cryptography

Etymology

crypto- + -graphy

noun

  1. The discipline concerned with communication security (eg, confidentiality of messages, integrity of messages, sender authentication, non-repudiation of messages, and many other related issues), regardless of the used medium such as pencil and paper or computers.
    We might abate...the strange cryptography of Gaffarell in his Starrie Booke of Heaven. 1658, Sir Thomas Browne (first use in English)

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