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Use "cryptosystem" in a sentence
"My concern, however, is, especially in the articles on a specific kind of cryptosystem, the insistence that any particular encryption technology is completely insecure."
"An off-the-shelf public-key cryptosystem (e.g. RSA) would suit their purposes just fine."
"If the review is negative and gives a non-trivial reason of why the paper should not be published e.g., a clever break of a cryptosystem, a little-known fact that makes a study useless, etc., the review should be published instead of the paper."