "correlated noise that kills QC".
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