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cryptosystem

[krip-toh-sys-tuh m] /ˈkrɪp toʊˌsys təm/
noun
1.
a system for encoding and decoding secret messages.
Also, crypto system.
Origin
1965-1970
1965-70; crypto- + system
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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