encipherment

/ɪnˈsaɪfərmənt/
noun
  1. The process of converting information into a secret code to prevent unauthorized access.
    • Modern encipherment uses complex algorithms to protect online transactions.
    • The encipherment of the message ensured that only the intended recipient could read it.
    • The spy taught the agent the basics of encipherment before the mission.
Antonyms