Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: A remark on MAKE -- a Matrix Action Key Exchange   In a recent paper [arXiv:2009.00716], Rahman and Shpilrain proposed a new
key-exchange protocol MAKE based on external semidirect product of groups. The
purpose of this paper is to show that the key exchange protocol is insecure. We
were able to break their challenge problem in under a second.

13
The categories of this paper are: quant-ph
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The categories of this paper are: nucl-th
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The categories of this paper are: alg-geom
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The categories of this paper are: hep-th
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The categories of this paper are: hep-ph
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The categories of this paper are: q-bio
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The categories of this paper are: patt-sol
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The categories of this paper are: econ
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The categories of this paper are: hep-lat
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The categories of this paper are: eess
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The categories of this paper are: cond-mat
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The categories of this paper are: nucl-ex
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The categories of this paper are: chem-ph
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The categories of this paper are: cmp-lg
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The categories of this paper are: stat
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The categories of this paper are: nlin