Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Quantum Hashing   We present a version of quantum hash function based on non-binary discrete
functions. The proposed quantum procedure is "classical-quantum", that is, it
takes a classical bit string as an input and produces a quantum state. The
resulting function has the property of a one-way function (pre-image
resistance), in addition it has the properties analogous to classical
cryptographic hash second pre-image resistance and collision resistance. This
function can be naturally used in a quantum digital signature protocol.

6
The categories of this paper are: astro-ph
11
The categories of this paper are: hep-lat
0
The categories of this paper are: hep-ph
5
The categories of this paper are: gr-qc
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The categories of this paper are: hep-th
18
The categories of this paper are: econ
10
The categories of this paper are: q-bio
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The categories of this paper are: nlin
12
The categories of this paper are: nucl-th
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The categories of this paper are: solv-int
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The categories of this paper are: funct-an
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The categories of this paper are: q-fin
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The categories of this paper are: eess
36
The categories of this paper are: cmp-lg
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The categories of this paper are: comp-gas
32
The categories of this paper are: atom-ph