Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Semidirect Product Key Exchange: the State of Play   In this report we survey the various proposals of the key exchange protocol
known as semidirect product key exchange (SDPKE). We discuss the various
platforms proposed and give an overview of the main cryptanalytic ideas
relevant to each scheme.

27
The categories of this paper are: comp-gas
4
The categories of this paper are: cond-mat
11
The categories of this paper are: hep-lat
23
The categories of this paper are: solv-int
21
The categories of this paper are: adap-org
0
The categories of this paper are: hep-ph
12
The categories of this paper are: nucl-th
14
The categories of this paper are: math-ph
22
The categories of this paper are: chao-dyn
31
The categories of this paper are: ao-sci
5
The categories of this paper are: gr-qc
8
The categories of this paper are: hep-ex
33
The categories of this paper are: plasm-ph
32
The categories of this paper are: atom-ph
28
The categories of this paper are: alg-geom
18
The categories of this paper are: econ